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Cumin (Cuminum cyminum) as a potential source of antioxidants

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Abstract

Spices are the building blocks of flavor in food. Their primary functions are to provide aroma, texture and color to food. In addition they also act as preservative, and provide nutritional, and health benefits. Cumin (Cuminum cyminum) locally known as 'zeera' is a flowering plant in the family Apiaceae. It is commonly used as a condiment and flavoring in many eastern dishes. Cumin is known for its antioxidant properties. The most important chemical component of cumin fruits is essential oil content, ranging from 2.5% to 4.5% which is pale to colorless depending on age and regional variations. Studies of the chemical composition of cumin oil from different countries showed the presence of the following components: α-pinene (0.5%), Myrcene (0.3%), limonene (0.5%), 1-8-cineole (0.2%), p-menth-3-en-7-ol (0.7%), p-mentha-1, 3-dien-7-ol (5.6%), caryophyllene (0.8%), β-bisabolene (0.9%), β-pinene (13.0%), P-cymene (8.5%), β-phellandrene (0.3%), D-terpinene (29.5%), cuminic aldehyde (32.4%), cuminyl alcohol (2.8%), β-farnesene (1.1%) together with much smaller quantities of α-phellandrene, α-terpinene, cis and trans sabinene, Myrtenol, α-terpineol and phellandral. In addition to volatile oil cumin also contains nonvolatile chemical components including tannins, oleoresin, mucilage, gum, protein compounds and malates. The total phenolic content of methanolic extracts of different cumin varieties (cumin, black cumin and bitter cumin) ranged from 4.1 to 53.6 mg/g dry weight. In this comprehensive review focus will be on the antioxidant and flavoring compounds of cumin.
PAK. J. FOOD SCI., 22(2), 2012:101-107
ISSN: 2226-5899
Pakistan Journal of Food Sciences (2012), Volume 22, Issue 2, Page(s): 101-107 101
Cumin (Cuminum cyminum) as a potential source of antioxidants
Muhammad Nadeem, Asad Riaz *
National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
Corresponding Author: asadjannab@hotmail.com
Abstract
Spices are the building blocks of flavor in food. Their primary functions are to provide aroma, texture
and color to food. In addition they also act as preservative, and provide nutritional, and health benefits.
Cumin (Cuminum cyminum) locally known as ‘zeera’ is a flowering plant in the family Apiaceae. It is
commonly used as a condiment and flavoring in many eastern dishes. Cumin is known for its
antioxidant properties. The most important chemical component of cumin fruits is essential oil content,
ranging from 2.5% to 4.5% which is pale to colorless depending on age and regional variations. Studies
of the chemical composition of cumin oil from different countries showed the presence of the following
components: α-pinene (0.5%), Myrcene (0.3%), limonene (0.5%), 1-8-cineole (0.2%), p-menth-3-en-7-
ol (0.7%), p-mentha-1, 3-dien-7-ol (5.6%), caryophyllene (0.8%), β-bisabolene (0.9%), β-pinene
(13.0%), P-cymene (8.5%), β-phellandrene (0.3%), D-terpinene (29.5%), cuminic aldehyde (32.4%),
cuminyl alcohol (2.8%), β-farnesene (1.1%) together with much smaller quantities of α-phellandrene, α-
terpinene, cis and trans sabinene, Myrtenol, α-terpineol and phellandral. In addition to volatile oil cumin
also contains nonvolatile chemical components including tannins, oleoresin, mucilage, gum, protein
compounds and malates. The total phenolic content of methanolic extracts of different cumin varieties
(cumin, black cumin and bitter cumin) ranged from 4.1 to 53.6 mg/g dry weight. In this comprehensive
review focus will be on the antioxidant and flavoring compounds of cumin.
Keywords: Spices, cumin, Essential oils, antioxidants,
What are Spices?
Spices are non-leafy parts (e.g. bud, fruit, seed,
bark, rhizome and bulb) of plants used as a flavoring or
seasoning, although many can also be used as a herbal
medicine. The term ‘spice’ originated form the Latin
word ‘species’, meaning of specific kind. A closely
related term, ‘herb’, is used to distinguish plant parts
finding the same uses but derived from leafy or soft
flowering parts. The two terms may be used for the same
plants in which the fresh leaves are used as herbs, while
other dried parts are used as spices, e.g. coriander, dill.
Spices have many functions in food. Primarily they are
used for flavoring the food products but in addition they
are also used in preservation of food and provision of
nutritional and health benefits (Nazeeem, 1995).
Spices have a profound influence on the course
of human civilization. They permeate our lives from birth
to death. In everyday life, spices succor us, cure us, relax
us, and excite us. Ancient peoples such as the Egyptian,
the Arab and the Roman made extensive uses of spices,
not only to add flavor to foods and beverages, but as
medicines, disinfectants, incenses, stimulants and even as
aphrodisiac agents. In Europe, Middle East and Asia they
were used to preserve meat, bread and vegetables. No
wonder they were sought after in the same manner as
gold and precious metals. There are many forms in which
spices are available e.g. fresh, dried and frozen; whole,
ground, crushed, pureed, as pastes, extracts, or infusions
(Raghavan, 2007).
Spices are generally composed of fiber,
carbohydrate, fat, sugar, protein, gum, ash, volatile
(essential oils), and other nonvolatile components. All of
these components impart each spice’s particular flavor,
color, nutritional, health, or preservative effects. The
flavor components (volatile and nonvolatile) are
protected within a matrix of carbohydrate, protein, fiber,
and other cell components. When the spice is ground, cut,
or crushed, this cell matrix breaks down and releases the
volatile components (Raghavan, 2007).
Essential oils are the major flavoring
constituents of a spice. They are soluble in alcohol or
ether and are only slightly soluble in water. They provide
more potent aromatic effects than the ground spices.
Essential oils lose their aroma with age. Each essential oil
has many chemical components, but the characterizing
aroma generally constitutes anywhere from 60% to 80%
of the total oil. Essential oils are very concentrated, about
75 to 100 times more concentrated than the fresh spice.
They do not have the complete flavor profile of ground
spices, but they are used where a strong aromatic effect is
desired. Essential oils are used at a very low level of
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0.01% to 0.05% in the finished product. They can be
irritating to the skin, toxic to the nervous system if taken
internally (by themselves), and can cause allergic
reactions and even miscarriages (Raghavan, 2007).
The essential oils in spices are generally
composed of hydrocarbons (terpene derivatives) or
terpenes (e.g., α-terpinene, α-pinene, camphene,
limonene, phellandrene, myrcene, and sabinene),
oxygenated derivatives of hydrocarbons (e.g., linalool,
citronellol, geraniol, carveol, menthol, borneol, fenchone,
tumerone, and nerol), benzene compounds (alcohols,
acids, phenols, esters, and lactones) and nitrogen- or
sulfur-containing compounds (indole, hydrogen sulfide,
methyl propyl disulfide, and sinapine hydrogen sulfate).
Terpene compounds are the major chemical components
of most of the essential oils. Depending up on the
molecular size, monoterpenes, diterpenes, triterpenes, and
sesquiterpenes occur. Monoterpenes are the most volatile
of these terpenes and constitute the majority of the
terpenes in spices. Sesquiterpenes are most concentrated
in ginger family (Raghavan, 2007).
The nonvolatile and volatile flavor components
of spices, also referred to as oleoresins, are produced by
grinding or crushing the spices, extracting with a solvent,
and then removing the solvent. Oleoresins have the full
flavor, aroma, and pungency of fresh or dried spices
because they contain the high boiling volatiles and non-
volatiles, including resins and gums that are native to
spices. The nonvolatile components create the heat and or
pungency of black pepper, mustard, ginger, and chile
peppers. These components can be acid-amides, such as
capsaicin in red pepper or piperine in black pepper,
isothiocyanates in mustard, carbonyls such as gingerol in
ginger, and thioethers such as the diallyl sulfides in garlic
or onion (Raghavan, 2007).
The different pungent and or heat principles give
different sensations e.g. spicy, hot, sharp, biting, or
sulfury. The pungent sensation of onion or garlic is
sulfury, while that of Jamaican ginger is spicy. Red
pepper and white pepper do not contain much aroma
because they have very little essential oils, whereas
ginger, black pepper, and mustard contribute aromatic
sensations with their bites because of a higher content of
volatile oils. White pepper has a different bite sensation
than black pepper because of their differing proportions
of non-volatiles, piperine, and chavicine (Raghavan,
2007).
The taste of a spice such as sweet, spicy, sour, or
salty, is due to many different chemical components such
as esters, phenols, acids, alcohols, chlorides, alkaloids, or
sugars. Sweetness is due to esters and sugars; sourness to
organic acids (citric, malic, acetic, or lactic); saltiness to
cations, chlorides, and citrates; astringency to phenols
and tannins; bitterness to alkaloids (caffeine and
glycosides); and pungency to the acid-amides, carbonyls,
thio ethers, and isothiocyanates (Raghavan, 2007).
The ratio of volatiles to non-volatiles varies
among spices causing flavor similarities and differences
within a genus and even within a variety. Within the
genus Allium, for example, there are differences in flavor
among garlic, onions, chives, shallots, and leeks, which
differ in this ratio. They vary depending upon the species
of spice, its source, environmental growing and
harvesting conditions, and storage and preparation
methods. Even the distillation techniques can give rise to
varying components—through loss of high boiling
volatiles, with some components not being extracted or
with some undergoing changes. Non-volatiles in a spice
also vary with variety, origins, environmental growth
conditions, stage of maturity, and postharvest conditions.
For example, the different chile peppers belonging to the
Capsicum group, such as habaneros, cayennes, jalapenos,
or poblanos, all give distinct flavor perceptions,
depending on the proportion of the different nonvolatiles,
the capsaicinoids (Peter, 2001).
Spices can be used in foods as antioxidants.
They help fight the toxins created by our modern world.
Heat, radiation, UV light, tobacco smoke, and alcohol
initiate the formation and growth of the free radicals in
the human body. Free radicals damage the human cells
and limit their ability to fight off cancer, aging, and
memory loss. Many spices have components that act as
antioxidants and that protect cells from free radicals. The
chemical components responsible for antioxidant activity
in ginger are gingerol and shogoal (Raghavan, 2007).
Cumin (Cuminum cyminum)
Cumin (Cuminum cyminum) is a flowering plant
in the family Apiaceae, native from the east
Mediterranean to East India. In India cumin is known in
as ‘jeera’ or ‘jira’ and in Iran it is called ‘zira’.
Indonesians call it ‘jintan’ (or jinten) and in China it is
called ‘ziran’ but in Pakistan it is known as ‘zeera’.
Cumin is a herbaceous annual plant, with a slender
branched stem 20-30 cm tall. The leaves are 5-10 cm
long, pinnate or bipinnate, thread-like leaflets. The
flowers are small, white or pink, and borne in umbels.
The fruit is a lateral fusiform or ovoid achene 4-5 mm
long, containing a single seed. Cumin seeds are similar to
fennel and anise seeds in appearance, but are smaller and
darker in color. The English cumin was derived from the
French cumin, which was borrowed indirectly from
Arabic ‘Kammon’ via Spanish ‘comino’ during the Arab
rule in Spain in the 15th century. The spice is native to
Arabic-speaking Syria where cumin thrives in its hot and
arid lands. Cumin seeds have been found in some ancient
Syrian archeological sites. The word found its way from
Syria to neighboring Turkey and nearby Greece most
likely before it found its way to Spain. Like many other
Arabic words in the English language, cumin was
acquired by Western Europe via Spain rather than the
Grecian route. Some suggest that the word is derived
from the Latin ‘cuminum’ and Greek ‘kuivov’. The
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Greek term itself has been borrowed from Arabic. Forms
of this word are attested in several ancient Semitic
languages, including ‘kamunu’ in Akkadian. The ultimate
source is believed to be the Sumerian word ‘gamun’
(Zohary and Hopf, 2000). The use of cumin is very
common in Indian and Pakistani foods. It is used to
season many dishes, as it draws out their natural
sweetness. It is traditionally added to curries, enchiladas,
tacos, and other Middle-Eastern, Indian, Cuban and
Mexican-style foods. It can also be added to salsa to give
it extra flavor. Cumin has also been used on meat in
addition to other common seasonings. The spice is
extensively used in the cuisines of the Indian
subcontinent. Cumin was also used heavily in ancient
Roman cuisine (Peter, 2001; Raghavan, 2007).
The nutritional value of cumin seeds per 100 g
includes Energy 370 kcal (1570 kJ), Carbohydrates 44.24
g, Dietary Fiber 10.5 g, Fat 22.27 g, Protein 17.81 g,
Water 8.06 g, Thiamin (Vit. B1) 0.628 mg, Riboflavin
(Vit. B2) 0.327 mg, Niacin (Vit. B3) 4.579 mg, Vitamin
B6 0.435 mg, Vitamin C 7.7 mg, Vitamin E 3.33 mg,
Calcium 931 mg, Iron 66.36 mg, Magnesium 366 mg,
Phosphorus 499 mg, Potassium 1788 mg, Sodium 168
mg, Zinc 4.8 mg and other trace elements (U.S.D.A.,
2008).
Cumin has high total dietary fiber content and
the spent residue (after oils and nonvolatiles extraction)
has been also found to contain high dietary fiber. Results
show that the total dietary fiber content (TDF) of cumin
is 59.0%, insoluble dietary fiber (IDF) 48.5%, and
soluble dietary fiber (SDF) 10.5%, while the spent
residue from cumin has been found to contain 62.1%
TDF, 51.7% IDF and 10.4% SDF. The spent residue also
contains 7.7% starch and 5% bound fat (Sowbhagya et
al., 2007).
Cumin essential oil contents
The most important chemical component of
cumin fruits is essential oil content, ranging from 2.5% to
4.5% which is pale to colorless depending on age and
regional variations. The ripe seeds of cumin are used for
essential oil production, both as whole seeds or coarsely
ground seeds. If freely alcohol-soluble oil is required, the
whole seed must be used. Hydro distillation is used for
essential oil extraction, producing a colorless or pale-
yellow oily liquid with a strong dour. The yield for oil
production varies from 2.5 to 4.5%, depending on
whether the entire seed or the coarsely ground seed is
distilled. The volatile oil should be kept in well-sealed
bottles or aluminium containers (Peter, 2001).
Different studies have been conducted on the
yield of cumin essential oil. Sowbhagya et al. (2008)
evaluated the effect of size reduction and expansion on
yield and quality of cumin (Cuminum cyminum) seed oil.
For small batch size operations (200g), oil yield was
found to be the same (3.4%) for both ground and flaked
samples. However, in the operations of larger batch,
flakes resulted in significantly higher (3.3%) oil yield as
compared to ground samples (2.8%) indicating the
advantage of flaking over grinding. Aqueous portion of
the distillate in both cases had equal proportion of volatile
oil (0.2%). Flavor profiles of the volatile oils revealed
that retention of lower boiling terpene compounds and
character impact compound, cuminaldehyde were higher
in oil obtained from flakes as compared to powder.
Li et al. (2009) explored the extraction of
essential oil from Cuminum cyminum seeds using a
combination of organic solvent with low boiling point
and steam distillation. The effect of different parameters,
such as particle size, temperature and extraction time, on
the extraction yield was investigated. The temperature
had the largest effect on the yield of the extract
(oleoresin), followed by extraction time and particle size.
Essential oil of C. cyminum seeds obtained by
supercritical fluid extraction (SFE), hydrodistillation
(HD), combination technology of organic solvent with
low boiling point and steam distillation (OS-SD) were
further analysed by GC-MS detection to compare the
extraction methods. Forty-five compounds in the C.
cyminum essential oil were identified, showing that the
composition of the extraction by different methods was
mostly similar.
The essential oil is responsible for the
characteristic cumin odor. This odor and flavor is due
principally to the aldehydes present. Studies of the
chemical composition of cumin oil from different
countries showed the presence of the following
components: α-pinene (0.5%), Myrcene (0.3%), limonene
(0.5%), 1-8-cineole (0.2%), p-menth-3-en-7-ol (0.7%), p-
mentha-1, 3-dien-7-ol (5.6%), caryophyllene (0.8%), β-
bisabolene (0.9%), β-pinene (13.0%), P-cymene (8.5%),
β-phellandrene (0.3%), D-terpinene (29.5%), cuminic
aldehyde (32.4%), cuminyl alcohol (2.8%), β-farnesene
(1.1%) together with much smaller quantities of α-
phellandrene, α-terpinene, cis and trans sabinene,
Myrtenol, α-terpineol and phellandral (Peter, 2001).
Other studies show that cumin essential oil
mainly contains monoterpene aldehydes. The major
compounds include cumin aldehyde (p-isopropyl-
benzaldehyde, 25 to 35%), terpinene (29.5%), α- and β-
pinene (21%), ρ-cymene (8.5%), ρ-mentha-1,3-dien-7-al
(5.6%), cuminyl alcohol (2.8%) and β-farnesene (1.1%).
Furthermore perilla aldehyde, cumin alcohol, dipentene,
and β-phellandrene are also present in cumin. In toasted
cumin fruits, a large number of pyrazines have been
identified as flavour compounds. Besides pyrazines and
various alkyl derivatives (particularly, 2,5- and 2,6-
dimethyl pyrazine), 2-alkoxy-3-alkylpyrazines seem to be
the key compounds e.g. 2-ethoxy-3-isopropyl pyrazine, 2-
methoxy-3-sec-butyl pyrazine, 2-methoxy-3-methyl
pyrazine. A sulfur compound, 2-methylthio-3-isopropyl
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pyrazine is also found. Cumin also contains 10% fixed oil
(El-Hamidi and Ahmed, 1966; Raghavan, 2007).
In a study, the essential oil composition of
cumin seeds after subjecting them to heating by
microwaves and conventional roasting at different
temperatures was studied. The conditions were
standardized in both methods. The volatile oils distilled
from these samples were analysed by GC and GC–MS.
The results indicated that the microwave-heated samples
showed better retention of characteristic flavor
compounds, such as aldehydes, than did the
conventionally roasted samples (Behera et al., 2004).
Jalali-Heravi et al. (2007) used Gas
chromatography–mass spectrometry to characterize the
essential oil components of Iranian cumin. A total of 19
components were identified by direct similarity searches
for cumin oil. This number was extended to 49
components, with the help of chemometric techniques.
Major constituents in cumin are gamma-terpinene
(15.82%), 2-methyl-3-phenyl-propanal (32.27%) and
myrtenal (11.64%).
In addition to volatile oil cumin also contains
nonvolatile chemical components including tannins,
oleoresin, mucilage, gum, protein compounds and
malates. The oleoresins are obtained by subjecting the
ground cumin to different organic solvents such as n-
hexane, ethanol, methanol etc. The extract obtained is
then subjected to rotary evaporation to remove the
solvent (Peter, 2001).
Kanakdande et al. (2007) studied the
microencapsulations of cumin oleoresin by spray drying
using gum arabic, maltodextrin, and modified starch and
their ternary blends as wall materials for its encapsulation
efficiency and stability under storage. The microcapsules
were evaluated for the content and stability of volatiles,
and total cuminaldehyde, γ-terpinene and p-cymene
content for six weeks. Gum Arabic offered greater
protection than maltodextrin and modified starch, in
general, although the order of protection offered was
volatiles>cuminaldehyde> p-cymene> γ-terpinene. A
4/6:1/6:1/6 blend of gum arabic/ maltodextrin/ modified
starch offered a protection, better than gum arabic as seen
from the t1/2, i.e. time required for a constituent to reduce
to 50% of its initial value. However protective effect of
ternary blend was not similar for the all the constituents,
and followed an order of volatiles>p-cymene>
cuminaldehyde >γ-terpinene.
Antioxidative properties of cumin
Cumin has also been tested for its antioxidative
properties. The total phenolic content of methanolic
extracts of different cumin varieties (cumin, black cumin
and bitter cumin) ranged from 4.1 to 53.6 mg/g dry
weight. Cumin (Cuminum cyminum) methanol extract
was found to contain a total phenolic content of 9 mg/g
dry weight. It has been also shown that the methanolic
extracts of cumin show higher antioxidant activity
compared with that of the aqueous extract (Thippeswamy
and Naidu, 2005).
In another study the antioxidant activity and the
phenolic compounds of 26 spice extracts including cumin
was assessed. Antioxidant activity was expressed as
TEAC (mmol of trolox/ 100 g of dry weight). Cumin
showed a value of 6.61 mmol of trolox/ 100 g of dry
weight while the total phenolic content of cumin was
0.23g of gallic acid equivalent/ 100 g of dry weight (Shan
et al. 2005).
The antioxidant capacity of cumin (Cuminum
cyminum) has been tested on Fe2+ ascorbate induced rat
liver microsomal lipid peroxidation, soybean
lipoxygenase dependent lipid peroxidation and 1,1-
diphenyl-2-picrylhydrazyl (DPPH) radical scavenging
methods. The total phenolic content of methanolic extract
of cumin was 9 mg/ g dry weight. IC50 values of the
methanolic extract of cumin seeds were 1.72 ± 0.02, 0.52
± 0.01 and 0.16 ± 0.30 on the lipoxygenase dependent
lipid peroxidation system, the DPPH radical scavenging
system and the rat liver microsomal lipid peroxidation
system, respectively. The data also showed that cumin is
a potent antioxidant capable of scavenging hydroxy,
peroxy and DPPH free radicals and thus inhibits radical-
mediated lipid peroxidation (Thippeswamy and Naidu,
2005).
Damasius et al. (2007) assessed the antioxidant
properties of aqueous and ethanol extracts of cumin
(Cuminum cyminum L.). Antioxidant activity of cumin
ethanol and aqueous extracts was measured in DPPH and
ABTS radical scavenging reaction systems and depended
on extract concentration. The aqueous extract of cumin
showed higher DPPH radical scavenging activity while in
ABTS reaction system the ethanol extract exhibited
higher activity than the aqueous extract.
Lee (2005) studied the therapeutic properties of
cumin. He evaluated the inhibitory activity of Cuminum
cyminum seed-isolated component against lens aldose
reductase and R-glucosidase isolated from Sprague-
Dawley male rats and compared to that of 11
commercially available components derived from C.
cyminum seed oil, as well as quercitrin as an aldose
reductase inhibitor and acarbose as an R-glucosidase
inhibitor. The biologically active constituent of C.
cyminum seed oil was characterized as cuminaldehyde by
various spectral analyses. The IC50 value of
cuminaldehyde is 0.00085 mg/mL against aldose
reductase and 0.5 mg/mL against R-glucosidase,
respectively. Cuminaldehyde was about 1.8 and 1.6 times
less in inhibitory activity than acarbose and quercitin,
respectively. The author concluded that cuminaldehyde
may be useful as a lead compound and a new agent for
antidiabetic therapeutics.
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Pakistan Journal of Food Sciences (2012), Volume 22, Issue 2, Page(s): 101-107 105
Conclusion
The overall evaluation of this study concludes
that the cumin have a good antioxidant potential. The
essential oil of spices showed appreciable amounts of
antioxidant compounds having high antioxidant activity
and its nonvolatile extracts also have good inhibition
properties against the free radicals. Methanol extracts
were found to have better antioxidant action than the n-
hexane extracts. There is also a good correlation between
the total phenolic content and antioxidant activities of the
nonvolatile extracts. So this study concludes that cumin
have good antioxidant potential and this spices can be
used to produce novel natural antioxidants as well as
flavoring agents that can be used in various food
products.
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... at the same temperature. Nadeem and Riaz (2012) revealed that cumin contains a reasonable quantity of dietary fiber both in the raw form and after oil removal (spent). Earlier research has indicated that cumin has a total dietary fiber (TDF) content of 59. 0%, with 48.5% of insoluble dietary fiber (IDF) and 10.5% of soluble dietary fiber (SDF). ...
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Cumin (Cuminum cyminum L.), a commercially and pharmaceutically important spice crop, belongs to the Apiaceae family. It is predominantly cultivated in Asian countries, including India, Pakistan, Morocco, Iran, Greece, Syria, and Turkey. Cumin seeds are utilized in the preparation of food recipes and nonalcoholic drinks and as ingredients of traditional medicine and fragrance material. Mature ripened seeds of cumin have essential oil with several antioxidants and bioactive compounds. Despite its high importance as a key seed spice, cumin production and adaptation suffer from various inherent problems. Poor germination and weaker establishment of seedlings are the foremost problems faced in cumin cultivation. Moreover, genetic variability in existing germplasm collections is very limited which adversely impacts cumin breeding. Resistance against climatic stresses and plant pathogens causing Alternaria blight and Fusarium wilt diseases is not available in existing cumin accessions, and it poses a serious concern among the breeders. Small and slender flowers restrict the opportunities for artificial pollination; consequently, hybrid breeding in cumin is inadequate. Therefore, most of the cultivated cumin varieties existing at present are made through selection-based conventional breeding practices. Some efforts have been made to discover high-value bioactive molecules in cumin and authenticate their pharmacological properties. Limited genomic resources have been developed in cumin species that restrict the use of cutting-edge genomic tools to enhance the pace of conventional breeding programs. In this chapter, we highlight the attempts made to research cumin, focusing on a variety of topics, including seed biochemical components, mutation breeding, divergence analysis, plant regeneration, and molecular and omics studies.
... It is rich in phytonutrients, garlic, elevate metabolism and improve organ function (Amagase et al., 2001;Alam et al., 2018). Cumin has antioxidants properties (Nadeem & Riaz, 2012), Masala Tikki ingredients combat skin issues and inflammation. With carminative properties, Shallots, being a source of a variety of micronutrients, primarily offer small but useful amounts of vitamin B6 as the major core nutrient (Hedges et al., 2007). ...
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The research was conducted to prepare the Masala tikki and reduce the moisture content for enhancing the shelflife. The Kashmiri masala tikki or Werr act as flavoring agents, coloring agents. It is thick spice paste which is mixture of shallot, ginger, and different spices with edible oil. The aim was to standardize & optimize the process parameters of Masala Tikki using drying technology for extending the shell life. There are three independent variables garlic shallot ratio, drying temperature, and masala tikki thickness with three different variables which vary from 15:10 to 15:30, 40 to 60ºC and 0.5 to 1.5 cm respectively. Box Bhenken design-Response surface methodology was used for optimization of process parameters. The composition of garlic-shallot 22:16, drying temperature 60°C and 0.7 cm thickness of masala tikki are the optimized independent parameters and the response values were 39.529% db for final moisture content, 299.99 minutes for drying time, 3.816 for color change, overall acceptability of 7.4 and the optimized shelf life was 46 days. It is used for preparations of different Kashmiri cuisine such as Rajma, Chole, Shahi Paneer, Dham Aloo, Kadhai Chicken, Tandoori Chicken, wazwan.
... In traditional medicine, caraway has long been used for the treatment of toothache, jaundice, hypertension, and respiratory disorders [2]. Further health benefits of caraway have also been revealed in recent studies [3,4]. ...
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In this study, the hot-air drying of caraway seeds was enhanced using two nonthermal physical field technologies: cold plasma (CP) and ultrasonic waves (US). Air drying temperatures of 35, 45, and 55 °C with CP pretreatment exposure times (CPt) of 25 and 50 s were used. When convective drying was accompanied by US, power levels (USp) of 60, 120, and 180 W were applied. Experimentally, the most effective contribution was found by using both CP pretreatment (25 s) and US (180 W), in which the maximum decreases of 31% and 39% were estimated for the drying period and specific energy consumption, respectively. The total color change, the rupture force, TPC, TFC, and antioxidant capacity were also estimated for evaluating the quality of dried products. In a CP-US-assisted drying program (25 s, 180 W), the minimum change in color and the rupture force were found to be 6.40 N and 20.21 N, respectively. Compared to the pure air drying, the combined application of CP and US resulted in a mean increase of 53.2, 43.6, and 24.01% in TPC, TFC, and antioxidant capacity of extracts at the temperature of 35 °C. Based on the response surface methodology (RSM) approach and obtained experimental data, accurate mathematical predictive models were developed for finding the optimal drying condition. The optimization process revealed that 39 °C, 180 W, and 23 s resulted in a desirability of 0.78 for drying caraway seeds.
... Pharmacological studies have proven that C. cyminum exerts antimicrobial, insecticidal, anti-inflammatory, analgesic, antioxidant, anticancer, antidiabetic, antiplatelet aggregation, hypotensive, bronchodilatory, immunological, contraceptive, anti-amyloidogenic, anti-osteoporotic, aldose reductase, α-glucosidase and tyrosinase inhibitory effects 23 . The medicinal parts were Cumin oil extracted from the ripe fruit and the ripe, dried fruit 25 . Phytochemical analysis of C. cyminum revealed that it contains alkaloid, coumarin, anthraquinone, flavonoid, glycoside, protein, resin, saponin, tannin and steroid 23 . ...
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Seeds of cumin (Cuminum cyminum L.) are widely used as a spice for their distinctive aroma. C.cyminum have been used in traditional medicine to treat a variety of diseases. Literature presents ample evidence for biomedical activities of cumin which is attributed to its bioactive secondary metabolites - terpenes, phenols, and flavonoids. Besides, health effects of cumin seeds have been experimentally validated through phytochemical analysis depicting the presence of a wide array of bioactive secondary metabolites (BASMs) viz., alkaloid, coumarin, anthraquinone, flavonoid, glycoside, protein, resin, saponin, tannin and steroid. Pharmacological studies indicate that BASMs in seeds of C. cyminum exert antimicrobial, insecticidal, anti-inflammatory, analgesic, antioxidant, anticancer, antidiabetic, anti-platelet-aggregation, hypotensive, bronchodilatory, immunological, contraceptive, anti-amyloidogenic, anti-osteoporotic, aldose reductase, α-glucosidase and tyrosinase inhibitory effects. In the present study phytochemical screening, GCMS, FTIR profile of bioactive natural products from C. cyminum has been envisaged. Phytochemical screening revealed the presence of alkaloids, anthraquinones, carbohydrates, coumarins, flavonoids, glycosides, proteins, quinones, saponins, steroids, tannins and terpenoids. GC-MS analysis revealed the presence of 21 compounds, of which Cuminaldehyde was prominent. FTIR analysis showed the presence of a strong peak value for 15 compounds and medium peak value for 6 compounds. Many of the compounds in the list could be ADMET bioprospected for biomedical applications as natural drug leads. Keywords: Cuminum cyminum; Cuminaldehyde; Bioactive Natural Products; GCMS; FTIR
... It is generally used as a food additive, popular spice, and flavouring agent in many cuisines. Cumin has also been widely used in traditional medicine to treat a variety of diseases [21][22][23][24][25][26][27] . Pharmacological studies have proven that C. cyminum exerts antimicrobial, insecticidal, anti-inflammatory, analgesic, antioxidant, anticancer, antidiabetic, antiplatelet aggregation, hypotensive, bronchodilatory, immunological, contraceptive, antiamyloidogenic, anti-osteoporotic, aldose reductase, αglucosidase and tyrosinase inhibitory effects 28,29 . ...
... Furthermore, cumin has garnered acknowledgment in contemporary studies due to its possible anti-inflammatory, antibacterial, and antioxidant characteristics, rendering it a topic of interest for further scientific investigation. Although cumin has therapeutic properties, it is prone to adulteration, which involves compromising the purity and quality of the plant [4]. Adulteration entails the act of combining cumin with substandard or cheaper materials, such as powdered rice or alternative seeds, in order to augment quantity and minimize manufacturing expenses. ...
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Background: This research paper showcases the creation and assessment of a machine learning model utilizing the Efficient Net B4 architecture for the identification of cumin herbs and any potential adulterants. The research presents a comprehensive overview of the model's structure, emphasizing the different layers, their output dimensions, and the number of parameters. Methods: The trained model consists of a grand total of 17,684,581 parameters, out of which 10,758 have been found eligible for training. The model has been found to exhibit exceptional performance on the training dataset, with an accuracy of 98.73%, a recall score of 0.95, and an F1 score of 0.93. This demonstrates its usefulness in accurately identifying cumin herbs. A confusion matrix has also been developed, which has showcased the model's remarkable proficiency in accurately detecting cumin herbs. Although there have been few occurrences of misclassification, the model has consistently shown exceptional accuracy by accurately identifying the majority of cases in both the "cumin" and "not cumin" categories. Results: Upon comparing our model's performance to prior research, it has been found notable for its high accuracy and the potential to be applied more broadly in the field of herbal identification. This work offers an innovative way for recognizing cumin plants using machine learning, despite the little research existing in this area. It also establishes a basis for future research on identifying other important herbal items. Conclusion: In conclusion, the machine learning model based on EfficientNet B4 has been found to exhibit exceptional accuracy and show potential for practical use in identifying cumin herbs. This study can significantly contribute to improving the authentication and quality assurance processes in the herbal product business, paving the way for future advancements in this field.
... 20 Moreover, organic acids such as propionic, oxalic, aspartic, tartaric, and maleic acids can be detected in the extracts of CCS. These phytochemicals have majorly correlated with their biological potentials, antioxidants, 21 hypoglycemic, 22 anti-inflammatory. 23 A short study on the woundhealing effect of CCS showed the significant potential of these plants in accelerating the healing process of incision, excision, and granuloma wounds. ...
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Wound healing is a complex, intricate, and dynamic process that requires effective therapeutic management. The current study evaluates the wound healing potentials of methanolic extract of Cuminum cyminum L. seeds (CCS) in rats. Sprague Dawley (24) rats were distributed into four cages, wounds produced on the back of the neck, and received two daily topical treatments for 14 days: A, rats received normal saline; B, wounded rats treated with intrasite gel; C and D, rats received 0.2 mL of 250 and 500 mg/kg of CCS, respectively. After that, wound area and closure percentage were evaluated, and wound tissues were dissected for histopathological, immunohistochemical, and biochemical examinations. Acute toxicity trials of methanolic extract of CCS showed the absence of any physiological changes or mortality in rats. CCS application caused a significant reduction in wound size and a statistically elevated percentage of wound contraction than those of vehicle rats. CCS treatment caused significant up‐regulation of collagen fiber, fibroblasts, and fewer inflammatory cells (inflammation) in granulation tissues. TGF‐β1 (angiogenetic factor) was significantly more expressed in CCS‐treated rats in comparison to normal saline‐treated rats; therefore, more fibroblasts transformed into myofibroblasts (angiogenesis). CCS‐treated rats showed remarkable antioxidant potentials (higher SOD and CAT enzymes) and decreased MDA (lipid peroxidation) levels in their wound tissue homogenates. Hydroxyproline amino acid (collagen) was significantly up‐regulated by CCS treatment, which is commonly related to faster wound closure area. The outcomes suggest CCS as a viable new source of pharmaceuticals for wound treatment.
... Its use also mentioned in the Roman cuisines in ancient times. The food sector is Nadeem and Riaz, 2012Esmaeili, 2015Sowbhagya, 2013Abbdellaoui et al. 2019 particularly interested in the antioxidant activity of extract from a number of oil-bearing plants. Cumin utilized to manipulate secondary agriculture technologies to switch out synthetic preservatives with natural ones due to their future application in natural additives. ...
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Cumin is the major seed spice crop of India mainly grown in Rajasthan and Gujarat states. This is a low volume high value crop with very rich medicinal properties. Cumin is rarely exploited crop for advanced scientific research and for its medicinal potential. Antioxidant potential of cumin powder with low temperature grinding and machine grinding has been compared in this study. It is analyzed that cumin powder grinded in liquid nitrogen (low temperature) is having high flavonoid content (0.032 mg/g), high phenolic content (1.02 mg/g), more antioxidant potential (1.12 mg/g), higher of DPPH (97.07%), reduction in the reducing power (0.091), as compared to the machine grinded powder. Results indicated that the low temperature grinding is better technology to maintain the antioxidant potential of the cumin seeds in powder form.
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Alkaloids are considered major secondary plant metabolites and are found mostly in plants. Some alkaloids are used as a spice in foodstuffs such as fenugreek, black pepper, and long pepper. These spices have large quantities of alkaloidal compounds. Trigonelline is a major alkaloidal compound present in fenugreek seeds, and piperine is present in peppers. Black pepper has a long history of usage in traditional medicines all throughout the world as well as food and condiments (Kaltner et al., 2020). In the Piperaceae, or pepper family, there are about 2,000 species in the Piper genus (Durant-Archibold et al., 2018). Only a few spices from the genus Piper include alkaloids, the biggest class of nitrogenous natural chemical substances. The two species that are most well-known are Piper longum and Piper nigrum, also known as pippali and black pepper, respectively. This genus contains piperidine-type alkaloids (Martha Perez Gutierrez et al., 2013). Numerous traditional medical systems, including traditional Chinese medicine, the Indian Ayurvedic system, and folkloric medicines of Latin America and the West Indies, have used plants from the genus Piper as a cure (Zaveri et al., 2010). Another alkaloid-containing species we have included in this chapter is a short-living and annual medicinal herb Trigonella foenum-graecum belonging to the Fabaceae family. Its major alkaloids are Trigonelline and 4-hydroxy-isoleucine (Nagulapalli Venkata et al., 2017). This chapter provides an overview of food spices containing alkaloids as major chemical compounds. The major focus is on the sources, traditional uses, and phyto-pharmacological properties of food spices containing alkaloids.
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A new series of pungent compounds, the 1-(4'-hydroxy-3'-methoxyphenyl). alkan-3-ones, has been isolated from grains of paradise (Amomum melegueta Roscoe) and detected in ginger (Zingiber officinale Roscoe). The name, paradol, which has been previously applied to a mixture of these compounds and the gingerols, is suggested as a group name prefixed with a number corresponding to that given to the gingerol with the same side-chain length to distinguish individual members. The structure of [6]-paradol, as suggested by spectroscopic techniques, was confirmed by synthesis from [6]-gingerol. It occurred in grains of paradise in quantities up to 1.5% and was accompanied by (+)-[6]- gingerol in almost equal amounts. Trace quantities of [8]-gingerol, [a]-paradol, and [6]-shogaol were also present.
Article
Antioxidant and antimicrobial properties of caraway (Carum carvi L.) and cumin (Cuminum cyminum L.) extracts were assessed. Antioxidant activity of caraway and cumin ethanol and aqueous extracts was measured in DPPH center dot and ABTS center dot+ radical scavenging reaction systems and depended on extract concentration. Radical scavenging capacity in DPPH center dot reaction system was in the following order: caraway aqueous > caraway ethanol > cumin aqueous center dot cumin ethanol, while in ABTS center dot+ reaction system in the following order: caraway ethanol>cumin aqueous>caraway aqueous > cumin ethanol. Antibacterial activities of caraway and cumin ethanol extracts were determined by a micro dilution both method using microtiter plates and measuring optical density. A microtiter plate assay was performed with Lactobacillus (Lb.) paracasei INF 448, Lb. plantarum INF15D, Lb. casei ATCC 393, Lactococcus (Lc) cremoris P2, Lc. lactis L2. Some of the selected strains were stronger inhibited by the ethanol extracts: minimal inhibitory concentration was in the range of 44.8-11.6 mg ml(-1), while caraway and cumin ethanol extracts did not inhibit Lb. paracasei and Lb. plantarum growth.
Article
Forty-eight different ginger oils from nine countries spanning four continents have been investigated by dual capillary gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS). All oils were found to contain the same five major sesquiterpene hydrocarbons. Two of them were isolated in one step from an Indian oil by an efficient reversed phase high performance liquid chromatographic (RP-HPLC) separation. The other three were isolated by a combination of RP-HPLC and preparative capillary GC. They were identified by UV, MS, 1H NMR and 13C NMR as α-zingiberene (1), β-bisabolene (2), (E,E)-α-farnesene (3), β-sesquiphellandrene (4) and ar-curcumene (5). The reported absence of some of these compounds in earlier studies could in many cases be explained by unsatisfactory separations, misidentifications and confusion in the nomenclature.
Article
Extraction of essential oil from Cuminum cyminum seeds using a combination of organic solvent with low boiling point and steam distillation was explored. The effect of different parameters, such as particle size (40, 60, 80mesh), temperature (°C) 10, 15, 20 and extraction time (3, 5, 8h), on the extraction yield was investigated using three-level orthogonal array design. The experimental results showed that the temperature had the largest effect on the yield of the extract (oleoresin), followed by extraction time and particle size. The optimum parameters, such as temperature, particle size, and extraction time were in turn 20°C, 80mesh, and 8h. Essential oil of C. cyminum seeds obtained by supercritical fluid extraction (SFE), hydrodistillation (HD), combination technology of organic solvent with low boiling point and steam distillation (OS-SD) were further analysed by gas chromatographic/mass spectrometric detection to compare the extraction methods. Forty-five compounds in the C. cyminum essential oil were identified, showing that the composition of the extraction by different methods was mostly similar, whereas relative concentration of the identified compounds was apparently different. General characteristics of the C. cyminum essential oil obtained by different methods were further compared, and OS-SD was considered as the optimum process among the three processes to obtain C. cyminum essential oil for high quality, simple technology and low cost.