Essential Oils - Science topic

Direct link: https://www.mdpi.com/journal/antioxidants/special_issues/antioxidant_essential_oil_2 Dear Colleagues, Medicine that considers natural products, many of them plant-based, is gaining more and more ground. The “return” to nature, to the remedies known for thousands of years and used in traditional medicine worldwide, comes as support fo...

Peltate glandular trichomes (PGTs) in basil (Ocimum basilicum L.) are ideal for studying phenylpropanoid metabolism, as they allow for the elimination of the effects of primary plant metabolism. In this study, we aimed to investigate the effects of 0, 10%, and 25% doses of both solid and tea forms of vermicompost on phenylpropanoid metabolism in PG...

Background: Microorganism buildup is one of the most critical issues encountered with soft denture liner materials. The buildup of the fungus Candida albicans results in a disease known as denture-induced stomatitis. Therefore, creating a soft liner material with a medication delivery mechanism is required. This study aims to discover the best conc...

Background: Pycnocycla bashagardiana essential oil (EO) is extracted from fruits via hydrodistillation and analyzed through gas chromatography-mass spectrometry. Objectives: This study aimed to evaluate molecular docking and cytotoxicity by P. bashagardiana EO in colon cancer cell lines. Methods: The viability rates of P. bashagardiana fruit essent...

Green anis is a plant known since antiquity with its different therapeutic effects such as; antifungal, antimicrobial, antiviral, analgesic, antioxidant and hepatoprotective effects. However, mercury is a trace element metal that is very common in the environment and has adverse effects on human health. The liver is considered to be the seat of met...

Essential oils (EOs) have great potential in inhalation therapy for the treatment of respiratory infections. However, innovative methods for evaluation of antimicrobial activity of their vapors are still needed. The current study reports validation of the broth macrodilution volatilization method for assessment of the antibacterial properties of EO...

The chemical composition and antioxidant activities of the leaf essential oil of Rhamnus napalensis (Rhamnaceae) is reported in the paper for the first time. The GC-MS analysis indicated the presence of 49 constituents representing 93.68% of the total leaf oil. Sesquiterpene hydrocarbons (30.06%) constituted the principal class of compounds followe...

Te objective of the current study was to evaluate the altitudinal variability in chemical compounds, nematicidal, insecticidal, herbicidal, and antifungal activity of the essential oils of H. coronarium collected from four diferent habitats of Tarai and Kumaun region of Uttarakhand. Essential oils were hydro-distilled from rhizomes of H. coronarium...

Antimicrobial edible coatings can eliminate the risk of pathogen contamination on the surface of poultry products during storage. In this study, an edible coating (EC) based on wheat gluten, Pistacia vera L. tree resin (PVR), and the essential oil (EO) of PVR was applied on chicken breast fillets (CBF) by a dipping method to prevent the growth of S...

In this study the viability of the integrated exploitation of E. globulus leaf essential oil and triterpenic acids was evaluated through the development of a novel extraction process that can be implemented sequentially in a biorefinery context. Thus, essential oil (EO) collected by hydrodistillation was used for the first time as a bio-based solve...

Herein, comprehensive data of NMR, MS, IR, and gas chromatography (RI) obtained by GC-MS on commonly used capillary columns of different polarity (non-polar DB-5MS and polar HP-Innowax) of a series of esters of all constitutional isomers of hexanoic acid with a homologous series of ω-phenylalkan-1-ols (phenylmethanol, 2-phenylethanol, 3-phenylpropa...

The study aimed to evaluate the impact of C. schoenanthus essential oil (CSEO) on the immune system, antioxidant balance, and histological changes in the kidney and spleen of female BALB/C mice. The chemical composition of CSEO was analyzed using GC-MS. Twenty-nine compounds were identified, representing 99.04% of the total detected. The main compo...

Lemongrass Essential oil (Eos) is a plant extract with known antifungal properties potentially important for the bio-control of dry products in store. This study focuses on the capacity of lemongrass Eos to reduce the growth and mycelial biomass production, amylase and cellulase activities, and control of the aflatoxins production of Aspergillus sp...

This study is aimed to optimise the preparation factors, such as sonication time (5–20 min), cholesterol to lecetin ratio (CHLR) (0.2–0.8), and essential oil content (0.1–0.3 g/100 g) in solvent evaporation method for formulation of liposomal nanocarriers containing garlic essential oil (GEO) in order to find the highest encapsulation efficiency an...

The aim of this research was to evaluate the essential oil of Cymbopogon schoenanthus (L.) Spreng. (C. schoenanthus) from Burkina Faso in terms of cytotoxic activity against LNCaP cells, derived from prostate cancer, and HeLa cells, derived from cervical cancer. Antioxidant activities were evaluated in vitro. Essential oil (EO) was extracted by hyd...

Background The predominant mode of life of most of the bacteria is their biofilm state. Based on the type of bacteria existing within the biofilm, it might be beneficial or harmful. Its beneficial aspects have been exploited mostly in waste management strategies. These biofilms affected the food industry, dairy industry and oil industry, causing hu...

Essential oil has been extracted from two samples of orange peels (Valencia varity) obtained from two areas which are different in environmental factors. The chemical composition of essential oils has been identified by GC-MS; where α-Limonene, β-Linalool and β-Myrcene are the most compounds present in the two areas oil, and there is a slight diffe...

Introduction Drought stress unfavorably influences the growth and physiological traits of plants in the arid and semi-arid regions of the world. This study aimed to determine the effects of arbuscular mycorrhiza fungi (AMF; Funneliformis mosseae ) inoculation on the physiological and biochemical responses of summer savory ( Satureja hortensis L.) u...

Citation: Romo-Castillo, M.; Flores-Bautista, V.A.; Guzmán-Gutiérrez, S.L.; Reyes-Chilpa, R.; León-Santiago, M.; Luna-Pineda, V.M. Synergy of Plant Essential Oils in Antibiotic Therapy to Combat Klebsiella pneumoniae Infections. Abstract: Increased antibiotic resistance presents a health problem worldwide. The World Health Organization published a...

Salmonellosis is an infectious disease affecting both animals and humans. Antimicrobial resistant (AMR) and biofilm-producing Salmonella spp., frequently detected in reptiles (who can then act as asymptomatic carriers for warm-blooded animals), have developed resistance to biocides; this represents a warning for the emergence of biocide/antimicrobi...

Cannabis sativa leaf essential oil (CSEO) and fractions (CSF) were investigated for their fungicidal, bactericidal, antioxidant, and cytotoxic traits. The extraction of CSEO was performed at 110 °C, 120 °C, and 130 °C through a hydrodistillation technique. A maximum extraction yield (0.035%) was obtained at 110 °C. Caryophyllene, humulene, trans-α-...

Mentha longifolia is a valuable medicinal and aromatic plant that belongs to Lamiaceae family. This study looked at the antibacterial effects of M. longifolia essential oil and pulegone in edible coatings made of chitosan and alginate on the growth of Staphylococcus aureus, Listeria monocytogenes, and Escherichia coli in cheese. For this purpose, f...

The qualitative and quantitative component composition of low molecular weight volatile organic compounds (VOCs) of the essential oil of the floating-leaf pondweed (Potamogeton natans L., Potamogetonaceae family) growing in various lakes of the Karelian Isthmus (North-West of the Russian Federation) in the fruiting stage was investigated in detail...

The sage plant (Salvia officinalis L.) is one of the family labiatae. It's a perennial herb. It was found in its natural condition in Spain along the Mediterranean Coast. It was used in ancient Egypt for different purposes such as restoring old age and restoring energy. It is widely used as a treatment agent for many diseases. The most recent medic...

The effectiveness of oat starch (OS) and cinnamon essential oil (CEO) based edible coatings on fresh-cut broccoli's quality aspects and shelf life for 21 days at ± 5 °C were studied. Oat-based natural coatings were determined to preserve broccoli quality features and improve its shelf-life effectively. Compared to coated samples, untreated broccoli...

The most important part of any plant used for medicinal purposes is the part that contains the active constituents. The medicinally important component of the Salvia officinalis (sage plant) is its essential oil, which can be isolated from the flowering tops, leaves, and the whole over ground herb (Guenther., 1972; Pace and Piccaglia, 1995; Giannou...

Combating antimicrobial resistance (AMR) is among the 10 global health issues identified by the World Health Organization (WHO) in 2021. While AMR is a naturally occurring process, the inappropriate use of antibiotics in different settings and legislative gaps has led to its rapid progression. As a result, AMR has grown into a serious global menace...

Essential oil as a cosmetic product is believed to be one of the highest-demand commodities, especially when the back to nature is the current leading trend. However, the essential oil market itself faced an uncertain future. The uncertainty problem in this market can be seen from the fluctuating prices and difficulties in assessing the product. Th...

A The essential oil was extracted from the dried shoots of plant materials, twelve compounds were identified by Gas chromatography-mass spectrometry (GC-MS) analyses revealed that essential oil contains mainly germacrene B, β-caryophyllene, Limonene, α-pinene, Germacrene D, β-Elemene, α-Copaene, α-Cadinol, Terpinen, Isoborneol, Camphene and Linaloo...

Background: Fatigue is the most common symptom described by patients undergoing hemodialysis. Foot reflexology and then aromatherapy, among the types of complementary medicine, are the most frequently used intervention to control fatigue in patients undergoing hemodialysis. Objectives: The purpose of the present study is to compare the effect of ar...

Despite the usage of nanoparticles (NPs) is rapidly increasing, several experts have noted the risk of their release into ecosystems and their potential negative impacts on biological systems. However, the available studies on the neurobehavioral impacts of aluminum oxide nanoparticles (Al2O3NPs) on aquatic organisms are little. Hence, this study t...

Background The plants from Salvia genus contain widely distributed species which have been used in folk medicine as well as pharmaceutical and food industries. Methods The chemical composition of 12 native Iranian Salvia species (14 plants) was identified using gas chromatography-mass spectrometry (GC–MS). Also, the inhibitory activity of all esse...

Aromatic plants are a remarkable source of natural products. Aloysia citrodora Paláu (Verbenaceae), commonly known as lemon verbena, is a relevant source of essential oils with potential applications due to its lemony scent and bioactive properties. Studies carried out on this species have focused on the volatile composition of the essential oil ob...

The present study aimed to evaluate the changes in extra virgin olive oil (EVOO) after enrichment treatments with Thymus leptobotrys, a Moroccan endemic aromatic plant. The EVOO sample was supplemented with two materials obtained from the aerial parts of T. leptobotrys: powder (2.5 and 5%) or essential oil (100 and 200 ppm). The chemical compositio...

A recent study found that the natural scent from the rose-scented geranium Pelargonium graveolens 'Dr. Westerlund' had positive effects on stress reduction. Essential oils from many pelargonium species are known to have phytochemical properties and pharmacological activities. No study has, so far, explored and identified the chemical compounds and...

This research studies the impacts of iron oxide nanoparticles (FeONPs) on alleviating the toxic effects of cadmium (Cd), lead (Pb), and zinc (Zn) on summer savory (Satureja hortensis L.). Different types of soil additives, including bare and carboxymethylcellulose (CMC)-supported hematite (α-Fe2O3), goethite (α-FeOOH), and magnetite (Fe3O4), were a...

This research was aimed to make biolayer coatings enriched with orange peel essential oil (OPEO) on synthetic laminate, oriented poly(ethylene-terephthalate)/polypropylene (PET-O/PP). Coating materials were taken from biobased and renewable waste sources, and the developed formulation was targeted for food packaging. The developed materials were ch...

Citral oil holds a 41.5 % market share in the booming global essential oil industry (CAGR of 9.57%). Citral (3,7, dimethyl-2,6-Octadienal), is a chemical compound made up of the aldehydes citral A (Geranial) and citral B (Neral). Ocimum basilicum which can produce a short duration, quick bumper supply with minimal resources and fits in the crop cyc...

Background Myrtuscommunis L. leaves, due to their tonic and antiseptic properties, have been used as folk medicine in many communities to treat a variety of conditions such as inflammation, peptic ulcers, diarrhea, leucorrhoea, headaches, excessive perspiration, and skin diseases. In this study, we examined the chemical makeup and biological proper...

Melissa officinalis L., popularly known as lemon balm, is an aromatic plant widely used in medicine, cosmetics, and pharmaceutical industries for its essential oil rich in phenylpropanoids, terpenes, and phenolics. This study aimed to assess the effect of growth regulators on the development and physiological and biochemical metabolism of M. offici...

Essential oils in plants are produced in very low concentrations and elicitation stands out among the techniques used to increase their productivity. This work evaluated the potential elicitor of salicylic acid (SA) or seaweed extract (SE) on the biomass yield, physiological parameters and essential oil production in Varronia curassavica Jacq. plan...

Bu çalışmada Thymbra spicata subsp. spicata L. (Lamiaceae) uçucu yağının %1, 0.5, 0.25, 0.125 ve 0.0625 ml'lik konsantrasyonları Aphis gossypii Glover (Hemiptera: Aphididae)'nin ikinci dönem nimflerine uygulanmıştır. Denemeler 10 tekerrürlü ve her tekerrürde 10 birey olacak şekilde yürütülmüştür. Farklı konsantrasyonlarda hazırlanan uçucu yağlar pü...

In this study, thyme essential oil (essential oil to total lipid: 14.23, 20, 25, and 33.33%)-burdened nanoliposomes with/without maltodextrin solution were infused with natural hydrogels fabricated using equal volumes (1:1, v/v) of pea protein (30%) and gum Arabic (1.5%) solutions. The production process of the solutions infused with gels was verif...

Despite recent scientific advances, the global load of bacterial disease remains high and has been established against a backdrop of increasing antimicrobial resistance. Therefore, there is a pressing need for highly effective and natural antibacterial agents. In the present work, the antibiofilm effect provided by essential oils was evaluated. Of...

Brazil is one of the world's largest guava (Psidium guajava) producing countries, but the economic performance of this crop can be negatively affected by the damage caused by Ceratitis capitata (Diptera: Tephritidae). The main methods for controlling C. capitata are based on broad-spectrum insecticide applications. However, the negative effects of...

In this study, the physicochemical indexes, phytochemical screening by thin layer chromatography of essential oils (EOs) obtained from C. limon L. and C. sinensis peels and their antioxidant, antihemolyticand antibacterial activities were investigated. The highest yield (0.71%), density (0.918 ±0.05), refractive index (1.974±0.02), saponification v...

Tıbbi aromatik bitkiler binlerce yıldır ilaçların ana kaynağı ve sistematik geleneksel ilaçların temeli olarak kullanılmaktadır. Tıbbi aromatik bitkiler arasında çeşitli hastalıkların tedavisinde en yaygın kullanılan bitkilerden birisi Asteraceae familyasında bulunan Achillea sp. türleridir. Achillea türlerinin en bilinen bitkisi A. millefolium’dur...

Essential oils (EOs) and their constituents have been the focus of several researches because of their multiple biological activities. Among these activities are antioxidant and antimicrobial, which make EOs important material in many industries. Food industries now use EOs as food additives and also incorporate them in food packages to increase th...

The oxidation-resistant and multi-functional fish oil powders were produced by co-encapsulating fish oil with essential oils, lutein, and curcumin. The ovalbumin/alginate complex was used as the wall, and the wall-to-oil ratio was fixed at 1:1 based on yield, oil recovery, and internalization efficiency (IE). Surface oil was removed to better under...

Agriculture is the largest source of methane globally, and enteric methane accounts for 32% of methane emissions globally. Dairy–beef is an increasingly important contributor to the beef industry. The objective of this study was to investigate if supplementation with a blend of essential oils (Agolin Ruminant) reduced enteric methane emissions from...

To generate oregano essential oil, the leaves and flowering tops of the Origanum vulgare plant go through the process known as steam distillation. This essential oil is known for its antibacterial activity. Bacterial biofilms are microbial communities attached to inert surfaces or tissues and encapsulated in complex matrices. Planktonic bacteria re...

Fusarium wilt of bananas caused by Fusarium oxysporum f. sp. cubense Tropical Race 4 (Foc TR4) poses the most serious threat to banana production globally. The disease has been managed using chemical fungicides, yet the control levels are still unsatisfactory. This study investigated the antifungal activities of tea tree (Melaleuca alternifolia) es...

Lavender is among the medicinal and aromatic plants with high economic value in the food, pharmaceutical, cosmetic and aromatherapeutic industries, and in its composition has numerous compounds, such as tannins, anthocyanins, minerals, saponins, flavonoids, polyphenols, essential oil and others. The qualitative and quantitative characteristics of l...

India is a diverse country with many religions, and worship and offerings to deities play a significant role in people's daily lives. Floral offerings are commonly used in religious ceremonies and are a symbol of devotion and respect, therefore, temples generate a large amount and variety of flower waste. When not properly disposed of, temple waste...

The essential oils of three medicinally important Curcuma species (Curcuma alismatifolia, Curcuma aromatica and Curcuma xanthorrhiza) were extracted using conventional hydro-distillation (HD) and solvent free microwave extraction (SFME) methods. The volatile compounds from the rhizome essential oils were subsequently analysed by GC–MS. The isolatio...

Essential oils, including clove oil, has been used broadly through human civilization due to its multiple benefits, including its utilization as natural antiseptics. In spite of its benefits, clove oil can cause irritation if applied neat to the skin, thus a carrier oil is needed for topical application of clove oil. Clove oil together with virgin...

Objective The goal of this randomized, double-blinded, placebo-controlled study was to evaluate the effect of environmental enrichment (EE) on post-operative pain and anxiety in dogs following hemilaminectomy for acute intervertebral disc extrusion (IVDE). Methods Twenty healthy client-owned dogs undergoing a hemilaminectomy for IVDE with the same...

Various samples of the same essential oils commercialized in the same European country, could show significant differences regarding their bioactive constituents and in vitro antibacterial and antibiofilm effects. The present study investigates the antibacterial and antibiofilm activities of 2-4 samples of five commercially available essential oil...

Bellardia trixago (L.) All. (syn. Bartsia trixago L.) is a hemiparasitic plant that is mainly native to the Mediterranean area. Formerly, the genus was considered to be a part of the Scrophulariaceae family, but it is currently classified as belonging to the family Orobanchaceae. Bellardia species are used in traditional medicine by the local peopl...

Essential oils (EOs) obtained from Juniperus communis L. are frequently used in the production of bioproducts. However, there are no studies regarding industrial crops’ production, allowing for better control of the quality and production of juniper EOs. To select the plant material for developing future crops of this species in northern Spain, fou...

The chemical compositions of eleven wild species of aromatic and medicinal plants indigenous to Algeria, including Thymus, Mentha, Rosmarinus, Lavandula, and Eucalyptus, were analyzed. The identification of the chemical composition of each oil was conducted using GC-FID and GC-MS capillary gas chromatography. The study investigated the chemical var...

If food is contaminated with pathogens such as Listeria monocytogenes, improper cooking during sous-vide preparation can lead to foodborne illnesses. In this study, it was found that L. monocytogenes were inactivated with both heat and the essential oil of Salvia officinalis (sage EO) in beef tenderloin of the musculus psoas major that had undergon...

The study of the essential oil (EO) from aerial parts (stems and leaves) of Valeriana microphylla Kunth (Valerianaceae), collected from the Saraguro community in the southern region of Ecuador, was analyzed for the first time. A total of 62 compounds were identified in V. microphylla EO by GC-FID and GC-MS on nonpolar DB-5ms and polar HP-INNOWax co...

In this work, we investigated the chemical composition and gastroprotective potential of the essential oil from leaves of Myrcia loranthifolia collected in Atlantic Forest and Seasonally Dry Forest in Brazil (= Caatinga). The essential oil was extracted by hydrodistillation and characterized GC–MS. Gastroprotection was evaluated in an absolute etha...

The Agriculture Special Issue “Biopesticides: The Naturally Originating Plant Protection Products and Biocides”, edited in 2022 by the Special Guest Editor Dra [...]

The main focus of this research is to modify the straight pipe of the Citronella essential oil distillation condenser using a helical coil pipe to shorten the distillation time. This study aims to obtain an effective shell-side fluid volumetric rate to shorten the distillation time. The volumetric rate of the shell side fluid varies from 0.72 to 3....