Seid Mahdi Jafari's research while affiliated with University of Vigo and other places

Publications (482)

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Pumps and pumping are among the most widely used scientific categories in various industries. Among pumps, centrifugal pumps are widely utilized. From sensitive industrial applications such as boiler feedwater pumps or water cooling pumps of a nuclear power plant to simpler applications such as drinking water booster pumps in a residential complex,...
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Vitamin B12 (VB12) is one of the essential vitamins for the body, which is sensitive to light, heat, oxidizing agents, and acidic and alkaline substances. Therefore, the encapsulation of VB12 can be one of the ways to protect it against processing and environmental conditions in food. In this work, the influence of pectin concentration (0.5–1% w/v)...
Article
In this study, the effect of drying methods (hot-air and infrared (IR)) and precooking process on spinach-enriched lasagna pasta was investigated. Combination of precooking and IR drying process ended in a lasagna pasta with a shorter optimal cooking time (about 10.60 times) and higher water absorption (about 1.34 times) compared with samples produ...
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Environmentally intense and negative consequences relating to conventional meat production systems have induced some actors to suggest alternative meat sources. Diseases carried by animals, human perception of cruelty to animals, and public health concerns about cardiovascular diseases have provided the basis for the development of cultured meat. T...
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Vats, vessels, and tanks are used in various industries for the storage, transport, and processing of liquids. In this chapter, after an introduction to food industry storage equipment mainly being vats, vessels, and tanks, the different types and applications of these equipment for various types of liquids in the food industry are discussed. These...
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Alginate-based nanocarriers are propitious vehicles used for the delivery of bioactive compounds (bioactives). In this area, calcium alginate and sodium alginate are the most promising wall materials because they are nontoxic, comparatively cheap, simple in production, biocompatible and biodegradable. In this review, we have highlighted different a...
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Advances in animal husbandry and better performance of livestock results in growing demands for feed and its nutrients, bioactive compounds (bioactives), such as vitamins, minerals, proteins, and phenolics, along with drugs/vaccines. To protect the feed bioactives in unintended circumstances, they can be encapsulated to achieve desired efficacy in...
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Background Probiotic yeasts (PYs) as promising cell factories and nutraceutical carriers have several pivotal potentials including health-promoting and bio-therapeutic effects (prevention and treatment of gastrointestinal infections, type II diabetes and several cancers, adjusting intestinal microbiota, supporting healthy mucosal and immune system...
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Material handling is the art and science involving the moving, packaging, and storing of substances in any form. It is a mandatory operation in any food plant and includes all movements in a food factory from the form of raw material during processing until converting to the finished products and storage. The selection of material handling equipmen...
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Trucks are known as industrial transporting vehicles providing a flexible approach for distributing various materials throughout plants. The proper selection of such vehicles helps to minimize the moves throughout the processing plants while performing efficient transportation that helps to keep the quality of food products. Trucks are categorized...
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This study examined the type and amount of the synthetic antioxidants (SAs) edible oils distributed in the chain stores. Also, the oxidative stability indices including oxidative stability index at 110 °C (OSI110), peroxide value (PV), P‐anisidine value (PAV) and TOTOX value were monitored. Tertiary butyl hydroquinone (TBHQ) was the only antioxidan...
Book
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Transporting Operations of Food Materials within Food Factories, a volume in the Unit Operations and Processing Equipment in the Food Industry series, explains the processing operations and equipment necessary for storage and transportation of food materials within food production factories. Divided into four sections, Receiving and storage facilit...
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Essential oils (EOs) have many beneficial qualities, including antimicrobial, antioxidant, antiviral, and antifungal activities, along with good aroma, which have played a significant role in pharmaceutical, textile, and food industries. However, their high volatility and sensibility to external factors, as well as susceptibility to deterioration c...
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Beta-carotene (BC) as an efficient pro-vitamin is effective in improving vision, immune system and cognitive function as well as preventing coronary diseases and cancer. However, besides its poor chemical stability, the high lipophilic nature of BC reduces its dispersibility and consequently bioavailability which limits its application into food, p...
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This study aimed to produce fenugreek protein hydrolysates by alcalase, pancreatin, pepsin and trypsin at hydrolysis time of 30–180 min and loading the hydrolysates in nanoliposomes to improve the bioavailability. Instability and untargeted delivery of fenugreek protein hydrolysates limit the use of their health beneficial properties. Loading prote...
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Background The demand for value-added and/or functional food products has skyrocketed in recent years. Fruits and fruit products are of the best sources of bioactive compounds, which provide a variety of health advantages. Spray drying encapsulation is a common and cost-effective method for protecting a variety of bioactive compounds against degrad...
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Omega-3 fatty acids play a role in achieving optimal health and in protection against diseases. Although instability and oxidation of its essential fatty acids has limited its use in food products. Among the strategies used to prevent these challenges, the encapsulation technique has been the most successful method. Therefore, in this study, β-cycl...
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This study aimed to produce fenugreek protein hydrolysates by alcalase, pancreatin, pepsin and trypsin at hydrolysis time of 30–180 min and loading the hydrolysates in nanoliposomes to improve the bioavailability. Instability and untargeted delivery of fenugreek protein hydrolysates limit the use of their health beneficial properties. Loading prote...
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In this study, oil-in-water Pickering emulsions (PEs) were prepared by modified silica nanoparticles (MSNs) with cetyltrimethylammonium bromide (CTAB) using the Taguchi approach. The surface modification of SiO2 nanoparticles (NPs) was performed in different conditions, temperatures, pH levels, and amounts of CTAB as a coating agent, followed by an...
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Practical application of carvacrol in different fields including foods and biopesticides is limited because of its instability and water insolubility. To overcome these problems, carvacrol can be loaded into nanoemulsions. In this study, carvacrol-loaded nanoemulsions (CNs) were formulated and characterized, and the most suitable emulsifier was sel...
Article
Complex coacervation is a common technique that enables the encapsulation of nutraceuticals/bioactive compounds and the modification of biopolymeric properties. Here, the complex coacervation occurred between cress seed mucilage (CSM) and β-Lactoglobulin (Blg) and the results were systematically evaluated under the influence of polymer concentratio...
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Release modeling is an important issue in designing controlled release systems for food bioactive compounds and nutra-ceuticals in order to elucidate the underlying mechanisms. Adequate knowledge about such mechanisms leads to designing optimal controlled delivery vehicles. The conventional modeling approaches such as mathematical and mechanistic m...
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Recent advances in emerging nanocarriers and stimuli-responsive (SR) delivery systems have brought about a revolution in the food and pharmaceutical industries. SR carriers are able to release the encapsulated bioactive compounds (bioactives) upon an external trigger. The potential of releasing the loaded bioactives in site-specific is of great imp...
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The rapid progress in modern technologies and paying more attention to food safety has prompted new green technologies superior than chemical methods in the food industry. In this regard, enzymes can decrease the usage of chemical reactions but they are sensitive to environmental effects (pH and temperature). In addition, enzymes are scarcely possi...
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Pathogens are one of the supreme threats for the public health around the world in food supply chain. The on-site monitoring is an emerging trend for screening pathogens during the food processing and preserving. Traditional analytical tools have been unable to satisfy the current demands. Smartphones have enormous potentials for achieving on-site...
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The present study aimed to fabricate Aloe vera (AV) mucillage/gelatin (GE) complexes as a carrier for cinnamon essential oil (CEO). Encapsulation efficiency and retention of CEO were used as parameters of choosing the best sample (1 GE:2AV and 30% CEO). Instrumental analysis of CEO-loaded AV/GE carriers revealed that CEO was well encapsulated withi...
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Ferulic acid (FA) is a natural antioxidant with antimicrobial activity and its application is restricted due to poor water solubility. To overcome this limitation, FA was entrapped into cyclodextrin nanosponges (CD-NSs). The antibacterial activity of FA was assessed using the microdilution method which showed a higher antibacterial activity after e...
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The aim of this study was the preparation of silver nanoparticles (AgNPs) using saffron tepal extract (STE), one of the most abundant by-products of the saffron industry, and evaluation of their antimicrobial activity and efficiency in the removal of foodborne pathogenic biofilms. Synthesized AgNPs were characterized by field emission scanning elec...
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Drying is one of the foremost and important steps during the processing of agricultural crops, medicinal plants and herbs to preserve their properties. The present review provides a detailed overview regarding the effect of drying techniques on the physio-chemical properties (microstructure, color, aroma composition) and bioactive compounds (phenol...
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This research aimed to develop a healthy cookie formulation containing different types of resistant starch, through the application of TOPSIS approach, as a potent feature of MCDM methodologies. Physicochemical investigations reveled that a harder, denser and less sticky dough was produced by the addition of both types of RS. The baking of these do...
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Plant-based proteins as a substitute for traditional animal proteins have attracted the interest of the global food industry in the last decade due to their sustainability, environmental and beneficial health claims. Accordingly, pea proteins (PPs) have been evaluated widely because they are cheap and hypoallergenic and have comparable functional a...
Article
In recent decades, due to the increase in awareness, most consumers prefer foods that not only satisfy their primal urge of hunger but also include health-promoting effects on the body. Therefore, the food industry has an increasing tendency to apply the nutrients (like vitamins, essential fatty acids and minerals) and replace synthetic additives w...
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Olive by-products are rich sources of phenolic compounds and their valorization is a favorable approach in line with sustainable development goals of the United Nations (UN) organization to promote well-being and production of healthier products; also, to deal with the environmental and economic subjects resulting in more profitability in the olive...
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The alteration in human micro-flora results in an increase in the population of the pathogenic bacteria, which further gives rise to the gastrointestinal diseases and disorders. To this extent, the supplementation of food products with probiotics may eliminate the pathogenic microbiota from the adhesion sites and regulate the immune response via th...
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The current relevance of a healthy diet in well-being has led to a surging interest in designing novel functional food products enriched by biologically active molecules. As nature-inspired bioactive components, several lines of research have revealed the capability of polyphenolic compounds (phenolics) in the medical intervention of different ailm...
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Edible insects are being considered as high-quality protein and lipid content sources in recent decades. Cicadatra querula is a seasonal edible insect with a large potential. Moreover, seeking alternative green solvents is an integral approach to limiting toxic and hazardous solvents as hexane in industrial sectors. In this study, the ethanol-assis...
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Bioactive compounds (bioactives) derived from plants and animals, are effective in increasing the safety and health of society through the treatment and prevention of diseases such as cancer. Fortifying conventional foods with bioactives is an accepted strategy by scientists, food manufacturers, and consumers. Milk and dairy products are among the...
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Essential oils of industrial hemp (Cannabis sativa L.) by-products (HBEO) were characterized by gas chromatography-mass spectrometry (GC-MS); then, encapsulated in alfalfa protein isolate nanoparticles (API-NPs) as a novel nanocarrier. A desirable retention (45.5-63.4%) of HBEO within API-NPs was confirmed. These nanoparticles exhibited a shrunk an...
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Saffron is a valued herb, obtained from the stigmas of the C. sativus Linn (Iridaceae), with therapeutic effects. It has been described in pharmacopoeias to be variously acting, including as an anti-depressant, anti-carcinogen, and stimulant agent. The therapeutic effects of saffron are harbored in its bioactive molecules, notably crocins, the subj...
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Exopolysaccharides (EPS) are extracellular sugar metabolites/polymers of some slim microorganisms and, a wide variety of probiotics have been broadly investigated for their ability to produce EPS. EPS originated from probiotics have potential applications in food, pharmaceutical, cosmetology, wastewater treatment, and textiles industries, neverthel...
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In this work, a four-factor five-level full factorial central composite design (CCD) was used to optimize the ultrasound-assisted extraction (UAE) of saffron major components, namely picrocrocin, safranal and crocin. The process parameters included ethanol concentration (0-100%), extraction time (2-10 min), duty cycle (0.2-1.0) and ultrasonic ampli...
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Background According to the current need of manufacturing healthier products, food companies are seeking specific biomolecules that may offer additional added value (i.e., biological activities) to the new food formulations. Capsaicin, as the pungent ingredient of chili peppers, has become so far one of the target biomolecules explored since the 19...
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The incorporation of antibiotics and bioactive compounds into non-toxic nanoparticles has been popularly used to produce effective antimicrobial nanocarriers against foodborne pathogens. These systems can protect antimicrobials against harsh environments, control their release, and increase their antimicrobial activities; however, their functions c...
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Background Nucleic acid aptamers, defined as small functional nucleic acids that can selectively bind to a specific target, have become one of the main bio-recognition elements in biosensing. Aptamers can selectively bind to specific targets, such as proteins, peptides, small organic molecules as well as metal ions in food samples. Scope and appro...
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As unique biopolymeric architectures, covalently and electrostatically protein-polysaccharide (PRO-POL) systems can be utilized for bioactive delivery by virtue of their featured structures and unique physicochemical attributes. PRO-POL systems (i. e, microscopic /nano-dimensional multipolymer particles, molecularly conjugated vehicles, hydrogels/n...
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Vitamin B12 (cyanocobalamin) and some of its hydrophilic derivatives are used as antidotes and also to treat megaloblastic anemia, nerve myelination disorders, and liver pathology. This work presents results of a comparative experimental study of cyanocobalamin and its derivatives aquacobalamin and heptamethyl ester of cyanoaquacobyrinic acid. In a...
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Background The increase in environmental concerns and the severe energy depletion as a result of using petroleum-based polymers have led to the introduction of biopolymers such as milk proteins as a hot topic due to their biodegradability, biocompatibility, and renewability. Scope and approach In the current review, we first discuss packaging comp...
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Orange peel wastes, with an estimated global annual production of 25 million tonnes, are problematic to dispose of but can be used to obtain a range of valuable products, among them the main constituent of orange essential oil, d-limonene (DL). This review aims to layout recent advances in the field of DL extraction and purification. Besides substi...
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Black seed oil (BSO) has various therapeutics effects; however, its unpleasant taste and restricted availability in the market in the form of raw oil or soft/hard gelatine capsules necessitates the need for a new formulation that is more suitable for children and elderlies. This study aimed to optimize the ionic gelation parameters for the large-sc...
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Egg is one of the major components of cake; however, it is the most expensive ingredient in cake formulation, which has a high cholesterol content and may cause allergy. Therefore, finding cost-effective and health promoting ingredients for partial or total replacement of egg is an important topic in the production of various cakes. In this paper,...
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One of the major challenges in processing food products is preserving flavor-producing compounds. D-Limonene (DL) is a safe and common additive in the food and cosmetics industry. However, the high sensitivity of DL to oxidation reduces the intensity of its aroma and even the production of bad taste compounds, making the use of this additive proble...
Chapter
Today, membrane technologies are emerging techniques as efficient protocols in multiple types of separation, including chemical compounds, solvents, biomolecules, salts, ions, among others. So far, it is likely that standard membrane-based technologies driven by pressure, such as microfiltration (MF), ultrafiltration (UF) and nanofiltration (NF), h...
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The world’s population is quickly increasing, demanding more efficient use of current protein and derivative sources, as well as the development of new and sustainable food production. It is expected that the request for protein throughout the world will be doubled in the next 30 years. This is attributable to population increase as well as a growi...
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Bioactive compounds have shown to be beneficial when used in different studies on food, nutraceuticals and pharmaceutical industry. In the present chapter, preparation methods, characterization and designing techniques of ionic liquids (microemulsions, MEs) which are used for the solubilization, separation, extraction and purification of various bi...
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Food packaging is responsible for a multitude of benefits for food items, since the beginning of humankind. These include containment, protection, preservation, transportation, identification and convenience of food. In this chapter, the evolution of the food packaging from pre-history will be addressed as well as the latest advancements, namely re...
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Cereal products are used as staple food items around the world. Many of these products such as breads, cakes, muffins, cookies and fresh pasta are perishable and have a short shelf life. Nevertheless, the internationalization of markets has increased distribution distances of these products. Therefore, longer storage periods are needed to meet the...
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β-Carotene (vitamin A precursor) and α-tocopherol, the utmost energetic form of vitamin E (VE), are known to be fat-soluble vitamins (FSVs) and essential nutrients needed to enhance the growth and metabolic functions of the human body. Their deficiencies are linked to numerous chronic disorders. Loading of FSVs within nanoemulsions could increase t...
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The article presents a literature review on modifications and the latest achievements in the field of spray drying (SD). Although the history of this method of drying dates back to more than a hundred years ago, and in the case of many products, the process is widely recognized and does not create problems, many others are still looking for new des...
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Enhanced thermal stability of anthocyanins from black barberry was obtained using an optimum concentration of Angum gum (AG) and cress seed gum (CSG). To this goal initially, the phytochemical characteristics, and the thermal stability of purified and non-purified anthocyanins were investigated to perceive the effect of the purification process. Th...
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Background Plant-based proteins as an alternative to synthetic polymers have attracted the interest of the global packaging industry in the last decade due to their biodegradability, sustainability, environmental, and beneficial health claims. Scope and approach This review covers the recent developments in biodegradable packaging such as edible f...
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The potential of almond gum and gelatin complex coacervates as a colloidal carrier for rosemary essential oil (REO) was investigated along with in-vitro gastrointestinal release and cytotoxicity. The optimum formulation (1 gelatin:2 almond gum and 7% (w/w) REO) was selected based on encapsulation efficiency (43.6%) and encapsulation yield (99.3%)....
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This study was conducted to investigate the impact on the techno-functionality over sodium caseinate (NaCS) when are conjugated with soluble soybean polysaccharides (SSPS). NaCS/SSPS conjugates were prepared through the Maillard reaction using dry heating. The formation of covalent binding between NaCS and SSPS and structural changes of NaCS during...
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Globally, agricultural yields are harmfully affected through numerous reasons, particularly botanic pests. The utilization of pesticides is one of the utmost promising choices that can provide great protection to the plants from tidies, pests, and fungi. On the other hand, the applications of chemical pesticides are not welcomed owing to the associ...
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During production and after harvest or slaughter of crops or livestock, respectively, raw food materials generally tend to obtain a number of different contaminations. These can be inedible parts, microbes, or other unwanted organisms or they have varied quality and quantity measurements below industry standards. When marketed and consumed without...
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Background: Ultrafiltration cheese is produced in large scale from treated pasteurized milk with mesophilic starter, and to expand its shelf life, preservatives addition is needed. Objective: The purpose of the present study was preparation of encapsulate Spirulina platensis algae nanoliposomes to evaluate the characteristics of the nanoliposome...
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Emerging viruses are known to pose a threat to humans in the world. COVID-19, a newly emerging viral respiratory disease, can spread quickly from people to people via respiratory droplets, cough, sneeze, or exhale. Up to now, there are no specific therapies found for the treatment of COVID-19. In this sense, the rising demand for effective antivira...
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Cinnamaldehyde has a strong biological activity, with an obvious effect in killing foodborne pathogens. In this study, an optimal formula of cinnamaldehyde nanoemulsion (CN) was selected and characterized by mean droplet size analysis, confocal laser scanning microscopy (CLSM) and Turbiscan analysis. The results showed that the optimal formula was...