Nariman El AbedNational Institute of Applied Sciences and Technology | INSAT
Nariman El Abed
PhD
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21
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Publications (21)
Seaweeds are promising alternative sources of valuable bioactive compounds that could be used as functional agents for human health and in the food industry. Seaweed bioactives, including peptides and polysaccharides have investigated both in vitro and in vivo systems. Therefore, they have shown several attractive biological activities, such as ant...
Seafood is a rich source of nutrients known to improve consumer well-being based on their nutraceutical value, and they are also highly prone to spoilage by microorganisms and oxidation. Chitosan is well recognized for their vast array bioactivities, particularly the antimicrobial and antioxidant activity, attributed to its ability to permeate and...
Polyphenol has been used in treatment for some health disorders due to their diverse health promoting properties. These compounds can reduce the impacts of oxidation on the human body, prevent the organs and cell structure against deterioration and protect their functional integrity. The health promoting abilities are attributed to their high bioac...
A considerable mass of plastics has been released into the marine environment annually through different human activities, including industrial, agriculture, medical, pharmaceutical and daily care products. These materials are decomposed into smaller particles such as microplastic (MP) and nanoplastic (NP). Hence, these particles can be transported...
The coronavirus disease (COVID-19) pandemic caused several negative impacts on global human health and the world’s economy. Food and seafood safety and security were among the principal challenges and causes of concern for the food industry and consumers during the spread of this global pandemic. This article focused on the effects of COVID-19 pand...
Fermented foods are of great importance for their role in preserving nutrients and enriching the human diet. Fermentation ensures longer shelf life and microbiological safety of food. Natural bioactive compounds have been paid attention as nutraceuticals or functional ingredients, which have health-promoting components since polysaccharides, especi...
This research aimed to apply nanotechnology for nanoformulation of Laurus nobilis essential oil (EO) by ultrasonic emulsification method and characterization of nano-form: particle size, viscosity, polydispersity index, thermodynamic stability, and surface tension. The antimicrobial activity of laurel EO nanoemulsion (LEON) and laurel EO was also i...
Novel food preservation methods, along with preservatives have been employed to prevent food products from spoilage. There is an increasing demand to substitute synthetic preservatives with natural bioactive compounds since they are safe and environmentally friendly. Bioactive compounds with functional and therapeutic properties are found in foods...
In the food industry, there is a need to use the properties of antioxidants and antimicrobials effectively to prevent microbial growth in foods, as well as to retard the oxidation of fats to delay rancidity. Nevertheless, the emerging concern about the negative effects of synthetic antioxidants and antimicrobials on consumers' health along with the...
The oceans have been the Earth's most valuable source of food. They have now also become a valuable and versatile source of bioactive compounds. The significance of marine organisms as a natural source of new substances that may contribute to the food sector and the overall health of humans are expanding. This review is an update on the recent stud...
The antibacterial activity of the essential oils extracted from Thymus capitatus and Thymus algeriensis was studied against Escherichia coli, Salmonella typhimurium, Staphylococcus aureus , and Pseudomonas aeruginosa . In this study, the disk method showed that T. capitatus EO has a strong antibacterial effect, whereas T. algeriensis EO showed a mo...
The antibacterial activity of the essential oils extracted from Thymus capitatus and Thymus algerien-sis was studied against Escherichia coli, Salmonella typhimurium, Staphylococcus aureus, and Pseudomonas aeruginosa. In this study, the disk method showed that T. capitatus EO has a strong antibacterial effect, whereas T. algeriensis EO showed a mod...
The antibacterial activity of the essential oils extracted from Thymus capitatus and Thymus algerien-sis was studied against Escherichia coli, Salmonella typhimurium, Staphylococcus aureus, and Pseudomonas aeruginosa. In this study, the disk method showed that T. capitatus EO has a strong antibacterial effect, whereas T. algeriensis EO showed a mod...
The antibacterial activity of the essential oils extracted from Thymus capitatus and Thymus algeriensis
was studied against Escherichia coli, Salmonella typhimurium, Staphylococcus aureus, and
Pseudomonas aeruginosa. In this study, the disk method showed that T. capitatus EO has a strong
antibacterial effect, whereas T. algeriensis EO showed a mode...
The new preparation of 2-(1,3-dithian-2-ylidene)-2-arylacetonitrile and 2-(1,3-dithiol-2-ylidene)-2-arylacetonitrile is described. The electrogenerated cyanomethyl base/anion obtained from the electroreduction of acetonitrile promotes reactions between arylacetonitrile, carbon disulfide and 1-bromo-3-chloropropane or 1,2-dibromoethane. Obtained pro...
The present study was carried out to investigate the phytochemical compositions, antioxidant and antibacterial activities, and the cytotoxicity of aqueous and methanolic crude extracts of five wild medicinal plants from the south of Tunisia. The phytochemical screening was quantified by calorimetric techniques in terms of the total contents of phen...
The antioxidant activity of the methanolic and aqueous extracts of two parasitic plants Orobanche crenata and Orobanche foetida collected from faba bean fields was investigated with 2 complementary test systems, DPPH (2,2-diphenyl-1-picrylhydrazyl) and ABTS (2,2-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid) radical scavenging activities. The O....
The chemical composition, antioxidant and antimicrobial activities, and the preservative effect of Thymus capitata essential oil against Listeria monocytogenes inoculated in minced beef meat were evaluated. The essential oil extracted was chemically analyzed by gas chromatography-mass spectrometry. Nineteen components were identified, of which carv...
The antioxidant activity of the methanolic and aqueous extracts of two parasitc plants Orobanche crenata and
Orobanche foetida colected from faba bean fields was investigated with 2 complementary test systems, DPH (2,2- diphenyl-1-picrylhydrazyl) and ABTS (2,2-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid ) radical scavenging activites. The O. c...