- Protein Hydrolysis and Bioactive Peptides
- Proteins in Food Systems
- Probiotics and Fermented Foods
- Infant Nutrition and Health
- Phytase and its Applications
- Food composition and properties
- Enzyme Production and Characterization
- Antimicrobial Peptides and Activities
- Animal Nutrition and Physiology
- Moringa oleifera research and applications
- Phytochemicals and Antioxidant Activities
- Plant Pathogens and Fungal Diseases
- Microbial Metabolites in Food Biotechnology
- Biochemical and Structural Characterization
- Viral gastroenteritis research and epidemiology
- Food and Agricultural Sciences
- Bacteriophages and microbial interactions
- Rabbits: Nutrition, Reproduction, Health
- Meat and Animal Product Quality
- Plant-Microbe Interactions and Immunity
- Essential Oils and Antimicrobial Activity
- Agricultural pest management studies
- Microbial Natural Products and Biosynthesis
- Natural Antidiabetic Agents Studies
- Food Allergy and Anaphylaxis Research
Zagazig University
2016-2025
Biopolymères Interactions Assemblages
1995-2011
Institut National de la Recherche Agronomique du Niger
2011
Laboratoire de Thermique et Energie de Nantes
2011
Institut National de la Recherche Agronomique
2001-2006
Suez Canal University
2001
Laboratoire des Biomolécules
1995
Laboratoire de Chémo-biologie synthétique et thérapeutique
1995
University of California, Davis
1987
Crude, phenolic-rich extracts (CPREs) were isolated from different sources, such as Hibiscus sabdariffa (H. sabdariffa), Brassica oleracea var. capitata f. rubra (B. oleracea) and Beta vulgaris vulgaris) characterized. These CPREs showed potential antibacterial antifungal activities. H. CPRE (HCPRE) is the most potent, it inhibited all tested bacteria fungi. Total anthocyanins content (TAC), total phenolic (TPC) flavonoid (TFC) estimated in three CPREs. contained 4.2 mg/100 g TAC, 2000 of...
A new preservation approach is presented in this article to prolong the lifetime of raw chicken meat and enhance its quality at 4 °C via coating with highly soluble kidney bean protein hydrolysate. The hydrolysates black, red, white (BKH, RKH, WKH) were obtained after 30 min enzymatic hydrolysis Alcalase (E/S ratio 1:100, degree 25-29%). different phaseolin subunits (8S) appeared SDS-PAGE 35-45 kD molecular weight range while vicilin 55-75 kD. have considerable antioxidant activity as...
Summary The aim of the work was to study effect adding cucumber pomace powder (CP) soft wheat flour used in noodle manufacture. CP is a rich source minerals and fibres, having high contents polyphenols flavonoids were 1.6 mg g −1 GAE 0.65 QE, respectively, besides its capability inhibit bacterial fungal growth scavenge DPPH˙ (74.44%). dough rheological properties showed increased extensibility water absorption but decreased elasticity with CP. addition significantly mineral content noodles,...
Nonalcoholic fatty liver disease (NAFLD) is the hepatic manifestation of metabolic syndrome and can vary from steatosis to end-stage disease. It most common its prevalence increasing worldwide. In present study, effect whey proteins on some parameters NAFLD was investigated.Oral administration studied products reduced final body weight rats. There a significant reduction (P<0.05) tested triglycerides, enzymes (ALT AST), lipid peroxidation (malondialdehyde level) serum glucose. Feeding caused...
The present work was carried out to determine the characteristics and antibacterial activity of 7S 11S globulins isolated from cowpea seed (Vigna unguiculata (L.) Walp.). molecular mass globulin demonstrated by SDS-PAGE bands be about 132, 129 95 kDa corresponding α/, α β subunits. existed between 28 52 basic acidic minimum inhibitory concentrations MICs were determined against Gram positive bacteria viz: Listeria monocytogenes LMG 10470, ivanovii FLB 12, Staphylococcus aureus ATCC 25923...
Biofungicides with low toxicity and high efficiency are a global priority for sustainable agricultural development. Phytohormone salicylic acid (SA) is an ancient medicine against various diseases in humans activates the immune system plants, but little known of its function as biofungicide. Here, Fusarium oxysporum, causal agent devastating wilt immunodepressed patients, was used model to explore whether SA can enter pathogen cells suppress key targets pathogen. Oxford Nanopore MinION...
Heavy metal accumulation and pathogenic bacteria cause adverse effects on aquaculture. The active surface of selenium (Se) nanoparticles can mitigate these effects. present study used Se-resistant Bacillus subtilis AS12 to fabricate biological Se (Bio-SeNPs). double-edged Bio-SeNPs were tested for their ability reduce the harmful heavy metals bacterial load in Nile tilapia (Oreochromis niloticus) respective influences fish growth, behavior, health. have a spherical shape with an average size...
Natural colorants, including natural pigments, e.g., anthocyanins, carotenoids, and chlorophylls, in novel attractive food matrixes have become a popular trend. They impart favorite colors to products provide significant therapeutic effects. This study is aimed at extracting identifying some pigments from different plant sources evaluating their ability as antibacterial, antioxidant, anticancer activities.
The prevalent life-threatening microbial and cancer diseases lack of effective pharmaceutical therapies created the need for new molecules with antimicrobial anticancer potential. Bee venom (BV) was collected from honeybee workers, melittin (NM) extracted BV analyzed by urea-polyacrylamide gel electrophoresis (urea-PAGE). isolated hydrolyzed alcalase into bioactive peptides evaluated their activity. Gel filtration chromatography fractionated hydrolysate (HM) three significant fractions (F1,...
Native egg white protein with high level of acidic amino acid residues (pI = 4.8) and hydrophilic nature was transformed into its methylated derivative (MEW), acquiring rather hydrophobic basic character 8). The MIC MEW against ten studied bacteria (G(+) G(-)) ranged between 0.5 1 μg/disc matching or excelling the comparative values some known specific antibiotics (ranging from to 7.5 μg/disc). Combinations (1 MIC) different ready-made disc concentrations indicated either nil, antagonistic...