Exploring the potential of biosurfactants produced by fungi found in soil contaminated with petrochemical wastes.

Biosurfactants are a diverse group of compounds derived from microorganisms, possessing various structures and applications. The current study was seeking to isolate and identify a new biosurfactant-producing fungus from soil contaminated with petrochemical waste. The bioprocess conditions were optimized to maximize biosurfactant production for Aspergillus carneus OQ152507 using a glucose peptone culture medium with a pH of 7.

A putative cytotoxic serine protease from Salmonella typhimurium UcB5 recovered from undercooked burger.

A putative virulence exoprotease designated as UcB5 was successfully purified from the bacterium Salmonella typhimurium to the electrophoretic homogeneity with 13.2-fold and 17.1% recovery by hydrophobic, ion-exchange, and gel permeation chromatography using Phenyl-Sepharose 6FF, DEAE-Sepharose CL-6B, and Sephadex G-75, respectively.

Evaluation of the Effectiveness of Charcoal, , and as Aflatoxin Adsorbents in Chocolate.

The high incidence of aflatoxins (AFs) in chocolates suggests the necessity to create a practical and cost-effective processing strategy for eliminating mycotoxins. The present study aimed to assess the adsorption abilities of activated charcoal (A. charcoal), yeast (), and the probiotic as AFs adsorbents in three forms-sole, di- and tri-mix-in phosphate-buffered saline (PBS) through an in vitro approach, simulated to mimic the conditions present in the gastrointestinal tract (GIT) based on pH, time and AFs concentration.

Evaluation of the Impacts of Potassium Bicarbonate, Seed Extract, and on Sugar Beet Powdery Mildew.

Powdery mildew disease, caused by , is one of the most threatening diseases on sugar beet plants worldwide. It causes a great loss in the root yield, sugar percentage, and quality of produced sugar. In the current study, we aimed to evaluate the susceptibility of 25 sugar beet cultivars to infection with powdery mildew disease under Egyptian conditions.

Binding and removal of polycyclic aromatic hydrocarbons in cold smoked sausage and beef using probiotic strains.

The aim of this study is to bio-monitor the levels of 16 polycyclic aromatic hydrocarbons (PAHs) in cold smoked beef and sausages. The ability of probiotics to remove PAHs was also investigated as function of the cell viability (viable, non-viable and acid-treated cells), bacterial counts (10, 10, and 10 CFU/mL), pH (3, 5, and 7), and incubation time (6, 12, and 24 h). The results indicated a significant difference (p < 0.

Efficacy of , seeds extract and potassium bicarbonate on Cercospora leaf spot on sugar beet.

Cercospora leaf spot caused by are among the most dangerous plant diseases on sugar beet plants. It causes heavy economic losses, whether on the yield of roots, the percentage of sugar in them, or the quality of sugar produced. In addition to the economic cost caused by chemical control, these chemical pesticides cause an imbalance in the ecosystem and harm the health of humans and animals.

Detoxification of Aflatoxin B1 and Ochratoxin A Using Salvia farinacea and Azadirachta indica Water Extract and Application in Meat Products.

Seventy-five samples of selected meat products, including luncheon, beef burger, sausage, basterma, and kofta, were collected from Alexandria and New Borg El-Arab cities (Egypt). The samples were subjected to mycological examination as well as for detection of aflatoxin B1 (AFB1) and ochratoxin A (OTA) residues. Besides, the study evaluated the effect of aqueous leaf extracts from mealycup sage (Salvia farinacea) and neem (Azadirachta indica), individually and in combination, on the growth of human pathogens Aspergillus parasiticus and Aspergillus flavus producing AFB1, as well as Aspergillus ochraceus and Aspergillus niger which produce OTA.