A5007413899- Mycotoxins in Agriculture and Food
- Plant Pathogens and Fungal Diseases
- Insect and Pesticide Research
- Fungal Plant Pathogen Control
- Essential Oils and Antimicrobial Activity
- Wheat and Barley Genetics and Pathology
- Entomopathogenic Microorganisms in Pest Control
- Plant and fungal interactions
- Fermentation and Sensory Analysis
- Plant-Microbe Interactions and Immunity
- Pesticide Residue Analysis and Safety
- Forest Insect Ecology and Management
- Horticultural and Viticultural Research
- Insect Pest Control Strategies
- Phytochemicals and Antioxidant Activities
- Plant tissue culture and regeneration
- Plant chemical constituents analysis
- Algal biology and biofuel production
- Animal Nutrition and Health
- Phytochemistry and Biological Activities
- Bee Products Chemical Analysis
- Potato Plant Research
- Plant pathogens and resistance mechanisms
- Plant Growth Enhancement Techniques
- Listeria monocytogenes in Food Safety
Center of Biotechnogy of Borj Cédria
2010-2024
OSRAM (United States)
2012
Universitat de Lleida
2006-2010
ABSTRACT: The effects of incubation time (up to 10 d) and temperature (7, 15, 20, 25, 30, 35, 42 °C) on mean ochratoxin A (OTA)‐producing capacity OTA accumulation by 4 Aspergillus carbonarius strains isolated from Spanish Tunisian grapes were studied grape‐like medium. limits growth production have been identified. was significantly higher at 20 °C, followed 35 °C. No observed 7 °C after d and, consequently, no detected these levels. In general, maximum OTA‐producing found earlier with...
This study investigated the effects of temperature (15 to 37 degrees C) and water activity (0.90 0.99) on growth production ochratoxin A (OTA) by Aspergillus carbonarius cultured synthetic nutrient medium (SNM) after 5 10 d incubation. Total 8 ochratoxigenic A. carbonarius, isolated from vineyards located in different regions Tunisia, were used. Growth data modeled flexible model Baranyi rates at each set conditions obtained. For both OTA production, optimal was 0.99; however, varied. The...
Abstract BACKGROUND: This work aims to investigate the effects of common vinification steps on fate ochratoxin A (OTA) during wine making. Two assays red and rose microvinification, with artificially contaminated grapes, were performed. The content this mycotoxin was also monitored throughout process making from naturally grapes in a winery. RESULTS: results different revealed that maceration pomace have significant effect increase OTA ( P < 0.05) whereas alcoholic fermentation had...
A survey on the occurrence of ochratoxin (OTA) in wines and beers produced Tunisia was carried out. Wines were analysed using immunoaffinity column clean-up high-performance liquid chromatography coupled to a fluorometric detector. OTA detected 29 wine samples, with an incidence contamination 85%. The levels ranged between 0.09 1.5 µg/L. Neither studied samples showed above European regulatory limit (2 µg/L). 17 beer 45%. 0.04 0.35 dietary intake by consumption may be considered as...
The antifungal effects of laurel, myrtle and peppermint essential oils their combinations were investigated in vitro on two strains Alternaria alternata mycelial growth vivo detached Citrus leaf disease incidence. Myrtle oil was rich α-pinene 1,8-cineole while menthol menthone. 1,8-Cineole the main component from laurel + laurel. combined characterized by predominance 1,8-cineole. All tested oils, incorporated potato-dextrose agar, inhibited A. had a fungistatic effect at concentration 3...
Journal Article Growth and ochratoxin A production by Aspergillus carbonarius at different pHs grape maturation stages Get access S. Lasram, Lasram Laboratory of Molecular Physiology Plants – Borj‐Cedria Biotechnology Center. Hammam‐Lif, Tunisia Salma Center, B. P. 901, Hammam‐Lif 2050, Tunisia. E‐mail: ls_salma@yahoo.fr Search for other works this author on: Oxford Academic Google Scholar A. Barketi, Barketi Mliki, Mliki Ghorbel Letters in Applied Microbiology, Volume 54, Issue 5, 1 May...
Background: Ochratoxin A (OTA) and Aflatoxin B1 (AFB1) are toxic secondary metabolites produced by certain mold species. In this primarily survey, we examined the OTA AFB1 contamination of pearl millet grains distributed in Tunisia. Methods: Twenty-five (Pennisetum glaucum L.) samples from different regions Tunisia were analyzed High Performance Liquid Chromatography coupled with fluorescence detector order to evaluate OTA. Statistical tests performed XLSTAT 2018. Results: detected 32 28%...
Abstract To characterize Aspergillus section Nigri strains involved in the ochratoxin A ( OTA ) contamination of Tunisian wine and table grapes, a total 33 were analysed. molecular characterization isolates was performed by amplification internal transcribed spacer ITS 1‐5.8S rDNA ‐ 2) region combined with amplicon sequencing. Analysis similarity between obtained sequences those deposited GenBank database performed. Twelve confirmed to belong carbonarius species. Strains belonging niger...
In this paper, we assessed the ability of two strains Saccharomyces cerevisiae, in viable and dead forms, to remove ochratoxin A (OTA) from an artificially contaminated synthetic grape juice medium (SGM) (10 µg OTA/L) a naturally (6.64 OTA/L). The first strain, named Levulin FB, is commercial yeast used making wine. second, SC5, autochthonous strain isolated table grapes. OTA concentrations juices before after their contact with cells were assessed. significant decrease level (p < 0.05)...
The leaf essential oil yields of clementine, cypress, rosemary, tea, and thyme were 0.22, 0.87, 1.46, 1.20, 0.72%, respectively, based on the dry weight plant material. oils contained highest levels oxygenated monoterpenes (60.14-91.70%). Rosemary tea rich in 1,8-cineole (49.98% 57.55%, respectively), they have potent antifungal activity against Alternaria alternata strain (MIC = 5000 μg/ml). Thyme was carvacrol (78.54%) had a MIC 6000 μg/ml A. strain. Clementine characterized by...