A5086611478- Mycotoxins in Agriculture and Food
- Plant Pathogens and Fungal Diseases
- Wheat and Barley Genetics and Pathology
- Radiation Effects and Dosimetry
- Radioactive element chemistry and processing
- Pesticide Residue Analysis and Safety
- Plant-Microbe Interactions and Immunity
- Listeria monocytogenes in Food Safety
- Agricultural and Food Sciences
- Plant Disease Management Techniques
- Fungal Biology and Applications
- Phytochemistry Medicinal Plant Applications
- Chromium effects and bioremediation
- Plant tissue culture and regeneration
- Insect and Pesticide Research
- Animal Nutrition and Physiology
- Enterobacteriaceae and Cronobacter Research
- Heavy Metals in Plants
- Bee Products Chemical Analysis
- Plant Disease Resistance and Genetics
- Antifungal resistance and susceptibility
- Insect Pest Control Strategies
- Indoor Air Quality and Microbial Exposure
- Agriculture, Plant Science, Crop Management
- Fermentation and Sensory Analysis
Universidade de São Paulo
2013-2024
Universidade Cidade de São Paulo
2006-2019
Universidade Federal de Lavras
2014-2017
Fungal and mycotoxin contamination was investigated in field samples of nuts, shells pods the Brazil nut collected during different periods Itacoatiara, State Amazonas, Brazil: day 0, still on tree; days 5, 10 15, contact with soil for 15 days, respectively. The most prevalent fungi were Aspergillus flavus fruit nuts Fusarium spp. shells. Penicillium A. isolated from soil, air. Aflatoxins cyclopiazonic acid not detected any analyzed. high frequency isolation aflatoxigenic strains increases...
Natural mycoflora and co-occurrence of fumonisins (FB1, FB2) aflatoxins (AFB1, AFB2, AFG1 AFG2) in freshly harvested corn grain samples from four regions Brazil were investigated. Fusarium verticillioides was predominant all samples. Analysis showed that 98% the contaminated with FB1 74.5% + FB2, toxin levels ranging 0.015 to 9.67 μg/g for 3.16 FB2. Twenty-one (10.5%) AFB1, seven (3.5%) AFB2 only one (0.5%) AFG2. Co-contamination observed 7% The highest contamination Nova Odessa (SP) Várzea...
The aim of this study was to use a polyphasic approach identify Aspergillus section Flavi isolated from Brazil nuts collected in the Amazon forest: investigation macro- and microscopic morphology, production extrolites, heat-resistance fungi, sequencing DNA regions. following species were identified: flavus (75.5%), nomius (22.3%), parasiticus (2.2%). All A. isolates produced aflatoxins B G, but not cyclopiazonic acid (CPA). more diversified high frequency mycotoxigenic strains observed....
The present study was carried out to evaluate the excretion of aflatoxin B1 residues in eggs young laying hens fed B1-contaminated rations for 8 weeks. To this end, 96 twenty-week-old were randomly distributed into four experimental groups (24 birds per group) and given containing either 0 (controls), 100 μg, 300 μg or 500 B1/kg feed. Egg determined by thin layer chromatography; two samples treatment week used analysis. production average egg weights not affected (p < 0.05) receiving...
This study evaluated the presence of fungi and mycotoxins [aflatoxins (AFs), cyclopiazonic acid (CPA), aspergillic acid] in stored samples peanut cultivar Runner IAC Caiapó 886 during 6 months. A total 70 pod kernel were directly seeded onto Aspergillus flavus parasiticus agar for isolation detection, AFs CPA analyzed by high-performance liquid chromatography. The results showed predominance section Flavi strains, Nigri Fusarium spp., Penicillium spp. Rhizopus from both cultivars. detected...
In this study, we evaluated the effect of minced fish (MF) inclusion on acceptance tilapia sausages. One hundred consumers participated in sensory test relation to attributes appearance, color, aroma, flavor, texture, overall impression, and purchase intent. The tests were conducted using same composition ingredients, varying only raw material (MF fillet), resulting 5 different formulations. To represent results attributes, generated internal preference maps through principal component...
Penicillium piscarium can be indicated as promising in the treatment of sites contaminated with uranium. Thus, this research aimed to analyze P. dead biomass uranium biosorption. This fungus was previously isolated from a highly mine located Brazil. Biosorption tests were carried out at pH 3.5 and 5.5 solutions concentrations 1 100 mg/L nitrate. Our results showed that able remove between 93.2 97.5% 3.5, end experiment, solution increased values above 5.6. Regarding experiments 5.5, also 38...
In the present study, 256 7-wk-old Japanese quail were randomly distributed into four experimental groups (64 birds per group) and given rations containing 0 (controls), 25, 50, or 100 (g aflatoxin B, (AFB1)/kg feed for 168 d. Each treatment consisted of replicates 16 quail. Egg production individual egg weight checked daily. Feed consumption use determined weekly. Eggs laid in last day each 28-d laying period collected subjected to analysis specific gravity, Haugh units, shell thickness...
In the present study, 288 8-wk-old Japanese quail were randomly distributed into 6 experimental groups (48 birds per group) and fed following diets for 140 d: 1) 0 (control); 2) 10 mg of fumonisin B1 (FB1); 3) 50 microg aflatoxin (AFB1); 4) AFB1 + FB1; 5) 200 AFB1; 6) FB1/kg feed. Each treatment consisted 4 replicates 12 quail. Egg production individual egg weight checked daily. Feed intake feed conversion determined weekly. Results showed that by end fifth cycle, average was lower (P <...
The aim of this study was to characterise the mycoflora and presence fumonisin in sorghum grains, correlating results with environment abiotic factors.Fifty samples (five collections ten each) were analysed. All found be contaminated fungi, higher frequencies Cladosporium spp. (61.8%) Helminthosporium (33.4%). Fusarium verticillioides isolated from 15.1% samples, 38% them being B(1) (FB(1)) at levels ranging 50 368.78 ng g(-1). Regarding factors, temperature, water activity rainfall showed a...