A5075946854- Mycotoxins in Agriculture and Food
- Plant Pathogens and Fungal Diseases
- Bacterial Infections and Vaccines
- Pneumonia and Respiratory Infections
- Wheat and Barley Genetics and Pathology
- Listeria monocytogenes in Food Safety
- Pesticide Residue Analysis and Safety
- Nanoparticles: synthesis and applications
- Plant Disease Resistance and Genetics
- Immune Response and Inflammation
- Science and Education Research
- Indoor Air Quality and Microbial Exposure
- Heavy Metals in Plants
- Agricultural and Food Sciences
- Infectious Encephalopathies and Encephalitis
- Milk Quality and Mastitis in Dairy Cows
- Plant Pathogens and Resistance
- Essential Oils and Antimicrobial Activity
- Food Safety and Hygiene
- Neuropeptides and Animal Physiology
- Nanocomposite Films for Food Packaging
- Laser-Ablation Synthesis of Nanoparticles
- Health Education and Validation
- Pesticide Exposure and Toxicity
- Environmental Toxicology and Ecotoxicology
Universidade Federal de Santa Catarina
2013-2024
Universidade do Extremo Sul Catarinense
2010-2024
Centro Universitário do Espírito Santo
2020-2021
Universidade do Sul de Santa Catarina
2010-2018
Universidade do Estado de Santa Catarina
2017-2018
Summary Antifungal and antimycotoxin properties of zinc (Zn) compounds were evaluated against toxigenic strains Fusarium graminearum , Penicillium citrinum Aspergillus flavus . In addition, was verified the activity these Zn‐compounds on conidia production, hyphae morphological alterations, mortality reactive oxygen species ( ROS ) production. The treatments utilised oxide nanoparticles (ZnO‐ NP s), (ZnO), sulphate (Zn SO 4 perchlorate (Zn(ClO 2 ). effect growth diameter fungal colony...
Beer is an alcoholic beverage consumed on a regular basis by many people around the world. Consequently, beer quality and, specifically, its impact future health of consumer must be considered seriously. One issue action mycotoxins and their beverage. In this sense, objective present study was to determine occurrence Deoxynivalenol (DON) Fumonisin B1 (FB1) in artisanal beers from southern Brazil additionally, evaluate physico-chemical properties. The methods applied for physic-chemical...
The efficacy of ozone (O3) gas treatment to inhibit the strains growth Aspergillus flavus and Penicillium citrinum aflatoxin citrinin (CTR) degrade in wheat grains were evaluated. tests performed laboratory pilot silos containing artificially contaminated by these fungi or mycotoxins. Briefly, samples divided into control groups (no O3 gas) O3-treated (40 60 μmol/mol), which exposed for 30, 60, 120 180 min. In highest concentration exposure (60 A. P. showed complete inhibition after...
The industrial use of barley grain has experienced continuous growth, mainly due to its economic importance for malt production. From a technological perspective, fungal persistence can reduce product marketability and cause losses. In this sense, the aim present study was determine presence identification mycoflora occurrence deoxynivalenol (DON) fumonisins (FBs) in malting barley. samples presented low count colonies, with values ranging from 10.5 0.5 × 101 CFU g−1 species most found were...
Fusarium species threaten yield and quality of cereals worldwide due to their ability produce mycotoxins cause plant diseases. Trichothecenes zearalenone are the most economically significant particular concern in barley, maize wheat. For this reason, aim study was characterize isolates from brewing barley assess deoxynivalenol contamination grains. Characterization strains carried out by phylogeny based on two loci (EF-1α RPB2). Mycotoxin detection quantification were performed LC-MS. The...
AbstractThe antifungal properties of ozone (O3) gas exposure towards toxigenic fungi were evaluated in laboratory-scale treatments trials. O3 was utilized at a concentration 60 μmol/mol different times exposure, which efficiently inhibited the colonies growth, especially F. graminearum and P. citrinum. At applied, able to inhibit conidia germination, caused hyphae morphological alterations that led death ROS production all tested. action can be related cell metabolism alterations, leading...
Mycotoxins are widely studied by many research groups in all aspects, but the stability of these compounds needs further for clarification. The objective this study is to evaluate deoxynivalenol and zearalenone during steps malting brewing processes. levels decreased significantly production process (barley beer). During process, DON steeping, germination, (62%, 51.5%, 68%, respectively). Considering ZEN, when were compared between barley last step a significant decrease was observed. Most...
Bacterial meningitis due to Streptococcus pneumoniae is associated with a significant mortality rate and persisting neurologic sequelae including sensory-motor deficits, seizures, impairments of learning memory. The presence proliferating bacteria within the subarachnoid ventricular space compartments triggers an intense inflammatory host response at killing invading microorganism. Proinflammatory mediators released in process include tumor necrosis factor alpha (TNF-α), interleukin (IL)-1β,...
An analytical method based on liquid chromatography-tandem mass spectrometry (LC-MS/MS) was validated and applied for the analysis of aflatoxin M1 (AFM1), ochratoxin A (OTA) deoxynivalenol (DON) in infant formula milk-based products young children commercialized Brazil. total 38 samples were evaluated, including 12 formula, 14 follow-on products. AFM1 detected (32%) samples, seven (18%) contained levels above limit quantification a concentration range between 0.013 0.067 ng mL-1 (0.026 ±...
Several strategies are used to eliminate toxigenic fungi that produce fumonisins in grains. Fusarium verticillioides can be controlled by the application of synthetic fungicides field or during storage. However, there may also residuals, which remain foods. Inorganic compounds such as zinc cheap, stable and could present strong antifungal activity. Some Zn utilized dietary supplements authorized for fortification Knowing advantages low concentrations have antimicrobial activity, our...
The fungal species Fusarium graminearum is related to deoxynivalenol (DON) formation. aim of this study was evaluate mycoflora and DON occurrence in 53 whole wheat grain samples collected Southern Brazil during the 2012 crop. Wheat grains showed adequate values water activity ranging from 0.48 0.72, within required limits moisture content, 9.1% 13.9%. In addition, low counts colonies, 10 8.2 × 10(2), were found. For genera, there predominance verticillioides (34%) F (30.2%). Aspergillus...
Bacterial meningitis is associated with intense inflammation and also linked to the production of reactive oxygen species. To this aim, animals underwent a magna cistern tap received either sterile saline as placebo or an equivalent volume Streptococcus pneumoniae suspension. The began antibiotic therapy 16 h after induction. were sacrificed at 24 48 post-infection hippocampus cortex harvested. activity enzymes superoxide dismutase, catalase, thiobarbituric acid species, protein carbonyls,...