Corn Toxigenic Fungi
Mostrando 1-9 de 9 artigos, teses e dissertações.
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1. Métodos de preservação de fungos potencialmente toxicogênicos / Methods to preserve potentially toxicogenic fungi
Microorganisms are a source of many high-value compounds which are useful to every living being, such as humans, plants and animals. Since the process of isolating and improving a microorganism can be lengthy and expensive, preserving the obtained characteristic is of paramount importance, so the process does not need to be repeated. Fungi are eukaryotic, ac
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 11/08/2011
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2. Interação entre fungos toxigênicos (Aspergillus flavus e Fusarium verticillioides) e carunchos (Sitophilus zeamais) em amostras de grãos de milho. / Interaction between toxigenic fungus (Aspergillus flavus e Fusarium verticilliodes) and weevils (Sitophilus zeamais) in samples of maize grains.
The weevils Sitophilus zeamais ability was examined to propagate spores of Aspergillus flavus and Fusarium verticillioides and the production of mycotoxins. Corn grains was conserved in flasks connected by a rubber to form a closed system (side A and B) and divided in six groups: G1 (corn + weevil - side A); G2 (corn + A. flavus - side A); G3 (corn + A. flav
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 03/08/2011
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3. Avaliação dos efeitos da fertilização nitrogenada (uréiae uréia com NBPT) e do Fungicida maxim - XL na produção de fumonisinas por Fusarium verticillioides
Corn is an economically important cereal worldwide, but it is susceptible to toxigenic fungi contamination, mainly Fusarium verticillioides. This fungus produces fumonisins, which cause several mycotoxicoses and probably esophageal cancer in humans. Due to the problems caused by F. verticillioides and fumonisin contamination in corn, during its cultivation s
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/02/2009
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4. Avaliação micológica e micotoxicológica de silagens destinadas à alimentação de bovinos de fazendas no Estado de São Paulo e Rio de Janeiro. / Mycological and mycotoxicology evaluation of silage intended to a food on cattle Farms in the State of São Paulo and Rio de Janeiro.
Despite having the second largest cattle herd in the world, the Brazilian has low rates of productivity. The performance of the animals in pastures is reasonable during the rainy season, being deficient in the dry season, caused by the low availability and quality of grass, which results in weight loss of animals. Thus ensiled foods are a recently solution t
Publicado em: 2009
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5. Microbiota fúngica e micotoxinas em milho cultivado sob diferentes práticas de manejo
O milho (Zea mays L.) é um dos cereais mais tradicionais cultivados no mundo todo e de grande importância econômica e social, fazendo parte da alimentação básica, sendo incluído em mais de 500 produtos e derivados. A contaminação do milho por fungos e micotoxinas reduz a qualidade do produto e representa riscos à saúde humana e animal. O sistema d
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/02/2008
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6. Avaliação da produção de fumonisinas por fusarium verticillioides em meio líquido
Fusarium verticillioides é um patógeno primário de milho e principal produtor de fumonisinas. Este fungo pode causar perdas econômicas significativas para produtores e processadores de grãos, criadores de animais, além de representar sérios riscos à saúde humana e animal. Este trabalho teve como objetivo avaliar a produção de fumonisinas por F. ve
Publicado em: 2008
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7. Avaliação da presença de fungos e micotoxinas na tecnologia de pós-colheita do milho
Corn is an important cereal crop in Brazil as a major ingredient of animal feed and as raw material included in more than 500 cereal based products. Nevertheless, due to its nutritional quality it becomes an excellent substratum for the toxigenic fungi contamination. In order to evaluate the effect of the time interval between the harvesting and the pre-dryi
Publicado em: 2007
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8. Toxigenic Fungi in Food
Forty-five fungal isolates from moldy supermarket foods were tested for toxicity to brine shrimp, and twenty-two of these isolates were subsequently tested for toxicity to chicken embryos. Highly toxigenic fungi were Cladosporium sphaerospermum from a bakery product, Fusarium oxysporum from carrots, F. solani from cabbage, Aspergillus niger and Penicillium c
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9. Effects of Moisture Content and Temperature on Aflatoxin Production in Corn 1
Samples of freshly harvested and remoistened corn, of various moisture contents, were stored at different temperatures; analyses for aflatoxin content were made periodically. At moisture levels above 17.5% and at temperatures of 24 C or warmer, aflatoxins were formed by Aspergillus flavus present in the original epiphytic mycoflora. Remoistened dried corn wa