418 resultados para Tratamento térmico e tratamento químico


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Pós-graduação em Ciência e Tecnologia de Materiais - FC

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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The experiment was conducted to evaluate pigeon pea (Cajanus cajan) protein in broiler chicks (up to 28 days of age) feeding, as compared to soybean (Glycine mar) protein, In the experiment the effects of temperature and autoclaving on antinutritional factors on pigeon pea meal were studied. Temperatures of 100, 110 e 120 degrees C and times of autoclaving of 10, 20 and 30 minutes were applied using a two-way factorial design, replicated in four times. Underheating and overheating during the process of inactivation of proteases inhibiting were evaluated by ureatic activity and protein solubility analysis, after the grains were dried and ground. After 28 days, the best time of autoclaving was 20 minutes (p<,05) irrespectively of temperature, which lead to a lower feed consuption. There were no histopathological alterations in kidney, liver, pancreas, heart and intestines of the broilers.

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The consumer market demands food without pesticide residues. Therefore, this study focused on evaluating the control of green mold in Pera orange trees with biocontrol agents (Bacillus subtilis, Bacillus licheniformis and Bacillus subtilis (QST 713)), associated or not with heat treatment. The fruit was obtained in packinghouse before processing, being washed and disinfected with the use of Sodium Hypochlorite. Fruits submitted to these treatments were stored from 11 to 28 days at temperature of 10 °C and RH 90%±5 or for eight days at 20 °C and 90%±5. In general, the heat treatment reduced the disease severity determine by the area under the disease progress curve in the fruit and the incidence of natural postharvest disease in Pera oranges. On the other hand, biocontrol agents did not control the disease, showing that the organisms tested did not present curative activity against the green mold.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)