233 resultados para minas frescal cheese
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Pós-graduação em Medicina Veterinária - FCAV
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Sensorial and microbiological characteristics of a Brazilian fresh cheese samples with Bifidobacterium animalis subps. lactis as well as samples with this probiotic and polydextrose, a prebiotic ingredient, were evaluated. The addition of this microorganism was studied as: (1) lyophilized probiotic added to cheese curd and (2) by using milk previously fermented by this probiotic to produce the cheese. Cheese samples were microbiologically characterized after 0, 7, 14, 21 and 28 days of storage at a temperature of 4 °C. The microbiological analyses conducted were quantification of total lactic acid bacteria, mesophilic microorganisms, Bif. animalis subps. lactis, coliforms at 30 °C and 45 °C. Affective sensory test was conducted for two different cheese samples (with probiotic and with probiotic and prebiotic) as well as for control one week after manufacturing date. Cheese samples provided acceptable results for coliform counts at 30 °C and 45 °C in compliance with legislation. The cheese samples produced using milk fermented by probiotic showed counts of 107 -108 CFU/g after 28 days of storage, which assures functional property for this product to be claimed.
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The objective of this study is to determine the economical and energetic efficiency of the castor bean culture in "Zona da Mata" and South of Minas Gerais. Through the method of simulation "Monte Carlo", we verified the probabilities of occurrence of the economical, cultural and energetic efficiency indexes. In relation to the production systems of castor bean in Minas Gerais in the season 2005/2006, we established that the variables price and productivity were the most noticeable for the producers from "Zona da Mata", while in the South of Minas it was productivity. We verified that the probability of the economical efficiency index to be lower than one was 43,26% for the producers from "Zona da Mata" and 39,57% for the ones from the South of Minas. The medium price received covered the medium costs of production. However, we observed that the medium costs in these regions of Minas Gerais, were over the minimum price. Regarding the energetic analysis, the results showed that the systems in the regions studied in Minas Gerasi, presented average of cultural efficiency indexes of 8,26 and 18,89. We concluded that despite the result being favorable from the energetic point of view, from the economical sustainability point of view there is the need of a more effective support policy for the castor bean, taking into consideration that the expectations of the producers with PNPB were not confirmed.
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In this study, organic coffee production systems energy efficiency was estimate. So, an itinerary technical was built since the deployment phase up to the organic coffee production. The inputs used (labor, machine hours, pesticides, fertilizers, etc.) converted into energy units, quantified the energy input, while the production of organic coffee beans benefited was constituted the energy output. Data collection was based on an intentional and non-probabilistic sampling. Nine farmers were interviewed whose main source of income was the coffee production and had keep records of the culture data. The balances were positive, with an energy yield of 626.465MJ.ha-1, compared to an energy expenditure of 112.998MJ.ha-1 during the crop cycle. It is concluded that organic coffee production is energy efficient.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Ciência dos Materiais - FEIS
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Pós-graduação em Geografia - IGCE
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Pós-graduação em Medicina Veterinária - FMVZ 33004064022P3