2009
DOI: 10.1590/s1413-70542009000700048
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Parâmetros cinéticos de linhagens de levedura isoladas de alambiques mineiros

Abstract: RESUMOForam isoladas leveduras prevalescentes de dois alambiques, em Betim e Rio Manso/MG, por meio de plaqueamento (WLN) e caracterizadas segundo a macromorfologia de colônias, após 8 dias de incubação a 32 o C. A amostra de Rio Manso apresentou 4 linhagens dominantes, com concentrações entre 2,0 x 10 7 e 4,0 x 10 5 UFC/mL. No alambique de Betim foram isoladas três linhagens dominantes, com contagens entre 1,3 x 10 8 e 2,0 x 10 4 UFC/mL. Foram determinados a velocidade específica máxima de crescimento (µmax) … Show more

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Cited by 11 publications
(12 citation statements)
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“…In order to evaluate the effect on the microorganisms, the original and clarified juices were inoculated into three different specific culture media: WLN (yeast) (Stroppa et al, 2009), MRS (lactic acid bacteria) (Man et al, 1960), and PCA (total microorganisms) (Foods and Drugs Administration of United States of America, 1995), and the results were expressed as colony-forming units (CFU/mL).…”
Section: Methodsmentioning
confidence: 99%
“…In order to evaluate the effect on the microorganisms, the original and clarified juices were inoculated into three different specific culture media: WLN (yeast) (Stroppa et al, 2009), MRS (lactic acid bacteria) (Man et al, 1960), and PCA (total microorganisms) (Foods and Drugs Administration of United States of America, 1995), and the results were expressed as colony-forming units (CFU/mL).…”
Section: Methodsmentioning
confidence: 99%
“…This result is explained by the short steady phase and longer exponential phase. During the latter phase, the growth rate was proportional to the cell concentration, and the specific rate of cell proliferation was constant (Stroppa et al, 2009).Medium 26 contained higher concentrations of peptone and yeast extract and a lower concentration ammonium nitrate than medium 14. The fact that that rate of cell growth observed in medium 26 was lower than that in medium 14 indicates that the ready availability of nitrogen is more important than the source of carbon or a source of nitrogen the requires metabolization to release the nitrogen (peptone and yeast extract).…”
Section: Resultsmentioning
confidence: 99%
“…8º A massa total de sacarose do processo é a soma da massa total de sacarose catabolizada com a sacarose residual. A velocidade máxima especifica de crescimento (µmáx) é obtido pelo coeficiente angular da reta ajustada aos valores obtidos na fase exponencial do crescimento celular, pois nesta fase de crescimento a velocidade especifica é constante e máxima, ou seja, µx = µmáx (HISS, 2001;STROPPA et al, 2009). Nestas circunstancia, onde a velocidade de crescimento é diretamente proporcional a concentração (X) em função do tempo, é possível chegar na equação 13.…”
Section: Alcoholic Fermentation Of Molasses With High Sugar Concentraunclassified
“…Nestas circunstancia, onde a velocidade de crescimento é diretamente proporcional a concentração (X) em função do tempo, é possível chegar na equação 13. (HISS, 2001;STROPPA et al, 2009).…”
Section: Alcoholic Fermentation Of Molasses With High Sugar Concentraunclassified
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