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	Provedor de dados BJM (1) Autor Blanco,Alina Sánchez (1) Durive,Osmar Palacios (1) Guerra,Nelson Pérez (1) Montes,Zoraida Díaz (1) Pérez,Sulema Batista (1) Palavra-chave Amylases (1) Bacillus subtilis (1) Brewery wastes (1) Proteases (1) Response surface methodology (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2016 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Simultaneous production of amylases and proteases by Bacillus subtilis in brewery wastes BJM Blanco,Alina Sánchez; Durive,Osmar Palacios; Pérez,Sulema Batista; Montes,Zoraida Díaz; Guerra,Nelson Pérez. ABSTRACT The simultaneous production of amylase (AA) and protease (PA) activity by Bacillus subtilis UO-01 in brewery wastes was studied by combining the response surface methodology with the kinetic study of the process. The optimum conditions (T = 36.0 °C and pH = 6.8) for high biomass production (0.92 g/L) were similar to the conditions (T = 36.8 °C and pH = 6.6) for high AA synthesis (9.26 EU/mL). However, the maximum PA level (9.77 EU/mL) was obtained at pH 7.1 and 37.8 °C. Under these conditions, a considerably high reduction (between 69.9 and 77.8%) of the initial chemical oxygen demand of the waste was achieved. In verification experiments under the optimized conditions for production of each enzyme, the AA and PA obtained after 15 h of incubation... Tipo: Info:eu-repo/semantics/article Palavras-chave: Amylases; Bacillus subtilis; Brewery wastes; Proteases; Response surface methodology. Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822016000300665 Registros recuperados: 1 Primeira ... 1 ... Última

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