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	Provedor de dados Anais da ABC (AABC) (1) Autor Alves,Cláudio N. (1) Ferreira,Nelson R. (1) Santos,Alberdan S. (1) Sarquis,Maria Inez M. (1) Palavra-chave Aspergillus flavus (1) Biotransformation (1) Fructose-isomerase (1) Kojic acid (1) Secondary metabolite (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2010 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Biotransformation of sucrose into 5-hydroxy-2-hydroxymethyl-γ-pirone by Aspergillus flavus Anais da ABC (AABC) Ferreira,Nelson R.; Sarquis,Maria Inez M.; Alves,Cláudio N.; Santos,Alberdan S.. The sucrose hydrolysis and the preference of consumption of glucose instead of fructose were investigated for the production of 5-hydroxy-2-hydroxymethyl-γ-pyrone (HHMP) in the presence of Aspergillus flavus IOC 3974 cultivated in liquid Czapeck medium. Standardized 0.5g of pellets were transferred as inoculum into twelve conical flasks of 250 ml containing 100 ml of medium with different sucrose concentration, which was kept at 120 rpm and 28"C for 16 days without pH adjustment. Aliquots of 500μl of the broth culture were withdrawn at 24 h intervals and analyzed. The major yield of HHMP was 26g l-1 in 120g l-1 of sucrose. At these conditions, A. flavus produced an invertase capable of hydrolyzing 65% of total sucrose concentration in 24h, and an isomerase... Tipo: Info:eu-repo/semantics/article Palavras-chave: Aspergillus flavus; Biotransformation; Kojic acid; Secondary metabolite; Fructose-isomerase. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000300004 Registros recuperados: 1 Primeira ... 1 ... Última

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