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Optimization of exopolysaccharides production from a novel strain of Ganoderma lucidum CAU5501 in submerged culture
Provedor de dados: 58
Autores: Yuan,Baojing; Chi,Xiaoyan; Zhang,Rijun.
This study aimed at optimizing the medium of a new Ganoderma lucidum strain CAU5501 to enhance the yield of exopolysaccharides (EPS) and mycelial growth. Firstly, the suitable level of glucose, magnesium, phosphate and C/N ratio was determined by single factor experiment. Subsequently, the optimum concentrations of these medium components were investigated using the orthogonal matrix method. The results indicated that the higher levels of EPS were correlated with the level of cell growth when glucose concentration was studied (data no show). The optimum medium for EPS yield was found to be 70 g/l glucose, 5 C/N ratio, 2.5 g/l KH2PO4, 0.75 g/l MgSO4·7H2O, and for mycelial growth was 50 g/l glucose, 5 C/N ratio, 1.5 g/l KH2PO4, 0.5 g/l MgSO4·7H2O. When...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Optimization; Exopolysaccharides; Ganoderma lucidum; Orthogonal matrix method; Submerged culture.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822012000200009