Effects of Several Mineral Elements on Mycelial Growth and Exopolysaccharide Production of Pholiota adiposa

Abstract

Abstract: The plate culture and liquid culture were adopted to investigate the effects of different concentrations of several mineral elements on the exopolysaccharide production and mycelial growth of Pholiota adiposa in this study. The results of monofactorial analysis showed that the optimal concentrations of several mineral elements for mycelial growth on plate medium are NaNO3 0.5%,Na2HPO4 0.05%,FeSO4 0.012%,MgSO4 0.24%,and ZnSO4 0.018% respectively; As far as liquid culture is concerned,the optimal concentrations for producing exopolysaccharide are NaNO3 0.70%,Na2HPO4 0.05%,FeSO4 0.006%,MgSO4 0.20%,and ZnSO4 0.006% respectively,and the optimal concentrations for mycelial growth are NaNO3 0.5%,Na2HPO4 0.05%,FeSO4 0.012%,MgSO4 0.24%,and ZnSO4 0.018% respectively.

Key words: Pholiota adiposa, mineral elements, exopolysaccharide, mycelia yield

HUANG Qing-Rong, ZHANG Heng-Ji, ZHANG Li, HAN Li-Ya, ZHAO Fei. Effects of Several Mineral Elements on Mycelial Growth and Exopolysaccharide Production of Pholiota adiposa[J]. FOOD SCIENCE, 2008, 29(10): 408-413.

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Effects of Several Mineral Elements on Mycelial Growth and Exopolysaccharide Production of Pholiota adiposa

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