The Optimization Fermentation Process of Pleurotus ferulae Polysaccharide High-yield Strain PFPH-2(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: The Optimization Fermentation Process of Pleurotus ferulae Polysaccharide High-yield Strain PFPH-2

Author(s):: CHEN Henglei; YU Mei; LYU Changwu; (Ion Beam Bio-engineering Center，Xinjiang University，Urumqi，Xinjiang 830046)

Keywords:: Pleurotus ferulae; polysaccharide high-yield strain; PFPH-2; fermentation process optimization

Abstract:: Taking Pleurotus polysaccharide high-yield strain PFPH-2 as experimental strain，the influence of nutrition factor on mycelial polysaccharide yield of PFPH-2 as well as the relevance of mycelium biomass of PFPH-2 with the pH value of fermented broth were studied through the method of nutrition factor orthogonal optimization and dynamic fermentation.The results showed that the orthogonal combination indicated a synergistic effect on the accumulation of mycelium polysaccharides of PFPH-2.In the optimal combination fermentation medium，the yield of mycelium polysaccharides of PFPH-2 increased to (903.73±1.23) mg/L by the end of fermentation.Mycelium biomass had a certain correlation with the pH of fermentation broth in fermentation system of PFPH-2.The mycelium biomass achieved the maximum amount when the pH values of fermentation broth down to low and tend to stabilization.

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Last Update: 2016-06-30