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Study On the Liquid Fermentation Medium Optimization of Ganoderma lucidum HG

Dou Yan-ping

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Abstract

The growth speed of Ganoderma lucidum HG and Ganoderma applanatumuan was compared,0.770cm·d-1 and 0.67 cm·d-1 respectively.The effect of the ratio of C/N and the combination of medium were tested in liquid culture.The results showed that the better C/N was 20-24:1,the perfect was 22:1.The optimal fermentation medium were investigated by the contrast experiment and orthogonal devices.The optimum ingredient combination(g/L):glucose 10.0,corn powder 20.0,soya flour 20.0,yeast extract 5.0.In the conditions,the maximal biomass was 23.12g·L/-1.

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What this paper is about

The growth speed of Ganoderma lucidum HG and Ganoderma applanatumuan was compared,0.770cm·d-1 and 0.67 cm·d-1 respectively.The effect of the ratio of C/N and the combination of medium were tested in liquid culture.The results showed that the better C/N was 20-24:1,the perfect was 22:1.The optimal fermentation medium were investigated by the contrast experiment and orthogonal devices.The optimum ingredient combination(g/L):glucose 10.0,corn powder 20.0,soya flour 20.0,yeast extract 5.0.In the conditions,the maximal biomass was 23.12g·L/-1.

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Available abstract

The growth speed of Ganoderma lucidum HG and Ganoderma applanatumuan was compared,0.770cm·d-1 and 0.67 cm·d-1 respectively.The effect of the ratio of C/N and the combination of medium were tested in liquid culture.The results showed that the better C/N was 20-24:1,the perfect was 22:1.The optimal fermentation medium were investigated by the contrast experiment and orthogonal devices.The optimum ingredient combination(g/L):glucose 10.0,corn powder 20.0,soya flour 20.0,yeast extract 5.0.In the conditions,the maximal biomass was 23.12g·L/-1.

Key concepts: Ganoderma lucidum, Ingredient, Fermentation, Food science, Chemistry, Yeast extract, Liquid medium, Ganoderma

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