Response surface methodology-based optimization of Inonotus hispidus' liquid fermentation medium and evaluation of its exopolysaccharide activities

文献类型： 外文期刊

第一作者： Gao, Yuhan

作者： Gao, Yuhan;Li, Xiaomin;Xu, Hui;Wu, Xiaoping;Fu, Junsheng;Gao, Yuhan;Li, Xiaomin;Xu, Hui;Wu, Xiaoping;Fu, Junsheng;Sun, Huijuan;Zhang, Junli

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关键词： Inonotus hispidus; exopolysaccharides (EPS); response surface optimization; antioxidation; anticancer

期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：4.5； 五年影响因子：5.2 ）

ISSN：

年卷期： 2024 年 15 卷

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收录情况： SCI

摘要： Introduction: Inonotus hispidus, commonly referred to as the Sanghuang mushroom, is a species that is consumed as a tea. To date, this is the only species of the same fungus that has been successfully cultivated. Methods: A single-factor test was conducted using Inonotus hispidus MS-5 and MS-9 as test materials. The response surface methodology was adopted to design and optimise the liquid fermentation medium for them. Results: As indicated in the results, the optimum fermentation conditions for MS-5 include 24.09 g/L glucose, 7.88 g/L yeast extract, 0.99 g/L dandelion powder, 1.5 g MgSO4, 2 g KH2PO4, 0.01 g vitamin B1, and 1 L deionized water; the optimum fermentation conditions for MS-9 include 24.64 g/L glucose, 7.77 g/L yeast extract, 0.98 g/L dandelion powder, 1.5 g MgSO4, 2 g KH2PO4, 0.01 g vitamin B-1, and 1 L deionized water. Under such conditions, the mycelial biomass (dry weight) values were able to reach 16.02 g/L and 14.91 g/L for MS-5 and MS-9, respectively, which were 1.6 and 1.54 times those measured before optimization. Discussion: As revealed in the antioxidant and anticancer experiment, Inonotus hispidus exopolysaccharides has corresponding functional effects at the cellular level. This research optimised the liquid culture formulation of Inonotus hispidus and demonstrated that the function of it as a traditional Sanghuang herbal tea is well-documented.

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