Liberation of acetic acid from lignocellulose during sterilization and its inhibitory effect on Lentinula edodes

文献类型： 外文期刊

第一作者： Hu, Ziyi

作者： Hu, Ziyi;Fan, Qinghao;Yang, Nuolin;Cui, Man;Duan, Yingce;Yang, Fan;Li, Jintao;Wu, Xiangli;Zhang, Ruiying

作者机构：

关键词： Edible mushroom; Lentinula edodes; Acetic acid; Lignocellulose; Inhibition

期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：4.342； 五年影响因子：4.342 ）

ISSN： 0304-4238

年卷期： 2022 年 306 卷

页码：

收录情况： SCI

摘要： The synthetic log method for cultivating Lentinula edodes is widely practiced worldwide. However, in some synthetic logs, the cultures of L. edodes grow slowly and may even not germinate after inoculation. This phe-nomenon has caused serious losses in production. The acetic anion formed in synthetic logs during sterilization was investigated in this study. It was found that the pH is a key factor impacting the release of acetic anion from lignocellulose. The concentration of acetic acid increases significantly in sawdust medium under acidic or alkaline conditions compared with neutral conditions after sterilization. The highest acetic anion concentration (140.03 mmol/kg) was detected in Carya cathayensis sawdust medium at pH 2.0. In addition, the tree species of sawdust and sterilization method affect the formation of acetic acid. Acetate in sawdust medium significantly inhibits the mycelial growth of L. edodes. The inhibitory effect increases when the pH of the medium decreases. The results shed light on the improvement of cultivation techniques for L. edodes.

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