Characterization of cotton stalk as a lignocellulosic feedstock for single-cell protein production

文献类型： 外文期刊

第一作者： Zhong, Pingxiang

作者： Zhong, Pingxiang;Huo, Pengju;Ma, Lei;Li, Fuguang;Cai, Chenggu;Zhong, Pingxiang;Huo, Pengju;Ma, Lei;Li, Fuguang;Cai, Chenggu;Chen, Pengyun;Xu, Zhaoxian

作者机构：

关键词： Cotton stalk valorization; Lignocellulosic biorefinery; Lignin characterization; Single-cell protein; Candida utilis

期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.0； 五年影响因子：9.5 ）

ISSN： 0960-8524

年卷期： 2025 年 417 卷

页码：

收录情况： SCI

摘要： Cotton stalk, an important by-product of cotton farming, is challenging in lignocellulosic feedstock application due to the limited understanding of their compositional and lignin structural characteristics. This study elucidates the composition of lignocellulose components and fundamental lignin structural features of cotton stalk. Lignocellulosic hydrolysates were prepared from various cotton stalk parts and used for single-cell protein production. As a proof of concept, cotton stalk hydrolysates were successfully converted into single-cell protein using the superior microbial host, Candida utilis ACCC20060, owing to its favorable sugar consumption efficiency and high protein quality. The highest SCP concentration of 5.74 g/L was obtained, yielding 0.23 g/g from the lignocellulose-derived sugars released from cotton stalk roots. This study provides valuable references for cotton stalk utilization toward lignocellulosic feedstock application and introduces a promising microbial host for single-cell protein production from such feedstocks.

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