Study on the Structure and Bioactivity of Ganoderma lucidum Polysaccharides under Cassava Stalk Stress
文献类型： 外文期刊
作者： Liu, Yijun 1 ; Mai, Biyi 1 ; Li, Zhiyun 2 ; Feng, Xingqin 3 ; Chen, Yunlan 3 ; Lin, Lijing 1 ; Xia, Qiuyu 2 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Hainan Key Lab Storage & Proc Fruits & Vegetables, 48 Renmindadaonan, Zhanjiang 524001, Peoples R China
2.Guangdong Ocean Univ, Coll Food Sci & Technol, 1 Haida Rd, Zhanjiang 524088, Peoples R China
3.Yunnan Agr Univ, Coll Trop Crops Inst, Puer 650201, Peoples R China
4.Minist Agr & Rural Affairs, Key Lab Trop Crop Prod Proc, Zhanjiang 524001, Peoples R China
关键词： cassava stalk; Ganoderma lucidum; polysaccharide; structure; antioxidant activity in vitro
期刊名称：JOURNAL OF FUNGI （ 影响因子：4.7； 五年影响因子：5.2 ）
ISSN：
年卷期： 2023 年 9 卷 5 期
页码：
收录情况： SCI
摘要： Various carbon sources affect the growth of the G. lucidum fruiting body, and the cassava stalk is considered a promising carbon source for G. lucidum. The composition, functional group characteristics, molecular weight distribution, antioxidant activity in vitro, and growth effect of L. rhamnosus LGG of G. lucidum polysaccharides (GLPs) under cassava stalk stress were investigated by gas chromatography-mass spectrometry, near-infrared spectroscopy, and gel chromatography. The results showed that GLPs consisted of D-glucose, D-galactose, and seven other monosaccharides. The end of the sugar chain had beta-D-Glc and beta-D-Gal configurations. The total sugar content in GLP1 was the highest (4.07%), and GLP1, GLP2, GLP3, and GLP5 had the beta-D-Gal configuration, while GLP4 and GLP6 had the beta-D-Glc configuration. The greater the proportion of cassava stalk, the greater the maximum molecular weight of GLPs. The total antioxidant capacities of GLPs obtained from different cassava stalks significantly varied, as well as their stimulating effects on the L. rhamnosus LGG growth. Higher concentrations of GLPs corresponded to the more intensive growth of L. rhamnosus LGG. This study provided essential data support for cassava stalk as a carbon source in G. lucidum cultivation.
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