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Chemical Composition and Immunomodulatory Activity of Mycelia of the Hairy Bracket Mushroom, Trametes hirsuta (Higher Basidiomycetes)

文献类型： 外文期刊

作者： Ma, Rongxia 1 ; Yang, Rongling 2 ; Liu, Xueming 2 ; Chen, Zhiyi 2 ; Yang, Chunying 3 ; Wang, Siyuan;

作者机构： 1.Guangdong Acad Agr Sci, Sericultural & Agri Food Res Inst, Guangzhou, Guangdong, Peoples R China

2.Guangdong Acad Agr Sci, Sericultural & Agri Food Res Inst, Guangzhou, Guangdong, Peoples R China; Minist Agr, Key Lab Funct Foods, Guangzhou, Guangdong, Peoples R China; Guangdong Key Lab Agr Prod Proc, Guangzhou, Guangdong, Peoples R China

3.Guangdong Acad Agr Sci, Sericultural & Agri Food Res Inst, Guangzhou, Guangdong, Peoples R China; Minist Agr, Key Lab Funct Foods, Guangzhou, Guangdong, Peoples R China; Guangdong Key Lab Agr Prod Pro

关键词： medicinal mushrooms;Trametes hirsuta;mycelia;chemical composition;immunomodulatory activity

期刊名称：INTERNATIONAL JOURNAL OF MEDICINAL MUSHROOMS （ 影响因子：1.921； 五年影响因子：1.879 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： Trametes hirsuta is a medicinal mushroom that produces laccase. Its mycelium is a by-product when this species is used for laccase production. Aiming to develop its potential medicinal value, we investigated the chemical composition and immunomodulatory activity of Trametes hirsuta mycelia (THM). Dried THM contained 26.06% protein, 1.15% fat, 57.87% carbohydrates, and 5.47% ash. Sixteen free amino acids (2.63% total content) and 6 5'-nucleotides (adenosine 5'-monophosphate, cytidine 5'-monophosphate, guanosine 5'-monophosphate, tuidine 5'-monophosphate, xanthosine 5'-monophosphate, and inosine 5'-monophosphate) constituting 0.275% were detected. Dominant sugars and polyols were fructose (2.47%), mannitol (2.03%), and glucose (1.8%); trehalose and arabinose contents were less than 0.10%. Evaluation of immunomodulatory activity in mice showed that THM could improve macrophage phagocytic function and serum hemolysin concentrations, but only the low-dose group significantly enhanced the natural killer cell activity and increased the spleen index, and only the middle-dose group remarkably increased the thymus index. Therefore, Trametes hirsuta mycelia could enhance immune function in mice and have immunomodulatory activity.

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