Effect of Different Carbon Sources on Antioxidant Properties of Exopolysaccharides Produced by Scleroderma areolatum (Agaricomycetes)

IF 1.4 4区生物学 Q4 MYCOLOGY International journal of medicinal mushrooms Pub Date : 2023-12-01 DOI:10.1615/intjmedmushrooms.2023052044

Gaolei Xi, Changtong Lu, Yihong Wu, Zhifei Chen, Kejing Xu, Xuewei Jia, Zhiwei Zhao, Chun-Ping Xu, Qiuling Wang

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Abstract

Five kinds of exopolysaccharides (EPS) were obtained by fermentation of Scleroderma areolatum Ehrenb. with sucrose, glucose, maltose, lactose, and fructose as carbon sources. Antioxidant abilities of the obtained EPSs were evaluated by inhibiting AAPH, HO·, and glutathione (GS·) induced oxidation of DNA and quenching 2,2’-azinobis (3-ethylbenzothiazoline-6-sulfonate) cationic radical (ABTS·) and galvinoxyl radicals. The effects of carbon sources on the antioxidant properties of EPSs could be examined. The results showed that five EPSs can effectively inhibit radicals induced oxidation of DNA, and the thiobarbituric acid reactive substances (TBARS) percentages were 44.7%-80.8%, 52.3%-77.5%, and 44.7%-73.3% in inhibiting AAPH, HO·, and GS· induced oxidation of DNA, respectively. All five EPSs could scavenge ABTS·and Galvinoxyl·, and exhibit superior activity in scavenging free radicals. Antioxidant abilities of EPS with fructose as carbon source were highest among five EPS.

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不同碳源对姬松茸（Scleroderma areolatum）产生的外多糖抗氧化性的影响

以蔗糖、葡萄糖、麦芽糖、乳糖和果糖为碳源，通过发酵Scleroderma areolatum Ehrenb.获得了五种外多糖（EPS）。通过抑制 AAPH、HO- 和谷胱甘肽（GS-）诱导的 DNA 氧化，以及淬灭 2,2'-偶氮双（3-乙基苯并噻唑啉-6-磺酸）阳离子自由基（ABTS-）和半乙酰基自由基，评估了所获 EPS 的抗氧化能力。研究还考察了碳源对 EPS 抗氧化性的影响。结果表明，5种EPS能有效抑制自由基对DNA的氧化作用，在抑制AAPH、HO-和GS-对DNA的氧化作用时，硫代巴比妥酸活性物质（TBARS）的抑制率分别为44.7%-80.8%、52.3%-77.5%和44.7%-73.3%。这五种 EPS 均能清除 ABTS 和 Galvinoxyl-，并在清除自由基方面表现出卓越的活性。以果糖为碳源的 EPS 的抗氧化能力在五种 EPS 中最高。

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来源期刊

International journal of medicinal mushrooms 医学-药学

CiteScore

2.60

自引率

16.70%

发文量

审稿时长

6-12 weeks

期刊介绍： The rapid growth of interest in medicinal mushrooms research is matched by the large number of disparate groups that currently publish in a wide range of publications. The International Journal of Medicinal Mushrooms is the one source of information that will draw together all aspects of this exciting and expanding field - a source that will keep you up to date with the latest issues and practice. The International Journal of Medicinal Mushrooms published original research articles and critical reviews on a broad range of subjects pertaining to medicinal mushrooms, including systematics, nomenclature, taxonomy, morphology, medicinal value, biotechnology, and much more.