Antioxidant activity of Phellinus igniarius fermentation mycelia contributions of different solvent extractions and their inhibitory effect on α-amylase
文献类型： 外文期刊
作者： Dong, Yating 1 ; Wang, Tao 1 ; Gan, Bingcheng 1 ; Wasser, Solomon P. 3 ; Zhang, Zhiyuan 5 ; Zhao, Jin 1 ; Duan, Xinlian 1 ; Cao, Luping 1 ; Feng, Rencai 1 ; Miao, Renyun 1 ; Yan, Junjie 1 ; Wu, Zhi 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Urban Agr, 36 Lazi East Rd,Tianfu New Area, Chengdu 610000, Peoples R China
2.Natl Agr Sci & Technol Ctr NASC, 36 Lazi East Rd,Tianfu New Area, Chengdu 610000, Peoples R China
3.Univ Haifa, Int Ctr Biotechnol & Biodivers Fungi, Inst Evolut, IL-31999 Haifa, Israel
4.Univ Haifa, Fac Nat Sci, IL-31905 Haifa, Israel
5.Sichuan Acad Agr Sci, Inst Agr Resources & Environm, SAAS, Inst Edible Fungi, Shizishan Rd 4, Chengdu 610066, Peoples R China
关键词： Phellinus igniarius QB72; Fermentation mycelia; Polysaccharides; alpha-amylase inhibitory
期刊名称：HELIYON （ 影响因子：4.0； 五年影响因子：4.1 ）
ISSN：
年卷期： 2024 年 10 卷 1 期
页码：
收录情况： SCI
摘要： Phellinus spp. have historically been used as traditional medicines to treat various diseases owing to their antioxidant, antitumor, and antidiabetic activities. Polysaccharides exhibit antidiabetic activity. In the present study, the polysaccharide contents of four Phellinus strains were compared. Phellinus igniarius QB72 possessed higher polysaccharide production, stronger 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging, and alpha-amylase inhibitory activity. The three polysaccharides were sequentially extracted and partially purified from the fermentation mycelia using hot water, 1 % (NH4)(2)C2O4, and 1.25 M NaOH. Hot water extract polysaccharides exhibited higher DPPH radical scavenging and strong inhibitory activity against alpha-amylase with an IC50 value of 6.84 +/- 0.37 mg/mL. The carbohydrate content of A1 (approximately 17457 Da) was approximately 88.28 %. The alpha-amylase inhibitory activity IC50 was decreased (3.178 +/- 0.187 mg/mL) after DEAE water elution. P. igniarius QB72 hot-water extracts of partially purified polysaccharides have great potential as alpha-amylase inhibitors in food and medication-assisted additives.
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