Cultivated Fruit Body of Phellinus baumii: A Potentially Sustainable Antidiabetic Resource
文献类型： 外文期刊
作者： Yang, Kai 1 ; Zhang, Su 1 ; Ying, Youmin 2 ; Li, Yougui 3 ; Cai, Ming 1 ; Guan, Rongfa 1 ; Hu, Junrong 4 ; Sun, Peilong 1 ;
作者机构： 1.Zhejiang Univ Technol, Coll Food Sci & Technol, Hangzhou 310014, Peoples R China
2.Zhejiang Univ Technol, Coll Pharmaceut Sci, Hangzhou, Peoples R China
3.Zhejiang Acad Agr Sci, Sericultural Res Inst, Hangzhou 310021, Peoples R China
4.Hangzhou Wahaha Grp Co Ltd, Res Inst Food Sci, Hangzhou 310018, Peoples R China
期刊名称：ACS OMEGA （ 影响因子：3.512； 五年影响因子：3.613 ）
ISSN： 2470-1343
年卷期： 2020 年 5 卷 15 期
页码：
收录情况： SCI
摘要： Previous studies have been reported that the fruit body of wild Phellinus baumii alleviates diabetes, and antioxidants are beneficial to diabetes by protecting the beta-cell from damage due to oxidative stress. Large-scale cultivation of P. baumii fruit body has been successful in the past decade. This paper aimed to investigate whether the fruit body of the cultivated P. baumii has the same analogical effects as the wild. The cultivated P. baumii fruit body was extracted by 80% of ethanol extracts, and different fractions were obtained with the successive use of petroleum ether, ethyl acetate (EtOAc), n-butanol (n-BuOH), and water, which yielded 15.98 +/- 1.56, 1.74 +/- 0.34, 3.31 +/- 0.41, 4.12 +/- 0.37, and 1.38 +/- 0.26% extract recovery, respectively. Results show that the EtOAc fraction exhibits the highest inhibitory effect on alpha-glucosidase activity (IC50 = 49.05 +/- 3.14 mu g mL(-1)), which is an order of magnitude higher than the positive control (acarbose, IC50 = 645.73 +/- 7.86 mu g mL(-1)). It was mainly composed of phenolic compounds with a purity of 79.45% and characterized by liquid chromatography-mass spectrometry as osmudacetone, hispidin, davallialactone, 2,5-bis(4,7-dihydroxy-8-methyl-2-oxo-2H-chromen-3-yl)cyclohexa-2,5-diene-1,4-dione, hypholomin B, and inoscavin A. Furthermore, the EtOAc fraction increased the glucose consumption of insulin-resistant HepG2 cells at a concentration range of 25-100 mu g mL(-1). The EtOAc fraction also demonstrated antioxidant activities by scavenging 1,1-diphenyl-2-picrylhydrazyl, 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)diammonium salt, and hydroxyl radicals. In conclusion, the EtOAc fraction of the cultivated P. baumii fruit body exerted effective antidiabetic effects, possibly due to the high content of selective phenolic compounds. Hence, the cultivated fruit body of P. baumii can be a sustainable resource for treating diabetes, and our work also shed some light on its future utilization.
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