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  • Title: Depside α-glucosidase inhibitors from a culture of the mushroom Stereum hirsutum.
    Author: Wang BT, Qi QY, Ma K, Pei YF, Han JJ, Xu W, Li EW, Liu HW.
    Journal: Planta Med; 2014 Jul; 80(11):918-24. PubMed ID: 25029175.
    Abstract:
    Nine new isoprenylated depsides, sterenins E-M (1-9), as well as five known compounds (10-14), were isolated from the solid culture of Stereum hirsutum. The structures of the new compounds were elucidated by spectroscopic methods. Their inhibitory activities against yeast α-glucosidase were evaluated in vitro. Compounds 1-4 and 7-14 showed inhibitory activities with IC50 values of 7.62, 3.06, 6.03, 22.70, 36.64, 13.09, 27.52, 25.10, 12.32, 3.31, 23.82, and 14.17 µM, respectively. Compounds 5 and 6 showed no inhibitory activities with IC50 values higher than 50 µM. Therefore, the culture of S. hirsutum and its secondary metabolites could have a potential usage for the development of hypoglycemic drugs.
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