| In vivo: |
| Chinese Traditional & Herbal Drugs, 2014, 45(22):3238-45. | | Chemical constituents from Alisma orientalis extracts with hypoglycemic effect[Reference: WebLink] | To study the chemical constituents in Alisma orientalis extracts with hypoglycemic effect.
METHODS AND RESULTS:
To study the in vivo hypoglycemic effects of A. orientalis extracts, high fat diet (HFD)-induced insulin resistance male C57BL/6J mice were treated with water and ethanol extracts of A. orientalis in diet, and glucose tolerance test was carried out following the intervention. Silica gel, ODS, and preparative HPLC were used to isolate the compounds. Their chemical structures were elucidated on the basis of NMR and MS spectral data. Sixteen compounds were identified as sitosterol (1), palmitic acid (2), heptadecanoic acid (3), eicosanoic acid (4), 11-deoxy-alisol B (5), 23-acetate alisol B (6), 23-acetate Alisol C (7), alisol B (8), 24-acetate alisol A (9), alisol G (10), 24-acetate alisol F (11), alisol L (12), Alisol C (13), alisol F (14), alisol A (15), and 16-oxo-24-acetate alisol A (16), and nine of the triterpenes could improve glucose uptake in HepG2 cells.
CONCLUSIONS:
Compounds 3 and 4 are isolated from A. orientalis for the first time. The water and ethanol extracts of A. orientalis could improve glucose tolerance test. Triterpenes may be one of the therapeutic material basis in hypoglycemic activities in A. orientalis. |
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