A review of natural products and plants as potential antidiabetic drugs.

The present paper reviews the active, natural principles and crude extracts of plants which have been experimentally studied for hypoglycemic activity in the last ten years. Phytoconstituents with known structures have been classified in appropriate chemical groups and the active crude extracts have been listed alphabetically according to genus. Data are reported on their pharmacological activity, mechanism of action, toxicity and other properties.

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