Activity of aqueous extract of the bark of Vitex doniana on uterine muscle response to drugs.

The activity of Vitex doniana on the uterine muscle response was investigated. The bark of Vitex doniana was extracted in boiled water at 100 degrees C, and the extracted solution filtered and centrifuged with refrigeration. The extract prepared from the dry powder extract was tested on uterine muscle strip preparations.

Hypoglycemic properties of aqueous bark extract of Ceiba pentandra in streptozotocin-induced diabetic rats.

The claim by Nigerian traditional herbal medicine practitioners that the silk cotton tree, Ceiba pentandra L. Gaertn (Bombacaceae) barks extract has antidiabetic properties was investigated. Diabetes mellitus was induced with streptozotocin and graded doses of the aqueous bark extract were then administered ad libitum in drinking water to the experimentally diabetic rats for 28 days.