A chemical study of the alkaloids of the stem bark of Rauwolfia amsoniaefolia A. DC. (Family Apocynaceae)
The reddish-brown crude total alkaloids were obtained from the powdered, dried stem bark of Rauwolfia amsoniaefolia A. DC. The impurities such as fats and resins were subsequently removed to obtain the glossy brown purified total alkaloids. Analysis by thin layer chromatography was done on the chlor...
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