A chemical investigation of the leaves of Piper nigrum L. (Fam. Piperaceae)
By continuous extraction of the powdered and dried leaves of Piper nigrum L. (Fam. Piperaceae), three crude extracts were obtained - alcohol, ether, and ethyl acetate. Preliminary testings revealed the presence of alkaloids in both the alcohol and ether extracts. None of the extracts contained tanni...
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