Isolation of alkaloidal constituents of zanthoxylum usambarense and zanthoxylum chalybeum using ion-pair hplc

Citation:
Kato A;, Moriyasu M;, Ichimaru M;, Nishiyama Y;, D.; F, Nganga JN;, Mathenge SG;, Ogeto JO. "Isolation of alkaloidal constituents of zanthoxylum usambarense and zanthoxylum chalybeum using ion-pair hplc.". 1995.

Abstract:

Quaternary alkaloids of two Kenyan medicinal plant belonging to the genus Zanthoxylum, Z. usambarense and Z_ chalybeum, were examined using ion-pair HPLC. Both plants contained similar alkaloids, but colored protoberberines were found only in Z. chalybeum. From the stems of Z. usambareni e a new alkaloid named usambanoline (I) was isolated and characterized,

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