Natural Product Letters

Quinovic acid glycosides from Mitragyna stipulosa--first examples of natural inhibitors of snake venom phosphodiesterase I.

Pub Date : 2002-12-01 DOI: 10.1080/10575630290033169 Naheed Fatima, Leon Azefack Tapondjou, David Lontsi, B L Sondengam, Atta-Ur-Rahman, M Iqbal Choudhary

Determination of colchicine content in Colchicum hierosolymitanum and Colchicum tunicatum under cultivation.

Pub Date : 2002-12-01 DOI: 10.1080/10575630290033178 M Al-Fayyad, F Alali, Ahmad Alkofahi, Abdelmajeed Tell

Microbial transformation of (+)-androsta-1 ,4-diene-3,17-dione by Cephalosporium aphidicola.

Pub Date : 2002-12-01 DOI: 10.1080/10575630290033132 M Iqbal Choudhary, S Ghulam Musharraf, Farzana Shaheen, Atta-Ur-Rahman