February 2009

Anthocyanins from leaf stalks of cassava (Manihot esculenta Crantz)

  The anthocyanins, cyanidin 3-O-(6’’-O-a-rhamnopyranosyl-b-glucopyranoside) (1) and delphinidin 3-O-(6’’-O-a-rhamnopyranosyl-b-glucopyranoside) (2) isolated from the leaf stalks of cassava (Manihot esculenta Crantz) by a combination of chromatographic techniques, and their structures were elucidated mainly by the use of homo- and heteronuclear magnetic resonance spectroscopy. The...

Author(s): Robert Byamukama, Jane Namukobe and Bernard Kiremire

February 2009

Phytochemical screening and toxicity studies of the aqueous extract of the pods pulp of Cassia sieberiana DC. (Cassia Kotchiyana Oliv.)

  The study was conducted to screen for the phytochemical constituents of Cassia sieberiana. The acute toxicity value and the effect of the aqueous extract of the pods of C. sieberiana on serum transaminases and alkaline phosphatase (ALP) were also measured in rats after five weeks of daily oral administration of grade doses (200 - 1600 mg/kgbody weight) of the extract. Phytochemical...

Author(s): I. Toma, Y. Karumi and M. A. Geidam