Three Triterpenoids from the Leaf Extract of Vitex doniana (Verbenaceae)
M. Mohammed *
National Research Institute for Chemical Technology, P.M.B 1052, Zaria, Nigeria.
A. Danmallam
National Research Institute for Chemical Technology, P.M.B 1052, Zaria, Nigeria.
U. M. Jajere
National Research Institute for Chemical Technology, P.M.B 1052, Zaria, Nigeria.
M. T. Kolo
National Research Institute for Chemical Technology, P.M.B 1052, Zaria, Nigeria.
A. Abubakar
National Research Institute for Chemical Technology, P.M.B 1052, Zaria, Nigeria.
J. M. Babakano
National Research Institute for Chemical Technology, P.M.B 1052, Zaria, Nigeria.
*Author to whom correspondence should be addressed.
Abstract
Three triterpeniods were isolated from the leaf extract of Vitex doniana (Verbenaceae). Their structures were established mainly by FTIR, FABMS, highresolution(1Dand 2D) spectroscopic and chemical analysis as 1α, 3β-dihydroxybauer-7-en-28 oicacid(1), 2β, 3β, 19α, 24-tetrahydroxy-23-norus- 12-en- 28-oic acid(2) and (3β, 5a, 7β)-3,7-dihydroxy-4, 4, 14-trimethyl-11, 15-dioxochol-8-en-24-oic acid (3).
Keywords: Vitex doniana, Verbenaceae; leaf extract, triterpeniods, high resolution (1D and 2D).