[PDF][PDF] Flavonoid glycosides from flower of Vitex doniana (Verbenaceae)

M Mohammed, B Gabi, AG Salisu - Journal of Natural Product and …, 2017 - researchgate.net
Compound 1 and 2 were isolated as a yellow needle by repeated column chromatography
on silica gel 60 F254 and subsequent repeated gel filtration on sephadex LH20 from the n …

[PDF][PDF] Steroidal and triterpenoidal saponins from the stem bark extract of Stachytarpheta angustifolia Mill (Vahl) Verbenaceae

M Ilyas, UU Pateh, AM Musa… - Journal of Scientific and …, 2014 - academia.edu
Two saponins were isolated from the stem bark extract of Stachytarpheta angustifolia. Their
structures were established by spectroscopic and chemical analysis as (23S, 25S) …