Effect of storage on the chemical composition and biological activity of several popular South African medicinal plants.
Stafford GI, Jäger AK, van Staden J.
Stafford GI, et al.
J Ethnopharmacol. 2005 Feb 10;97(1):107-15. doi: 10.1016/j.jep.2004.10.021. Epub 2004 Dec 13.
J Ethnopharmacol. 2005.
PMID: 15652284
The plants investigated were Alepidea amatymbica, Leonotis leonurus, Drimia robusta, Vernonia colorata, Merwilla natalensis, Eucomis autumnalis, Bowiea volubilis, Helichrysum cymosum and Siphonochilus aethiopicus. Water, ethanol and hexane extracts of fresh, 90-day-old and …
The plants investigated were Alepidea amatymbica, Leonotis leonurus, Drimia robusta, Vernonia colorata, Merwilla natalensis, Eucomis autumna …