Comparative Anti-oxidant Activity of Aqueous and Organic Extracts from Kenyan Ruellia lineari-bracteolata and Ruellia bignoniiflora Journal title: European Journal of Medicinal Plants Authors: Christine O. Wangia, Jennifer A. Orwa, Francis W. Muregi, Patrick G. Kareru, Kipyegon Cheruiyot, Jap... Subject(s):