“…The following chemicals and biochemicals were obtained from Sigma-Aldrich Chemical Companies, (St. Louis MO, USA): 1-chloro-2, 4-dinitrobenzene (CDNB), glutathione (GSH), hexylglutathione, ethacrynic acid, EDTA, DDT, NaN 3 , BSA, tris-(hydroxymethyl) amino methane (Trizma base), yeast extract, glycerol, tryptone, ampicillin, isopropyl thiogalactoside (IPTG), chicken egg white lysozyme, molecular weight markers.. The isofuranonaphthoquinones (Mr13/4 and Mr11/2) were extracted from Bulbine species [18], 14-hydroxy, 8, 15-diacetoxy-1(10)4, 11(13)germacratrien-12,6-olide (Jb42c) was extracted from Dicoma anomala, knipholone anthrone, (12KA) was extracted from Knipholfia foliosa, prinoidin (2QG1) and geshoidin were extracted from Rhamnus prinoides [19], PE10 was extracted from Plumera rubra [20], DE6 was from Dorstenia elliptica [21], GGI, Tral-1 and Tral-4 were extracted from Garcinia species. The natural products GG1, JB42c, Tral1 and Tral-4 were extracted from the above mentioned plants using the following general protocol.…”