The occurrence of phenylpyruvic acid in woody plants: Biosynthetic significance

South African herbal teas: Aspalathus linearis, Cyclopia spp. and Athrixia phylicoides—A review

“…i Koeppen et al (1962); identification by NMR. j Marais et al (1996); identification by NMR. k Krafczyk and Glomb (2008).…”

Commercially Important Medicinal Plants of South Africa: A Review

“…Other major phenolic compounds present in rooibos include �avones (orientin, isoorientin, vitexin, isovitexin, luteolin, and chrysoeriol), �avanones (dihydro-orientin, dihydro-isoorientin, and hemiphlorin), and �avonols (quercetin, hyperoside, isoquercitrin, and rutin) [52,[57][58][59][60]. Phenolic acids, lignans, �avone diglycosides, (�)-catechin, a phenylpyruvic acid glycoside, the �avonol quercetin-3-O-robinobioside, and the coumarins, esculetin and esculin have also been identi�ed [52,[61][62][63][64].…”

Antioxidants of Rooibos Beverages

“…A novel compound, 5,7-dihydroxy-6-C-β-D-glucopyranosyl chromone, is postulated to form from dihydro-isoorientin during fermentation (Ferreira et al, 1995). Another novel compound in rooibos is the enolic phenylpyruvic acid glucoside (Marais et al, 1996;Joubert et al, 2013). Another novel compound in rooibos is the enolic phenylpyruvic acid glucoside (Marais et al, 1996;Joubert et al, 2013).…”