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Comparison of the Antioxidant Activity of Aspalathin with That of Other Plant Phenols of Rooibos Tea (Aspalathus linearis), α-Tocopherol, BHT, and BHA
The antioxidant activity of aspalathin, the major flavonoid of unfermented rooibos tea, was compared with that of other polyphenols present in rooibos tea, α-tocopherol, BHT, and BHA using the
Effect of species variation and processing on phenolic composition and in vitro antioxidant activity of aqueous extracts of Cyclopia spp. (Honeybush Tea).
Overall, extracts of unfermented Cyclopia were either of similar or lower antioxidant activity as compared to the other teas, however, the presence of high levels of mangiferin merits the use of Cyclopia spp.
Phenolic Compounds from Cyclopia intermedia (Honeybush Tea). 1.
The processed leaves and stems of Cyclopia intermedia contain 4-hydroxycinnamic acid, the isoflavones formononetin, afrormosin, calycosin, pseudobaptigen, and fujikinetin, the flavanones naringenin,