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Effect of species variation and processing on phenolic composition and in vitro antioxidant activity of aqueous extracts of Cyclopia spp. (honeybush tea)

Joubert E. Richards E.S. Van Der Merwe J.D. De Beer D. Manley M. Gelderblom W.C.A. (2008)

The in vitro antioxidant activity of aqueous extracts prepared from four Cyclopia spp. (unfermented and fermented) was assessed using radical (ABTS •+) scavenging, ferric ion reduction, and inhibition of Fe 2+-induced ...
Use of NIRS for quantification of mangiferin and hesperidin contents of dried green honeybush (Cyclopia genistoides) plant material

Joubert E. Manley M. Botha M. (2006)

Cyclopia genistoides, normally used for the preparation of an herbal tea, honeybush, is a good source of the bio-active compounds mangiferin and hesperidin and is in demand for the preparation of xanthone-enriched extracts. ...

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