PMID: 11933140Apr 5, 2002Paper

The in vitro antioxidative activity of some traditional Zulu medicinal plants

Phytotherapy Research : PTR
A R OpokuS E Terblanche

Abstract

Methanol extracts prepared separately from the roots, stems and leaves of four traditional Zulu medicinal plants (Rhoicissus digitata, R. rhomboidea, R. tomentosa and R. tridentata) were tested for their antioxidant activity. The extracts of R. rhomboidea and R. tridentata inhibited the activities of the 1, 1'-diphenyl-2-picryhydrazyl free radical, xanthine oxidase, and also prevented production of thiobarbituric acid reactive substances and free radical mediated DNA sugar damage. The extracts had a strong chelating effect on Fe(2+) ions. R. digitata and R. tomentosa extracts, however, possessed some prooxidative properties at high concentrations. In view of these results, it is apparent that the antioxidative activity of these Zulu medicinal plants plays an important role in the healing of the various diseases that they are used for.

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Citations

Feb 24, 2005·Mutation Research·Vanessa SteenkampMary Gulumian
Oct 27, 2016·Journal of Ethnopharmacology·A Moteetee, L Seleteng Kose
Jul 3, 2007·Phytotherapy Research : PTR·Muralikrishnan DhanasekaranBala V Manyam
Dec 8, 2007·Phytotherapy Research : PTR·Muralikrishnan DhanasekaranBala V Manyam
Sep 24, 2005·Phytotherapy Research : PTR·Binu TharakanBala V Manyam
Aug 2, 2017·Journal of the Science of Food and Agriculture·Ashok K DhakadAvtar Singh
Jan 1, 2019·Evidence-based Complementary and Alternative Medicine : ECAM·Mary GulumianVanessa Steenkamp
May 1, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Nondumiso P DubeAmanda-Lee Manicum

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