Superoxide anion and , -diphenyl- -picrylhydrazyl radical scavenging capacity of rooibos (Aspalathus linearis) aqueous extracts, crude phenolic fractions, tannin and flavonoids

Author： Joubert E.   Winterton P.   Britz T.J.   Ferreira D.  

Publisher： Elsevier

ISSN： 0963-9969

Source： Food Research International, Vol.37, Iss.2, 2004-03, pp. : 133-138

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