8CHIU P Y,MAK D H F,POON M K T, et al. In vivo antioxidant action of a lignan - enriched extract of schisandrz fruit and an anthraquinone - containing extract of polygonum root in comparison with schisandrin B and emodin [J] . Planta Medica , 2002,68 ( 11 ) :951 -956.
9WANG B J,LIU CH T,TSENG CH Y,et al. C T. Hepatoprotective and antioxidant effects of Bupleurum kaoi Liu ( Chao et Chuang) extract and its fractions fractionatcd using supereritieal CO2 on CCl4 - induced liver damage[ J]. Food Chem Toxicol,2004, 42(4) :609 - 617.