Objective The experiment is designed to study the in vitro and in vivo anti-oxygen free radical effects of the different parts of Portulaca oleracea L including its leaves,stems and roots.Methods In the in vitro experiment,the measurement of·OH was made with the oxidation of phenathroline-Fe2+,and that of O-·2 with the improved pyrogallol auto-oxidation method.Rabbits were used in the in vivo experiment,raised with the leaves,the stems and the roots of Portulaca oleracea L,and 10 weeks later their serum SOD...
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