Screening the Antioxidant Activity of Some Medicinal Plants of Pako and Van Kieu Peoples in Quang Tri Province

To investigate the local knowledge, 15 medicinal plants which are commonly used to treat diseases by the peoples of Pako and Van Kieu in Quang Tri province have been applied to screen the antioxidant activity. In in vitro tests on isolated liver cells of rats, there are 3 out of 15 total extracts of the research plants which have shown antioxidant activity, in which the best one is Archidendron clyearia (Jack.) I. Niels. - Mimosaceae, followed by Reynoutria japonicaHoutt. - Polygonaceae and Spilanthes oleracea L. - Asteraceae with ED50 values ​​of  2.18, 14.67 and 15.25 μg/ml respectively.

Keywords: Pako, Van Kieu, antioxidant, Archidendron clyearia.

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