The purpose of this research is to study the effect of antioxidant in the rare plants were 132 type. By studying only the leaves of the plant extracts with ethanol. The study of ethanol extracts antioxidant activity DPPH way (free radical scavenging assay) test results indicated that the extract showed antioxidant activity are all plants 103 type. The show% inhibition than 50% and 60 types show good effect,% inhibition than 90% when finding the value IC50 found that plants 31 types were in the range of 1-100 ppm. The plant 15 types were in the range of 1-50 ppm and plant 11 types were in the range of 1-25 ppm by 11 plant species. Talent show in the antioxidant good is in jumping. Sponge, Terminalia chebula. Monday bucket elevator fruit Garcinia dulcis. Guest HF, takhro, giant star. Taku, WA and plants show effects is the best jump and sponge, which is IC50 follows 7.01 and 0.09 7.64 0.25 respectively.
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