Study on antioxidant property in selected medicinal plant extracts
نویسندگان
چکیده
The Clitoria ternatea, Solanum nigrum and Aloe vera leaves were extracted serially by the solvents of increasing polarity (petroleum ether, chloroform and ethanol) were tested for their free radical scavenging activity against DPPH. The petroleum ether extracts of Clitoria ternatea, Solanum nigrum and Aloe vera leaves were the most effective scavenging of DPPH. These plant extracts were also analyzed for the activities of selected enzymic antioxidants such as catalase, polyphenol oxidase and the non-enzymic antioxidants were ascorbic acid and total phenols. The results showed the leaves of Solanum nigrum possess higher levels of antioxidants.
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