{"title":"匙羹藤的植物化学分析及抗氧化活性。叶提取物","authors":"Suraj K Behera","doi":"10.5530/FRA.2019.1.3","DOIUrl":null,"url":null,"abstract":"Cite this article: Behera SK. Phytochemical Analysis and Antioxidant Activities of Gymnema sylvestre R. Br. Leaf Extracts. Free Radicals and Antioxidants. 2019;9(1):12-5. ABSTRACT Objective: The present study aims to determine the antioxidant properties and phytochemical screening of Gymnema sylvestre plant. Materials and Methods: The qualitative and quantitative analyses were carried out for the methanol extract using standard procedures. The antioxidant activities were carried out by DPPH free radical, OHradical, H2O2 radical, O2 radical and phosphomolybdenum reduction assay. Results: The leaves of G. sylvestre methanol extract showed good radical scavenging as well as reducing power activities. The total phenolic and flavonoid content were 19.87 ± 0.32 mg/g and 2.65 ± 0.12 mg/g respectively. Conclusion: The methanol extract of leaves of G. sylvestre possesses significant antioxidant activities.","PeriodicalId":12388,"journal":{"name":"Free Radicals and Antioxidants","volume":"14 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Phytochemical Analysis and Antioxidant Activities of Gymnema sylvestre R. Br. Leaf Extracts\",\"authors\":\"Suraj K Behera\",\"doi\":\"10.5530/FRA.2019.1.3\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Cite this article: Behera SK. Phytochemical Analysis and Antioxidant Activities of Gymnema sylvestre R. Br. Leaf Extracts. Free Radicals and Antioxidants. 2019;9(1):12-5. ABSTRACT Objective: The present study aims to determine the antioxidant properties and phytochemical screening of Gymnema sylvestre plant. Materials and Methods: The qualitative and quantitative analyses were carried out for the methanol extract using standard procedures. The antioxidant activities were carried out by DPPH free radical, OHradical, H2O2 radical, O2 radical and phosphomolybdenum reduction assay. Results: The leaves of G. sylvestre methanol extract showed good radical scavenging as well as reducing power activities. The total phenolic and flavonoid content were 19.87 ± 0.32 mg/g and 2.65 ± 0.12 mg/g respectively. Conclusion: The methanol extract of leaves of G. sylvestre possesses significant antioxidant activities.\",\"PeriodicalId\":12388,\"journal\":{\"name\":\"Free Radicals and Antioxidants\",\"volume\":\"14 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-04-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Free Radicals and Antioxidants\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.5530/FRA.2019.1.3\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Free Radicals and Antioxidants","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5530/FRA.2019.1.3","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Phytochemical Analysis and Antioxidant Activities of Gymnema sylvestre R. Br. Leaf Extracts
Cite this article: Behera SK. Phytochemical Analysis and Antioxidant Activities of Gymnema sylvestre R. Br. Leaf Extracts. Free Radicals and Antioxidants. 2019;9(1):12-5. ABSTRACT Objective: The present study aims to determine the antioxidant properties and phytochemical screening of Gymnema sylvestre plant. Materials and Methods: The qualitative and quantitative analyses were carried out for the methanol extract using standard procedures. The antioxidant activities were carried out by DPPH free radical, OHradical, H2O2 radical, O2 radical and phosphomolybdenum reduction assay. Results: The leaves of G. sylvestre methanol extract showed good radical scavenging as well as reducing power activities. The total phenolic and flavonoid content were 19.87 ± 0.32 mg/g and 2.65 ± 0.12 mg/g respectively. Conclusion: The methanol extract of leaves of G. sylvestre possesses significant antioxidant activities.
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