期刊
COGENT CHEMISTRY
卷 2, 期 -, 页码 -出版社
TAYLOR & FRANCIS AS
DOI: 10.1080/23312009.2016.1168067
关键词
Curcuma amada; -myrcene; essential oil; GC-MS; antioxidant activity
资金
- University Grants Commission [41-234/2012(SR)]
The chemical composition of hydro-distilled essential oil from rhizomes of Curcuma amada was analysed. Nineteen compounds representing 77.31% of the total essential oil were identified by GC and GC-MS. Rhizomes were extracted by various solvents with different polarities using various antioxidant assay systems. The petroleum ether extract showed potent DPPH radical scavenging activities (IC50=18.98 +/- 0.05) and reducing power (A(700)=0.861 +/- 0.001). Ethyl acetate extract exhibited remarkable nitric oxide radical scavenging activity (IC (50)=5.97 +/- 0.09) higher than that of ascorbic acid (IC50=6.05 +/- 0.02). The essential oil showed promising superoxide radical scavenging activities (IC50=15.30 +/- 0.03g/ml) as compared with ascorbic acid (IC50=15.28 +/- 0.01). The results indicate that the oil and organic extracts from rhizomes of C. amada could serve as an important bioresource of antioxidants for food and pharmaceutical industries.
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