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- 저자 : Lyle E. Craker (검색결과 1 건)
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Hasan Mumivand,Mesbah Babalar,Leila Tabrizi,Lyle E. Craker,Majid Shokrpour,Javad Hadian 한국원예학회 2017 Horticulture, Environment, and Biotechnology Vol.58 No.4
Artemisia dracunculus L. (tarragon), a common spice and vegetable grown throughout Iran, is an economicallyimportant species of the Asteraceae family. The free radical-scavenging activities of 12 Iranian A. dracunculus accessionextracts were evaluated using 1,1-diphenyl-2-picrylhydrazyl (DPPH) and ferric-reducing antioxidant power (FRAP) assays. The total phenolic and flavonoid contents were measured using spectrophotometric techniques. Reversed-phase highperformanceliquid chromatography (RP-HPLC) with UV detection was also used to identify the major phenolic compounds,revealing the presence of chlorogenic, syringic, and caffeic acids, while the predominant flavonoid was quercetin. Herniarin was the main coumarin in the extracts. Although a high antioxidant capacity was observed in all extracts,their antioxidant activities varied significantly, with the Birjand and Varamin accessions having the highest and thelowest capacities, respectively. The obtained total phenolic and flavonoid values similarly varied among tarragonaccessions. Positive linear correlations were found between total antioxidant capacities (DPPH and FRAP assays) andtotal phenolic as well as flavonoid contents, indicating that phenolic compounds were the dominant antioxidantconstituents in the tested plant extracts. Tarragon could therefore be a good source of natural antioxidants and haspotential as a valuable dietary supplement.
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