Abstract
The antioxidant activities of various organic solvent extracts from Artemisia capillaris herba were investigated. The results indicated that methanol extracts of Artemisia capillaris herba possessed higher contents of phenolic compounds and showed stronger antioxidant activities than other organic solvent extracts. The methanol extracts of Artemisia capillaris herba exhibited 91.1% of the scavenging effect at a dose of 200 ppm on the 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical and showed strong antioxidant activity in the Β-carotene bleaching system. The methanol extracts were separated into three fractions by preparative HPLC using a Wakopak C18 reversed-phase column. After purifing with preparative HPLC, AC-1, 2 and 3 compounds were obtained. Their structures were established as chlorogenic acid (AC-1), 3,5-dicaffeoylquinic acid (AC-2) and 3,4-dicaffeoylquinic acid (AC-3) on the basis of UV-vis spectral, HPLC and FAB-MS data. The scavenging effect of purified compounds on DPPH radical equaled that of tert-butyl-4-hydroxytoluene (BHT) and α-tocopherol at a dose of 10 ppm.
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Seo, HC., Suzuki, M., Ohnishi-Kameyama, M. et al. Extraction and identification of antioxidant components from Artemisia capillaris herba . Plant Foods Hum Nutr 58, 1–12 (2003). https://doi.org/10.1023/B:QUAL.0000040355.60922.08
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DOI: https://doi.org/10.1023/B:QUAL.0000040355.60922.08