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KMID : 0613820210310060543
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Journal of Life Science
2021 Volume.31 No. 6 p.543 ~ p.549
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Antioxidant Activity of Asteraceae Plant Seed Extracts
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Kim Jun-Hyeok
Lee Da-Hyun
Lee Mi-Hyun
Jung Young-Ho
Park Cho-Hee
Lee Hee-Ho
Na Chae-Sun
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Abstract
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Approximately 10% of all angiosperms belong to the Asteraceae family. Plant species belonging to this family have traditionally been used as medicinal plants in the Korean Peninsula. We investigated the antioxidant activity of seed extracts from 14 species belonging to the Asteraceae family. Seeds with ≥ 90% percentage of filled seed and ≥ 50% final germination were used. The total phenolic content was the highest in Dendranthema zawadskii var. tenuisectum (13.5 mg of gallic acid equivalents (GAEs)/g seeds), followed by Dendranthema zawadskii var. latilobum (11.8 mg of GAEs/g seeds), and Callistephus chinensis (11.0 mg of GAEs/ g seeds). The total flavonoid content was highest in C. chinensis (9.8 mg of quercetin equivalents (QEs)/g seeds), followed by D. zawadskii var. tenuisectum (7.2 mg of QEs/g seeds) and Taraxacum officinale (6.3 mg of QEs/g seeds). Our results showed that 2,2-diphenyl-1-picrylhydrazyl radical (DPPH) scavenging activity was highest in D. zawadskii var. tenuisectum (57.4 μg/ ml), followed by T. officinale (59.1 μg/ml) and D. zawadskii var. latilobum (65.0 μg/ml), with a half maximal inhibitory concentration (IC50) of DPPH scavenging activity. Furthermore, 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical scavenging activity was highest in C. chinensis (26.2 μg/ ml), followed by D. zawadskii var. tenuisectum (38.4 μg/ml), T. officinale (40.2 μg/ml), with a half maximal inhibitory concentration (IC50) of ABTS scavenging activity. Based on a cluster analysis according to the antioxidant activity, the 14 species were classified into five groups, with group 4 having the highest antioxidant activity and group 0 having the lowest antioxidant activity. D. zawadskii var. latilobum, D. zawadskii var. tenuisectum, T. officinale, and C. chinensis belonging to groups 3 and 4, exhibited high phenolic content and antioxidant activity and can be considered potent plant-derived natural antioxidants.
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KEYWORD
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Antioxidant, Asteraceae, conservation, germination, wild plant seed
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