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KMID : 1098420080160050356
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Korean Journal of Medicinal Crop Science
2008 Volume.16 No. 5 p.356 ~ p.370
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Investigation on Antioxidant Activity in Plant resources
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Lee Seung-Eun
Sung Jung-Sook
Jang In-Bok
Kim Geum-Soog
Ahn Tae-Jin
Han Hee-Sun
Kim Ji-Eun
Kim Young-Ock
Park Chung-Berm
Cha Sun-Woo
Ahn Young-Sup
Park Ho-Ki
Bang Jin-Ki
Seong Nak-Sul
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Abstract
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This study was conducted for screening on antioxidant activity of 429 plants and selecting new potential antioxidant candidates. In vitro test models such as scavenging activity on DPPH radical and inhibitory activity on linoleic acid oxidation were used in the preliminary study. Flower of Sanguisorba officinalis, flower of Sedum kamtschaticum, flower of Rumex obtusifolius, and root of Sedum kamtschaticum showed very effective antioxidant activity on DPPH radical and linoleic acid oxidation. Those plants showed 8.1, 9.4, 9.9, in DPPH radical scavenging activity as and did 80.4, 80.1, 84.5, 88.0% in inhibition activity on linoleic acid oxidation, respectively. Root of Sedum middendorfianum M. showed positive effects in superoxide radical scavenging activity () and inhibitory effect on -induced LDL oxidation (53.8% at final concentration of ). Gleditsia japonica Mig. showed high antioxidant activity on LDL oxidation as 71.6% at final concentration of and total phenol content of 958.5 mg% as tannic acid equivalent. In conclusion, we think that these plants having potent antioxidant activity might be studied further and could be used as new resources for many purposes including healthy food, functional cosmetics and drug development etc.
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KEYWORD
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Antioxidant Activity, Plant resources, DPPH, LDL
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