시판 한약재에 대한 항산화 활성 검정
Screening for Antioxidative Activity of Oriental Medicinal Plant Materials
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초록
Abstract
Antioxidative effect of 42 medicinal plant extracts was screened to search natural antioxidants. The extracts of Terminalia chebula, Caesalpinia sappan, Sanguisorba officinalis, Rubus coreanus, and Alpinia katsumadai showed strong inhibition effect on DPPH radical, and L이 oxidation. Those of Eugenia caryophyllata, Alpinia officinarum. Zingiber officinale, Xanthium strumarium, Sophora japonica, Aristolochia contorta, and Alpinia katsumadai exhibited potent antioxidative activity on linoleic acid peroxidation. Among 42 medicinal plant materials, the extract of Terminalia chebula showed the highest scavenging activity (3.08㎍/㎖) on DPPH radical which was higher than that (13.52㎍/㎖) of α-tocopherol. The extract of Terminalia chebula showed also stronger inhibition activity on LDL oxidation than that of α-tocopherol did.