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Flavonoids from the flower of Clerodendrum trichotomum누리장나무 꽃의 Flavonoid 성분
- Other Titles
- 누리장나무 꽃의 Flavonoid 성분
- Authors
- Lee, J.-W.; Kang, S.C.; Bae, J.J.; Lee, K.B.; Kwak, J.H.
- Issue Date
- Dec-2015
- Publisher
- Korean Society of Pharmacognosy
- Keywords
- Antioxidant activity; Clerodendrum trichotomum; Flavonoid; Flower; ORAC assay
- Citation
- Korean Journal of Pharmacognosy, v.46, no.4, pp.289 - 294
- Journal Title
- Korean Journal of Pharmacognosy
- Volume
- 46
- Number
- 4
- Start Page
- 289
- End Page
- 294
- ISSN
- 0253-3073
- Abstract
- Seven flavonoids were isolated from the flower of Clerodendrum trichotomum. Their structures were identified as apigenin (1), genistein (2), chrysoeriol (3), genistein 7-O-glucoside (4), kaempferol 3-O-glucoside (5), isorhamnetin 3-O-glucoside (6) and apigenin 7-O-glucoside (7) on the basis of spectral data. These compounds were isolated from C. trichotomum for the first time. The antioxidant activity of compounds 1-7 were evaluated by the ORAC (oxygen radical absorbance capacity) assay, and the ORAC values were expressed as relative trolox equivalent. All isolated compounds exhibited antioxidant activity. © 2015, Korean Society of Pharmacognosy. All rights reserved.
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