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Phenolic Compounds and Antioxidant Activities of Liriope muscari
National Institutes for Food and Drug Control, Beijing 100050, China
State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China
Department of Entomology, China Agricultural University, Beijing 100193, China
* Authors to whom correspondence should be addressed.
Received: 24 November 2011; in revised form: 24 January 2012 / Accepted: 31 January 2012 / Published: 10 February 2012
Abstract: Five phenolic compounds, namely N-trans-coumaroyltyramine (1), N-trans-feruloyltyramine (2), N-trans-feruloyloctopamine (3), 5,7-dihydroxy-8-methoxyflavone (4) and (3S)3,5,4′-trihydroxy-7-methoxy-6-methylhomoisoflavanone (5), were isolated from the fibrous roots of Liriope muscari (Liliaceae). Compounds 2–5 were isolated for the first time from the Liriope genus. Their in vitro antioxidant activities were assessed by the DPPH and ABTS scavenging methods with microplate assays. The structure-activity relationships of compounds 1–3 are discussed.
Keywords: Liriope muscari; Liliaceae; antioxidant activity; homoisoflavone
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MDPI and ACS Style
Li, W.J.; Cheng, X.L.; Liu, J.; Lin, R.C.; Wang, G.L.; Du, S.S.; Liu, Z.L. Phenolic Compounds and Antioxidant Activities of Liriope muscari. Molecules 2012, 17, 1797-1808.
Li WJ, Cheng XL, Liu J, Lin RC, Wang GL, Du SS, Liu ZL. Phenolic Compounds and Antioxidant Activities of Liriope muscari. Molecules. 2012; 17(2):1797-1808.
Li, Wen Jie; Cheng, Xian Long; Liu, Jing; Lin, Rui Chao; Wang, Gang Li; Du, Shu Shan; Liu, Zhi Long. 2012. "Phenolic Compounds and Antioxidant Activities of Liriope muscari." Molecules 17, no. 2: 1797-1808.