期刊文章
Isolation of Anti-oxidant from Domestic Crataegus pinnatifida Bunge Leaves [2005]
Kang, I.H. (Chung Ang University, Seoul, Republic of Korea); Cha, J.H. (Chung Ang University, Seoul, Republic of Korea); Han, J.H. (Chung Ang University, Seoul, Republic of Korea); Lee, S.W. (Chung Ang University, Seoul, Republic of Korea); et al.
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In order to find the antioxidative compounds, fractionation of the MeOH extract of the leaves of Crataegus pinnatifida guided by DPPH scavenging test furnished seven phenolic compounds, quercetin-3-O-α-L-rhamnopyranosyl(1→6)-β-D-glucopyranoside (1), myricetin-3-O-rhamnose (2), quercetin-3-O-α-L-rhamnopyranosyl-(1→6)-β-D-galctopyranoside (3), quercetin-3-O-β-D-galactopyranoside (4), quercetin (5), apigenin-8-C-β-L-rhamnopyranosyl-(1→6)-β-D-glucopyranoside (2"-O-rhamnosylvitexin) (6) and (-)-epicatechin (7).
