Three new lignan glycosides with IL-6 inhibitory activity from Akebia quinata

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Abstract

Three new lignan glycosides, akeqintoside A [(7S,8S)-7,8-dihydro-8- hydroxymethyl-7-(4-hydroxy-3-methoxyphenyl)-1′-benzofuranpropanol 2′-O-β-D-glucopyranoside] (1), akeqintoside B [(7R,8R)-7,8-di-hydro- 8-hydroxymethyl-7-(4-hydroxy-3-methoxyphenyl)-1′-(9′-methoxy- 7′-propenyl) benzofuran 2′-O-β-D-glucopyranoside] (2), and akequintoside C [7R*,8R*-dihydroxy-7-(4-hydroxy-3-methoxyphenyl)- glycerol 9-O-β-D-(6′-O-caffeoyl)-glucopyranoside] (3) were isolated from Akebia quinata along with five known compounds, syringin (4), vanilloloside (5), salidroside (6), 3,4-dihydroxyphenylethyl alcohol 8-O-β-D- glucopyranoside (7), and calceolarioside B (8). The structures of the compounds were identified based on one dimensional (1D)- and 2D-NMR, including 1H-1H correlation spectroscopy (COSY), heteronuclear single quantum coherence (HSQC), heteronuclear multiple bond connectivity (HMBC) and nuclear Overhauser effect spectroscopy (NOESY) spectroscopic analyses. The inhibitory activity of these isolated compounds against interleukin-6 (IL-6) production in tumor necrosis factor-alpha (TNF-α) stimulated MG-63 cells was also examined. © 2014 The Pharmaceutical Society of Japan.

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APA

Jin, H. G., Kim, A. R., Ko, H. J., Lee, S. K., & Woo, E. R. (2014). Three new lignan glycosides with IL-6 inhibitory activity from Akebia quinata. Chemical and Pharmaceutical Bulletin, 62(3), 288–293. https://doi.org/10.1248/cpb.c13-00668

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