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  • Title: A novel spinosin derivative from Semen Ziziphi Spinosae.
    Author: Xie YY, Xu ZL, Wang H, Kano Y, Yuan D.
    Journal: J Asian Nat Prod Res; 2011 Dec; 13(12):1151-7. PubMed ID: 22115038.
    Abstract:
    A novel spinosin derivative, 6‴-(4‴'-O-β-D-glucopyranosyl)-vanilloyl spinosin (1) was isolated from the methanol extract of Semen Ziziphi Spinosae, together with five known flavonoids, swertish, spinosin, 6‴-feruloylspinosin, isospinosin and kaempferol 3-O-α-L-rhamnopyranosyl-(1 → 2)-O-[O-α-L-rhamnopyranosyl-(1 → 6)]-β-D-glucopyranoside, and two alkanoids, zizyphusine and 6-(2',3'-dihydroxyl-4'-hydroxymethyl-tetrahydro-furan-1'-yl)-cyclopentene[c]pyrrole-1,3-diol. The structure of compound 1 was elucidated by spectroscopic methods including UV, IR, ESI-TOF-MS, 1D, and 2D NMR techniques.
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