Chem. J. Chinese Universities ›› 2013, Vol. 34 ›› Issue (2): 381.doi: 10.7503/cjcu20120586

• Biological Chemistry • Previous Articles     Next Articles

Chemical Constituents of Roots of Panax japonicus C. A. Mey. var. major(Burk.)C. Y. Wu et K. M. Feng

SHI Xiao-Lei1, WANG Jia-Fu2, YAO Hua2, ZHANG Pei-Xu2, LI Xu-Wen2, ZHANG Hai-Yu3, JIN Yong-Ri2   

  1. 1. College of Quartermaster Technology, Jilin University, Changchun 130062, China;
    2. College of Chemistry, Jilin University, Changchun 130012, China;
    3. The First Hospital of Jilin University, Changchun 130021, China
  • Received:2012-06-20 Online:2013-02-10 Published:2013-01-21

Abstract:

Seven compounds were isolated fromthe roots of Panax japonicus C. A. Mey. var. major(Burk.)C. Y. Wu et K. M. Feng. They were purified by chromatographic method. The structures of the compounds were deduced by spectroscopic methods as 24(R)-majoroside R1(1), 6-O-[β-D-glucopyranosyl-(1→2)-β-D-glucopyranosyl]-20-O-[β-D-glucopyranosyl-(1→4)-β-D-glucopyranosyl]-20(S)-protopanaxatriol(2), 6″-acetyl-ginsenoside-Rd(3), ginsenoside Rf(4), chikusetsusaponin-Ⅳa(5), ginsenoside Rd(6), Chikusetsusaponin-Ⅴ(7). Among them, 24(R)-majoroside R1 and-O-[β-D-glucopyranosyl-(1→2)-β-D-glucopyranosyl]-20-O-[β-D-glucopyranosyl-(1→4)-β-D-glucopyranosyl]-20(S)-protopanaxatriol are new compounds; 6″-acetyl-ginsenoside-Rd and ginsenoside Rf are isolated from Panax japonicus C. A. Mey. var. major(Burk.)C. Y. Wu et K. M. Feng for the first time.

Key words: Panax japonicus C. A. Mey, Chemical constituent, Saponin, Heteronuclear multiple bonding correlation

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