Journal of the American Oil Chemists Society

, Volume 66, Issue 2, pp 242–246 | Cite as

The structures of cyclopentenyl fatty acids in the seed oils of flacourtiaceae species by GC-MS of their 4,4-dimethyloxazoline derivatives

  • J. Y. Zhang
  • H. Y. Wang
  • Q. T. Yu
  • X. J. Yu
  • B. N. Liu
  • Z. H. Huang
Technical

Abstract

The structures of cyclopentenyl fatty acids in the seed oils ofHydnocarpus anthelmintica Pierre et Laness.,H. alphina Wight,H. hainanensis (Merr.) andTaraktogenos merrilliana C.Y. Wu, all belonging to the family Flacourtiaceae, have been identified by GC-MS of the mixed 2-substituted 4,4-dimethyloxazoline (DMOX) derivatives. These variations are characterized by the presence of key fragments at (M-43), (M-55) and (M-67), while the location of a double bond in the chain is indicated by a 12-mass interval between the highest peaks of two adjacent homologous ion clusters. The unique fragmentation pattern coupled with the good gas chromatographic qualities of these derivatives enable convenient structure determination of cyclopentenyl fatty acids in complex mixtures.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    Yu, Q.T., B.N. Liu, J.Y. Zhang and Z.H. Huang,Lipids, in press (1989)Google Scholar
  2. 2.
    Abdel-Moety, E.M.,Seifen, Anschrichm. 83:65 (1981).CrossRefGoogle Scholar
  3. 3.
    Cole, H.I., and H.T. Cardoso,J. Am. Chem. Soc. 61:2349 (1993).CrossRefGoogle Scholar
  4. 4.
    Spener, F., and H. Mangold,Phytochemistry 14:1369 (1975).CrossRefGoogle Scholar
  5. 5.
    Shukla, V.K.S., E.M. Abdel-Moety, E. Larsen and H. Egsgaard,Chem. Phys. Lipids 23:285 (1979).CrossRefGoogle Scholar
  6. 6.
    Zhang, J.Y., Q.T. Yu, B.N. Liu and Z.H. Huang,Biomed. Environ. Mass Spectrom. 15:33 (1988).CrossRefGoogle Scholar
  7. 7.
    Zhang, J.Y., X.J. Yu, H.Y. Wang, B.N. Liu, Q.T. Yu and Z.H. Huang,J. Am. Oil Chem. Soc., in press 66:256 (1989)Google Scholar
  8. 8.
    Yu, Q.T., B.N. Liu, J.Y. Zhang and Z.H. Huang,Lipids 23:804 (1988).CrossRefGoogle Scholar
  9. 9.
    Zhang, J.Y., Q.T. Yu and Z.H. Huang,Shitzuryo Bunseki (Japan) 35:23 (1987).Google Scholar
  10. 10.
    Zhang, J.Y., Q.T. Yu, Y.M. Yang and Z.H. Huang,Chem. Scr., in press (1988).Google Scholar
  11. 11.
    Zhang, J.Y., Q.T. Yu, H.Y. Wang, X.J. Yu and Z.H. Huang,Ibid., in press (1988).Google Scholar
  12. 12.
    Wu, Z.Y., and W.Z. Wang,Acta Phytotaxon. Sinica 6:226 (1957).Google Scholar
  13. 13.
    Power, F.B., and M. Barrowaliff,J. Chem. Soc. 87:888 (1905).Google Scholar
  14. 14.
    Serota, S., J.R. Simon, E.B. Murray and W.M. Linfield,J. Org. Chem. 46:4147 (1981).CrossRefGoogle Scholar
  15. 15.
    Fry, E.M., Ibid.877 (1949).CrossRefGoogle Scholar
  16. 16.
    Cusack, N.J., C.B. Resse, A.C. Risius and B. Roozpeikar,Tetrahedron 32:2157 (1976).CrossRefGoogle Scholar

Copyright information

© Engelhard Corporation 1988

Authors and Affiliations

  • J. Y. Zhang
    • 1
  • H. Y. Wang
    • 2
  • Q. T. Yu
    • 1
  • X. J. Yu
    • 2
  • B. N. Liu
    • 1
  • Z. H. Huang
    • 1
  1. 1.Shanghai Institute of Materia MedicaChinese Academy of SciencesShanghaiChina
  2. 2.Yunnan Institute of Tropical BotanyChinese Academy of SciencesXishuangbannaChina

Personalised recommendations