Studies on Cycasin, a New Toxic Glycoside, of <i>Cycas revoluta</i> Thunb

DOI

Bibliographic Information

Other Title
  • Studies on Cycasin, a New Toxic Glycoside, of Cycas revoluta Thunb
  • Part VI. Polarography of Cycasin

Description

The polarographic behaviors and the determination of cycasin, glucosyloxyazoxymethane, are described here. In the whole pH range, cycasin shows a reduction wave, which is con-sidered to be due to the reduction of its aliphatic azoxy group. The polarograms from pH 4 to 7 run in two steps, and two electrode reaction mechanisms may be infered. The follow-ing facts are observed on the limiting current at pH 1 or 7: It is controlled by the diffusion process, and its temperature coefficient has a value resembling that of the usual diffusion current. The wave height shows a linear proportionality to the concentration of cycasin. The contents of cycasin in cycad seeds, determined polarographically, are presented, and compared with the results obtained by the paper chromatographic method.

Journal

Keywords

Details 詳細情報について

  • CRID
    1390282680232905600
  • NII Article ID
    130003521162
  • DOI
    10.1271/bbb1924.20.122
  • COI
    1:CAS:528:DyaG2sXhs1WmtA%3D%3D
  • ISSN
    18811272
    03758397
  • Text Lang
    en
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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