Electrochemistry of sinapine and its detection in medicinal plants

Hui Zhou, Yinxi Huang, Tomonori Hoshi, Yoshitomo Kashiwagi, Jun Ichi Anzai, Genxi Li

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Sinapine (O-sinapoyl choline) is a crucial component, with much medicinal value, of many dietary and medicinal plants. It has been found that sinapine gives an electrochemical response at a pyrolytic graphite electrode. The electrochemical properties of sinapine have been investigated. The peak current in the cyclic voltammogram is linear in the concentration range 1.9×10-6-2.5×10-4 mol L-1 and the limit of detection is 9.9×10-7 mol L-1. These properties can be applied to the determination of sinapine in extracts from three kinds of medicinal plant. The electrochemical method reported here is highly selective, sensitive, and stable.

Original languageEnglish
Pages (from-to)1196-1201
Number of pages6
JournalAnalytical and Bioanalytical Chemistry
Volume382
Issue number4
DOIs
Publication statusPublished - 2005 Jun

Keywords

  • Detection
  • Electrochemistry
  • Medicinal plants
  • Pyrolytic graphite
  • Sinapine

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry

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