Enzyme-linked immunosorbent assay for total isoflavonoids in pueraria candollei using anti-puerarin and anti-daidzin polyclonal antibodies

Benyakan Pongkitwitoon, Seiichi Sakamoto, Hiroyuki Tanaka, Ryota Tsuchihashi, Junei Kinjo, Satoshi Morimoto, Waraporn Putalun

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Pueraria candollei (White Kwao Khuer) is a medicinal plant containing puerarin, daidzin, genistin, daidzein, and genistein as major isoflavonoids used for its rejuvenating and estrogenic effects. In order to analyze these compounds, a single enzyme-linked immunosorbent assay (ELISA) for total isoflavonoids was developed using anti-puerarin and anti-daidzin polyclonal antibodies (PAbs). The range for calibration of isoflavonoids by ELISA was 0.056.25g/mL. Total isoflavonoid concentrations in P. candollei samples determined by the newly developed assay system showed good agreement with those analyzed by HPLC. Based on validation analysis, this analytical method by ELISA is a precise, accurate, and sensitive method for the determination of total isoflavonoids in P. candollei.

Original languageEnglish
Pages (from-to)831-836
Number of pages6
JournalPlanta medica
Volume76
Issue number8
DOIs
Publication statusPublished - Jun 4 2010

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Molecular Medicine
  • Pharmacology
  • Pharmaceutical Science
  • Drug Discovery
  • Complementary and alternative medicine
  • Organic Chemistry

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