High performance enzyme-linked immunosorbent assay for determination of miroestrol, a potent phytoestrogen from Pueraria candollei

Gorawit Yusakul, Orapin Udomsin, Thaweesak Juengwatanatrakul, Hiroyuki Tanaka, Chaiyo Chaichantipyuth, Waraporn Putalun

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Pueraria candollei associated preparation is widely applied in folk Thai medicine for rejuvenating purpose in aged people, which correlated with its pharmacological activities reported by pre-clinical and clinical trials. Therefore, standardized products of this plant are needed by consumers and health care personnel. Miroestrol, a potent and stable phytoestrogen in P. candollei, exhibited potential to be biomarker for quality control of P. candollei samples in research or industrial levels. Indirect competitive enzyme-linked immunosorbant assay (ELISA) for miroestrol determination was developed and validated by using polyclonal antibody from rabbit immunization. The polyclonal antibody recognized specifically to miroestrol, which exhibited cross-reactivity to deoxymiroestrol and isomiroestrol with 6.68% and 1.05%, respectively. The linearity range of measurement was 0.73-3000ngmL-1, which coefficient of variation (CV) of both intra- and inter-plate determination was less than 5%. With spiked samples of known amount miroestrol, the percentages of recovery were 98.80-104.37% and 98.31-106.69% in P. candollei and its involved product samples, respectively. Validated ELISA was comparable with published HPLC method (R2=0.9996) (Yusakul et al. [18]) in samples with various miroestrol contents. For application, the P. candollei involved preparations contained miroestrol 0.695±0.037-12.108±0.285μgg-1drywt. The developed ELISA was high performance for miroestrol determination, which could be applied for P. candollei quality control in research fields and industrial productions.

Original languageEnglish
Pages (from-to)104-110
Number of pages7
JournalAnalytica Chimica Acta
Volume785
DOIs
Publication statusPublished - Jun 27 2013

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Pueraria
Phytoestrogens
Immunosorbents
Assays
Enzyme-Linked Immunosorbent Assay
assay
enzyme
quality control
antibody
Enzymes
immunization
industrial production
linearity
medicine
health care
biomarker
Quality Control
Quality control
Immunization
Antibodies

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biochemistry
  • Environmental Chemistry
  • Spectroscopy

Cite this

High performance enzyme-linked immunosorbent assay for determination of miroestrol, a potent phytoestrogen from Pueraria candollei. / Yusakul, Gorawit; Udomsin, Orapin; Juengwatanatrakul, Thaweesak; Tanaka, Hiroyuki; Chaichantipyuth, Chaiyo; Putalun, Waraporn.

In: Analytica Chimica Acta, Vol. 785, 27.06.2013, p. 104-110.

Research output: Contribution to journalArticle

Yusakul, Gorawit ; Udomsin, Orapin ; Juengwatanatrakul, Thaweesak ; Tanaka, Hiroyuki ; Chaichantipyuth, Chaiyo ; Putalun, Waraporn. / High performance enzyme-linked immunosorbent assay for determination of miroestrol, a potent phytoestrogen from Pueraria candollei. In: Analytica Chimica Acta. 2013 ; Vol. 785. pp. 104-110.
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