Highly selective and sensitive determination of deoxymiroestrol using a polyclonal antibody-based enzyme-linked immunosorbent assay

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

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Pueraria candollei-associated products are of interest to worldwide consumers for their rejuvenating and cosmetic purposes. In addition, clinical trials have supported the beneficial effects of P. candollei on the alleviation of menopausal symptoms. Deoxymiroestrol, which was reported as the most potent phytoestrogen in the tuberous root of P. candollei, exhibited potential as a biomarker of P. candollei-derived samples and products. A polyclonal antibody-based enzyme-linked immunosorbent assay (ELISA) was developed for deoxymiroestrol determination. The raised antibody bound specifically to deoxymiroestrol with very low cross reactivities of 1.26 and 0.42% to structurally related miroestrol and isomiroestrol, respectively. The linear range was 0.73-3000.00 ng mL-1, and the coefficients of variation for both the intra- and inter-plate determinations were less than 5%. In samples spiked with a known amount of deoxymiroestrol, the recoveries were 99.82-102.58% in P. candollei samples and 98.07-106.33% in its products samples. In comparison with other analytical methods, the validated ELISA was comparable to published HPLC-UV methods for samples with high deoxymiroestrol content (R 2=0.9993). Furthermore, ELISA can be used for samples with deoxymiroestrol concentrations that are too small to detect by HPLC and for conditions when other chemicals cause interference with chromatographic analysis. For the P. candollei-derived products, the preparations contained 0.154-10.998 μg g-1 dry wt. Our ELISA successfully measured deoxymiroestrol content with high sensitivity, selectivity, accuracy and rapidity. Therefore, this ELISA showed potential for dosage standardization of P. candollei-associated samples.

Original languageEnglish
Pages (from-to)73-78
Number of pages6
JournalTalanta
Volume114
DOIs
Publication statusPublished - Jan 1 2013

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Immunosorbents
Assays
Enzyme-Linked Immunosorbent Assay
Antibodies
Enzymes
Pueraria
High Pressure Liquid Chromatography
Chromatographic analysis
Phytoestrogens
Biomarkers
deoxymiroestrol
Cosmetics
Standardization
Chromatography
Clinical Trials
Recovery

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry

Cite this

Highly selective and sensitive determination of deoxymiroestrol using a polyclonal antibody-based enzyme-linked immunosorbent assay. / Yusakul, Gorawit; Udomsin, Orapin; Juengwatanatrakul, Thaweesak; Tanaka, Hiroyuki; Chaichantipyuth, Chaiyo; Putalun, Waraporn.

In: Talanta, Vol. 114, 01.01.2013, p. 73-78.

Research output: Contribution to journalArticle

Yusakul, G, Udomsin, O, Juengwatanatrakul, T, Tanaka, H, Chaichantipyuth, C & Putalun, W 2013, 'Highly selective and sensitive determination of deoxymiroestrol using a polyclonal antibody-based enzyme-linked immunosorbent assay', Talanta, vol. 114, pp. 73-78. https://doi.org/10.1016/j.talanta.2013.04.011
Yusakul, Gorawit ; Udomsin, Orapin ; Juengwatanatrakul, Thaweesak ; Tanaka, Hiroyuki ; Chaichantipyuth, Chaiyo ; Putalun, Waraporn. / Highly selective and sensitive determination of deoxymiroestrol using a polyclonal antibody-based enzyme-linked immunosorbent assay. In: Talanta. 2013 ; Vol. 114. pp. 73-78.
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