A new highly selective and specific anti-puerarin polyclonal antibody for determination of puerarin using a mannich reaction hapten conjugate

Orapin Udomsin, Supaluk Krittanai, Tharita Kitisripanya, Hiroyuki Tanaka, Waraporn Putalun

研究成果: Contribution to journalArticle査読

3 被引用数 (Scopus)

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Background: Puerarin (PUE) is a phytoestrogen found in Pueraria candollei and Pueraria lobata. These plants are substantial for traditional medicine in various Asian countries. PUE is a key marker that can be found only in the Pueraria species. Objective: To establish the method for determination of PUE content which is required for quality control of pharmaceutical products. Materials and Methods: PUE-cationized bovine serum albumin conjugate was created via Mannich reaction. After the rabbit immunization, the obtain anti-PUE polyclonal antibody (PAb) was used to develop an enzyme-linked immunosorbent assay (ELISA). Results: An anti-PUE PAb possess a great sensitivity and specificity. The cross-reactivity analysis shows no cross-reaction of an established antibody against other substances. In addition, we successfully developed an indirect competitive ELISA (icELISA) for the quantitative analysis of PUE. The result of method validation conforms to acceptance criteria and correlates with high-performance liquid chromatography, the reference method. The icELISA was applied to determine PUE content in Pueraria spp. plant samples and its derived pharmaceutical products. Conclusion: This highly specific immunogen was created from the Mannich reaction. An icELISA can also be applied to other research propose in the further studies. Abbreviations used: PUE: Puerarin; PAb: Polyclonal antibody; ELISA: Enzyme-linked immunosorbent assay; icELISA: Indirect competitive ELISA; cBSA: Cationized bovine serum albumin.

本文言語英語
ページ(範囲)S845-S851
ジャーナルPharmacognosy Magazine
13
52
DOI
出版ステータス出版済み - 10 1 2017

All Science Journal Classification (ASJC) codes

  • Pharmaceutical Science
  • Drug Discovery

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