Determination of antihypertensive small peptides, Val-Tyr and Ile-Val-Tyr, by fluorometric high-performance liquid chromatography combined with a double heart-cut column-switching technique

Takao Ueno, Mitsuru Tanaka, Toshiro Matsui, Kiyoshi Matsumoto

研究成果: ジャーナルへの寄稿学術誌査読

14 被引用数 (Scopus)

抄録

A double column-switching HPLC method with naphthalene-2,3-dialdehyde (NDA) was applied for determination of two plasma antihypertensive peptides, Val-Tyr (VY) and Ile-Val-Tyr (IVY). After a first separation on a Phe-ODS column, double heart-cuts of the retention time corresponding to NDA-VY and NDA-IVY elutions were successfully separated on an analytical ODS column: 60% acetonitrile in 0.1% trifluoroacetic acid containing 5 mM sodium 1-octanesulfonate at 1.0 mL/min. Within-run coefficients of variation were 1.73% and 4.73% for VY and IVY, respectively. 2005

本文言語英語
ページ(範囲)997-1000
ページ数4
ジャーナルanalytical sciences
21
8
DOI
出版ステータス出版済み - 8月 2005

!!!All Science Journal Classification (ASJC) codes

  • 分析化学

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