Angiotensin I converting enzyme inhibitory peptides generated from oligopeptides by intestinal mucosa peptidases

Eiji Seki, Katsuhiro Osajima, Hiroshi Matsufuji, Toshiro Matsui, Yutaka Osajima

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Peptide hydrolases were prepared from porcine small intestinal mucosa and their properties were examined using the following peptide substrates : Arg-Lys-Glu-Val-Tyr, Arg-Lys-Asp-Val-Tyr, Val-Tyr-Val, ACE inhibitory dipeptides, and other dipeptides. Peptide hydrolases hydrolyzed all the peptides above cited, and released the amino acid from the NH2-terminus of the tri and pentapeptides. Ile-His, Gly-Pro, Phe-Pro, His-Pro, Pro-Phe, Asp-Glu, Asp-Asp, Glu-Glu, Glu-Asp, Gly-Sar, Pro-Gly, and Val-Tyr showed resistance to dipeptidases, but, Gly-Trp, Met-Phe, and Arg-Tyr, with ACE inhibitory activity were rapidly hydrolyzed. Glu-Val-Tyr and Asp-Val-Tyr rapidly released Glu and Asp, respectively, as tri and aminopeptidases. The results suggested that the primary structure of dipeptides, tripeptides, and oligopeptides are involved in ACE activity. Val-Tyr is a major ACE inhibitory peptide derived from sardines. Also, oligopeptides having Val-Tyr at the COOH-terminus were rapidly hydrolyzed by peptide hydrolases including tri and aminopeptidases from porcine small intestinal mucosa, but, resistant Val-Tyr had a potent ACE inhibitory activity.

Original languageEnglish
Pages (from-to)21-27
Number of pages7
JournalNippon Nogeikagaku Kaishi
Volume70
Issue number1
DOIs
Publication statusPublished - Jan 1 1996

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valyltyrosine
oligopeptides
Oligopeptides
dipeptides
Dipeptides
peptidases
peptidyl-dipeptidase A
Peptidyl-Dipeptidase A
Intestinal Mucosa
intestinal mucosa
leucyl aminopeptidase
Aminopeptidases
Peptide Hydrolases
peptides
Peptides
Dipeptidases
splenopentin
aspartyl-aspartic acid
methionylphenylalanine
dipeptidases

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Food Science
  • Chemistry (miscellaneous)
  • Medicine (miscellaneous)

Cite this

Angiotensin I converting enzyme inhibitory peptides generated from oligopeptides by intestinal mucosa peptidases. / Seki, Eiji; Osajima, Katsuhiro; Matsufuji, Hiroshi; Matsui, Toshiro; Osajima, Yutaka.

In: Nippon Nogeikagaku Kaishi, Vol. 70, No. 1, 01.01.1996, p. 21-27.

Research output: Contribution to journalArticle

Seki, Eiji ; Osajima, Katsuhiro ; Matsufuji, Hiroshi ; Matsui, Toshiro ; Osajima, Yutaka. / Angiotensin I converting enzyme inhibitory peptides generated from oligopeptides by intestinal mucosa peptidases. In: Nippon Nogeikagaku Kaishi. 1996 ; Vol. 70, No. 1. pp. 21-27.
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