Immunologially Applicability for Foods of Short Chain Peptides Derived from Sardines

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

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Short chain peptides with the average chain length of 2.67 prepared from sardine protein have reductive effects on blood pressure, and are expected to be a physiologically functional foodstuff. The short chain peptides were found to be negative in the active systemic anaphylaxis (ASA) test in guinea pigs sensitized by oral administrations of the short chain peptides. Negative results were also obtained in the homologous passive cutaneous anaphylaxis (PCA) test, which was done against sera from guinea pigs sensitized by oral administration of the short chain peptides. The short chain peptides have a potent angiotensin I converting enzyme (ACE) inhibitory activity, this enzyme catalyses the activation of angijotensin II and inactivation of bradykinin. The bradykinin is able to stimulate macrophages, to enhance lymphocyte migration, and to increase secretion of lymphokines. The short chain peptides favor bradykinin activity, which showed concentrated pigment coloration in the PCA test by subcutaneous sensitization. These results suggest that the short chain peptides have no antigenicity by oral administration, and are usable in foods.

Original languageEnglish
Pages (from-to)1171-1174
Number of pages4
JournalNippon Nogeikagaku Kaishi
Volume69
Issue number9
DOIs
Publication statusPublished - Jan 1 1995

Fingerprint

Food Chain
sardines
peptides
Peptides
bradykinin
anaphylaxis
Bradykinin
oral administration
Oral Administration
Passive Cutaneous Anaphylaxis
Skin Tests
guinea pigs
Guinea Pigs
lymphokines
enzyme activation
Enzyme Activation
Lymphocytes
Lymphokines
Macrophages
peptidyl-dipeptidase A

All Science Journal Classification (ASJC) codes

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

Cite this

Immunologially Applicability for Foods of Short Chain Peptides Derived from Sardines. / Seki, Eiji; Osajima, Katsuhiro; Matsufuji, Hiroshi; Matsui, Toshiro; Osajima, Yutaka.

In: Nippon Nogeikagaku Kaishi, Vol. 69, No. 9, 01.01.1995, p. 1171-1174.

Research output: Contribution to journalArticle

Seki, Eiji ; Osajima, Katsuhiro ; Matsufuji, Hiroshi ; Matsui, Toshiro ; Osajima, Yutaka. / Immunologially Applicability for Foods of Short Chain Peptides Derived from Sardines. In: Nippon Nogeikagaku Kaishi. 1995 ; Vol. 69, No. 9. pp. 1171-1174.
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