Structure-Activity Relationship of Immunoregulatory Factors in Foodstuffs

Koji Yamada, Hirofumi Tachibana, Noritaka Matsuo, Kazuo Nishiyama, Michihiro Sugano

Research output: Contribution to journalReview article

15 Citations (Scopus)

Abstract

The structure-activity relationship of allergy enhancing and suppressing factors in foodstuffs was summarized in this text. Polyunsaturated fatty acids (PUFA) enhance allergic response by enhancing IgE production and by suppressing production of other antibodies in rat lymphocytes. Because the expression of IgE production enhancing activity was inhibited by lipophilic antioxidants, lipid oxidation reaction seems to have participated in the activity. Xanthene dyes, a group of synthetic dyes, also exert IgE production enhancing effect, and the activity is dependent on the degree of halogenation. On the other hand, PUFA exert anti-allergic effect by suppressing the release of chemical mediators from rat peritoneal exudate cells, and the activity becomes stronger with the increase in the number of double bonds. In addition, antioxidants such as tea polyphenols (TP) and flavonoids exert anti-allergic effect mainly due to the suppression of chemical mediator release. Histamine release suppressing activity is observed in triphenol derivatives, but not in diphenols. On the contrary, LTB4 release suppressing activity is observed in mono and diphenolic derivatives with antioxidative activity. These results suggest that various food components have immunoregulatory activity and that optimization of their intake is desirable.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalFood Science and Technology Research
Volume5
Issue number1
DOIs
Publication statusPublished - Jan 1 1999

Fingerprint

structure-activity relationships
Structure-Activity Relationship
Immunoglobulin E
dyes
polyunsaturated fatty acids
Anti-Allergic Agents
chemical derivatives
Polyunsaturated fatty acids
Unsaturated Fatty Acids
antioxidants
rats
antibody formation
Coloring Agents
Xanthenes
histamine
Antioxidants
hypersensitivity
tea
Rats
polyphenols

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Food Science
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering
  • Marketing

Cite this

Structure-Activity Relationship of Immunoregulatory Factors in Foodstuffs. / Yamada, Koji; Tachibana, Hirofumi; Matsuo, Noritaka; Nishiyama, Kazuo; Sugano, Michihiro.

In: Food Science and Technology Research, Vol. 5, No. 1, 01.01.1999, p. 1-8.

Research output: Contribution to journalReview article

Yamada, Koji ; Tachibana, Hirofumi ; Matsuo, Noritaka ; Nishiyama, Kazuo ; Sugano, Michihiro. / Structure-Activity Relationship of Immunoregulatory Factors in Foodstuffs. In: Food Science and Technology Research. 1999 ; Vol. 5, No. 1. pp. 1-8.
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