Dietary effect of yeast extract or glutathione on lipid metabolism and immune function of Sprague-Dawley rats

Po Sheng Wu, Yoko Tokunaga, Ken Ichi Okura, Atsushi Ikeda, Michiko Nonaka, Hirofumi Tachibana, Koji Yamada

Research output: Contribution to journalArticle

Abstract

Dietary effect of yeast extract YH (YH) and glutathione on lipid metabolism and immune function of Sprague-Dawley rats was examined. Dietary effect of these diets was small on growth and tissue weights, as well as the effect on serum levels of cholesterol, triglycerides, phospholipids and tribarbituric acid reactive substances. On the other hand, LTB4-releasing activity of peritoneal exudate cells was significantly lower in the rats fed 10% YH diet than the rats fed control or 1% YH diet. In the rats fed 0.01% GSH diet, enough number of peritoneal exudate cells was not recovered. In addition, YH and GSH feeding slightly decreased the levels of serum IgA, IgG and IgM, as well as the productivities of these antibodies in spleen lymphocytes. These results suggest that YH feeding affects rat immune functions such as eicosanoid and immunoglobulin production.

Original languageEnglish
Pages (from-to)61-66
Number of pages6
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume47
Issue number1
Publication statusPublished - Oct 2002

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yeast extract
Lipid Metabolism
lipid metabolism
Glutathione
Sprague Dawley Rats
glutathione
Yeasts
Diet
rats
Exudates and Transudates
diet
Leukotriene B4
Eicosanoids
Serum
eicosanoids
Immunoglobulin A
Immunoglobulin M
Immunoglobulins
Phospholipids
tissue weight

All Science Journal Classification (ASJC) codes

  • Agricultural and Biological Sciences (miscellaneous)

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Dietary effect of yeast extract or glutathione on lipid metabolism and immune function of Sprague-Dawley rats. / Wu, Po Sheng; Tokunaga, Yoko; Okura, Ken Ichi; Ikeda, Atsushi; Nonaka, Michiko; Tachibana, Hirofumi; Yamada, Koji.

In: Journal of the Faculty of Agriculture, Kyushu University, Vol. 47, No. 1, 10.2002, p. 61-66.

Research output: Contribution to journalArticle

Wu, Po Sheng ; Tokunaga, Yoko ; Okura, Ken Ichi ; Ikeda, Atsushi ; Nonaka, Michiko ; Tachibana, Hirofumi ; Yamada, Koji. / Dietary effect of yeast extract or glutathione on lipid metabolism and immune function of Sprague-Dawley rats. In: Journal of the Faculty of Agriculture, Kyushu University. 2002 ; Vol. 47, No. 1. pp. 61-66.
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