Korean J Nutr.  2004 Jan;37(1):23-30.

Effect of Zingiber Officinale Roscoe Extracts on Mice Immune Cell Activation

Affiliations
  • 1Major in Food and Nutrition, College of Life Science, Sookmyung Women's University, Seoul, Korea.

Abstract

Ginger (Zingiber officinale Roscoe) has been used as a raw material in many traditional preparations since the ancient time. As a component of traditional health products, Ginger is known to be effective as appetite enhancer, anticold and anti-inflammation. This study was performed to investigate the immunomodulative effects of Ginger in mouse, using in vitro and ex vivo experiments. In vitro experiment, the mice splenocytes proliferation and three kinds of cytokines (IL-1beta, IL-6, and TNF-alpha) prodution by peritoneal macrophages cultured with ethanol and water extracts of Ginger were used to indicate the immunomodulative effect. In order to elucidate the immunomodulative effects of Ginger ex vivo, water extract of Ginger was orally administrated into mice, and isolated splencytes and macrophages were used as experimental model. Ex vivo experiment, six to seven week old mice were fed ad libitum on a chow diet, and water extract of Ginger was orally administrated every other day for four weeks at two different concentractions (50 and 500 mg/kg B.W./day). In vitro study, the splenocytes proliferation was increased when water extract was supplemented in the range of 50-500 microliter/ml concentration. In case of cytokines production, IL-1beta, IL-6 and TNF-alpha released by activated peritoneal macrophages were augmented by the supplementation of water extract of the Ginger. Ex vivo experiment, the highest proliferation of splenocytes and production of cytokines by activated peritoneal macrophages were seen in the mice orally administrated at the concentration of 500 mg/kg B.W./day. In conclusion, this study suggests that Ginger extracts may enhance the immune function by regulating the splenocytes proliferation and enhancing the cytokine prodution capacity by activated macrophages in mice.

Keyword

ginger extracts; immunomodulating; splenocytes proliferation; IL-1beta; IL-6; TNF-alpha

MeSH Terms

Animals
Appetite
Cytokines
Diet
Ethanol
Ginger*
Interleukin-6
Macrophages
Macrophages, Peritoneal
Mice*
Models, Theoretical
Tumor Necrosis Factor-alpha
Water
Cytokines
Ethanol
Interleukin-6
Tumor Necrosis Factor-alpha
Water
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