Many Ginseng Compounds Keep You Healthy : Terry Talks Nutrition

Study Spotlight

Study Spotlight

Many Ginseng Compounds Keep You Healthy


Panax ginseng is well known to boost energy or libido, but there’s much more to this ancient adaptogen than that. While ginsenosides, especially noble ginsenosides are considered some of the herb’s most potent compounds, there are other constituents that add synergistic value. Ginsan is one of them.

This polysaccharide has been shown to help dendritic cells – cells that produce antigens in the body – increase the production of natural immune-bolstering compounds.

Research like this points to the reason why it is so important to supplement with a whole root ginseng supplement that retains a broad spectrum of actions.

Abstract:

Kim MH, Byon YY, Ko EJ, et al. Immunomodulatory activity of ginsan, a polysaccharide of Panax ginseng, on dendritic cells. Korean J Physiol Pharmacol. 2009;13(3):169–173. doi:10.4196/kjpp.2009.13.3.169

Ginsan, a Panax ginseng polysaccharide that contains glucopyranoside and fructofuranoside, has immunomodulatory effects. Although several biologic studies of ginsan have been performed, its effects on dendritic cells (DCs), which are antigen-presenting cells of the immune system, have not been studied. We investigated the immunomodulatory effects of ginsan on DCs. Ginsan had little effect on DC viability, even when used at high concentrations. Ginsan markedly increased the levels of production by DCs of IL-12 and TNF-alpha, as measured by ELISA. To examine the maturation-inducing activity of ginsan, we measured the surface expression levels of the maturation markers MHC class II and CD86 (B7.2) on DCs. It is interesting that ginsan profoundly enhanced the expression of CD86 on DC surfaces, whereas it increased that of MHC class II only marginally. In (3)H-thymidine incorporation assays, ginsan-treated DCs stimulated significantly higher proliferation of allogeneic CD4(+) T lymphocytes than did medium-treated DCs. Taken together, our data demonstrate that ginsan stimulates DCs by inducing maturation. Because DCs are critical antigen-presenting cells in immune responses, this study provides valuable information on the activities of ginsan.

Click here for the complete article: Immunomodulatory Activity of Ginsan, a Polysaccharide of Panax Ginseng, on Dendritic Cells

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