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Int Immunopharmacol. 2013 Apr;15(4):666-70. doi: 10.1016/j.intimp.2013.03.015. Epub 2013 Mar 25.

Inhibitory effect of chaga mushroom extract on compound 48/80-induced anaphylactic shock and IgE production in mice.

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Department of Food & Nutrition, Yuhan College, Bucheon 422-749, Republic of Korea.


Chaga mushrooms (Inonotus obliquus) are hypothesised to exhibit general immune-potentiating, anti-inflammatory, and antitumor properties, but their anti-allergic activities are not fully understood. Therefore, this study investigated whether a chaga mushroom extract (C-HE) might have anti-allergic activity. This activity was assessed through the levels of the IgE Ab produced in response to an allergen (OVA). The administration of C-HE prophylactically inhibited the systemic anaphylactic shock induced by compound 48/80 in mice. The oral administration of C-HE significantly reduced the total IgE levels in mice and slightly affected the production of IgG1. Furthermore, spleen cell cultures harvested from OVA-sensitised mice that had received C-HE orally showed a significant increase in Th1-derived responses (IFN-γ production). Therefore, our results suggest that the chaga mushroom extract may be used as an anti-allergic functional food.

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