Inonotus obliquus extracts suppress antigen-specific IgE ...
2011-10-11u2002·u2002IO powder (50 g) was dissolved in 1 L of distilled water using a stirrer for 8 h at 83 °C. The dissolved solution was filtered through filter paper. The filtered solution was evaporated (Büchi Labortechnik AG, Flawil, Switzerland) and lyophilized overnight with a freeze dryer. IO extract (IOE) was stored at −20 °C and diluted before use. 2.2
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