Compound extract of common phellinus fungus and chaga, its preparing method and preparation

From the paper

Abstract

The present invention relates to a compound extract of fomes yucafensis and betulin, its preparation method and preparation. Said preparation method includes the following steps: (1), respectively pulverizing fomes yucafensis and betulin (2), mixing (by weight portion) 2-8 portions of fomes yucafensis powder and 3.5-11.5 portions of betulin powder soaking the obtained mixturein water, heating to make water extraction, taking out supernatant fluid to obtain the supernatant fluid A (3), adding water into the mixture extracted by step 2 and making water extraction, taking out supernatant fluid to obtain supernatant fluid B (4), mixing the above-mentioned two supernatant fluids to obtain their mixed liquor, removing protein, lipid and impurity and (5), concentrating and drying said mixed liquor so as to obtain the invented compound extract of fomes yucafensis and belutin.