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김병각,최응칠,정경수,김양섭 한국균학회 1983 韓國菌學會誌 Vol.11 No.2
To investigate antitumor constituents of Hydnum repandum, which belongs to edible basidiomycetes, the mycelia separated from the carpophore were shake-cultured and subjected to hot water extraction. The extract was concentrated under vacuum and mixed with a three-fold volume of 95% ethanol to yield precipitates. The water soluble fraction of the precipitates was dialyzed and then lyophilized to yield a water soluble protein-polysaccharide fraction (=WPPF). This exerted antitumor activity against sarcoma 180 implanted in ICR mice. When administered i.p. at the dose level of 20 ㎎/㎏ once daily for ten consecutive days, it showed an inhibition ratio of 54.3%. WPPF was found to be composed of a polysaccharide moiety (42% of WPPF) and a protein moiety (28% of WPPF) when determined by colorimetric method using anthrone reagent and Folin's phenol reagent. The polysaccharide moiety of WPPF was found to contain glucose (57.4%), mannose (19.3%), galactose (10.8%), xylose (6.8%), and fucose (5.7%), when the methanolysate of WPPF was analysed by GLC method.