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Anti-complementary assay for immuno-stimulating polysaccharide screening, human tumor colony-forming assay for discovering anti-tumor drugs, and toxic assay against mouse were performed to examine pharmacological activities of polysaccharides extracted from fruiting bodies of Jang-soo mushroom (Fomi...

Anti-complementary assay for immuno-stimulating polysaccharide screening, human tumor colony-forming assay for discovering anti-tumor drugs, and toxic assay against mouse were performed to examine pharmacological activities of polysaccharides extracted from fruiting bodies of Jang-soo mushroom (Fomitella fraxinea). Hot water $(100^{\circ}C,\;FF-I)$, 1% ammonium oxalate solution $(80^{\circ}C,\;FF-II)$, and 5% sodium hydroxide solution $(80^{\circ}C,\;FF-III)$ were used for extraction of three polysaccharides from fruiting bodies of it. Anti-complementary activity of FF-I was more effective than the others. FF-I was further fractionated into three groups of polysaccharide by DEAE-Sephadex A25 column chromatography (FF-NP, FF-AP1, and FF-AP2). FF-AP1 showed not only the highest anti-complementary activity but also the growth-inhibitory activity against Snu-I (human stomach cancer cell) among 9 kinds of human tumor cell lines. But FF-AP2 exhibited its activity against Hep-2(larynx cancer) and KB(mouth epidermal cancer) cell lines at $500\;{\mu}g/ml$ although its anti-complementary activity was lower than it of FF-AP1. When FF-I was orally administrated to mice with dosage of 5000 mg/kg, no remarkable changes were observed in viewpoint of tissue-pathology.

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