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Chemical Features and Purification of Immunostimulating Polysaccharides from the Fruit Bodies of Agaricus blazei

Soo Muk Cho, Jeong Sik Park, Kwang Po Kim, Dong Yeol, Hwan Mook Kim, Ick Dong Yoo

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Abstract

Water-soluble polysaccharides from the fruiting bodies of Agaricus blazei Murill were extracted with 0.9% sodium chloride and hot water, successively. The purified polysaccharides showed a potent immunostimulating activity. Eight major polysaccharides, which were named from AG-l to AG-8, were fractionated and purified by ethanol precipitation, ion exchange chromatography on DEAE-cellulose and gel filtration on Toyopearl HW 65F. These polysaccharides were identified to be homogeneous by analysis of HPLC. Three major active polysaccharides (AG-2, -3, and -6) showed relatively strong immunostimulating activity. AG-2 and -3 were composed of glucose, galactose and mannose in the molar ratios of 74.0:15.3:10.7 and 63.6:17.6:12.7, respectively. AG-6 was composed of glucose and ribose in the molar ratios of 81.4:12.6.

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What this paper is about

Water-soluble polysaccharides from the fruiting bodies of Agaricus blazei Murill were extracted with 0.9% sodium chloride and hot water, successively. The purified polysaccharides showed a potent immunostimulating activity. Eight major polysaccharides, which were named from AG-l to AG-8, were fractionated and purified by ethanol precipitation, ion exchange chromatography on DEAE-cellulose and gel filtration on Toyopearl HW 65F. These polysaccharides were identified to be homogeneous by analysis of HPLC. Three major active polysaccharides (AG-2, -3, and -6) showed relatively strong immunostimulating activity. AG-2 and -3 were composed of glucose, galactose and mannose in the molar ratios of 74.0:15.3:10.7 and 63.6:17.6:12.7, respectively. AG-6 was composed of glucose and ribose in the molar ratios of 81.4:12.6.

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Available abstract

Water-soluble polysaccharides from the fruiting bodies of Agaricus blazei Murill were extracted with 0.9% sodium chloride and hot water, successively. The purified polysaccharides showed a potent immunostimulating activity. Eight major polysaccharides, which were named from AG-l to AG-8, were fractionated and purified by ethanol precipitation, ion exchange chromatography on DEAE-cellulose and gel filtration on Toyopearl HW 65F. These polysaccharides were identified to be homogeneous by analysis of HPLC. Three major active polysaccharides (AG-2, -3, and -6) showed relatively strong immunostimulating activity. AG-2 and -3 were composed of glucose, galactose and mannose in the molar ratios of 74.0:15.3:10.7 and 63.6:17.6:12.7, respectively. AG-6 was composed of glucose and ribose in the molar ratios of 81.4:12.6.

Key concepts: Polysaccharide, Ethanol precipitation, Chemistry, Galactose, Chromatography, Mannose, Size-exclusion chromatography, Agaricus

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Chemical Features and Purification of Immunostimulating Polysaccharides from the Fruit Bodies of Agaricus blazei — Research Paper | ScholarLens