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A novel water-soluble polysaccharide (GPP), with a molecular mass of 7.1×10 3 Da, was isolated from the defatted whole-plant of diploid Gynostemma pentaphyllum Makino. Monosaccharide composition analysis indicated that GPP was a heteropolysaccharide mainly containing mannose, glucose, galactose and arabinose, at a molar ratio of 1.00:77.33:4.81:1.83. The detailed structure analysis revealed...
Response surface methodology (RSM) was employed to optimize the parameters for polysaccharide extracted from the aerial parts of Sarcandra glabra (SGP). The optimum conditions were predicted as follows, ratio of water to raw material at 30, extracting temperature at 85°C, extracting duration at 3h, and yield was estimated at 4.55%. The experimental yield of SGP under the optimum conditions was 4.49±0...
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