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Response surface methodology was used to optimize the extraction of crude polysaccharides from the fruiting bodies of Gomphidius rutilus. A central composite design was adopted to determine the combination of factors (extraction time, extraction temperature, extraction frequency, and ratio of water to raw material) that resulted in the maximum crude polysaccharide production. Results showed that the...
The production conditions of the Gomphidius rutilus exopolysaccharides (GREP) in submerged culture were optimised, and the antioxidant activities of GREP in vitro were evaluated. The optimal culture medium constituents were determined as follows: 30g/L sucrose, 3.0g/L soybean meal, 0.25g/L MgSO 4 , 1.5g/LK 2 HPO 4 , 0.5g/L KH 2 PO 4 , 0.03g/L ZnSO 4 ...
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