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- W2389803721 abstract "Polysaccharides from Enteromorpha prolifera were prepared in our laboratory and degraded with trifluoroacetic acid(TFA) in smaller molecules.The antioxidant activity of the degradation products was evaluated in terms of hydroxyl radical scavenging activity.Using orthogonal array design,we established the optimal degradation conditions to be treatment with 1.0 mol/L TFA at 80 ℃ for 5 hours with a solid-to-liquid ratio of 1:200(g/mL).Under these conditions,the yield of degradation products was 40.05%.The hydroxyl radical scavenging rate of the degraded polysaccharides reached 61.83%,with an IC50 of 0.3521 mg/mL compared to 1.8940 mg/mL for the intact polysaccharides,suggesting these degradation products have significantly higher antioxidant activity.Moreover,the intrinsic viscosity(60.618 mL/g) of the intact polysaccharides was reduced to 22.789 mL/g after the degradation,and the average relative molecular weight(1.19 × 105) was lowered to 6.41 × 104." @default.
- W2389803721 created "2016-06-24" @default.
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- W2389803721 date "2013-01-01" @default.
- W2389803721 modified "2023-09-25" @default.
- W2389803721 title "Acid-Catalyzed Degradation of Polysaccharides from Enteromorpha prolifera and Hydroxyl Radical Scavenging Activity of Degradation Products" @default.
- W2389803721 hasPublicationYear "2013" @default.
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