Degradation Polysaccharides from Benincasa hispida var. chieh-qua How: Unveiling Bioactive Properties of Degraded Compounds

This study reported an effective method for the degradation of Chieh-qua (Benincasa hispida var. Chieh-qua How) polysaccharides (BHCP) by a hydrogen peroxide-ascorbic acid oxidation (H O -V ) system. The degradation conditions were optimized using a Box-Behnken response surface design as concentrati...

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Veröffentlicht in:Chemistry & biodiversity 2024-11, p.e202402204
Hauptverfasser: Sheng, Xin-Yuan, Zhang, Hai-Jiang, Chen, Xin-Juan, Wang, Kui-Wu
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description This study reported an effective method for the degradation of Chieh-qua (Benincasa hispida var. Chieh-qua How) polysaccharides (BHCP) by a hydrogen peroxide-ascorbic acid oxidation (H O -V ) system. The degradation conditions were optimized using a Box-Behnken response surface design as concentration of H O -V 19.5 mM, degradation temperature 46.4 °C and degradation time 1.0 h. The average molecular weight was decreased and total sugar content was raised of the degraded polysaccharide (DBHCP). Two refined degraded polysaccharides (DBHCP-1, DBHCP-2) were purified and prepared, and their structures were analyzed by chemical and spectral analysis. The in vitro experiments showed that degraded polysaccharides (DBHCP and DBHCP-1) have better antioxidant and anti-tyrosinase activity than natural polysaccharide BHCP. These findings support the potential application of Chieh-qua polysaccharides in the food and medical industries.
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title Degradation Polysaccharides from Benincasa hispida var. chieh-qua How: Unveiling Bioactive Properties of Degraded Compounds
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