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Recombinant Amylosucrase (AS) from Neisseria polysaccharea was used to modify waxy corn starch, and the reaction process was monitored by the turbidity and transglycosylation degree (TD). Results showed that the modification by AS significantly elongated the chain length of the starches, resulting in the formation of precipitate. Based on regression equation, AS-modified starches with defined TD values...
In this study, polysaccharide extracted from Cyclocarya paliurus was chemically modified to obtain its sulfated derivatives. The physicochemical characterizations and antioxidant properties of these sulfated polysaccharide derivatives were comparatively investigated by chemical methods, circular dichroism spectra, high-performance anion exchange chromatography, high-performance gel permeation chromatography,...
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