ISSN print edition: 0366-6352
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Preparation and fractionation of highly substituted hydroxyethyl derivative of acid-hydrolyzed potato starch

V. Kaláč, K. Babor, and K. Tihlárik

Institute of Chemistry, Slovak Academy of Sciences, 809 33 Bratislava

 

Abstract:  A procedure of purification of acid-hydrolyzed potato starch was elaborated and its hydroxyethylation under various conditions has been studied. The products were fractionated and their physicochemical characteristics have been determined. While fractions obtained by precipitation of aqueous solutions of hydroxyethylstarch with acetone differed in their molecular weight, precipita­tion with methanol yielded fractions having different degree of substitution.

Full paper in Portable Document Format: 342a228.pdf

 

Chemical Papers 34 (2) 228–233 (1980)

Tuesday, July 16, 2019

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