Oxidation of starch
AssigneeCooperative Verkoop-en Productievereniging van Aardappelmeel en Derivaten AVEBE B.A.
InventorsRonald Peter W. Kesselmans, Ido Pieter Bleeker
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Abstract
The invention relates a process of oxidizing starch wherein a root or tuber starch comprising at least 95 wt. % based on dry substance of the starch amylopectin, or a derivative therof, is treated with hydrogen peroxide in the presence of a catalyst, which catalyst comprises divalent copper ions. The present invention further relates to an oxidizable starch obtainable by a process comprising treating a starch with hydrogen peroxide in the presence of a catalyst, which catalyst comprises divalent copper ions.
Claims10
A process for oxidizing starch comprising treating a root or tuber starch comprising at least 95 wt. % of amylopectin based on dry substance of the starch, or a derivative thereof, with hydrogen peroxide in the presence of a catalyst, wherein the catalyst comprises divalent copper ions in an amount from about 5 ppb to about 5000 ppb based on dry substance of starch.
Dependencies are inferred from the claim text.