ISO 11213:1995

Current Revision
Modified starch -- Determination of acetyl content -- Enzymatic method

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ISO 11213:1995

Modified starch -- Determination of acetyl content -- Enzymatic method

PUBLISH DATE 1995
ISO 11213:1995

Applies to modified starch, both granular and soluble in cold water.

The methods specified enable to measure total and free acetyl contents; bound acetyl content is calculated as the difference of the two values.

Total content is determined by heating the sample with dilute hydrochloric acid and converting the acetate with adenosine-5-triphosphate (ATP) and coenzyme A (CoA) to acetyl-CoA.

The methods are suitable for determining acetyl contents up to 2 % (m/m).

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