This European Standard specifies an enzymatic method for the determination of the total content of D-isocitric acid, present either in the form of the free acid or its salts including esters and lactones in fruit and vegetable juices and related products.
DS/EN 1139:1995 history
1995DS/EN 1139:1995 Fruit and vegetable juices - Enzymatic determination of D-isocitric acid content - NADPH spectrometric method