This European Standard specifies a method forThe detechromatography (HPLC).The determination of vitamin A13-cis-retinol and }rcarotene.This part coversThermination of vitamin A in foodstuffs by high‘ performance liquidcontent is carnea out }yThe measurement of an-traps-retino},measurement of all-traps-retinol and 13-cis-retinol.