A simple determination of vitamin A in margarine.  II.  On the reaction between yellow AB or OB and aldehydes.
D000447:Aldehydes; D005223:Fats; D008383:Margarine; D014801:Vitamin A / Q000032:analysis*
D000447:Aldehydes; D005223:Fats; D014801:Vitamin A; D008383:Margarine
FATS; VITAMIN A/determination