A simple determination of vitamin A in margarine.  I.  A simple method to remove the artificial dyes, yellow AB and OB.
D004396:Coloring Agents; D005223:Fats; D008383:Margarine; D014801:Vitamin A / Q000032:analysis*
D004396:Coloring Agents; D005223:Fats; D014801:Vitamin A; D008383:Margarine
FATS; VITAMIN A/determination