Explains the manufacture of margarine. Shows how a proportion of the liquid vegetable oil must be converted into a solid fat before vegetable oils can be blended in the production of margarine. Uses animated diagrams to explain the process of hydrogenation, the function of a catalyst and the types of fatty emulsions. From the series “Vegetable oils and fats”.
How to watch
In ACMI's collection
16mm film; Access Print (Section 1)