noun
- a chemical process in which hydrogen is added to an unsaturated organic compound, typically converting liquid oils into solid or semi-solid fats
Usage: chemistry; commonly used in food processing and industrial applications
Examples
- The hydrogenation of vegetable oil produces margarine.
- Partial hydrogenation creates trans fats, which are now restricted in many foods.
- Industrial hydrogenation requires high pressure and a metal catalyst.
- The hydrogenation process makes oils more stable and longer-lasting.
- Food manufacturers have reduced hydrogenation in response to health concerns.