Effects of Processing on Fats:

• Hydrogenation

  • adding hydrogens
    • makes them stay fresh longer
    • higher smoking point
    • changes the physical properties
    • fats now more saturated

• Trans fatty acids

  • hydrogenation also causes trans formation, a change in the chemical structure
    • ? LDL
    • ? risk for cancer?

• So what’s healthier - margarine or butter?

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