Fats and Oils

Fats and Oils

1. Fats

   • Fats are a nutrient that is essential for body energy, insulation, and protection.
     • Protect internal organs from shock and injury, insulate the body, and promote healthy skin. The provide 9 calories per gram.

2. Oils are fats that are liquid at room temperature. Oils come from plants and fish.

   • My pyramid has an oil group and my plate does not have an oil group.
   • Hydrogenation- chemical process making liquid fats into solid fats
     • Lard- Extracted from animal fats
       • Rancid- Fats that have begun to decompose
         • Butter- fat extracted from milk and churned into a solid

3. Lipids- A family of chemical compounds, which includes fat and oils.

   • Cholesterol- A fat-like substance made of glucose or saturated fat( in our blood).
     • Essential for many blood processes
       • Produces hormones and bile acids
     • HDL and LDL
       • High/ Low density lipoprotein

4. Fat is a great source of back up energy, should be secondary to carbohydrates.

   • Fats are the most concentrated source of energy.

5. Fat Functions.

   • Supplies heat.
   • Carries Vitamin A,D,E,and K.
     • Adds flavor to food.
       • Protects organs from shock and injury.
         • Promotes healthy skin.
   • Satisfies hunger.

6. Fatty Acids are the chemical chains that make up fats.

   • Saturated- Usually come from animal suorces, solid at room temp.
     • Polyunsaturated- found in veggies and fish, semi liquid at room temp.
       • Monounsaturated- liquid at room temp.
   • Trans Fat- Unsaturated fat moluclue chemically changed to be a solid fat.