Fats
- Created by: ExamQueen101
- Created on: 27-11-19 10:15
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- Fat
- Functions in the body
- 1. Store of energy in the adipose tissue
- 2. Insulates the body to keep us warm
- 3. Protects bones & kidneys from damage with a protective cushion of adipose tissue
- 4. Fat-soluble vitamins A, D, E and K
- Effects of Excess
- If it is not used as energy it is stored as adipose tissue under the skin and elsewhere in the body
- Gain weight / become obese
- Too much saturated fat can cause Coronary Heart Disease (CHD) in some people
- If it is not used as energy it is stored as adipose tissue under the skin and elsewhere in the body
- Effects of Deficiency
- Not enough of Vitamins A, D, E and K
- Body chills fast because the body is not insulated
- If carbs are also reduced, you will lose weight as the energy store is used and not replaced
- Bruise easily because adipose tissue is not thick enough to prevent damage to the blood vessels & bones
- DRV's
- Fat should be no more than 35% food energy per day
- Saturated Fatty Acids: 11%
- Monounsaturated Fat: 13%
- Polyunsaturated Fats: 6.5%
- Trans Fat: no more than 2% per day
- Food Sources
- Solid Plant Fat
- Invisible
- Biscuits
- Cakes
- Processed Foods
- Ready Meats
- Visible
- White Veg Fat
- Coconut Butter
- Coconut Cream
- Invisible
- Liquid Plant Fat
- Visible
- Nuts & seed Oils
- Invisible
- Ready Meats
- Doughnuts
- Pears
- Avocados
- Walnuts
- Pumpkin Seeds
- Visible
- Solid Animal Fat
- Visible
- Suet
- Lard
- Butter
- Invisible
- Cheese
- Cake
- Sausages
- Visible
- Liquid Animal Fats
- Visible
- Oily Fish
- Mackerel
- Cod Liver Oil
- Invisible
- Salmon
- Sardine
- Egg Yolk
- Cream
- Milk
- Visible
- Solid Plant Fat
- Macronutrient
- Needed by all animals
- Solid at room temp.
- Same basic chemical structure
- 9kcals / 37kj per gram
- If liquid at room temp. it is an oil
- Composed of 3 molecules of fatty acids and 1 glycerol molecule
- Same basic chemical structure
- If liquid at room temp. it is an oil
- Functions in the body
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