Fats Flashcards
(17 cards)
What is a fat?
A macronutrient that supplies the body with energy
Oils are what at room temperature?
Liquids
Fats and oils have the same basic chemical structure and give the same amount of energy, True or False?
True.
What are fat molecules made up of?
One unit of glycerol and 3 fatty acids
What is a fat molecules made called?
Triglyceride
What are saturated fats?
Fatty acids doing mainly in solid fats
Saturated fats are found in…
Butter, lard, ghee, fat in meat, palm oil, coconut and chocolate
What are unsaturated fats?
Fatty acids found mainly in liquid oils
Unsaturated fats (polyunsaturates) include…
Plant oils, oily fish, avocados, nuts, seeds, some veg fat spreads.
What are the fats functions of fat in the body?
Provide an energy store in the adipose tissue
Insulate the body
Protect vital organs
Give body vitamins A,D,E and K
What are visible fats?
Fats that are easy to see
What are invisible fats?
Fats that are combined with other ingredients im the food so not easy to see
Examples of where invisible fats are…
Cake, biscuits, pastries, crisps etc
Main sources of visible fats…
SOLID
Animal: butter, lard, fat on meat.
Plant: veg fat spreads, cocoa butter, coconut cream
LIQUID
Animal: cod liver oil, oily fish
Plant: nuts and seeds oils
Where invisible fats can be found….
SOLID
Animal: cheese, meat products, ready processed and takeaway meals
Plant: chocolate, cakes etc made with veg fat spreads
LIQUID
Animal: milk, cream, oily fish
Plant: seeds, nuts, some fruits
What are the effects of fat deficiency?
Loss of body weight
No insulation
Body will bruise and break bones easily
Not receive vitamins A,D,E,K
What are the effects of an excess of fat?
Coronary heart disease
Weight gain and obesity
