Fats Flashcards
Whats the difference between a fat and an oil?
Fats are solid at room temperature
Oils are liquid at room temperature
What is butter made from?
Cream
What is clarified butter?
Butter than has been melted and had the milk solids removed e.g. ghee
Why should butter not be used for frying?
It has a low smoke point
What type of cuisine is ghee used in?
Indian
What does lard come from?
Pig fat that has been clarified
What is suet?
A white, solid fat that comes from the outside of kidneys of beef and sheep
What process is used to turn vegetable oils to vegetable fats?
Hydrogenation
What is hydrogenation?
Adding hydrogen to the oils
Why are spreads unsuitable for frying and baking?
Because they contain water
Name a range of oils that can be used for cooking?
Almond Avocado Rapeseed Chilli Coconut Corn Olive Sunflower Sesame Vegetable Walnut
What essential fatty acids do fats and oils provide?
Omega 3
Omega 6
What vitamins are fat soluble?
Vitamins A,D,E and K
How many calories are in each gram of fat?
9kCal
What elements make up fats and oils?
Carbon
Hydrogen
Oxygen
What makes a fat a saturated fat?
No double bonds in the chain of fatty acids
What makes a fat a monounsaturated fat?
There is one double bond in the chain of fatty acids
What makes a fat a polyunsaturated fat?
There are two or more double bonds in the chain of fatty acids
What is an advantage to making fats hydrogenated?
Less likely to turn rancid so have a longer shelf life
What is the function of fat when making creamed cakes?
Aeration
Helps trap air when creamed with sugar
What term describes when fats make foods crumbly?
Shortening
What colour does fat add to foods?
Golden brown
What term describes a suspension of fat in a liquid?
Emulsion
What term describes when fats start to go off?
Rancid
Exposure to what causes fats to go rancid?
Oxygen
What is plasticity?
The range of temperatures at which different fats melt