Effect of Hear on Lipids Flashcards
1
Q
What happens to solid fats when heated?
A
Solid fats melt
2
Q
What is the range of normal frying temperatures?
A
Between 175 - 195 degrees Celsius
3
Q
What happens if fats are heated above the acceptable temperatures? What is this called?
A
A blue haze is given off, indicating that the fat is decomposing and the glycerol is separating from the fatty acids.
This is called the smoke point.
4
Q
What happens when fat is continually overheated?
A
This causes the glycerol to further decompose into acrolein
5
Q
What is acrolein?
A
A substance with a characteristic burnt smell that irritates the mucous membranes.
