1.1 Food Tests Flashcards
1
Q
How do you test for a protein?
A
Perform the Biuret test
A positive colour change is from blue to violet
2
Q
Why is the Biuret test said to be semi-quantitative?
A
The intensity of the colour is indicative of the quantity of protein present
3
Q
What should be used if the level of protein is too low to give a meaningful colour change using the Biuret test?
A
A colorimeter
4
Q
A