Food tests Flashcards
1
Q
How do you test for starch?
A
Add iodine solution, which will turn blue-black
2
Q
How do you test for glucose?
A
Add benedicts reagent, which will form a brick-red precipitate
3
Q
How do you test for protein?
A
Add biuret solution, which will turn light purple
4
Q
How do you test for lipids?
A
Fill a test tube with water, add the sample, shake, an emulsion will form as oils are not water soluble.
