Test for foods Flashcards
Biology
1
Q
Test for starch
A
Iodine solution
2
Q
Positive test for starch
A
Turns Blue-Black
3
Q
Negative test for starch
A
Remains yellow- orange
4
Q
Test for sugars
A
Benedict’s test - add benedict’s reagent to the food and boil in a water bath
5
Q
Positive test for sugars
A
Brick red precipitate
6
Q
Negative test for sugars
A
Bright blue
7
Q
Test for proteins
A
Biuret reagent
8
Q
Positive test for protein
A
Purple
9
Q
Negative test for protein
A
Light blue
10
Q
Test for fats
A
Emulsion test
11
Q
Negative test for fats
A
Clear
12
Q
Positive test for fat
A
Cloudy
