Food Tests

Question 1

Describe how to test foods for starch, lipids, sugar, and protein

Answer 1

Biuret test for Protein, Benedicts Test (with heat) for Sugar, Iodine test for starch, Filter Paper test for Fat/lipids.

Question 2

Describe the positive result for each food test

Answer 2

Biuret = Blue to Purple, Benedicts = Blue to Brick Red, Iodine = Brown to Blue/Black, Filter Paper has a translucent stain remaining