Question

a) How can you test the presence of proteins and
starch in food items?​

Answer 1

Answer:

Explanation:

test for presence of protiens:

Foods containing proteins are often called 'Body Building Foods'. Test if a food item contains protein. ... Put the food item into a test tube. Add 10 drops of water and shake the test tube.

test for presence of starch:

Iodine test for starch :

1.Place one spatula of the food sample on a dish or 1 cm 3 if the sample is liquid.

2.Using a dropper, place a few drops of iodine solution onto the food.

3.Record any change in the colour of the solution.