What does the iodine test test for?
Starch
What are the steps for the iodine test?
Place one spatula of the food sample on a dish or 1 cm3 if the sample is liquid.
Using a dropper, place a few drops of iodine solution onto the food.
Record any change in the colour of the solution.
What colour does the iodine test go for a positive result
Blue black
What colour does the iodine test go for a negative result
Orange brown