Science- Testing for Starch

We carried out an experiment to test different foods for the presence of starch. Starch is the most common carbohydrate in the human diet. First, we made predictions about whether each food would contain starch. 

 

 

Then, we carried out our investigation using iodine. We used iodine solution to test for starch. If starch was present, the food turned a purple-black colour when the iodine was dropped onto it. We recorded our results. We found that white bread contains the most starch.