Problem: Select a packaged food item from your kitchen with at least 3 ingredients (e.g. box of macaroni and cheese, can of refried beans). Tell us what the ingredients are and the function of any of the chemicals. For example, if xanthum gum is an ingredient, what does it do? If you use a website or other source, make sure to cite your source. Maybe use the snack food you listed last week! Finally, describe any of the macromolecules found in the food, including fats, carbohydrates, and protein. What is the function of these molecules in the body? proper citation strategies. Need Assignment Help?