What experience can you find out that a product contains carbohydrates?

Carbohydrates are found in most foods, with the exception of those that are entirely composed of fats or proteins (vegetable oil, protein mixtures, etc.). Iodine can be used to test the product for starch (carbohydrate). Also, you can just taste the product. If you chew a product that contains carbohydrates for a long time, then the digestive enzymes in saliva will begin to break down carbohydrates into polysaccharides and we will feel a sweetish taste. But you can also look at the packaging of the product. Most packages indicate the amount of protein, fat and carbohydrates per 100 grams of the product.

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