CARBOHYDRATES

any of a large group of organic compounds that includes sugars, starch, and cellulose, containing hydrogen and oxygen in the same ratio as water (2:1) and used as structural materials and for energy storage within living tissues

food consisting of or containing a lot of sugars, starch, cellulose, or similar substances that can be broken down to release energy in the human body, and make up one of the main nutritional food groups