High carbohydrate foods are commonly divided into different food groups and levels of chemical complexity. Cakes, jam and chocolate contain simple carbohydrates and have high sugar levels, while complex carbohydrates have more nutrient-rich chemical structures and take longer to dissolve in the body. They are generally wholegrain foods, and include bran, barley and oatmeal. These types of carbohydrate have an influence over metabolic energy levels in the body, and in correct doses form a vital part of diet, building body tissue and cells, therefore making them useful in activities such as bodybuilding. Carboyhydrates contain 4 kilocalaries per gram, compared to fats, which contain 9 kilocalories. Foods with high levels of carbohydrates include bagels, hot breakfast cereals, muffins, uncooked rice and firmly cooked spaghetti. Other examples are sliced bananas, grapefruit juice and dried figs. Cooked carrots, dried non fat milk and chestnuts are also regarded as being high in carbohydrate content.
