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The term "carbohydrate" (or "carbohydrate by difference") refers also to dietary fiber, which is a carbohydrate, but, unlike sugars and starches, fibers are not hydrolyzed by human digestive enzymes. [5] Fiber generally contributes little food energy in humans, but is often included in the calculation of total food energy. The fermentation of ...
Nutrition is the biochemical and physiological process by which an organism uses food to support its life. It provides organisms with nutrients , which can be metabolized to create energy and chemical structures.
Human nutrition deals with the provision of essential nutrients in food that are necessary to support human life and good health. [1] Poor nutrition is a chronic problem often linked to poverty, food security, or a poor understanding of nutritional requirements. [2]
Carbohydrate metabolism is the whole of the biochemical processes responsible for the metabolic formation, breakdown, and interconversion of carbohydrates in living organisms. Carbohydrates are central to many essential metabolic pathways . [ 1 ]
These foods provide complex carbohydrates, which are the body's primary source of energy and provide quality nutrition in any case. Examples include corn, wheat, pasta, and rice. Grains, when digested, break down into glucose, the body's preferred energy source.
The carbohydrate, protein and lipid content of plants is highly variable. Carbohydrates are mainly in the form of starch, fructose, glucose and other sugars. [36] Most vitamins are found from plant sources, with the exception of vitamin D and vitamin B 12. Minerals can also be plentiful or not.
Sports nutrition is the study and practice of nutrition and diet for maintaining and improving athletic performance. Nutrition is part of many sports training regimens, being used in strength sports (such as weightlifting and bodybuilding ) and endurance sports (e.g., cycling , running , swimming , rowing ).
There are three principal classes of macronutrients: carbohydrate, protein and fat. [1] Macronutrients are defined as a class of chemical compounds which humans consume in relatively large quantities compared to vitamins and minerals which provide humans with energy.