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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.
By definition, phytochemicals include all nutritional and non-nutritional components of edible plants. [37] Included as nutritional constituents are provitamin A carotenoids, [38] whereas those without nutrient status are diverse polyphenols, flavonoids, resveratrol, and lignans that are present in numerous plant foods. [39]
Nutritionism is a paradigm that assumes that it is the scientifically identified nutrients in foods that determine the value of individual food stuffs in the diet. [1] In other words, it is the idea that the nutritional value of a food is the sum of all its individual nutrients, vitamins, and other components. Another aspect of the term is the ...
In at least one segment of the food industry, the dairy industry, some countries (at least the U.S., Australia, France and Hungary) have adopted "true protein" measurement, as opposed to crude protein measurement, as the standard for payment and testing: "True protein is a measure of only the proteins in milk, whereas crude protein is a measure ...
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]
Nutritional science is often combined with food science (nutrition and food science). Trophology is a term used globally for nutritional science in other languages, in English the term is dated. Today, it is partly still used for the approach of food combining that advocates specific combinations (or advises against certain combinations) of food.
In nutrition, diet is the sum of food consumed by a person or other organism. [1] The word diet often implies the use of specific intake of nutrition for health or weight-management reasons (with the two often being related). Although humans are omnivores, each culture and each person holds some food preferences or some food taboos. This may be ...
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 ).