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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.
Foods high in magnesium (an example of a nutrient) 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]
Journal of Food Composition and Analysis; Journal of Food Science and Technology; Journal of Human Nutrition and Dietetics; Journal of Medicinal Food; Journal of Nutrition; The Journal of Nutrition, Health and Aging; Journal of Nutritional Biochemistry; Journal of Parenteral and Enteral Nutrition; Journal of the Academy of Nutrition and Dietetics
Nutrients can also be classified as essential or nonessential, with essential meaning the body cannot synthesize the nutrient on its own. [6] Nutrients are absorbed by the cells and used in metabolic biochemical reactions.
Non-essential nutrients are substances within foods that can have a significant impact on health. Dietary fiber is not absorbed in the human digestive tract. [29] Soluble fiber is metabolized to butyrate and other short-chain fatty acids by bacteria residing in the large intestine.
For example, whether chromium is essential in humans is debated. No Cr-containing biochemical has been purified. The United States and Japan designate chromium as an essential nutrient, [11] [12] but the European Food Safety Authority (EFSA), representing the European Union, reviewed the question in 2014 and does not agree. [13]
Nutrients is an open access peer-reviewed scientific journal publishing reviews, regular research papers, and short communications on all aspects of nutrition. It was established in 2009 and is published by MDPI. Until September 2018, the editor-in-chief was Jonathan Buckley of the University of South Australia. In 2018, Buckley and the other ...
Nutritional science (also nutrition science, sometimes short nutrition, dated trophology [1]) is the science that studies the physiological process of nutrition (primarily human nutrition), interpreting the nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism.
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