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Cereal grain is a staple food that provides more food energy worldwide than any other type of crop. [5] Corn (maize), wheat, and rice account for 87% of all grain production worldwide. [6] [7] [8] Just over half of the world's crops are used to feed humans (55 percent), with 36 percent grown as animal feed and 9 percent for biofuels. [9]
Protein-Energy Malnutrition (PEM) is another form of malnutrition that affects children. PEM can appear as conditions called marasmus, kwashiorkor, and an intermediate state of marasmus-kwashiorkor. Although malnutrition can have severe and lasting health effects on women and children, they are still susceptible to other water-related dangers. [10]
Scientific analysis of food and nutrients began during the chemical revolution in the late 18th century. Chemists in the 18th and 19th centuries experimented with different elements and food sources to develop theories of nutrition. [1] Modern nutrition science began in the 1910s as individual micronutrients began to be identified.
A complete protein source contains all the essential amino acids; an incomplete protein source lacks one or more of the essential amino acids. It is possible with protein combinations of two incomplete protein sources (e.g., rice and beans) to make a complete protein source, and characteristic combinations are the basis of distinct cultural ...
Various foods. This is a categorically organized list of foods.Food is any substance consumed to provide nutritional support for the body. [1] It is produced either by plants, animals, or fungi, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, and minerals.
Food energy is chemical energy that animals (including humans) derive from their food to sustain their metabolism, including their muscular activity. [ 1 ] Most animals derive most of their energy from aerobic respiration , namely combining the carbohydrates , fats , and proteins with oxygen from air or dissolved in water . [ 2 ]
Amandines de Provence, poster by Leonetto Cappiello, 1900, which shows a woman eating almond cookies. Eating (also known as consuming) is the ingestion of food.In biology, this is typically done to provide a heterotrophic organism with energy and nutrients and to allow for growth.
Cereal grain is a staple food that provides more food energy worldwide than any other type of crop. [19] Corn (maize), wheat, and rice account for 87% of all grain production worldwide. [20] [21] [22] Just over half of the world's crops are used to feed humans (55 percent), with 36 percent grown as animal feed and 9 percent for biofuels. [23]