Significado de nutricion yahoo dating
Polysaccharides are often referred to as complex carbohydrates because they are typically long, multiple branched chains of sugar units. Monosaccharides, disaccharides, and polysaccharides contain one, two, and three or more sugar units, respectively. There are nine kilocalories in each gram of fat.
Nutricion - definition of Nutricion by The Free Dictionary
Nutrition is achieved in various ways by different forms of life. There are many health benefits of a high-fiber diet.
Traditionally, simple carbohydrates are believed to be absorbed quickly, and therefore to raise blood-glucose levels more rapidly than complex carbohydrates. Fats may be classified as saturated or unsaturated depending on the detailed structure of the fatty acids involved. Many actively ingest food through phagocytosis. Molecules of carbohydrates and fats consist of carbon, hydrogen, and oxygen atoms. Fats Fats see fats and oils fats and oils, group of organic substances that form an important part of the diet and also are useful in many industries.
Nutrition the process of ingesting and assimilating substances that an organism needs to meet energy requirements, to build and renew body tissues, and to regulate functions. Some of the plants that lack chlorophyll, e. In predators, for example, the sable, ingestion of fats and lipoids is necessary to maintain reproductive capacity. In addition, protein may be used as a source of energy when the preferred fat and carbohydrate supply runs low.
At the apex are the fats, oils, and sweets, which are not considered a food group and should be consumed sparingly. This may help lower blood glucose levels because it can slow the absorption of sugar. However, in humans, at least two fatty acids are essential and must be included in the diet. Nutrition is influenced by season, which affects migration, reproduction, and consequently population dynamics.
Carbohydrates range from simple monosaccharides glucose, fructose and galactose to complex polysaccharides starch. Organisms such as plants that can thus manufacture complex organic compounds from simple inorganic nutrients are termed autotrophic.
Fats in the body, in addition to acting as a source of stored energy, supply physical protection and insulation for tissues and form important portions of cell membrane structure. Trans fats are very rare in nature, and have been shown to be highly detrimental to human health, but have properties useful in the food processing industry, such as rancidity resistance.
Vitamin deficiency produces hypovitaminoses and avitaminoses. Importance of Good Nutrition Good nutrition is reflected not only in the growth and function of the body but also in its appearance.
Fats also aid in the absorption of the fat-soluble vitamins vitamins A, D, E, and K from the intestine. Protein molecules contain nitrogen atoms in addition to carbon, oxygen, and hydrogen. Complex carbohydrates are preferred because the fast-acting simple carbohydrates, such as honey and sugar, are difficult for the body especially the pancreas to handle in large doses. Dietary fiber consists mainly of cellulose, a large carbohydrate polymer which is indigestible as humans do not have the required enzymes to disassemble it. Dietary fiber helps reduce the chance of gastrointestinal problems such as constipation and diarrhea by increasing the weight and size of stool and softening it.
Unsaturated fats may be further classified as monounsaturated one double-bond or polyunsaturated many double-bonds. Carbohydrates Carbohydrates carbohydrate, any member of a large class of chemical compounds that includes sugars, starches, cellulose, and related compounds. The measurement of heat is called calorimetry. These compounds are produced naturally by green plants from carbon dioxide and water see photosynthesis. Some of the amino acids are convertible with the expenditure of energy to glucose and can be used for energy production, just as ordinary glucose, in a process known as gluconeogenesis.
Vitamins, minerals, fiber, and water do not provide energy, but are required for other reasons. The eyes, skin, hair, and teeth indicate whether body nourishment is good or poor. The fats are usually solid, the oils generally liquid at ordinary room temperatures. The link between increased fiber consumption and a decreased risk of colorectal cancer is still uncertain.
They are typically found as triglycerides three fatty acids attached to one glycerol backbone. Food substances that are obtained by the body decompose into relatively simple chemical compounds, which after absorption are used to build tissues and organs.
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