Nutrition - Wikipedia. Nutrition is the science that interprets the interaction of nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism. It includes food intake, absorption, assimilation, biosynthesis, catabolism and excretion. A healthy diet includes preparation of food and storage methods that preserve nutrients from oxidation, heat or leaching, and that reduce risk of foodborne illness. A poor diet can cause deficiency diseases such as blindness, anemia, scurvy, preterm birth, stillbirth and cretinism. Scurvy, later found to be a vitamin C deficiency, was first described in 1. BC in the Ebers Papyrus. In China, the concept of Qi developed, a spirit or . Daniel and his friends were captured by the king of Babylon during an invasion of Israel. Selected as court servants, they were to share in the king's fine foods and wine. But they objected, preferring vegetables (pulses) and water in accordance with their Jewish dietary restrictions. The king's chief steward reluctantly agreed to a trial. Daniel and his friends received their diet for ten days and were then compared to the king's men. Appearing healthier, they were allowed to continue with their diet. In the 2nd century BC, Cato the Elder believed that cabbage (or the urine of cabbage- eaters) could cure digestive diseases, ulcers, warts, and intoxication. Living about the turn of the millennium, Aulus Celsus, an ancient Roman doctor, believed in . Four elements (earth, air, fire and water) combine into . The states are made up of pairs of attributes (hot and moist, cold and moist, hot and dry, and cold and dry), which are made of four humours: blood, phlegm, green (or yellow) bile, and black bile (the bodily form of the elements). Galen thought that for a person to have gout, kidney stones, or arthritis was scandalous, which Gratzer likens to Samuel Butler's Erehwon (1. Leonardo did not publish his works on this subject, but he was not afraid of thinking for himself and he definitely disagreed with Galen. Water Diet Detox - Dr Oz Ten Day Weight Loss Plan Water Diet Detox Before And After Pics Weight Loss Weight Loss After 50 Women. BibMe Free Bibliography & Citation Maker - MLA, APA, Chicago, Harvard. Watch this video demonstration of how to apply Physicians Formula Butter Bronzer Murumuru Butter Powder and buy at drugstore.com with everyday shipping, low prices. Jan Baptist van Helmont, who discovered several gases such as carbon dioxide, performed the first quantitative experiment. Robert Boyle advanced chemistry. Sanctorius measured body weight. Physician Herman Boerhaave modeled the digestive process. Physiologist Albrecht von Haller worked out the difference between nerves and muscles. Lind discovered that lime juice saved sailors that had been at sea for years from scurvy, a deadly and painful bleeding disorder. Between 1. 50. 0 and 1. There are two main reasons people choose a Low Carb Diet over other options. One being health issues such as high blood pressure or diabetes. The other being the. Eat a diet in butyrate rich foods and it will help repopulate your gut. Fodmap says we can’t eat most of the things that help those bacteria live and function so we. Indian Diet For Lowering Cholesterol - Weight Loss Meal Plans Indian Diet For Lowering Cholesterol What Foods Increase Hdl Cholesterol How To Calculate Ldl. Called the most fundamental chemical discovery of the 1. His ideas made the phlogiston theory of combustion obsolete. In the early 1. 9th century, the elements carbon, nitrogen, hydrogen, and oxygen were recognized as the primary components of food, and methods to measure their proportions were developed. Adding various types of vegetables and meats to the diets of Japanese sailors prevented the disease, (not because of the increased protein as Takaki supposed but because it introduced a few parts per million of thiamine to the diet, later understood as a cure. In 1. 89. 7, Christiaan Eijkman worked with natives of Java, who also suffered from beriberi. Eijkman observed that chickens fed the native diet of white rice developed the symptoms of beriberi but remained healthy when fed unprocessed brown rice with the outer bran intact. Eijkman cured the natives by feeding them brown rice, discovering that food can cure disease. Over two decades later, nutritionists learned that the outer rice bran contains vitamin B1, also known as thiamine. From 1. 90. 0 to the present. Identifying the symptoms and signs of Liver Disease in dogs is the first step to knowing if your dog requires medical attention. Diseases and symptoms can vary, so it.In 1. 90. 6, Edith G. Willcock and Frederick Hopkins showed that the amino acid tryptophan aids the well- being of mice but it did not assure their growth. Babcock and Edwin B. Hart started the cow feeding, single- grain experiment, which took nearly four years to complete. Vitamin. Year Isolated. The vitamins were studied in the first half of the 2. In 1. 91. 3, Elmer Mc. Collum and Marguerite Davis discovered the first vitamin, fat- soluble vitamin A, then water- soluble vitamin B (in 1. C as the then- unknown substance preventing scurvy. Lafayette Mendel and Thomas Osborne also performed pioneering work on vitamins A and B. In 1. 91. 9, Sir Edward Mellanby incorrectly identified rickets as a vitamin A deficiency because he could cure it in dogs with cod liver oil. Evans and L. S. Bishop discover vitamin E as essential for rat pregnancy, originally calling it . In 1. 92. 7, Adolf Otto Reinhold Windaus synthesized vitamin D, and was awarded the Nobel Prize in Chemistry in 1. In 1. 92. 8, Albert Szent- Gy. In 1. 93. 5, he synthesized it, and in 1. Nobel Prize for his efforts. In 1. 93. 5, Underwood and Marston independently discovered the necessity of cobalt. In 1. 93. 6, Eugene Floyd Du. Bois showed that work and school performance are related to caloric intake. In 1. 93. 8, Erhard Fernholz discovered the chemical structure of vitamin E and then he tragically disappeared. In 1. 94. 1, the first Recommended Dietary Allowances (RDAs) were established by the National Research Council. In 1. 99. 2, The U. S. Department of Agriculture introduced the Food Guide Pyramid. Some nutrients can be stored - the fat- soluble vitamins - while others are required more or less continuously. Poor health can be caused by a lack of required nutrients, or for some vitamins and minerals, too much of a required nutrient. Macronutrients. Some of the structural material can be used to generate energy internally, and in either case it is measured in Joules or kilocalories (often called . Carbohydrates and proteins provide 1. J approximately (4 kcal) of energy per gram, while fats provide 3. J (9 kcal) per gram. Vitamins, minerals, fiber, and water do not provide energy, but are required for other reasons. Molecules of carbohydrates and fats consist of carbon, hydrogen, and oxygen atoms. Carbohydrates range from simple monosaccharides (glucose, fructose, galactose) to complex polysaccharides (starch). Fats are triglycerides, made of assorted fatty acidmonomers bound to a glycerol backbone. Some fatty acids, but not all, are essential in the diet: they cannot be synthesized in the body. Protein molecules contain nitrogen atoms in addition to carbon, oxygen, and hydrogen. The fundamental components of protein are nitrogen- containing amino acids, some of which are essential in the sense that humans cannot make them internally. 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. By breaking down existing protein, the carbon skeleton of the various amino acids can be metabolized to intermediates in cellular respiration; the remaining ammonia is discarded primarily as urea in urine. Carbohydrates. They constitute a large part of foods such as rice, noodles, bread, and other grain- based products, also potatoes, yams, beans, fruits, fruit juices and vegetables. Monosaccharides, disaccharides, and polysaccharides contain one, two, and three or more sugar units, respectively. Polysaccharides are often referred to as complex carbohydrates because they are typically long, multiple branched chains of sugar units. Traditionally, simple carbohydrates are believed to be absorbed quickly, and therefore to raise blood- glucose levels more rapidly than complex carbohydrates. This, however, is not accurate. Like all carbohydrates, when it is metabolized it can produce four Calories (kilocalories) of energy per gram. However, in most circumstances it accounts for less than that because of its limited absorption and digestibility. Dietary fiber consists mainly of cellulose, a large carbohydrate polymer which is indigestible as humans do not have the required enzymes to disassemble it. There are two subcategories: soluble and insoluble fiber. Whole grains, fruits (especially plums, prunes, and figs), and vegetables are good sources of dietary fiber. There are many health benefits of a high- fiber diet. 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. Insoluble fiber, found in whole wheat flour, nuts and vegetables, especially stimulates peristalsis – the rhythmic muscular contractions of the intestines, which move digesta along the digestive tract. Soluble fiber, found in oats, peas, beans, and many fruits, dissolves in water in the intestinal tract to produce a gel that slows the movement of food through the intestines. This may help lower blood glucose levels because it can slow the absorption of sugar. Additionally, fiber, perhaps especially that from whole grains, is thought to possibly help lessen insulin spikes, and therefore reduce the risk of type 2 diabetes. The link between increased fiber consumption and a decreased risk of colorectal cancer is still uncertain. A molecule of dietary fat typically consists of several fatty acids (containing long chains of carbon and hydrogen atoms), bonded to a glycerol. They are typically found as triglycerides (three fatty acids attached to one glycerol backbone). Fats may be classified as saturated or unsaturated depending on the detailed structure of the fatty acids involved. Saturated fats have all of the carbon atoms in their fatty acid chains bonded to hydrogen atoms, whereas unsaturated fats have some of these carbon atoms double- bonded, so their molecules have relatively fewer hydrogen atoms than a saturated fatty acid of the same length. Unsaturated fats may be further classified as monounsaturated (one double- bond) or polyunsaturated (many double- bonds). Furthermore, depending on the location of the double- bond in the fatty acid chain, unsaturated fatty acids are classified as omega- 3 or omega- 6 fatty acids.
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