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Topic: Essential nutrient

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	Nutrient - Wikipedia, the free encyclopedia
		A nutrient is either a chemical element or compound used in an organism's metabolism or physiology.
		Water is an essential nutrient and is the solvent in which all the chemical reactions of life take place.
		Nutrients having greatest potential to influence plant growth in aquatic environments is those elements needed for plant growth in proportionately large amounts (that is, macronutrients) but likely to become limiting—that is, present in amounts that could be depleted by continued growth.
	en.wikipedia.org /wiki/Nutrient (978 words)

	Fish Oils: The Essential Nutrients
		Essential fatty acids are polyunsaturated and grouped into two families, the omega-6 EFAs and the omega-3 EFAs.
		Essential fatty acid metabolism in boys with attention-deficit hyperactivity disorder.
		Siguel, E.N. and Lerman, R.H. Prevalence of essential fatty acid deficiency in patients with chronic gastrointestinal disorders.
	www.oilofpisces.com /fishoilnutrient.html (3026 words)

	Publication: Upper Safe Levels of Intake for Adults: Vitamins, Macrominerals, and Trace Minerals
		An essential nutrient has either an EAR and RDA or an AI, for a specific gender:life stage group (such as female, 19 to 30 years) depending on whether sufficient data are available to set an EAR.
		The UL is the highest level of daily nutrient intake that is considered to be safe for almost all individuals in a gender:life stage group.
		Nutrient ULs are not meant to apply to individuals who may be given an essential nutrient under medical supervision.
	www.ianrpubs.unl.edu /epublic/pages/publicationD.jsp?publicationId=295 (2019 words)

	IMPACT OF LEGISLATION
		Nutrients are increasingly being added to foods for a number of reasons and this tendency raises the issue of the regulation of such practices.
		When provision is made in food standards, regulations or guidelines, for the addition of essential nutrients to foods, specific provisions should be included identifying the essential nutrients which are to be considered or be required and the levels at which they should be present in the food to achieve their intended purposes.
		As stated previously, the Codex definition of fortification is, "...the addition of one or more essential nutrients to a food whether or not it is normally contained in the food, for the purpose of preventing or correcting a demonstrated deficiency of one or more nutrients in the population or specific population groups...".
	www.fao.org /docrep/w2840e/w2840e04.htm (1200 words)

	Essential Nutrients
		Deficiency of even one essential nutrient may impair the body's normal functions and lead to a "deficiency syndrome", characteristic of the nutrient lacking.
		Nutrient deficiencies are widespread in our society mostly because the food growing, manufacturing and preparation industry revolves around convenience and profits rather than health.
		RDA was defined as the amount of an essential nutrient that is sufficient to keep most healthy adults from developing deficiency symptoms.
	www.spatrade.com /articles/archive/ds799-3.html (863 words)

	ESSENTIAL NUTRIENTS
		Essential nutrients must be obtained from food sources, because the body either does not produce them or produces them in amounts too small to maintain growth and health.
		Essential nutrients include water, carbohydrates, proteins, fats, vitamins, and minerals.
		Mineral nutrients are classified as major elements (calcium, chlorine, magnesium, phosphorus, potassium, sodium, and sulfur) and trace elements (chromium, copper, fluoride, iodine, iron, selenium, and zinc).
	www.scsv.nevada.edu /~aftabs/EssentialNutrients.html (2977 words)

	rec.gardens.ecosystems FAQ -- Section D: plant nutrition
		The essential mineral macro nutrients are: nitrogen, phosphorus (measured as an ingredient of phosphoric acid or a phosphate), potassium, sulfur, and calcium.
		The essential mineral micro nutrients or essential "trace elements" are: magnesium, iron, copper, zinc, manganese, boron and molybdenum.
		Nitrogen is the one essential macro nutrient that is not a mineral.
	www.ibiblio.org /rge/faq-html/sectiond.htm (1357 words)

	Nutrient Cycling & Maintaining Soil Fertility in Fruit and Vegetable Crop Systems
		Cobalt is essential for nitrogen fixation by legumes.
		Excess nutrient applications can be eliminated or at least significantly reduced by soil testing on a regular basis, setting realistic yield goals and fertilizing accordingly, accounting for all nutrient sources such as legumes, manure, and other amendments, and using plant analysis as a monitoring tool for the fertilizer program.
		Nutrient release from minerals with low solubility depends upon accelerated weathering reactions, which are stimulated by an active population of soil microbes.
	www.extension.umn.edu /distribution/horticulture/M1193.html (10776 words)

	Essential nutrient - Wikipedia, the free encyclopedia
		An essential nutrient is a nutrient required for normal body functioning that cannot be synthesized by the body.
		Dietary minerals, for example, cannot be synthesized in biological systems, so (for example) a human must obtain the iron they need to build hemoglobin from their diet (of course, this iron is recycled as long as possible, but some is inevitably lost, for example during menstruation).
		Some essential nutrients may be toxic in large doses (see hypervitaminosis or the nutrient pages themselves below); for example, an iron overdose can lead to the production of free radicals beyond what the body's antioxidant system can handle.
	en.wikipedia.org /wiki/Essential_nutrient (527 words)

	Soil Fertility and Fertilizers: A Five-Session Short Course for Florida Producers (Site not responding. Last check: 2007-11-05)
		The complex nature of soil fertility and fertilizers, the large number of nutrients and fertilizer materials, and the frequently confusing claims made about fertilizer products are factors which contribute to the need for a course such as the one presented here.
		This may be due to the inefficiency of the cultivated species in foraging for the nutrients or to the higher nutrient demand where high yields are being produced.
		However, the value of the nutrients in the 0-5-20 is less because of the higher content of the lower-cost potasium..
	edis.ifas.ufl.edu /SS171 (7231 words)

	Essential nutrient
		Most essential nutrients are substances that are metabolically necessary but cannot be synthesized in sufficient quantity by the organism.
		Most essential nutrients are needed only in small quantities, and are stored and reused by the body.
		CLEVELAND----Calcium, an essential nutrient for the human body, has received substantial attention in both the medical literature and lay press regarding its role in several chronic diseases, including the skeletal disorder osteoporosis that is characterized by compromised bone strength, predisposing bone to an increased risk of fracture.
	www.mrsci.com /Nutrition/Essential_nutrient.php (959 words)

	Winwood Shepherds
		An essential nutrient is defined as a substance that is required for normal or optimal body function and cannot be synthesized by the body or is synthesized in insufficient quantities (or rates) for the body's ongoing requirements.
		Water is essential for health and is lost faster than it can be synthesized, so it is considered an essential nutrient.
		Interestingly, while Vitamin C (Ascorbic Acid) is an essential nutrient in Humans, it is considered a non-essential nutrient in all vertebrates except man, monkeys, guinea pigs and the Indian fruit bat.
	members.tripod.com /~WINWOOD_SHEPHERDS/MoreNutrition.html (856 words)

	Better Than Nature - - Articles - The Plant Doctor - Oxygenation, Air Pumps, Nutrient Uptake and
		While forcing air bubbles deep down into the nutrient reservoir generally increases the dissolved oxygen levels in the nutrient, there is one other major factor to consider and that's the temperature of the air being pumped into the nutrient.
		For example a nutrient solution at 45 F can hold around 12ppm of dissolved oxygen at 'saturation', (meaning it is the most it can hold), but the same nutrient solution at a temperature of 85 F will hold less than 7ppm at saturation.
		Calcium is one important nutrient ion which has been shown to benefit from high levels of oxygenation in the hydroponic nutrient solution Calcium, unlike the other major nutrients is absorbed mostly by the root growing tips (root apex).
	www.betterthannature.com /catalog/article_info.php/articles_id/6 (1667 words)

	Essential Nutrient
		Therefore, lost L-Carnitine has to be replenished by biosynthesis, by the consumption of foods of animal origin or by consumption of dietary supplements.
		At the 'Symposium on Conditionally Essential Nutrients', reported in the Journal of American College of Nutrition (1986) the nutritional importance of L-Carnitine and of other similar substances - including choline was emphasized.
		Interestingly, L-Carnitine is an essential nutrient for infants: age dependence of the last enzyme of the L-Carnitine biosynthetic pathway results in limited endogenous synthesis during the first months of life, reaching adult capacity by the age of 15 years.
	www.carnipure.com /carnipure/en/what/essential.html (134 words)

	Nutrient Balance Indicator (Site not responding. Last check: 2007-11-05)
		The nutrient densities used for the Nutrient Balance Indicator are derived from the percentages of FDA Daily Values that are contained in a 1000-Calorie portion of the food.
		This score essentially tells you how close the food is to filling your needs for all of these essential nutrients.
		Rating are both derived from the density of the essential nutrients in the food, they have very different purposes.
	www.nutritiondata.com /nutrient-balance-indicator.html (953 words)

	Essential Sugar Sitemap (Site not responding. Last check: 2007-11-05)
		Mannose was the first active ingredient identified among the glyconutrients (essential sugars) and appears to be the foundation of all the essential sugars.
		Xylose is another Essential Nutrient and is also an essential sugar saccharide of the pentose class and may be vital to cell to cell communication.
		Essential Sugar.com is not responsible for accidents or medical-related issues that may or may not be related to information found on this web site.
	www.essential-sugar.com /sitemap.htm (696 words)

	Essential nutrient for your brain and heart - Omega-3 fatty acids from fish oil
		There are two main categories of essential fatty acids (EFA) known as omega 3 (primarily EPA and DHA) and omega 6.
		They are called essential fatty acids because the human body needs them but can't make them on its own.
		This was the first large scale trial that showed supplementation of essential fatty acids significantly lowered the risk of death.
	tsangenterprise.com /news72.htm (1992 words)

	Nutrition and Feeding of the Cow-Calf Herd: Essential Nutrients, Feed Classification and Nutrient Content of Feeds
		Essential nutrients are nutrients that are needed by all living things.
		These nutrients must either be fed or made by the animals from building blocks obtained through eating, drinking, or breathing.
		By knowing the nutrient content of their base forages, producers can then identify the deficient nutrients that need to be supplemented.
	www.ext.vt.edu /pubs/beef/400-011/400-011.html (2114 words)

	KSC Fitness Centers - The Body's Essential Nutrients
		Each nutrient has a specific function and is used by the body differently.
		They are an essential nutrient because the body does not produce enough to meet its demands.
		It is essential that water is replaced when exercising because it is a key ingredient in keeping body temperature cool when the environment temperature is elevated.
	fitness.ksc.nasa.gov /articles/essential_nutrients.php (1684 words)

	Grand Forks Human Nutrition Research Center : Silicon: An Essential Nutrient of Good Bone Health (Site not responding. Last check: 2007-11-05)
		For the next 25 years, the battle of bringing attention to the nutritional importance was fought, not too successfully, by a scientist who promoted the hypothesis that inadequate dietary silicon could contribute to diseases associated with aging such as atherosclerosis, high blood pressure, osteoarthritis and osteoporosis.
		Scientists at King's College and St. Thomas' hospital in London, England in collaboration with scientists from Harvard and Tufts Universities in the United States reported that there is a "significant positive association" between the density of bone and silicon intake in men and in premenopausal women.
		In addition, scientists at the University of Mons-Hainaut in Belgium have found that silicon is an essential component in bioactive glasses or materials used as bone substitutes upon which new bone can grow in humans with serious bone injury.
	www.ars.usda.gov /News/docs.htm?docid=9264 (583 words)

	Rite Life Essential Nutrient Concentrate
		Since these nutrients are in liquid form, they do not need to be broken down by the gastrointestinal tract before being utilized by the body.
		Whether a nutrient is derived from food or as a supplement to the diet, it's contribution is nonexistent if it does not pass the test of absorption.
		Those minerals that your body is unable to break down to their ionic form are likely to pass completely from the body unassimilated, and for all nutritional intents and purposes, were never eaten.
	www.fmsnutrition.com /ritelife3.html (1591 words)

	Potassium: an essential nutrient -DAWN - Business; November 18, 2002
		The use of nitrogen alone may increase crop yield but because the yield is increased, the removal from the soil of nutrients other than nitrogen is increased and, as time passes, the soil becomes impoverished of that nutrient to the extent that deficiency levels are reached and crop growth is constrained.
		Increasing yields by using nitrogen fertilizer increases the removal of potassium from the soil which means that in the course of time the K supply becomes limiting and it is necessary to replenish soil stocks if yield is to be maintained.
		Like nitrogen and phosphorus, potassium is a nutrient, which is also applied to the field in the shape of different fertilizers.
	www.dawn.com /2002/11/18/ebr10.htm (1086 words)

	Food Product Design: Nutrition Notes - September 2001 - Carnitine: An Essential Nutrient? (Site not responding. Last check: 2007-11-05)
		Classified as an amino acid, carnitine is used as a carrier to transport long-chain fatty acids into the mitochondria of a cell for beta-oxidation to produce energy.
		However, for well-nourished individuals, regardless of diet, carnitine is not a dietary essential.
		The claims for carnitine have two common points: carnitine is used as part of a therapeutic regimen, not a nutrient source; and additional work needs to be done to better determine carnitine’s role in disease prevention and treatment.
	www.foodproductdesign.com /archive/2001/0901nn.html (649 words)

	C.L.A. - The Essential Nutrient for Reducing Body Fat , and Providing... - Thread
		Much the way certain vitamins like vitamin C are essential to good health and are not produced naturally, these acids are essential, hence their name—essential fatty acids.
		For those same animals, it seems possible to speculate that CLA may actually work as a growth factor for their young.43 For humans, this nutrient could mean feeling better and feeling stronger while the body fights off disease.
		CLA may be one of those nutrients, one of those factors in our diets that can change our shapes and that have nothing to do with self-control, just nutritional luck and knowledge.
	vitanetonline.com /forums/1/Thread/362 (7084 words)

	Essential Nutrients
		The body’s essential nutrients are composed of chemical elements found in food and used by the body to perform many different functions.
		Complete proteins: contain 9 of the amino acids that are essential to life.
		Water essential for the digestion (breakdown) of food, makes up most of the blood plasma, helps body tissues absorb nutrients, and helps move waste material through the body.
	acad.fcps.org /fon/essentialnutrients.htm (506 words)

	Protein, The Essential Nutrient
		Protein is one of the most important and essential foods our bodies need on a daily basis.
		In order for the body to manufacture its own protein, all either of these essential amino acids must be available at the same time.
		However, our body will store these aminos as they are made available during the course of the day, and begin manufacturing protein once they are all present.
	www.liftforlife.com /protein.htm (776 words)

	Salt for Human Nutrition
		Human nutrition is a major market for salt because salt is an essential component of the human diet.
		Sodium is an essential nutrient, a mineral that the body cannot manufacture itself but which is required for life itself and good health.
		Better are the USDA Nutrient Database (or NutritionData which uses the same data) which can be used to determine the nutrient content of any food, the USDA food guide pyramid and FDA's food labeling information.
	www.saltinstitute.org /27.html (628 words)

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