Effect of Level of Protein, Calcium, and Phosphorus Intake on Calcium, Phosphorus, and Magnesium Metabolism in the Young Adult Male PDF Download
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Author: Younghee Kim
Publisher:
ISBN:
Category : Calcium
Languages : en
Pages : 240
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Book Description
Abstract: To determine the effects of protein, calcium, and phosphorus intake on calcium, phosphorus, and magnesium metabolism, calciuria was studied, and the effect of 2 levels of phosphorus on the calcium, phosphorus, and magnesium metabolisms at 2 levels of calcium was studied. An increase of phosphorus intake significantly decreased urinary calcium at both calcium intake levels, calcium absorption at 2400 mg calcium intake, and magnesium absorption and urinary magnesium, and significantly increased phosphorus absorption and urinary phosphorus. An increase of calcium intake significantly increased calcium absorption and urinary calcium, and significantly decreased phosphorus and magnesium absorption and urinary phosphorus and magnesium. Increase of dietary phosphorus increased phosphorus retention and increase of dietary calcium increased calcium retention but reduced magnesium retention. Increase of both phosphorus and calcium significantly decreased magnesium absorption and retention and urinary magnesium.
Author: Younghee Kim
Publisher:
ISBN:
Category : Calcium
Languages : en
Pages : 240
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Book Description
Abstract: To determine the effects of protein, calcium, and phosphorus intake on calcium, phosphorus, and magnesium metabolism, calciuria was studied, and the effect of 2 levels of phosphorus on the calcium, phosphorus, and magnesium metabolisms at 2 levels of calcium was studied. An increase of phosphorus intake significantly decreased urinary calcium at both calcium intake levels, calcium absorption at 2400 mg calcium intake, and magnesium absorption and urinary magnesium, and significantly increased phosphorus absorption and urinary phosphorus. An increase of calcium intake significantly increased calcium absorption and urinary calcium, and significantly decreased phosphorus and magnesium absorption and urinary phosphorus and magnesium. Increase of dietary phosphorus increased phosphorus retention and increase of dietary calcium increased calcium retention but reduced magnesium retention. Increase of both phosphorus and calcium significantly decreased magnesium absorption and retention and urinary magnesium.
Author: Sally Ann Schuette
Publisher:
ISBN:
Category : Calcium
Languages : en
Pages : 282
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Author: Maren Hegsted
Publisher:
ISBN:
Category : Calcium
Languages : en
Pages : 208
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Author: Michael B. Zemel
Publisher:
ISBN:
Category : Calcium
Languages : en
Pages : 224
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Author: Ruth T. Walker
Publisher:
ISBN:
Category :
Languages : en
Pages : 280
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Author: Harold H. Draper
Publisher: Springer Science & Business Media
ISBN: 1475790929
Category : Technology & Engineering
Languages : en
Pages : 325
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Book Description
Nutrition and Osteoporosis: Seeing Through a Glass, Darkly (1 Cor. 13:12) This volume of Advances in Nutritional Research deals with the present state of knowledge relative to the role of nutrition in the etiology of osteoporosis, one of the most serious degenerative diseases in the aging population. As a back drop for subsequent chapters on specific nutrients, Chapter 1 provides a com prehensive account of the gain and loss of bone throughout the life cycle, with emphasis on the architectural changes in later life that predispose to osteoporotic bone fractures. Chapter 2 documents the occurrence of aging bone loss through out human archeological history and Chapter 3 extends this documentation to all non-human vertebrate species so far examined, including primates living in the wild. It is apparent that a progressive loss of bone tissue is a normal accompaniment of aging among higher vertebrates. Whether it is a cause of bone fractures in animals, as it is in humans, is still unknown. It has also been established that there are significant differences in the frequency of osteoporotic fractures among human families, ethnic groups, national populations and diet cultures. Numerous studies have been carried out in an effort to explain these differences, and many of these deal with the possible effect of nutrition. Protracted controversies over the role of nutrition in the etiology of osteoporosis are reflected in the contents of several of the ensuing chapters.
Author: Barbara Klopfer Soullier
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Institute of Medicine
Publisher: National Academies Press
ISBN: 0309064031
Category : Medical
Languages : en
Pages : 449
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Book Description
Since 1941, Recommended Dietary Allowances (RDAs) has been recognized as the most authoritative source of information on nutrient levels for healthy people. Since publication of the 10th edition in 1989, there has been rising awareness of the impact of nutrition on chronic disease. In light of new research findings and a growing public focus on nutrition and health, the expert panel responsible for formulation RDAs reviewed and expanded its approachâ€"the result: Dietary Reference Intakes. This new series of references greatly extends the scope and application of previous nutrient guidelines. For each nutrient the book presents what is known about how the nutrient functions in the human body, what the best method is to determine its requirements, which factors (caffeine or exercise, for example) may affect how it works, and how the nutrient may be related to chronic disease. The first volume of Dietary Reference Intakes includes calcium, phosphorus, magnesium, vitamin D, and fluoride. The second book in the series presents information about thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, pantothenic acid, biotin, and choline. Based on analysis of nutrient metabolism in humans and data on intakes in the U.S. population, the committee recommends intakes for each age groupâ€"from the first days of life through childhood, sexual maturity, midlife, and the later years. Recommendations for pregnancy and lactation also are made, and the book identifies when intake of a nutrient may be too much. Representing a new paradigm for the nutrition community, Dietary Reference Intakes encompasses: Estimated Average Requirements (EARs). These are used to set Recommended Dietary Allowances. Recommended Dietary Allowances (RDAs). Intakes that meet the RDA are likely to meet the nutrient requirement of nearly all individuals in a life-stage and gender group. Adequate Intakes (AIs). These are used instead of RDAs when an EAR cannot be calculated. Both the RDA and the AI may be used as goals for individual intake. Tolerable Upper Intake Levels (ULs). Intakes below the UL are unlikely to pose risks of adverse health effects in healthy people. This new framework encompasses both essential nutrients and other food components thought to pay a role in health, such as dietary fiber. It incorporates functional endpoints and examines the relationship between dose and response in determining adequacy and the hazards of excess intake for each nutrient.
Author: Nancy Ebersole Johnson
Publisher:
ISBN:
Category :
Languages : en
Pages : 292
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Book Description
Author: Börje Edgar Christopher Nordin
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 714
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Book Description
