The Influence of Dietary Excesses of Branched-chain Amino Acids on Metabolism in the Chick PDF Download
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Author: Trevor Kent Smith
Publisher:
ISBN:
Category : Amino acids in animal nutrition
Languages : en
Pages : 286
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Author: Trevor Kent Smith
Publisher:
ISBN:
Category : Amino acids in animal nutrition
Languages : en
Pages : 286
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Book Description
Author: Diane Marie Hargrove
Publisher:
ISBN:
Category :
Languages : en
Pages : 326
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Author: Catherine Carty Welch
Publisher:
ISBN:
Category : Amino acids
Languages : en
Pages : 350
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Author: Guoyao Wu
Publisher: Springer Nature
ISBN: 3030544621
Category : Medical
Languages : en
Pages : 256
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Book Description
Amino acids (AAs) are not only building blocks of protein, but are also signalling molecules as well as regulators of gene expression and the protein phosphorylation cascade. Additionally, AAs are key precursors for syntheses of hormones and low-molecular weight nitrogenous substances with each having enormous biological importance. For example, physiological concentrations of AA metabolites (e.g., nitric oxide, polyamines, glutathione, taurine, thyroid hormones, and serotonin) are required for cell functions. Growing evidence shows that humans and animals have dietary requirements for all proteinogenic AAs. Mammals, birds and fish also have species- and age-dependent needs for some AA-related substances. However, elevated levels of other products (e.g., ammonia, homocysteine, H2S, and asymmetric dimethylarginine) are pathogenic factors for neurological disorders, oxidative stress, and cardiovascular disease. Thus, optimal amounts of AAs and their ratios in diets and circulation are crucial for whole body homeostasis and health. Adequate provision of one or a mixture of functional AAs or metabolites may be beneficial for ameliorating health problems at various stages of the life cycle (e.g., fetal growth restriction, neonatal morbidity and mortality, weaning-associated intestinal dysfunction and wasting syndrome, obesity, diabetes, cardiovascular disease, the metabolic syndrome, and infertility). Dietary supplementation of these nutrients can also optimize the efficiency of metabolic transformations to enhance muscle growth, milk production, and athletic performance, while preventing excess fat deposition and reducing adiposity. Therefore, functional AAs hold great promise in improving the growth, health and well-being of individuals. Chapter 7 is available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Frederick Edward Pfaff
Publisher:
ISBN:
Category : Lipids
Languages : en
Pages : 362
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Author: Charles Earl Sasse
Publisher:
ISBN:
Category : Amino acids in animal nutrition
Languages : en
Pages : 190
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Author: Linda Sue Griskivich
Publisher:
ISBN:
Category :
Languages : en
Pages : 74
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Author: Mendel Friedman
Publisher: Springer Science & Business Media
ISBN: 1468433660
Category : Science
Languages : en
Pages : 879
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Book Description
The nutritional quality of a protein depends on the proportion of its amino acids-especially the essential amino acids-their physio logical availability, and the specific requirements of the consumer. Availability varies and depends on protein source, interaction with other dietary components, and the consumer's age and physiological state. In many foods, especially those from plants, low levels of various essential amino acids limits their nutritive value. This is particularly important for cereals (which may be inadequate in the essential amino acids isoleucine, lysine, threonine, and tryto phan) and legumes (which are often poor sources of methionine). Moreover, these commodities are principle sources of protein for much of the earth's rapidly growing population. At the current annual growth rate of about 2 percent, the world population of about 4 billion will increase to 6.5 billion by the year 2000 and to 17 billion by the year 2050. Five hundred milliQn people are presently estimated to suffer protein malnutrition, with about fifteen thousand daily deaths. The ratio of malnourished to adequately nourished will almost surely increase. For these reasons, and especially in view of the limited availability of high quality (largely animal) protein to feed present and future populations, improvement of food and feed quality is especially important.
Author: Institut national de la recherche agronomique (France)
Publisher:
ISBN:
Category : Animal feeding
Languages : en
Pages : 308
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