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calcium beta-hydroxy-beta-methylbutyrate

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https://www.readbyqxmd.com/read/26953693/cellular-and-physiological-effects-of-dietary-supplementation-with-%C3%AE-hydroxy-%C3%AE-methylbutyrate-hmb-and-%C3%AE-alanine-in-late-middle-aged-mice
#1
Julian Vallejo, Madoka Spence, An-Lin Cheng, Leticia Brotto, Neile K Edens, Sean M Garvey, Marco Brotto
There is growing evidence that severe decline of skeletal muscle mass and function with age may be mitigated by exercise and dietary supplementation with protein and amino acid ingredient technologies. The purposes of this study were to examine the effects of the leucine catabolite, beta-hydroxy-beta-methylbutyrate (HMB), in C2C12 myoblasts and myotubes, and to investigate the effects of dietary supplementation with HMB, the amino acid β-alanine and the combination thereof, on muscle contractility in a preclinical model of pre-sarcopenia...
2016: PloS One
https://www.readbyqxmd.com/read/25758255/the-addition-of-beta-hydroxy-beta-methylbutyrate-and-isomaltulose-to-whey-protein-improves-recovery-from-highly-demanding-resistance-exercise
#2
William J Kraemer, David R Hooper, Tunde K Szivak, Brian R Kupchak, Courtenay Dunn-Lewis, Brett A Comstock, Shawn D Flanagan, David P Looney, Adam J Sterczala, William H DuPont, J Luke Pryor, Hiu-Ying Luk, Jesse Maladoungdock, Danielle McDermott, Jeff S Volek, Carl M Maresh
OBJECTIVE: This study evaluated whether a combination of whey protein (WP), calcium beta-hydroxy-beta-methylbutyrate (HMB), and carbohydrate exert additive effects on recovery from highly demanding resistance exercise. METHODS: Thirteen resistance-trained men (age: 22.6 ± 3.9 years; height: 175.3 ± 12.2 cm; weight: 86.2 ± 9.8 kg) completed a double-blinded, counterbalanced, within-group study. Subjects ingested EAS Recovery Protein (RP; EAS Sports Nutrition/Abbott Laboratories, Columbus, OH) or WP twice daily for 2 weeks prior to, during, and for 2 days following 3 consecutive days of intense resistance exercise...
2015: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/25617539/-%C3%AE-hydroxy-%C3%AE-methylbutyrate-as-a-dietary-supplement-i-metabolism-and-toxicity
#3
Rafael Manjarrez-Montes-de-Oca, Mateo Torres-Vaca, Javier González-Gallego, Ildefonso Alvear-Ordenes
INTRODUCTION: -hydroxy--methylbutyrate (HMB) is a leucine metabolite produced from -ketoisocaproic acid. HMB supplementation has been used as a dietary supplement in sports since 1997, with the aim of decreasing muscle proteolysis. In recent years, positive effects have been reported in different pathologies, which suggests potential health benefits. AIMS: The objectives of this review are: to know both HMB metabolism and toxicity, and to identify HMB cellular and molecular mechanisms of action when used as a dietary supplement...
2015: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/23436526/effect-of-%C3%AE-hydroxy-%C3%AE-methylbutyrate-calcium-on-growth-blood-parameters-and-carcass-qualities-of-broiler-chickens
#4
RANDOMIZED CONTROLLED TRIAL
X Qiao, H J Zhang, S G Wu, H Y Yue, J J Zuo, D Y Feng, G H Qi
Beta-hydroxy-β-methylbutyrate (HMB), the metabolite of leucine, plays an important role in muscle protein metabolism. To investigate the effect of dietary HMB calcium (HMB-Ca) on growth performance, breast muscle development, and serum parameters in broiler chickens, a total of two hundred seventy 1-d-old Arbor Acres male broiler chicks were randomly allotted into 3 dietary treatments supplemented with 0, 0.05%, or 0.1% HMB-Ca during the starter (1 to 21 d) and grower (22 to 42 d) period. The results showed that broilers fed 0...
March 2013: Poultry Science
https://www.readbyqxmd.com/read/23374455/international-society-of-sports-nutrition-position-stand-beta-hydroxy-beta-methylbutyrate-hmb
#5
Jacob M Wilson, Peter J Fitschen, Bill Campbell, Gabriel J Wilson, Nelo Zanchi, Lem Taylor, Colin Wilborn, Douglas S Kalman, Jeffrey R Stout, Jay R Hoffman, Tim N Ziegenfuss, Hector L Lopez, Richard B Kreider, Abbie E Smith-Ryan, Jose Antonio
Position Statement: The International Society of Sports Nutrition (ISSN) bases the following position stand on a critical analysis of the literature on the use of beta-hydroxy-beta-methylbutyrate (HMB) as a nutritional supplement. The ISSN has concluded the following. 1. HMB can be used to enhance recovery by attenuating exercise induced skeletal muscle damage in trained and untrained populations. 2. If consuming HMB, an athlete will benefit from consuming the supplement in close proximity to their workout...
2013: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/20132045/combining-fructooligosaccharide-and-dried-plum-has-the-greatest-effect-on-restoring-bone-mineral-density-among-select-functional-foods-and-bioactive-compounds
#6
Bahram H Arjmandi, Catherine D Johnson, Sara C Campbell, Shirin Hooshmand, Sheau C Chai, Mohammed P Akhter
Functional foods and/or their bioactive compounds playing a role in improving skeletal health have received considerable attention. The objective of the present study was to determine the extent to which certain functional foods as (1) whole, e.g., dried plum (DP), figs, dates, raisin, and blueberry, (2) fractionated, e.g., DP puree, DP juice, and DP pulp/skin, or (3) isolated, e.g., DP polyphenols, fructooligosaccharides (FOS), and beta-hydroxy-beta-methylbutyrate, forms reverse bone loss in an ovariectomized (Ovx) rat model of osteoporosis...
April 2010: Journal of Medicinal Food
https://www.readbyqxmd.com/read/18263656/neonatal-programming-of-skeletal-development-in-sheep-is-mediated-by-somatotrophic-axis-function
#7
Marcin R Tatara
Nutritional and metabolic exposure during critical periods of prenatal and neonatal development in animals and humans may induce long-term effects on health status in later life. The aim of this study was to investigate the effects of neonatal treatment with beta-hydroxy-beta-methylbutyrate (HMB) during the first 3 weeks of life on programming of skeletal development in sheep. The study was performed on 12 male sheep divided into two groups. While the control group was treated with placebo, the lambs in the HMB group received the calcium salt of beta-hydroxy-beta-methylbutyrate at a daily dose of 0...
June 2008: Experimental Physiology
https://www.readbyqxmd.com/read/10606212/effects-of-calcium-beta-hydroxy-beta-methylbutyrate-hmb-supplementation-during-resistance-training-on-markers-of-catabolism-body-composition-and-strength
#8
RANDOMIZED CONTROLLED TRIAL
R B Kreider, M Ferreira, M Wilson, A L Almada
Calcium beta-hydroxy-beta-methylbutyrate (HMB) supplementation has been reported to reduce muscle catabolism and promote gains in fat-free mass and strength in subjects initiating training. However, whether HMB supplementation promotes these adaptations in trained athletes is less clear. This study examined the effects of HMB (as the calcium salt) supplementation during resistance training (6.9+/-0.7 hr x wk(-1)) on markers of catabolism, body composition and strength in experienced resistance-trained males...
November 1999: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/9361403/conversion-of-beta-methylbutyric-acid-to-beta-hydroxy-beta-methylbutyric-acid-by-galactomyces-reessii
#9
I Y Lee, S L Nissen, J P Rosazza
beta-Hydroxy-beta-methylbutyric acid (HMB) has been shown to increase strength and lean mass gains in humans undergoing resistance-exercise training. HMB is currently marketed as a calcium salt of HMB, and thus, environmentally sound and inexpensive methods of manufacture are being sought. This study investigates the microbial conversion of beta-methylbutyric acid (MBA) to HMB by cultures of Galactomyces reessii. Optimal concentrations of MBA were in the range of 5 to 20 g/liter for HMB production. Preliminary shake flask experiments indicated that HMB yields were sensitive to dissolved oxygen levels and that cell growth decreased significantly as MBA concentrations increased...
November 1997: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/8852485/calcium-beta-hydroxy-beta-methylbutyrate-1-potential-role-as-a-phosphate-binder-in-uremia-in-vitro-study
#10
M F Sousa, N N Abumrad, C Martins, S Nissen, M C Riella
The binding capacity of calcium beta-hydroxy-beta-methylbutyrate (calcium HMB), compared to other binders, was investigated in an in vitro study. Fifty milliequivalents of either calcium HMB, calcium acetate, calcium carbonate, aluminum hydroxide gel or non-gel aluminum hydroxide was added to a phosphate solution, titrated (HCl or NaOH), shaken and centrifuged to four different pH levels at 37 degrees C (simulating the gastrointestinal milieu). The difference in phosphate concentration between that of the initial and that of the supernatant represented from the bound phosphate in the precipitate...
1996: Nephron
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