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Showing 1 to 10 of 10 for “"Plasma amino acids"”.
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Fasting Plasma Amino Acids in Relation to Serum Lipids in Human Male Subjects
<p>The association of fasting plasma amino acids with serum lipids was studied in 23 healthy human male subjects with ages ranging from 31 to 62 years (45±9, mean± SD). There were 12 normocholesterolemic (serum cholesterol = 183±17 mg/dL) and 11 hypercholesterolemic (271±27 mg/dL) subjects. Venous …
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The Effect of Whey Protein Isolate on Plasma Amino Acids, Nitrogen Balance, Glutathione and Performance during Energy Restriction in Athletes
… study compared the effects of whey and casein on plasma AA, nitrogen balance (NBAL), glutathione and performance in dieting athletes. Twenty cyclists consumed 40 g·d-1 whey (WHEY) or casein (CAS) for 3 wk. On d 18 – 21 subjects restricted intake to 20 kcal·kg-1·d-1 plus protein supplement. …
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Effect of dietary protein source on satiety, postprandial blood biomarkers, and metabolism
… feeding behavior, metabolism, and changes in plasma amino acids and insulin levels in order to identify possible mechanisms involved in differences of satiety. Rats were entrained to a meal-feeding schedule, which included an overnight fast before being provided a 30-minute treatment meal. The …
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Time Delayed Protein Complementation
… male rats by measuring growth rates as well as plasma and tissue free amino acids. Diets of pinto beans with rice, corn or wheat were pair-fed in combination or alternating 4 times a day at 6 and 11 am, and 4 and 9 pm for 4 weeks. Plasma, liver and muscle samples were obtained 2 hours …
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Role of Betaine-Homocysteine S-Methyltransferase in Homocysteine Methylation
… reduced BHMT activity (87%) and elevated total plasma Hcy (tHcy, 2.7-fold) for 8 hours. Repeated intraperitoneal injections of D,L-CBHcy (6 doses) additionally reduced the liver S-adenosylmethionine-to-S-adenosylhomocysteine ratio (65%). To assess whether BHMT inhibition affected liver and …
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Lysine and Tryptophan Supplementation of Low-Protein, Corn-Soybean Meal Diets for Lactating Swine
… (P .10) on sow milk composition or yield. Plasma levels of threonine (P < .0003), valine (P < .094) and urea (P < .006) were lower when sows were fed the 11 + L diet; tryptophan addition resulted in increased plasma methionine (P < .045), in comparison to those fed the 14% diet. When gilts …
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Lactational and Systemic Responses to the Supplementation of Protected Methionine in Soybean Meal Diets
… protein provides a substantial amount of the amino acids absorbed by the small intestine. High production rates cannot be attained with microbial protein as .the sole source of amino acids. The ten classical essential amino acids are required for milk protein synthesis. Increasing the amount …
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Movement of plasma free, erythrocyte free, peptide and serum protein amino acids across the gastrointestinal tract and liver of calves
Peptide, plasma free, erythrocyte free and serum protein amino acid arteriovenous differences were quantified across the gastrointestinal tract (GIT) and liver of growing calves during a "steady state" and fasting metabolism. Six Holstein steer calves (136 kg) surgically equipped with cannulae in …
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Response of Lactating Cows to Added Unsaturated Fat and Niacin
… and 4.85%). Short and medium chain length fatty acids present in the milk decreased (P<.01) with added fat diets (short: 24.6, 24.8, 21.0, and 19.9%; medium: 39.6, 39.6, 30.9, and 30.2%). Long chain fatty acids increased (P<.01) with the addition of fat (31.9, 31.6, 42.9, and 45.2%); and were …
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Nitrogen Efficiency and Regulation of Protein Synthesis in Lactating Dairy Cows
… and 30% or less is retained in milk protein. Plasma amino acids (AA) that are not used for protein synthesis in mammary glands (MG) are catabolized in post splanchnic tissues (liver plus gastrointestinal tract, pancreas, spleen, portal system, and associated adipose tissue) and two thirds of …