.... For the 20 h preceding surgery and during the measurement of protein synthesis, the patients received intravenous saline, conventional intravenous nutrition (0.2 g of N and 103 non-protein kJ/kg body weight) or intravenous nutrition enriched with the branched-chain amino acids leucine, isoleucine and valine...

...S. Eriksson; L. Hagenfeldt; J. Wahren 1., Intravenous infusions of l-valine (600 μmol/min), l-isoleucine (150 μmol/min), l-leucine (300 μmol/min) and a mixture of the three branched-chain amino acids (70% l-leucine, 20% l-valine, 10% l-isoleucine; 270 μmol/min) were given to four groups of healthy...

...W. W. C. Read; D. S. McLaren; Marie Tchalian 1. l-Valine, l-leucine and l-isoleucine containing 15 N were prepared, purified, and fed to marasmic and recovered infants. The excretion of total 15 N and [ 15 N]urea in the urine was followed for 72 h. 2. 15 N excreted from isoleucine was about 90...