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Total sulfur amino acid requirement in young men as determined by indicator amino acid oxidation with L-[1-13C]phenylalanine
amino acid requirement stable isotopes phenylalanine
2016/6/14
Determining the sulfur amino acid (SAA) requirements
of humans has remained elusive because of the complex
nature of SAA metabolism. Current recommendations are based
on nitrogen balance studies.
Intake of major nutrients by women in the Maternal Phenylketonuria (MPKU) Study and effects on plasma phenylalanine concentrations
genotype plasma phenylalanine protein
2016/6/13
Women with untreated phenylketonuria (PKU)
often have poor reproductive outcomes.
Tyrosine requirement of healthy men receiving a fixed phenylalanine intake determined by using indicator amino acid oxidation
stable isotopes adult amino acid requirements Amino acid metabolism
2016/6/12
The currently accepted total aromatic amino acid
requirement for adults is based on nitrogen balance measurements
in individuals who received their intake of aromatic amino
acids solely as phenylal...
Phenylketonuria: tyrosine supplementation in phenylalanine-restricted diets
Phenylketonuria PKU tyrosine
2016/6/12
Treatment of phenylketonuria (PKU) consists
of restriction of natural protein and provision of a protein substitute
that lacks phenylalanine but is enriched in tyrosine. Large
and unexplained diffe...
Threonine requirement of young men determined by indicator amino acid oxidation with use of L-[1-13C]phenylalanine
Threonine indicator amino acid oxidation, amino acid requirement stable isotope phenylalanine men
2016/6/3
Background: Threonine is an indispensable amino acid with a
complex degradative pathway. Use of the indicator amino acid
oxidation technique should provide an estimate of the threonine
requirement ...