Total sulfur amino acid requirement in young men as determined by indicator amino acid oxidation with l-[1-13C]phenylalanine
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چکیده
منابع مشابه
Tryptophan requirement of growing swine as determined by the oxidation of an indicator amino acid.
The tryptophan requirement of growing swine was determined using the oxidation of L-[1-14C]-phenylalanine as an indicator of the adequacy of the dietary tryptophan level. Forty crossbred boars (30 to 45 kg) were fed a basal diet containing 16% protein supplied by corn and gelatin. A series of experimental diets containing .05, .08, .10, .15, .20 and .25% L-tryptophan were prepared. The diets we...
متن کاملPhenylalanine requirement in children with classical PKU determined by indicator amino acid oxidation.
Dietary restriction of phenylalanine is the main treatment for phenylketonuria (PKU), and current estimates of requirements are based on plasma phenylalanine concentration and growth. The present study aimed to determine more precisely the phenylalanine requirements in patients with the disease by use of indicator amino acid oxidation, with L-[1-13C]lysine as the indicator. Breath 13CO2 product...
متن کاملLysine requirement of healthy school-age children determined by the indicator amino acid oxidation method.
BACKGROUND The current Dietary Reference Intake (DRI) recommendations for lysine requirements in children are based on a factorial estimate. OBJECTIVE The objective of the current study was to determine the lysine requirement in healthy school-age children by measuring the oxidation of l-[1-(13)C]phenylalanine to (13)CO(2) (F(13)CO(2)) in response to graded intakes of lysine. DESIGN Five he...
متن کاملLysine requirement of healthy, school-aged Indian children determined by the indicator amino acid oxidation technique.
We recently reported the lysine requirement of school-aged children living in Canada consuming a mixed diet to be 35 mg.kg(-1).d(-1). Because the majority of children in the world live on cereal-based diets in developing countries, we measured the daily lysine requirement in healthy children living in India and consuming a mostly cereal-based diet. Our objective in this study was to determine t...
متن کاملTotal branched-chain amino acids requirement in patients with maple syrup urine disease by use of indicator amino acid oxidation with L-[1-13C]phenylalanine.
Maple syrup urine disease (MSUD) is an autosomal recessive disorder caused by defects in the mitochondrial multienzyme complex branched-chain alpha-keto acid dehydrogenase (BCKD; EC 1.2.4.4), responsible for the oxidative decarboxylation of the branched-chain ketoacids (BCKA) derived from the branched-chain amino acids (BCAA) leucine, valine, and isoleucine. Deficiency of the enzyme results in ...
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ژورنال
عنوان ژورنال: The American Journal of Clinical Nutrition
سال: 2001
ISSN: 0002-9165,1938-3207
DOI: 10.1093/ajcn/74.6.756