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Title: Determination of deuterated phenylalanine and tyrosine in egg protein by GCQ
Authors: Geypens, Benny ×
Claus, D
Gorris, N
Evenepoel, Pieter
Luypaerts, A
Rutgeerts, Paul
Ghoos, Yvo #
Issue Date: Aug-1999
Publisher: A. Huethig
Series Title: Journal of High Resolution Chromatography vol:22 issue:8 pages:465-468
Abstract: In order to study protein digestibility by means of noninvasive tracer techniques (stable isotopes), a representative oral tracer, Le. a stable isotope labeled protein, is needed. Therefore, egg white containing L-[ring-H-2(5)]phenylalanine and L-[ring-H-2(4)]tyrosine was prepared. The aim of this study was to measure the isotopic enrichment of the labeled amino acids in the egg white. The use of a standard GC-MS, based on ion trap technology was found to be a reliable technique. The enrichment of L-[ring-H-2(4)]phenylalanine and L-[ring-H-2(4)]tyrosine, expressed in Molar Percent (MP) amounted to 23.2 MP and 2.8 MP respectively.
ISSN: 0935-6304
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Translational Research in GastroIntestinal Disorders
Laboratory of Nephrology
× corresponding author
# (joint) last author

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