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Synthesis of Sulfur Amino Acids from Inorganic Sulfate by Ruminants
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1950
Year
EngineeringFood AnalysisRadioactive Proteins CystineSulfur Amino AcidsBiosynthesisApprmeciable RadioactivityBioanalysisFeed AdditiveAnalytical ChemistryChromatographyAnimal PhysiologyBiochemistryAnimal NutritionRadioactive Sodium SulfateBiomolecular EngineeringAnimal ScienceRadioanalytical ChemistryMetabolismMedicine
Radioactive sodium sulfate was fed to a cow, milk was collwted for several days, and the proteins were isolated. The proteins showed apprmeciable radioactivity. From the hydrolysate of the radioactive proteins cystine and methionine were separeated on chromatograms, and eluted. Both cystine and methionine contained radioactive sulfur in appreciable amounts.