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374 results

  1. NLM Digital Collections - The Surgeon General's Report on Nutrition and Health (pages 51-75) 
    Publication: United States. Public Health Service. Office of the Surgeon General, 1988
    ... amino acids include isoleucine, leucine, lysine, methi- onine, phenylalanine, threonine, tryptophan, and valine. The amino acid cystine ... tyrosine can replace part of the requirement for phenylalanine. Histidine is an essential amino acid for infants, ...
  2. ... has greater stimulatory activity in an E. coli phenylalanine- incorporating system; and (4) the administration of MC ... 176, February 1977. KAUFMAN, S. The enzymatic conversion of phenylalanine to tyrosine. Journal of Biological Chemistry 226: 511- ...
  3. NLM Digital Collections - The Surgeon General's Report on Nutrition and Health (pages 476-500) 
    Publication: United States. Public Health Service. Office of the Surgeon General, 1988
    ... become toxic (e.g., copper in Wilson’s disease, phenylalanine in phen- ylketonuria) (Dreyfus 1988). The seeds of ... al. 1986). The rat, unlike humans, rapidly converts phenylalanine (a component of aspartame) to tyrosine. Until aspartame ...
  4. ... taken from a patient with beriberi. After feeding /-phenylalanine, Closs & Folling (51) were able to detect very ... valine, norvaline, leucine, isoleucine, norleucine, allo- isoleucine and phenylalanine. Preliminary evidence of serum protein combinations with ascorbate ...
  5. ... the American Chemical Society. (4?) The Determination of Phenylalanine in Serum by Mass Sragqmentography. Clinical Biochem., 6 ( ... Grant (47) An Automated Gas Chromatographic Analysis of Phenylalanine in Seram. Tlinical Biochem., 5, 166 (1972). By ...
  6. ... C. Djerassi An Automated Gas Chromatographic Analysis of Phenylalanine in Serum. Clinical Biochem., 5, 166 (1972) | . By ... Kossanyi and A. M. Duffield The Determination of Phenylalanine in Serum by Mass Fragmentography Clinical Biochem., submitted ...
  7. ... in Urine by Mass Fragmentography” "The Determination of Phenylalanine in Serum by Mass Fragmentography" "The Simultaneous Quantitation ... research relevant to both sponsors. The Determination of Phenylalanine in Serun by Mass Fragmentography. Clinical Biochem., 6 ( ...
  8. ... valine, i-leucine, leucine, proline, methionine, aspartic acid, phenylalanine, tyrosine, glutamic acid and lysine. In view of ... A Defect in the Metabolisn of Tyrosine and Phenylalanine in Preaature Infants, I: Identification ani Assay of ...
  9. ... in Phenylketonuria. Dr, Greenberg. The effect of high phenylalanine levels on tryptophan meta- -{- bolism in animals and ... of altering tryptophan metabolism, as well as lowering phenylalanine levels, in the therapy of phenylketonuria is under ...
  10. ... We are now tracking down a precursor of phenylalanine which is accum-— ulated at 1 day, and then gets convetted to phenylalanine after several days of incubation. It looks as ...
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