... the case of dihydropteridine in the conversion of phenylalanine to tyrosine. The sparing effect of massive intakes ... in tissue arginine levels thereby increasing ammonia concentrations. Phenylalanine seems to be quite nontoxic except in phenylketonuria'® ...

... quantity of special formulas required to provide the phenylalanine and protein needs of patients with phen- ylketonuria ( ... dextrose, artificial colors, and flavors. Because aspartame contains phenylalanine, this product is not recommended for use in ...

... acid into lactic acid with evolution of nitrogen. Phenylalanine [C8H6CH2. CH(NH2). COOH]. -This substance may be ... acid. Tyrosine [C6H4.OH.CH2.CH(NH2)COOH] Phenylalanine may also be regarded as ben- zene (p. ...

... or the keto acids, the formation of alanine, phenylalanine and tyrosine have been demonstrated. The extensive synthesis ... has been compensated by an increased supply of phenylalanine. The fact that gelatin cannot of itself satisfy ...

... on glucose tolerance, excretion of ascorbic acid, and phenylalanine tolerance. /. appl. Physiol., 1950, 2: 388-392. Excerpta ... the best balance between length of work period, safety and amount of useful work for the average ...

... 37: 36-8 O 69 Low-protein,low-phenylalanine cakes: dietary treatment of children with phenylketonuria. P. ... 713-5 Je 5 69 Tumor response to phenylalanine-tyrosine-limited diets. A.B.Lorincz and others. ...

... this form. These acids were isoleucine, leucine, methionine, phenylalanine, threonine, tryptophane, and valine. A method was devised ... 101-105. Albanese, A. A. Colorimetric estimation of phenylalanine in some biological products. /. Biol. Chem., 1944, 755: ...

... binding. Mutations of human AR indicated that although phenylalanine 122 putatively binds ARIs, substitution of this amino ... be sequestered by a hydro- phobic bridge comprising phenylalanine 122 and leucine 300. We have begun to ...

... amino "groups in insulin and the isolation of phenylalanine and proline from crystalline insulin. Ibid., 1935, 108: ... 5- diiodo-4-(3',5' -diiodo-2'-hydroxyphenoxy) -phenylalanine, a physiologically active isomer of thyroxine. Ibid., 1941, ...

... predictive of clinical benefit (e.g., normalization of phenylalanine levels for phenylketonuria patients). FDA encourages sponsors to ... predictive of clinical benefit (e.g., normalization of phenylalanine levels for phenylketonuria patients). FDA encourages sponsors to ...