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The microbiological assay of amino acids. 1. The assay of tryptophan, leucine, isoleucine, value, cystine, methionine, lysine, phenylalanine, histidine, arginine and threonine


The microbiological assay of amino acids. 1. The assay of tryptophan, leucine, isoleucine, value, cystine, methionine, lysine, phenylalanine, histidine, arginine and threonine



Analyst 71: 267-278



ISSN/ISBN: 0003-2654

Procedures are described for the microbiological assay of each of the essential ammo-acids. In the methods for tryptophane, leucine, valine, isoleucine and cystine Lactobacillus arabinosusi 17/5 was used as the test organism. The test solution, after inoculation with the organism, was incubated for 72 hr. at 37 degrees C. and the acid formed was titrated with 0.1 N NaOH solution.

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Accession: 013885897

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