Results 21 to 30 of about 65 (49)

[Direct densitometric method of evaluation of paper chromatograms of pyrrolidonecarboxylic acid in tomato juice].

Roczniki Panstwowego Zakladu Higieny, 1970
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A convenient procedure for the determination of pyrrolidonecarboxylic acid and related compounds

Analytical Biochemistry, 1965
Abstract A procedure is described for the quantitative determination of pyrrolidonecarboxylic acid by gas-liquid chromatography. The sample is treated with methanol containing hydrogen chloride; more than 97% of the pyrrolidonecarboxylic acid present is converted to the corresponding methyl ester under these conditions.
Peter Polgar, Alton Meister
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A paper chromatographic method for identification and estimation of pyrrolidonecarboxylic acid

Analytical Biochemistry, 1967
Abstract A paper chromatographic method is described for identification and semimicro estimation of pyrrolidonecarboxylic acid (PCA). When heated with hydroxylamine, PCA undergoes quantitative conversion to γ-glutamyl hydroxamate, which on treatment with ferric chloride gives a brown spot on a yellow background on paper.
M Ramakrishna
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14C-labeled pyrrolidonecarboxylic acid as a contaminant in chromatography

Journal of Chromatography A, 1966
C F Baxter
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L-Pyrrolidonecarboxylic Acid

Journal of the American Chemical Society, 1954
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Pyrrolidonyl peptidase. Enzyme for selective removal of pyrrolidonecarboxylic acid residues from polypeptides

Biochemistry, 1968
Russell F Doolittle, R F Doolittle
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The metabolic formation of pyrrolidonecarboxylic acid from L-glutamic acid in rat liver

Biochimica Et Biophysica Acta - General Subjects, 1964
Norio Motohashi
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Energy production and pyrrolidonecarboxylic acid formation in rat liver nuclei

Biochemical and Biophysical Research Communications, 1964
Harold J Strecker
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Off-Flavors in Foods, Formation of Pyrrolidonecarboxylic Acid in Processed Fruit and Vegetable Products

Journal of Agricultural and Food Chemistry, 1959
A. A. Mahdi, A. C. Rice, K. G. Weckel
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Off-Flavors in Foods, Effect of Pyrrolidonecarboxylic Acid on Flavor of Processed Fruit and Vegetable Products

Journal of Agricultural and Food Chemistry, 1961
A. A. Mahdi, A. C. Rice, K. G. Weckel
exaly   +2 more sources