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Potentiometric titration of field bean protein isolate and plastein produced from it



Potentiometric titration of field bean protein isolate and plastein produced from it



Nahrung 27(1): 71-78



Studies were conducted on continuous or discontinuous potentiometric titration (against KOH) of (i) field bean protein isolate, (ii) its pepsin hydrolysate and (iii) plastein prepared therefrom; a GB 50 N glass electrode and a MV 88 pH meter were used. Trials on titration of L-alanine, ovalbumin and beta -lactoglobulin confirmed the accuracy of the procedure. Titration curves for (i), (ii) and (iii) are given; results are discussed in detail, and compared with data for amino acid composition.

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Accession: 001236740

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