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Simple flow injection analysis system for determination of added sugars in dairy products

Published online by Cambridge University Press:  01 November 1998

EDUARDO CORTÓN  and
GUILLERMO LOCASCIO
EDUARDO CORTÓN
Affiliation:
Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, (1428) Buenos Aires, Argentina
GUILLERMO LOCASCIO
Affiliation:
Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, (1428) Buenos Aires, Argentina
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Abstract

A microbial sensor based on a carbon dioxide electrode coupled with immobilized Saccharomyces cerevisiae (baker's yeast) has been used for the determination of sucrose in dairy products. The sensor was used as the detector in a flow injection analysis system. Calibration curves for sucrose were established from 1 to 100 g/l. Determinations for several dairy products containing added sucrose gave good agreement with the concentrations given by manufacturers. Typically, the se of the method was shown to be <5% of the calculated mean.

Type
Research Article
Information
Journal of Dairy Research , Volume 65 , Issue 4 , November 1998 , pp. 675 - 680
Copyright
Proprietors of Journal of Dairy Research 1998

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