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Analysis of potato sugars by gas chromatography

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Abstract

A procedure for determining sugars in potato tubers by gas chromatography is described and examples given of its application to stored and reconditioned potatoes. Juice from tubers is extracted, boiled, centrifuged, and the trimethylsilyl derivatives of the sugars prepared. Column choice and operating conditions are given. Results are fairly comparable to those from wet analysis, are more comprehensive, and more easily obtained.

Resumen

Se describe un procedimiento para determinar azúcares en tubérculos de papa por medio de gas-cromatografía y se dan ejemplos de su aplicación a papas almacenadas y restoradas. El jugo de los tuérculos se extrae, cuece, y centrifuga y los derivados trimethylsilyl de azúcar se preparan. Se indica la selección de la columna y las condiciones de operación. Los resultados se comparan bien a los obtenidos por un análisis húmedo, son más comprehensivos y se obtienen más facilmente.

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Authors and Affiliations

  1. Red River Valley Potato Processing Laboratory, East Grand Forks, Minn.

    Roy Shaw

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  1. Roy Shaw
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A laboratory cooperatively operated by the Eastern Utilization Research and Development Division, Agricultural Research Service, United States Department of Agriculture; Minnesota Agricultural Experiment Station; North Dakota Agricultural Experiment Station; and the Red River Valley Potato Growers’ Association.

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Shaw, R. Analysis of potato sugars by gas chromatography. American Potato Journal 46, 201–213 (1969). https://doi.org/10.1007/BF02863048

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  • DOI: https://doi.org/10.1007/BF02863048

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