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Isolation and characterization of 3-deoxypentulose and its determination in heated milk

Published online by Cambridge University Press:  01 June 2009

Esperanza Troyano ,
Agustin Olano ,
Maria Luisa Jimeno ,
Jesus Sanz  and
Isabel Martínez-Castro
Esperanza Troyano
Affiliation:
Instituto de Fermentaciones Industriales, Juan de la Cierva 3, E-28006 Madrid, España
Agustin Olano
Affiliation:
Instituto de Fermentaciones Industriales, Juan de la Cierva 3, E-28006 Madrid, España
Maria Luisa Jimeno
Affiliation:
Centro Nacional de Química Orgánica, Juan de la Cierva 3, E-28006 Madrid, España
Jesus Sanz
Affiliation:
lnstituto de Química Orgánica General (CSIC), Juan de la Cierva 3, E-28006 Madrid, España
Isabel Martínez-Castro
Affiliation:
lnstituto de Química Orgánica General (CSIC), Juan de la Cierva 3, E-28006 Madrid, España
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Summary

The presence of 3-deoxypentulose in heated milk is reported. This compound has been isolated from alkaline solutions of lactose and characterized by spectroscopic and Chromatographie techniques. Gas Chromatographic analysis of free monosaccharides of milk revealed two peaks corresponding to 3-deoxypentulose in commercial sterilized milk samples, in a concentration range of 30–50 mg/1. Its concentration increased with temperature and length of time of processing.

Type
Original Articles
Information
Journal of Dairy Research , Volume 59 , Issue 4 , November 1992 , pp. 507 - 515
Copyright
Copyright © Proprietors of Journal of Dairy Research 1992

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References

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