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Am. J. Enol. Vitic. 46:4:525-528 (1995)
Copyright © 1995 by the American Society for Enology and Viticulture.
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Effects of Reutilized Potassium Bitartrate Seeds on the Stabilization of Dry Sherry Wine

J. M. García-Ruíz 1, R. Alcántara 1, and J. Martín 2

1 Laboratorio de Estudios Cristalográficos, Instituto Andaluz de Ciencias de la Tierra, CSIC-Universidad de Granada, Avda. Fuentenueva s/n, Granada 18002, Spain
2 Departamento de Quimica Física, Facultad de Ciencias, Universidad de Cádiz, Apdo. 40, Puerto Real, Cádiz. Spain.

The kinetics of potassium bitartrate precipitation were analyzed by the crystal seeding method. The influence of the seed size and the number of cycles of seed reutilization was studied. The results show that the stability achieved in dry sherry wines reusing the seeds was acceptable for long residence times (for instance, for classical methods of stabilization), but it should be carefully assessed for residence times of less than four hours.

Key words: wine stability, seeding, potassium bitartrate, potassium hydrogen tartrate

Submitted on August 24, 1994






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Copyright © 1995 by the American Society for Enology and Viticulture.