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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/33903
Title: 
Effect of chemical pretreatment on the physical properties of dehydrated grapes
Author(s): 
Institution: 
  • Universidade Estadual de Campinas (UNICAMP)
  • Universidade Estadual Paulista (UNESP)
ISSN: 
0737-3937
Abstract: 
The effects of chemical pretreatment and air drying temperature on drying kinetics, shrinkage, density and rehydration ratio of grapes were determined at various moisture contents. It was observed that the chemical pretreatment employed - a solution of 2% CaCO3 with 0 to 3% ethyl oleate - increased considerably the drying rate. It was established that the shrinkage increased with drying temperature between 40 to 80 degrees C and decreased with increasing concentration of ethyl oleate in the chemical pretreatment solution.
Issue Date: 
1-Jan-1999
Citation: 
Drying Technology. New York: Marcel Dekker Inc., v. 17, n. 6, p. 1215-1226, 1999.
Time Duration: 
1215-1226
Publisher: 
Marcel Dekker Inc
Keywords: 
  • density
  • drying
  • grape
  • pretreatment
  • rehydration ratio
  • shrinkage coefficient
Source: 
http://dx.doi.org/10.1080/07373939908917606
URI: 
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/33903
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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