Application of membrane filtration methods for must processing and preservation

Attila Rektor, Nóra Pap, Zoltán Kókai, Rita Szabó, G. Vatai, Erika Békássylnár

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

The aim of this study was to investigate membrane filtration for must processing and to carry out a complex method for preservation and concentration of grape must. In the experiments white and red grape-juice samples were used. After the transportation of the samples in to the laboratory the impact of the pre-treatment and process parameters were examined, and in the case of red grape must also the degree of anthocyanin retention was measured as well. Microfiltration (MF) resulted in the clarification and sterilization of the samples. After microfiltration permeates were concentrated by reverse osmosis (RO). During filtration the sugar content remained in the retentate. Very low anthocyanin content was measured in the red grape juice permeate, which proves good anthocyanin retention of the membrane. With the combination of the two processes a new complex method can be established that results in a sterile concentrate with a higher sugar content. This method gives a possibility to handle must excess and to develop a new product without preservatives.

Original languageEnglish
Pages (from-to)271-277
Number of pages7
JournalDesalination
Volume162
Issue number1-3
DOIs
Publication statusPublished - Mar 10 2004

Fingerprint

Anthocyanins
Microfiltration
membrane
Membranes
Sugars
sugar
Processing
preservative
Reverse osmosis
method
experiment
Experiments
microfiltration

Keywords

  • Clarification
  • Grape juice concentration
  • Microfiltration
  • Reverse osmosis
  • Sensory analysis

ASJC Scopus subject areas

  • Filtration and Separation

Cite this

Application of membrane filtration methods for must processing and preservation. / Rektor, Attila; Pap, Nóra; Kókai, Zoltán; Szabó, Rita; Vatai, G.; Békássylnár, Erika.

In: Desalination, Vol. 162, No. 1-3, 10.03.2004, p. 271-277.

Research output: Contribution to journalArticle

Rektor, A, Pap, N, Kókai, Z, Szabó, R, Vatai, G & Békássylnár, E 2004, 'Application of membrane filtration methods for must processing and preservation', Desalination, vol. 162, no. 1-3, pp. 271-277. https://doi.org/10.1016/S0011-9164(04)00051-7
Rektor, Attila ; Pap, Nóra ; Kókai, Zoltán ; Szabó, Rita ; Vatai, G. ; Békássylnár, Erika. / Application of membrane filtration methods for must processing and preservation. In: Desalination. 2004 ; Vol. 162, No. 1-3. pp. 271-277.
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