European Food Research and Technology

, Volume 243, Issue 11, pp 2043–2054 | Cite as

Comparative study of sodium bentonite and sodium-activated bentonite fining during white wine fermentation: its effect on protein content, protein stability, lees volume, and volatile compounds

  • Fernando N. SalazarEmail author
  • Matteo Marangon
  • Mariela Labbé
  • Eugenio Lira
  • Juan José Rodríguez-Bencomo
  • Francisco López
Original Paper


In this work, we compare the effect of the addition during fermentation of both sodium bentonite and sodium-activated bentonite on the protein content, protein stability, lees volume, and aroma compounds of a Sauvignon blanc wine. Protein unstable Sauvignon blanc juices were vinified with or without bentonite added at three different stages: before fermentation, early during fermentation, and towards the end of fermentation. Different addition doses of bentonite were used (X, X − 0.1, X − 0.2 g/L) according to protein instability of the grape juice (X = 1.7 and 2.7 g/L to sodium bentonite and sodium-activated bentonite, respectively). The wines stabilized with sodium-activated bentonite presented a higher content of volatile compounds and a lower volume of lees were produced than those treated with sodium bentonite, an effect that was greater when the fining treatment was done before the start of the fermentation.


Activated bentonite Lees Protein stability Sauvignon blanc Sodium bentonite Volatile compounds 



This work was supported by the Chilean National Commission for Research, Science and Technology (CONICYT-Chile) through Grant FONDECYT INICIACION No. 11121594. The authors are indebted to Quintay winery from Casablanca valley for providing the grape juices.

Compliance with ethical standards

Conflict of interest

All authors declare that they have no conflict of interest.

Compliance with ethics requirements

This article does not contain any studies with human or animal subjects.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Fernando N. Salazar
    • 1
    Email author
  • Matteo Marangon
    • 2
  • Mariela Labbé
    • 1
  • Eugenio Lira
    • 1
  • Juan José Rodríguez-Bencomo
    • 3
  • Francisco López
    • 3
  1. 1.Escuela de Alimentos, Facultad de Ciencias Agronómicas y de los AlimentosPontificia Universidad Católica de ValparaísoValparaísoChile
  2. 2.Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE)University of PaduaLegnaroItaly
  3. 3.Departament d’Enginyeria Química, Facultat d’EnologiaUniversitat Rovira i VirgiliTarragonaSpain

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