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Cork, a Natural Choice to Wine?

Joana Azevedo1, Paulo Lopes2, Nuno Mateus1

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This review details cork compounds, their wine interactions, and effects on wine quality. Understanding cork

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Area of Science:

  • Enology and Wine Chemistry
  • Forest Products Science

Background:

  • Cork is a natural material widely used as a wine closure.
  • The chemical composition of cork influences wine over time.
  • Understanding cork-wine interactions is crucial for winemaking.

Purpose of the Study:

  • To review the latest data on cork composition and its extractable compounds.
  • To analyze the impact of cork stoppers on wine's physical-chemical and sensory properties.
  • To discuss the sustainability aspects of cork production and waste management.

Main Methods:

  • Literature review of recent scientific publications.
  • Analysis of chemical compounds extracted from cork into wine.
  • Evaluation of the effects on wine's organoleptic properties (color, taste).

Main Results:

  • Cork contains various compounds that can transfer to wine.
  • These compounds affect wine's color, taste, and overall sensory profile.
  • Cork stoppers play a significant role in post-bottling wine evolution.

Conclusions:

  • Knowledge of cork's chemical composition is vital for wine producers' closure selection.
  • The study highlights the importance of cork's natural properties in wine aging.
  • The cork industry is addressing sustainability and waste cycle closure.