Acid balance: Difference between revisions
Created page with "Acid balance refers to the equilibrium between the different organic acids present in wine, their total concentration, and their interaction with pH, alcohol, sugar and phenolic components. It is a key determinant of freshness, structure, stability and overall harmony, influencing both sensory perception and ageing potential.<ref>Robinson (ed.), ''The Oxford Companion to Wine'', Oxford University Press, 2015, ISBN 9780198705383.</ref> == Components of acid balance == T..." |
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== Sensory perception == | == Sensory perception == | ||
Balanced acidity provides freshness and tension without excessive sharpness. Wines lacking acid balance may appear flabby, dull or heavy, while excessive acidity can result in aggressive or angular sensations.<ref>Peynaud, ''Knowing and Making Wine'', Wiley, 1984, ISBN 9780471881491.</ref> | Balanced acidity provides freshness and tension without excessive sharpness. [[Wines]] lacking acid balance may appear flabby, dull or heavy, while excessive acidity can result in aggressive or angular sensations.<ref>Peynaud, ''Knowing and Making Wine'', Wiley, 1984, ISBN 9780471881491.</ref> | ||
Acid balance interacts closely with alcohol, residual sugar and phenolic structure, shaping the overall impression of harmony and drinkability.<ref>Stevenson, ''The Sotheby’s Wine Encyclopedia'', DK, 2011, ISBN 9780756686840.</ref> | Acid balance interacts closely with alcohol, residual sugar and phenolic structure, shaping the overall impression of harmony and drinkability.<ref>Stevenson, ''The Sotheby’s Wine Encyclopedia'', DK, 2011, ISBN 9780756686840.</ref> | ||
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== Viticultural influences == | == Viticultural influences == | ||
Grape acid balance is influenced by variety, climate, site, canopy management and harvest timing. Cooler conditions favour acid retention, while warm climates accelerate acid respiration, challenging balance at ripeness.<ref>Keller, ''The Science of Grapevines'', Academic Press, 2015, ISBN 9780124199873.</ref><ref>Jackson, ''Wine Science: Principles and Applications'', Academic Press, 2020, ISBN 9780128161180.</ref> | [[Grape]] acid balance is influenced by variety, climate, site, canopy management and harvest timing. Cooler conditions favour acid retention, while warm climates accelerate acid respiration, challenging balance at ripeness.<ref>Keller, ''The Science of Grapevines'', Academic Press, 2015, ISBN 9780124199873.</ref><ref>Jackson, ''Wine Science: Principles and Applications'', Academic Press, 2020, ISBN 9780128161180.</ref> | ||
Earlier harvesting, altitude, and site selection are commonly used to preserve acid balance in warm regions.<ref>Jones et al., ''Climate Change and Global Wine Quality'', Wiley, 2012, ISBN 9781118450048.</ref> | Earlier harvesting, altitude, and site selection are commonly used to preserve acid balance in warm regions.<ref>Jones et al., ''Climate Change and Global Wine Quality'', Wiley, 2012, ISBN 9781118450048.</ref> | ||
Revision as of 13:00, 10 January 2026
Acid balance refers to the equilibrium between the different organic acids present in wine, their total concentration, and their interaction with pH, alcohol, sugar and phenolic components. It is a key determinant of freshness, structure, stability and overall harmony, influencing both sensory perception and ageing potential.[1]
Components of acid balance
The principal acids contributing to acid balance are tartaric and malic acids, with smaller contributions from lactic, citric and succinic acids. Their proportions affect perceived sharpness, softness and length on the palate.[2]
Acid balance is not determined by total acidity alone but by the relationship between acidity and pH, which governs microbial stability, colour expression and oxidative behaviour.[3]
Sensory perception
Balanced acidity provides freshness and tension without excessive sharpness. Wines lacking acid balance may appear flabby, dull or heavy, while excessive acidity can result in aggressive or angular sensations.[4]
Acid balance interacts closely with alcohol, residual sugar and phenolic structure, shaping the overall impression of harmony and drinkability.[5]
Viticultural influences
Grape acid balance is influenced by variety, climate, site, canopy management and harvest timing. Cooler conditions favour acid retention, while warm climates accelerate acid respiration, challenging balance at ripeness.[6][7]
Earlier harvesting, altitude, and site selection are commonly used to preserve acid balance in warm regions.[8]
Winemaking adjustment
Winemakers may modify acid balance through acidification, deacidification or malolactic fermentation, depending on legal frameworks and stylistic goals.[9]
Such adjustments aim to achieve sensory harmony and stability rather than targeting analytical values alone.[10]
Climate change considerations
Global warming has shifted acid balance norms in many regions, leading to higher pH wines and renewed focus on acidity management as a stylistic and quality issue.[11][12]
Institutional guidance
International and research institutions provide guidance on acid balance to support wine quality and consistency across climates and styles.[13][14][15][16]
See also
References
- ↑ Robinson (ed.), The Oxford Companion to Wine, Oxford University Press, 2015, ISBN 9780198705383.
- ↑ Ribéreau-Gayon et al., Handbook of Enology, Volume 1, Wiley, 2006, ISBN 9780470010372.
- ↑ Waterhouse, Sacks & Jeffery, Understanding Wine Chemistry, Wiley, 2016, ISBN 9781118627808.
- ↑ Peynaud, Knowing and Making Wine, Wiley, 1984, ISBN 9780471881491.
- ↑ Stevenson, The Sotheby’s Wine Encyclopedia, DK, 2011, ISBN 9780756686840.
- ↑ Keller, The Science of Grapevines, Academic Press, 2015, ISBN 9780124199873.
- ↑ Jackson, Wine Science: Principles and Applications, Academic Press, 2020, ISBN 9780128161180.
- ↑ Jones et al., Climate Change and Global Wine Quality, Wiley, 2012, ISBN 9781118450048.
- ↑ Boulton et al., Principles and Practices of Winemaking, Springer, 1999, ISBN 9780834217011.
- ↑ Ribéreau-Gayon et al., Handbook of Enology, Volume 2, Wiley, 2006, ISBN 9780470010396.
- ↑ Jones et al., Climate Change and Global Wine Quality, Wiley, 2012, ISBN 9781118450048.
- ↑ Anderson & Pinilla, Wine Globalization, Cambridge University Press, 2018, ISBN 9781108445687.
- ↑ OIV, “Acidity and balance in wine”, https://www.oiv.int
- ↑ UC Davis, “Managing wine acidity”, https://wineserver.ucdavis.edu
- ↑ AWRI, “Acid balance and wine style”, https://www.awri.com.au
- ↑ FAO, “Grape composition and acids”, https://www.fao.org