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Tannins – What are they and what do they do?

Tannins are one of the more important wine compounds, directly impacting its structure, character and development. But what are they and what exactly do they do?

Tannins are found in grape skins, seeds and stems, as well as wood vessels such as barrels. They create a mouth-coating sensation, influence wine colour and contribute to ageing potential.

The amount and type of tannins vary based on grape variety, growing conditions and winemaking choices.

Tannins can be described by their texture and maturity, and certain grapes like Cabernet Sauvignon and Nebbiolo are naturally higher in tannins. Besides wine, they are also found in tea, coffee and dark chocolate.



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