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Why some red wines taste dry as compared to others

Last updated on - May 10, 2019, 10:00 IST
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1/7

Why some of the red wine taste dry?

If you are a red wine lover, you can easily understand the difference between dry wine and fruitier wine. Have you ever wondered why some of them taste dry and some don't? A recent study has found that tannin structure, concentration, and interactions with saliva defines whether the wine is dry or not. Scroll to know more about tannin and the study.

2/7

What is tannin?

Tannin refers to a naturally occurring polyphenol found in plants, seeds, bark, wood, leaves, and fruit skins.
3/7

What do experts say?

The wine experts and scientists have linked the ‘dryness’ sensation in wine to tannins. With this study, they were able to define how these compounds create dryness that is also known as astringency.
4/7

What is astringency?

It refers to a puckering or rough feeling in the mouth upon drinking wine. Scientists know that wine drinkers perceive astringency when tannins and salivary proteins interact, aggregate and precipitate, which makes the mouth less lubricated.
5/7

The research

In order to understand the reason behind the dryness, a team of researchers extracted the tannins from a dry wine called Cabernet Sauvignon, and a less-dry red wine called Cabernet Sauvignon or Pinot Noir.
6/7

The findings

The study found that the Cabernet Sauvignon contained more and highly pigmented tannins than the Pinot Noir and these tannins formed more protein aggregates in saliva that leads to dryness.
7/7

Verdict

This research has proved that the dryness of red wine is totally dependent on the tannin structure, concentration, and interactions with saliva. So, next time when you go out for a wine and cheese evening, you will know why your red wine is dry rather than being fruitier.

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