The more froth on your pint, the tastier the beer, boffins have found.
The foamy head on a beer has long been associated with the perfect pour.
But now it has a direct link to how well your bev goes down.
Too little foam causes the CO2 to erupt in your stomach – causing the infamous beer belly.
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Anistatia Renard Miller, from University of Bristol, led the research.
She said if there’s little or no foam the CO2 traps itself in the booze.
If a punter goes to eat something, the foam erupts in their stomach rather than the glass – causing beer bloat.
And tipping the glass is also a no-go.
Traditionally, beer was allowed to foam up so much as it was being poured that a ‘foam scraper’ was needed to shave the excess off the glass rim.
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Pouring beer into an upright glass causes excess foaming – letting go of trapped CO2 and bringing out flavours.
But bartenders who tip the glass minimise foam leading to a less pleasurable – and more gassy – experience.
READ MORE: ‘My diet of beer, bar snacks and M&Ms was killing me’: Lad who loves the pub sheds THIRD of body weight
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