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.
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.
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.
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