When it comes to dietary advice, eating more fermented foods such as kefir, kimchi and kombucha can be a tough sell – cue images of gassy concoctions fizzing away in cloudy jars or strange foodstuffs slowly going mouldy at the back of the fridge. Fermentation is an age-old preservation technique by which microorganisms like yeast and bacteria convert carbohydrates, namely starch and sugar, into alcohol or acid.
Seven fermented foods you can find in the supermarket (and one of them is cheese!) telegraph.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from telegraph.co.uk Daily Mail and Mail on Sunday newspapers.