Over several decades in several eastern European countries, large yellow barrels have become a common sight on street corners.

几十年来，在东欧的几个国家，大型黄色barrels已经成为街角常见的景象。

In summer, people can be seen queueing up alongside these barrels for a cup of something that looks like porter, or to fill up large bottles and even buckets of the stuff to take home. The queues are for a 1,000-year-old drink called kvass, and entrepreneurs believe it could be the UK's next trendy drink amid the rising popularity of fermented foods.

夏天，可以看到人们在这些barrels旁边排队，喝一杯看起来像波特啤酒的东西， 或者装满大瓶甚至桶装的东西带回家。 人们排队等候的是一种有1000年历史的饮料，叫做格瓦斯。 随着发酵食品越来越受欢迎，企业家们相信它可能成为英国的下一个流行饮品。

Kvass is a non-alcoholic drink made from old rye bread. The bread is soaked in water and fermented with a small amount of sugar to create a rich, malty drink with a sweet-sour flavour. So widespread is this "liquid bread" in eastern Europe and the Baltic that older generations often recall drinking more kvass than water in their youth.

格瓦斯是一种由黑麦面包制成的非酒精饮料。 将面包浸泡在水中，加入少量糖进行发酵，制成一种富含麦芽香味、味道酸甜的浓郁饮料。 这种“液体面包”在东欧和波罗的海地区非常普遍， 老一辈人常常回忆说，他们年轻时喝格瓦斯比喝水还多。

Anton Puzorjov is the founder of Edinburgh-based Quas Drinks, the first company to manufacture and sell kvass in the UK. A 32-year-old scientist with a PhD in biological science, Puzorjov came up with the idea to bring kvass to the UK when stranded in his native Estonia during the coronavirus pandemic.

安东·普佐尔约夫是爱丁堡Quas Drinks公司的创始人，这是英国第一家制造和销售格瓦斯的公司。 普佐尔约夫32岁，拥有生物科学博士学位， 是一位科学家。在新冠疫情期间，他滞留在祖国爱沙尼亚时，萌生了将格瓦斯带到英国的想法。

A teetotaller since 2014, he realised the drink he had known since childhood could offer a solution to the limited range of options he often encountered in the pub with fellow students in Edinburgh. "It's only after I started experimenting and understanding the science behind kvass that I realised this product has so much potential in terms of health benefits," he says. He points in particular to the benefits of live bacteria in the drink for gut health as well as its high fibre content. Since launching in 2021, Puzorjov says sales of his kvass drinks have doubled, and has picked up two Great Taste awards along the way. He thinks the moment is ripe for drinks like kvass which offer health-conscious consumers alternatives to alcohol and highly-processed foods. "People now want something that is not just enjoyable and tasty, but also delivers them other value," he says. "Fermented foods are the exact opposite of ultra-processed foods."

自2014年以来一直戒酒的他意识到， 这种他从小就熟悉的饮料，可以为他在爱丁堡与同学在酒吧经常遇到的选择有限的问题提供一个解决方案。 他说：“直到我开始尝试并理解格瓦斯背后的科学原理后，我才意识到这种产品在健康益处方面有如此大的潜力。” 他特别指出，饮料中的活菌对肠道健康有益，而且其纤维含量高。 普佐尔约夫表示，自2021年推出以来，他的格瓦斯饮料的销量已经翻了一番，并在此过程中获得了两个“美食大奖”。 他认为，对于像格瓦斯这样为注重健康的消费者提供酒精和高度加工食品替代品的饮料来说，时机已经成熟。 他说：“人们现在想要的不只是好吃好喝，还要能给他们带来其他价值。 发酵食品与超加工食品完全相反。”

Puzorjov hopes to take Quas nationwide this year, rolling out his drinks in more shops as well as in pubs and cafés. Since introducing a shelf-stable version of his kvass in recent weeks, he says he's doubled the number of stockists wanting to sell his drink. And yet it's still the image of the yellow barrels on street corners back home that remains his guiding principle.

普佐尔约夫希望今年能将Quas推向全国，在更多商店以及酒吧和咖啡馆推出他的饮料。 他说，自最近几周推出可常温保存的格瓦斯版本以来，想要销售他这款饮料的经销商数量增加了一倍。 然而，他家乡街角那些黄色 barrels 的形象仍然是他的指导原则。

"I've had so many comments from people saying this tastes exactly like what their grandma made, or what they would drink in a glass on the street 40 years ago," he says. "This is what keeps me going."

他说：“很多人评论说，这味道和他们祖母做的一模一样， 或者和40年前他们在街上用玻璃杯喝到的一模一样。 这就是我前进的动力。”

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