NPR

GMO Yeast Mimics Flavors Of Hops, But Will Craft Brewers Bite?

Some beer-brewing scientists have developed a genetically modified yeast that produces the same hoppy aromas and flavors beer drinkers like, without the hops. But some craft brewers are skeptical.
Some beer makers are excited about the possibility of using modified yeast to flavor beer instead of hops, which require a lot of water to grow.

Brewing beer, it is often said, is both an art and a science. New research, however, has some in the beer industry concerned that the science of brewing could be advancing too far.

A team of beer-brewing chemists and geneticists in California has created a genetically modified yeast that produces hoppy aromas and flavors without any interaction with the fragrant blossoms themselves. In other words, they've developed a way to make beer hoppy without using hops.

Brewer feels the , which was published March 20 in the journal , opens doors that he would just

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