Scientists have found a way to brew beer without hops, saving water in the process

Scientists have found a way to brew beer without hops, saving water in the process

Scientists have used a gene-editing tool to create brewer’s yeast which imparts the flavour of hops without using the plant itself.

Trimming genes from basil and mint, researchers from UC Berkeley in California engineered yeast strains for brewing beer without the dried plant.

Cutting out hops from the process may seem like a strange exercise, but it could be environmentally friendly, especially as craft beer with hoppier profiles grows in popularity.

To grow enough hops for one pint of beer around 50 pints of water are required.

“My hope is that if we can use the technology to make great beer that is produced with a more sustainable process, people will embrace that,” said Charles Denby, co-author of the study published in journal Nature Communications.

Not only is beer created in this way better for the environment, it also gives a more consistent flavour as it doesn’t rely on changeable seasons to grow a natural product.

In double-blind taste tests, 27 employees of Lagunitas Brewing Company in Petaluma, California, characterised beer made from the engineered strains as more hoppy than a control beer made with regular yeast and Cascade hops.

Bryan Donaldson, innovations manager at Lagunitas, detected notes of “fruit-loops” and “orange blossom” with no off-flavours.

More in this Section

Not enough evidence obsessive gaming is clinically unhealthy, scientists sayNot enough evidence obsessive gaming is clinically unhealthy, scientists say

David Cameron gives his backing to Boris Johnson’s Brexit dealDavid Cameron gives his backing to Boris Johnson’s Brexit deal

Mars lander’s digger is burrowing again after setbackMars lander’s digger is burrowing again after setback

White House: Ukraine aid held up amid Trump push for investigation of DemocratsWhite House: Ukraine aid held up amid Trump push for investigation of Democrats


Lifestyle

Leopard print midi dresses and sequins swirled beneath glossy goddess hair and golden headbands as the great and the good of Cork gathered for ieStyle Live.Leopard print and sequins to the fore at inaugural #IEStyleLive event

You have a long half-term break ahead of you all, and there’s only so much screen time anyone in the family can handle. Everyone is going to need a book-break at some point or another.We reviewed some of the best new books to keep kids entertained over half-term

Sexual politics, snideput-downs and family rivalries are fuelling the trouble brewing in a small Midlands town.Charlie Murphy and Pat Shortt star in new Irish film 'Dark lies the Island'

Robert Hume tells of the eccentric MP for Athboy, Co. Meath – born 300 years ago this month – who thought he was a teapot, and was afraid his spout might break off.A strange brew of a man: The MP for Meath who believed he was a teapot

More From The Irish Examiner