Reporting in the Journal of Agricultural and Food Chemistry, Tomás González-Villa and colleagues devised a recipe for improving beer foam. They identified a gene in brewer’s yeast that prolongs beer foam lifespan by making a protein that protects the bubbles. They say they’ve brewed beers with heads that stay frothy for several hours.
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Tomás González-Villa
Tomás González-Villa is a professor at the Department of Microbiology and the School of Biotechnology, and Faculty of Pharmacy at the University of Santiago de Compostela in Spain.
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About Flora Lichtman
Flora Lichtman is a host of Science Friday. In a previous life, she lived on a research ship where apertivi were served on the top deck, hoisted there via pulley by the ship’s chef.