Molecular Trap To Keep Beer Fresh

Beer stored in bottles and exposed to ultraviolet light gets that undesirable “skunky” smell. Even dark brown bottles, which are considered the best, will still allow some light to penetrate and foul the beer. In a effort to combat this horrible atrocity, scientists from the Technical University of Dortmund have created a polymer that removes the molecules from the beer that cause oxidation. As reported by the BBC News, Molecular trap makes fresher beer: “The process involves chemically designing a riboflavin-shaped cavity into a polymer by moulding it around riboflavin molecules and then removing them.” This technology could eventually be used to remove impurities from other beverages and food such as unwanted flavors and pesticides.

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