Cicerone Certified Beer Server Test 2025 – 400 Free Practice Questions to Pass the Exam

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What role does brown glass play in beer storage?

It enhances flavor.

It blocks harmful UV light.

Brown glass plays a crucial role in beer storage primarily because it blocks harmful UV light. Exposure to ultraviolet light can lead to a chemical reaction in beer, particularly in hops, resulting in a skunky aroma often referred to as "light-struck" beer. This reaction can happen quickly, particularly with lighter-colored beers stored in clear or green bottles. Brown glass effectively absorbs the ultraviolet light, protecting the beer from these detrimental effects and helping preserve its intended flavor profile and aroma.

While the other options touch on various aspects of beer quality, they do not highlight the protective function that brown glass provides against UV light, which is essential in maintaining the integrity of the beer.

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It reduces carbonation loss.

It improves clarity.

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