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Research Shows Freezing Beans Can Preserve Aroma


January 31, 2019

Photo by MetroCreative

Enjoy that daily cup of coffee? There’s good news if you keep coffee beans around. Penn State research findings indicate that freezing does help preserve the aroma of certain varieties of beans. So, buy the beans, freeze them and always have delicious coffee available.

Andrew Cotter's day does not begin until he's had his “cup of Joe,” a ritual he takes seriously as one of a growing group of coffee consumers who grind and brew specialty coffee beans at home for a more flavorful and fragrant experience.

One morning, as the scent of freshly brewing coffee enveloped his kitchen, he wondered if storing roasted coffee beans in the freezer – a popular preservation method – was helpful in maintaining their aroma.

As a food science major in Penn State's College of Agricultural Sciences, the 2018 graduate had a unique opportunity to investigate his ponderi...

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