Aroxa™ trans-2-nonenal (Cara Technologies)

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Aroxa™ trans-2-nonenal
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“Papery, like cardboard or oxidized beer”

Certified beer flavor standard used to train professional beer tasters to recognize and scale the intensity of papery character. trans-2-Nonenal is an off-flavor associated with beer aging. It is one of several compounds formed as a result of oxidation reactions which occur in the malting and brewing processes.