Abstract
Abstract A new laser-based video device which offers a non-invasive approach to the measurement of foam collapse in beers under a variety of dispense conditions has been tested. The device proved capable of accurately following beer foam collapse and has application within the industry to address issues of foam quality and quality control. Differences in foam stability were observed between beer foams derived from both carbonated and nitrogenated beers. Foam collapse profiles proved highly reproducible under consistent dispense conditions. For nitrogenated beer foams the device was sensitive to very small foam volume changes. Temperature was shown to influence the foam collapse parameter.
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