✦ LIBER ✦

Measurement and Prediction of the Rate of Loss of Sulphur Dioxide from Beer

✍ Scribed by Ilett, David R; Burke, Shaun; Simpson, William J

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 273 KB
Volume: 70
Category: Article
ISSN: 0022-5142
DOI: 10.1002/(sici)1097-0010(199603)70:3<337::aid-jsfa493>3.0.co;2-0

No coin nor oath required. For personal study only.

✦ Synopsis

The total sulphur dioxide (SO,) concentration of beers decreases during storage, essentially following first-order kinetics. Beers differ in the rate at which they lose SO,. Half-lives for total SO, loss in 22 commercial beers stored at 25°C ranged from 37.7 days to more than 1000 days. The rate of loss could be predicted from beer compositional data using partial least squares (PLS) regression modelling. Initial concentrations of total SO,, sugars and ions were important factors in the models.

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