The pH of the model juices varied slightly during storage, between 3.02 and 3.33 or 4.97 and 5.08 for model juices with initial pH 3.4 or 5.0, respectively, but there was no clear trend. Dry matter content as measured by Brix varied between 1.4 and 1.7 or 10.4 and 11.2 for model juices sweetened with steviol glycosides or sucrose, respectively, with no clear trend in storage at 20 C