Overrun of frozen yogurts
Overrun was done to determine the percent of aeration of the
frozen yogurts after freezing in the ice cream machine (Goh, Nair, &
Matia-Merino, 2008). The % overrun was obtained by measuring
the weight (Wt.) of a known volume of yogurt mix and frozen
yogurt (both 70 mL) in a 200 mL beaker. Eq. (2) was used to
calculate overrun: