Prepared samples were stored in an incubator under a controlled temperature (25 C). During the application test, a digital pH meter monitored the pH of the pork samples, which were in contact with the pH indicator films.
Prepared samples werestored in an incubator under a controlled temperature (25 C). Duringthe application test, a digital pH meter monitored the pH of thepork samples, which were in contact with the pH indicator films.