Influence of heat treatment and storage on the browning index (BI) of clarified
(A) and cloudy (B) pomegranate juices. Symbols include pasteurization at 65 C for 30 s
followed by storage at 25 C (-) and 5 C (), and pasteurization at 90 C for 5 s
followed by storage at 25 C (:) and 5 C (;).