After this process, the sterilized pineapple juice is cooled to 50 °C (122 °F).[1] Pasteurizing pineapple juice stops the enzymes that cause browning.[2][3] The pasteurized pineapple juice is put in iron drums lined with aseptic aluminum-plastic composite bags.[7] After cooling, the pineapple juice is put into bottles or cans using a filling machine.[1][8]