For pasteurization, 100 g of Nam Prig Nhum were packed in a retort pouch and immersed in boiling water until the inside temperature reached 9075 1C and hold for 3 min; for sterilization,
the pouch was transferred to a spray retort (FMC FoodTech, Alfa Laval, Fontanil Cornillon, France) and heated to 121 1C for 4 min (F0¼4).