Fig. 2. Changes in (A) pH values and (B) titratable acidity (TA) of the four kimchi groups stored at 4°C for 70 days: i) commercial kimchi (CK), ii) commercial kimchi supplemented with kimchi LAB starter without non-thermal treatment (CK-S), iii) microbial inactivated kimchi without kimchi LAB starter (DK), and iv) microbial inactivated kimchi supplemented with kimchi LAB starter (DK-S).