Table 4 Changes of coliform bacteria counts in nabak kimchi added with aronia powder during fermentation (log CFU/mL)

Day	0	7	14	21	28
KC	2.03±0.051)A2)	ND4)	ND	ND	ND
KA-0.5	1.82±0.11B	ND	ND	ND	ND
KA-1.0	2.1±0.07aA	1.40±0.17bC	ND	ND	ND
KA-1.5	1.62±0.15NS3)/B	1.72±0.22B	1.46±0.15B	ND	ND
KA-2.0	1.81±0.13cB	2.60±0.06aA	1.96±0.10bA	ND	ND

Values are mean±standard deviation (n=3).
Values with different superscripts in a row (a-c) and a column (A-B) are significant at p<0.05 by Duncan's multiple range test.
NS means no significant difference p<0.05.
ND: Not detected.