Table 3. Comparison of viable cell numbers, β-glucosidase activities, and ammonia contents of ‘Cheonggukjang’ produced by 18 Bacillus species

Samples isolates	Viable cell numbers(log CFU/mL)	β-Glucosidase activity(unit/g)	Ammonia content(mg/g)
‘Doenjang’
B. cytotoxicus MGD01	9.49±0.47¹⁾^a²⁾	18.24±0.91^c	208.43±10.42^b
B. amyloliquefaciens MGD02	13.13±0.66^a	23.28±1.16^a	77.52±3.88^g
B. licheniformis MGD03	10.29±0.51^b	19.31±0.97^c	206.86±10.34^b
B. licheniformis MGD04	11.71±0.59^b	23.65±1.18^a	136.91±6.85^c
B. licheniformis MGD05	11.31±0.57^b	24.08±1.20^a	114.10±5.71^e
B. subtilis MGD06	10.95±0.55^b	20.11±1.01^c	110.10±5.51^e
B. subtilis MGD07	11.35±0.57^b	22.98±1.15^b	101.67±5.08^e
Bacillus sp. MGD08	11.18±0.56^b	22.87±1.14^b	140.08±7.00^c
Bacillus sp. MGD09	11.47±0.57^b	22.06±1.10^b	106.72±5.34^e
B. subtilis MGD10	11.85±0.59^b	21.99±1.10^b	112.77±5.64^e
‘Kanjang’
Bacillus sp. MGK01	12.23±0.61^b	23.84±1.19^a	103.08±5.15^e
B. subtilis MGK02	11.80±0.59^b	22.66±1.13^b	87.91±4.40^f
B. amyloliquefaciens MGK03	11.20±0.56^b	22.72±1.14^b	122.21±6.11^d
B. subtilis MGK04	12.03±0.60^b	24.35±1.22^a	121.64±6.08^d
B. subtilis MGK05	11.79±0.59^b	23.47±1.17^a	273.63±13.68^a
Bacillus sp. L010 MGK06	12.49±0.62^b	22.45±1.12^b	97.69±4.88^f
B. subtilis MGK07	12.05±0.60^b	21.39±1.07^b	103.45±5.17^e
B. safensis MGK08	11.63±0.58^b	19.22±0.96^c	130.64±6.53^c

All values are presented as the mean±SD of triplicate determination.
All values within a column with different superscript letters (^a-g) are significantly different from each other at p<0.05 by Duncan’s multiple range test.