Table 2 pH, reducing sugar, soluble solid contents, and specific gravity of rice beer and nurungji beer during fermentation and storage

	Days	Control	R20	R40	R60	N20	N40	N60
pH	0	5.69±0.031)^Ae2)	5.80±0.02^Ac	5.88±0.02^Ab	5.94±0.02^Aa	5.70±0.02^Ae	5.73±0.02^Ade	5.77±0.05^Acd
	5	4.38±0.15^Ba	4.13±0.11^Bb	3.88±0.01^Bc	3.64±0.04^Bd	4.18±0.13^Bb	4.04±0.03^Bb	3.83±0.05^Bc
	10	4.41±0.13^Ba	4.11±0.10^Bbc	3.86±0.05^Bd	3.64±0.04^Be	4.20±0.11^Bb	4.03±0.04^Bc	3.82±0.04^Bd
	15	4.37±0.10^Ba	4.12±0.09^Bbc	3.86±0.06^Bd	3.64±0.04^Be	4.17±0.08^Bb	4.01±0.02^Bc	3.77±0.10^Bde
	20	4.40±0.13^Ba	4.12±0.09^Bb	3.91±0.09^Bcd	3.64±0.04^Be	4.22±0.14^Bb	4.05±0.09^Bbc	3.82±0.05^Bd
Reducing sugar (g/100 mL)	0	8.88±0.54^Ab	8.58±0.37^Ab	8.61±0.28^Ab	8.74±0.12^Ab	8.99±0.39^Aab	9.16±0.25^Aab	9.57±0.39^Aa
	5	1.63±0.30^Bc	2.37±0.48^Bb	2.54±0.14^Bb	3.74±0.46^Ba	2.08±0.36^Bbc	2.37±0.17^Bb	3.43±0.46^Ba
	10	1.60±0.27^Bc	2.01±0.19^Bc	2.01±0.17^Cc	3.41±0.42^BCa	1.73±0.27^Bc	2.06±0.06^Cc	2.74±0.39^Cb
	15	1.63±0.22^Bc	1.91±0.19^Bc	1.86±0.20^Cc	3.24±0.29^BCa	1.66±0.19^Bc	1.93±0.08^Cc	2.54±0.30^Cb
	20	1.63±0.24^Bc	1.86±0.13^Bc	1.94±0.09^Cc	3.12±0.16^Ca	1.73±0.11^Bc	1.84±0.09^Cc	2.56±0.29^Cb
Soluble solid content (°Brix)	0	13.40±0.53^Ac	13.72±0.25^Ac	13.84±0.22^Abc	14.00±0.46^Abc	14.00±0.61^Abc	14.70±0.61^Aab	15.54±0.58^Aa
	5	6.92±0.57^Bc	7.53±0.06^Bbc	7.79±0.12^Bb	8.38±0.14^Ba	7.24±0.51^Bbc	7.78±0.52^Bb	8.60±0.17^Ba
	10	6.92±0.59^Bc	7.43±0.05^Bbc	7.60±0.20^BCb	8.44±0.12^Ba	7.19±0.47^Bbc	7.63±0.31^Bb	8.58±0.16^Ba
	15	6.98±0.60^Bb	7.31±0.12^Bb	7.51±0.19^BCb	8.27±0.27^Ba	7.17±0.45^Bb	7.53±0.31^Bb	8.43±0.29^Ba
	20	6.83±0.47^Bb	7.31±0.27^Bb	7.43±0.15^Cb	8.26±0.26^Ba	7.11±0.46^Bb	7.40±0.30^Bb	8.29±0.25^Ba
Specific gravity
	0	1.052±0.002^Ab	1.052±0.002^Ab	1.052±0.002^Ab	1.052±0.002^Ab	1.054±0.001^Aab	1.057±0.001^Aa	1.057±0.001^Aa
	5	1.012±0.001^Bd	1.014±0.003^Bcd	1.016±0.002^Bbc	1.022±0.001^Ba	1.013±0.002^Bcd	1.017±0.001^Bbc	1.018±0.002^Bb
	10	1.012±0.001^Bc	1.013±0.002^Bc	1.016±0.001^Bb	1.022±0.002^Ba	1.013±0.002^Bc	1.016±0.001^Bb	1.018±0.002^Bb
	15	1.012±0.001^Bcd	1.011±0.003^Bd	1.015±0.002^Bbc	1.021±0.002^Ba	1.013±0.002^Bcd	1.014±0.002^Bbcd	1.017±0.002^Bb
	20	1.012±0.001^Bd	1.012±0.002^Bd	1.015±0.002^Bbc	1.021±0.002^Ba	1.013±0.002^Bcd	1.015±0.002^Bcd	1.018±0.002^Bb

¹⁾Values are mean±standard deviation (n=3).
²⁾Values with different superscripts a column (A-C) and a row (a-e) are significant at p<0.05 by Duncan’s multiple range test.