Table 2A. The central composite experimental design matrix showing the predicted and experimental values of exopolysaccharide from Lactobacillus plantarum YO175.

The CCD of the EPS samples.

Run	A	B	C	EPS Yield (g/L)
	Cultivation time (hr)	Sucrose concentration (g)	pH	Experimental (E1)	Predicted
1	45.48	24.00	6.99	1.28	1.22
2	46.80	23.09	6.87	1.29	1.25
3	47.95	21.09	6.51	1.30	1.31
4	46.18	20.34	7.50	1.34	1.32
5	45.74	20.00	6.42	1.35	1.33
6	45.96	19.92	7.44	1.32	1.34
7	45.93	20.34	8.00	1.31	1.30
8	46.65	20.64	7.71	1.33	1.31
9	46.05	19.62	6.94	1.34	1.28
10	48.50	23.00	7.40	1.36	1.38
11	45.89	19.88	6.74	1.32	1.31
12	45.86	16.50	7.97	1.28	1.28
13	45.67	20.11	7.80	1.26	1.31
14	46.18	20.13	7.88	1.30	1.32
15	46.82	20.29	8.01	1.33	1.34
16	46.44	20.85	7.73	1.35	1.33
17	45.94	20.04	7.00	1.30	1.27
18	46.03	19.87	7.98	1.29	1.30
19	45.81	19.71	7.90	1.27	1.31
20	49.14	20.26	6.86	1.31	1.32