Table 1.

Analysis of variance (ANOVA) for Response Surface Quadratic Model for alcohol

Source	Sum of square	df	Mean square	F value	p value prob > F
Block	86.85	2	43.42
Model	30.23	20	1.51	351.24	< 0.0001	Significant
A-NH4H2PO4	0.40	1	0.40	93.43	< 0.0001
B-KH2PO4	0.013	1	0.013	2.93	0.0973
C-MgSO4	1.70	1	1.70	395.45	< 0.0001
D-Isoleucine	6.65	1	6.65	1545.57	< 0.0001
E-Thiamine	3.89	1	3.89	903.57	< 0.0001
AB	0.58	1	0.58	134.91	< 0.0001
AC	0.33	1	0.33	76.71	< 0.0001
AD	0.27	1	0.27	62.35	< 0.0001
AE	0.26	1	0.26	61.50	< 0.0001
BC	0.016	1	0.016	3.66	0.0653
BD	0.033	1	0.033	7.70	0.0094
BE	0.78	1	0.78	180.84	< 0.0001
CD	1.08	1	1.08	251.95	< 0.0001
CE	0.94	1	0.94	217.30	< 0.0001
DE	3.91	1	3.91	909.39	< 0.0001
A2	0.25	1	0.25	57.32	< 0.0001
B2	1.12	1	1.12	260.54	< 0.0001
C2	1.38	1	1.38	320.38	< 0.0001
D2	2.84	1	2.84	660.52	< 0.0001
E2	2.49	1	2.49	578.52	< 0.0001
Residual	0.13	30	4.303E−003
Lack of fit	0.027	22	1.212E−003	0.095	1.0000	Not significant
Pure error	0.10	8	0.013
Cor total	117.20	52