Table 2.

Analysis of variance of the selected volatile components and sensory analysis: significance of model components and assessment of adequacy of the models.

Dependent Parameter	Analysis of Variance
	R2	Lack-of- Fit	x1	x2	x3	x4	Significant Components of the Model
		Probability
acetaldehyde	84	0.6945	0.0241	0.0027	ns	0.0008	0.0389	x3x4
diacetyl	35	0.4778	ns	0.0284	ns	ns	ns
acetone	45	0.8257	ns	ns	ns	ns	ns
2,3-pentanedione	45	0.5567	ns	ns	ns	ns	0.0199	blocks
DMS	76	0.4652	0.0057	0.0045	0.0363	0.0132	0.0115	x1x2
							0.0397	x1x3
							0.0192	x2x4
sensory analysis	71	0.0716	0.0145	0.0010	0.0048	0.0316	0.0014	x12
							0.0294	x1x2
							0.0294	x1x4
							0.0036	x22
							0.0018	x2x3
							0.0058	x32
							0.0164	x42

* ns—not significant.