Determining the Effects of High Intensity Ultrasound on the Reduction of Microbes in Milk and Orange Juice Using Response Surface Methodology

Table 3

Analysis of variance for the response surface quadratic model for log reductions of microbes.

	Bacteria in milk		Spores in milk		Yeast in orange juice
	-value	Prob. >	-value	Prob. >	-value	Prob. >
Model	12.39	0.0001	15.83	0.0001	579.01	0.0001
Linear	30.66	0.0001	39.41	0.0001	1438.5	0.0001
Quadratic	5.75	0.0113	4.23	0.0295	262.92	0.0001
Cross product	1.61	0.5237	3.87	0.0379	35.61	0.0001
Lack-of-fit	12.40	0.1048	206.64	0.0901	15.92	0.1021