Table 8.

Statistical significance for pH, conductivity, temperature difference, power, DLS, PI, ELS, L*, a*, b*, TPC, FRAP, DPPH and yield of extraction. The MANOVA table decomposes the variability of each parameter into contributions due to various factors for OLs treated with nitrogen.

Source		Main Effects			Interactions
		A: Treatment Time	B: Voltage	C: Ethanol Content	AB	AC	BC
p value	pH	0.1610	0.1516	0.0255	0.1209	0.2870	0.2384
	Conductivity	0.3678	0.7244	0.0128	0.4040	0.8518	0.9879
	Temperature Difference	0.1782	0.1677	0.0829	0.1081	0.2583	0.1489
	Power	0.5736	0.0046	0.4091	0.1835	0.1957	0.1552
	DLS	0.4132	0.3820	0.0277	0.3044	0.1810	0.0969
	PI	0.2785	0.4608	0.2353	0.7913	0.3141	0.5596
	ELS	0.2004	0.3594	0.0295	0.2676	0.1189	0.4675
	L*	0.6960	0.4382	0.2718	0.9382	0.6644	0.4497
	a*	0.4285	0.4968	0.0706	0.9572	0.5046	0.4027
	b*	0.4367	0.5694	0.2359	0.9952	0.4904	0.5976
	TPC	0.7034	0.8342	0.0652	0.7084	0.5300	0.5030
	FRAP	0.5573	0.2974	0.3888	0.6255	0.3050	0.6206
	DPPH	0.1798	0.8050	0.1974	0.1946	0.6913	0.4720
	Extraction Yield	0.7026	0.8341	0.0650	0.7089	0.5312	0.5062

Where A determines treatment time, B stands for voltage and C stands for ethanol content. The p-values present the statistical significance of each of the factors.