Scientific Reports

Table 2 The results of the statistical analysis of the response level for the extract extracted by the combined ultrasonic-cold plasma method.

From: Advanced extraction of Glycyrrhiza glabra root extract using a combined ultrasonic and cold plasma reactor

	Df	Characteristic
		Yield of extract			Total phenol content			Total flavonoid content			IC50
		^*MS	F-value	P-value	MS	F-value	P-value	MS	F-value	P-value	MS	F-value	P-value
Model	9	0.0407	96.29	< 0.0001	8.4095	699.35	< 0.0001	48.7206	190.62	< 0.0001	0.0065	51.7	0.0002
A-Ar/air ratio	1	0.2716	643.02	< 0.0001	1.3253	110.21	0.0001	17.1782	67.21	0.0004	0.0083	65.51	0.0005
B-ul power	1	0.0051	11.99	0.018	0.0353^ns	2.94	0.1471	161.8946	633.4	< 0.0001	0.0002^ns	1.21	0.3207
C-Time	1	0.0399	94.52	0.0002	58.3849	4855.43	< 0.0001	196.3837	768.34	< 0.0001	0.0297	234.62	< 0.0001
AB	1	0.0065	15.38	0.0112	3.1289	260.2	< 0.0001	15.2277	59.58	0.0006	0.0017	13.18	0.0151
AC	1	0.0000^ns	0.0134	0.9124	0.0063^ns	0.5261	0.5008	0.4761^ns	1.86	0.2305	0.0022	17.77	0.0084
BC	1	0.0040	9.4	0.0279	0.0638	5.31	0.0695	27.9786	109.47	0.0001	0.0038	30.23	0.0027
A^2	1	0.0243	57.53	0.0006	0.3149	26.19	0.0037	0.2331^ns	0.9122	0.3834	0.0011	8.61	0.0325
B^2	1	0.0012^ns	2.92	0.148	12.2767	1020.96	< 0.0001	15.2898	59.82	0.0006	0.0051	40.11	0.0014
C^2	1	0.0174	41.17	0.0014	0.1035	8.61	0.0325	2.8252	11.05	0.0209	0.0084	66.34	0.0005
Residual	5	0.0004			0.0120			0.2556			0.0001
Lack of Fit	3	0.0006^ns	6.17	0.1427	0.0126^ns	1.12	0.5032	0.3872^ns	6.65	0.1334	0.0002^ns	5.12	0.1677
Pure Error	2	0.0001			0.0112			0.0582			0.0000
Cor Total	14
R² (Model)		0.994			0.999			0.997			0.989
Adj-R² (Model)		0.984			0.998			0.992			0.970

MS mean of square, ns non-significant, A Ar/air ratio, B ultrasonic power, C extraction time.

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