Microchannels Effective Method for the Extraction of Oleuropein Compared with Conventional Methods

Table 2

Experimental design recommended by Design-Expert for ultrasound-assisted extraction.

Std order	Run order	= frequency	= temperature	= power of ultrasound	Yield%
19	1	50	50	70	68.86
18	2	50	50	70	63.31
4	3	80	75	40	72.92
16	4	50	50	70	63.43
6	5	80	25	100	80.63
1	6	20	25	40	40.25
11	7	50	25	70	73.23
17	8	50	50	70	66.71
10	9	80	50	70	64.65
3	10	20	75	40	55.14
15	11	50	50	70	65.51
13	12	50	50	40	54.23
9	13	20	50	70	60.85
8	14	80	75	100	78.79
12	15	50	75	70	74.53
14	16	50	50	100	77.89
20	17	50	50	70	68.56
5	18	20	25	100	79.82
2	19	80	25	40	51.86
7	20	20	75	100	66.49