BioMed Research International / 2020 / Article / Fig 4

Research Article

A Study of the Ionic Liquid-Based Ultrasonic-Assisted Extraction of Isoliquiritigenin from Glycyrrhiza uralensis

Figure 4

Extraction condition optimization. The following extraction parameters were utilized: (a) 0.4 g of a dried sample was combined with the [BMIM]Br concentration of 0.3 mol/L, the duration of ultrasonication was 120 min, the temperature was 60°C, and the ultrasonication power was 100 W. (b) 0.4 g of a dried sample was combined with the [BMIM]Br concentration of 0.3 mol/L, the duration of ultrasonication was 120 min, the temperature was 60°C, and the ultrasonication power was 100 W. The solid-1iquid ratio for this extraction was 1 : 15. (c) 0.4 g of a dried sample was combined with the [BMIM]Br concentration of 0.3 mol/L, the duration of ultrasonication was 30-210 min, the temperature was 60°C, the solid-liquid ratio was 1 : 15, and the ultrasonication power was 100 W. The different uppercase letters on the bars represent significant differences (P <0.05) between treatments.
(a)
(b)
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