Table 2.
Examples of conventional techniques coupled to US for the extraction of natural materials.
Technique | Matrix | Targeted compound | Device diagram | Combination impact | Ref |
---|---|---|---|---|---|
Ultrasound assisted Soxhlet extraction: Sono-Soxhlet | Olives | Lipids | ![]() |
Improvements in extraction time over conventional Soxhlet technique. | [64] |
Ultrasound assisted hydro-distillationSono-Clevenger | Iberis amara seeds | Volatil aromatic compounds | ![]() |
Higher extraction efficiency compared with traditional techniques | [67] |
Ultrasound assisted enzymatic extraction | Sesame bran | Protein and phenolic compounds | ![]() |
Higher protein yield and higher antioxidant capacity value compared with the combined ultrasound-assisted enzymatic extraction | [71] |