Which one is NOT the obtaining method for essential oils?
A: Pressing
B: Organic solvent extraction
C: Hydrodistillation
D: Hydrodiffusion
A: Pressing
B: Organic solvent extraction
C: Hydrodistillation
D: Hydrodiffusion
举一反三
- Which of the following methods do not belong to solvent extraction? () A: Simultaneous distillation and extraction; B: Solvent assisted flavor evaporation; C: Solid phase microextraction; D: Direct solvent extraction
- Which<br/>of the following techniques is not commonly used for taste compounds<br/>extraction? () A: Solvent extraction; B: Headspace extraction; C: Ultrafiltration; D: Ultrasonic technique
- For high oil-bearing oilseeds, the cake obtained after oil pressing can be further extracted using solvent method to obtain more oil.
- Which plant essential oil belongs to essential oils of middle note? A: Cinnamon B: Mint C: Sweet orange D: Rose
- Which of the following is not the curing method of adhesive? A: Anaerobic environment B: Loss of solvent C: Pressure on substrate D: Cooling of hot melt