BAS isolation

Which extraction method is the simplest and oldest?

• supercritical fluid extraction

• maceration

• microwave-assisted extraction

• Soxhlet-extraction

Extraction is the method based on ...

• the distillation of a substance

• the ability of a substance to be easily oxidized

• the distribution of a substance between two immiscible phases

Which extraction method carbon dioxide as a solvent?

• supercritical fluid extraction

• ultrasonic extraction

• maceration

• microwave-assisted extraction

Which extraction method is not suitable for substances that are quickly destroyed when heated?

• maceration

• microwave-assisted extraction

• Soxhlet-extraction

• ultrasonic extraction

What are the disadvantages of maceration?

• long process

• expensive

• low efficiency

• difficult to do

What are the disadvantages of supercritical fluid extraction?

• low efficiency

• Expensive equipment

• CO2 is a non-polar solvent, which limits its use

• toxic solvents are used

Extraction method most suitable for extracting fats

• microwave-assisted extraction

• supercritical fluid extraction

• maceration

• Soxhlet-extraction

Supercritical fluid extraction is more suitable for ...

• minerals

• organic acids

• non-polar molecules