Extraction, Isolation, Identification Of Herbal Drugs

Question 1

Process of isolation of soluble material from an insoluble residue

Answer 1

Extraction

Question 2

Unit of operation involves the transfer of mass of soluble material from a solid to a liquid

Answer 2

Mass transfer

Question 3

Generally modified for more efficient and faster extraction at the laboratory scale

Answer 3

Extraction method

Question 4

Process involves the operation of medically active portions of crude drugs

Answer 4

Maceration

Question 5

Continuous flow on the solvent through the bed of crude drugs materials to get the extract

Answer 5

Percolation

Question 6

Modified especially when the solvent a dilute alcohol

Answer 6

Modified percolation

Question 7

Process of continuous extraction in which the same solvent can be circulated through the extractor for several times

Answer 7

Soxhlet Extraction

Question 8

Meant for extra large batches.
Generally in attachment with the body of soxhlet extractor are absorbed

Answer 8

Large scale extraction

Question 9

Comparatively recent method of extraction of crude drugs.

Answer 9

Supercritical fluid extraction