Question

In percolation, the term menstruum refers to _______

• A. Residual plant material
• B. Extracted active principle
• C. Solvent used for extraction
• D. Final concentrated product

Hint:

In percolation, menstruum is the solvent, marc is the exhausted drug, and percolate is the liquid extract.

Answer 1

The Correct Option is C

Concept:
Percolation is an extraction process used to obtain active constituents from crude drugs.

Step 1: Important terms.
In extraction, the solvent used to extract active constituents is called menstruum.

Step 2: Other terms.
The material left after extraction is called marc.
The liquid extract obtained is called percolate.

Step 3: Final answer.
Thus, menstruum means the solvent used for extraction. \[ \boxed{\text{Solvent used for extraction}} \]