Allied & ICAR Exam Bank • ALLIED_1274 MCQ • 1 Mark

Section 6: Agricultural Process Engineering

Oilseed Processing

Subtopic: Solvent Extraction

Question Statement:

In commercial solvent extraction of residual oil from oilseed expeller cakes, the universally preferred organic solvent is:

Options:

  • (A) Commercial food-grade hexane (boiling point 65 to 69 degrees Celsius)
  • (B) Methanol
  • (C) Chloroform
  • (D) Formaldehyde

Answer Key:

A

Step-by-Step Solution & Explanation

Hexane exhibits high solvency for non-polar triglycerides, a low boiling point facilitating energy-efficient desolventizing and stripping without thermal damage to protein meals.
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