Discussion
Match the edible oil refining stages given in Column I with their respective functions in Column II
| Column I | Column II |
|---|---|
| P. Degumming | 1. Separation of waxes |
| Q. Neutralization | 2. Removal of pigments |
| R. Bleaching | 3. Removal of phosphatides |
| S. Winterization | 4. Removal of free fatty acids |
Answer: C
The match is P-3, Q-4, R-2, S-1.
- Degumming removes phosphatides (gums) by hydration with water or acid.
- Neutralization (alkali refining) converts free fatty acids into soaps that are separated.
- Bleaching with adsorbent earths removes pigments such as chlorophyll and carotenoids.
- Winterization chills the oil to crystallize and filter off waxes and high-melting glycerides.
The other options misplace neutralization or bleaching, for example making neutralization remove pigments.
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