Discussion
Consider the following statements about seed preparation:
1. Flaking ruptures the oil-bearing cells.
2. Cooking thins the oil and sets the moisture for pressing.
3. Dehulling lowers the oil content of the material fed to the press.
Which of the statements given above is or are correct?
Answer: B
Correct answer: 1 and 2 only
The first two are correct. Flaking ruptures the oil-bearing cells and shortens the diffusion path; cooking thins the oil, coagulates protein and sets the moisture for pressing.
The third reverses dehulling's effect. Hulls carry almost no oil, so removing them raises the oil content of what goes forward - the feed is richer and the plant handles more oil for the same throughput. It also reduces the oil absorbed by hulls during processing, so both yield and capacity improve.
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