| 摘要 |
A solvent extraction free, caustic refining free, process for producing refined vegetable oils, including soybean oil, cottonseed oil, rapeseed oil, and canola oil, is described in which the vegetable seeds, after cleaning, cracking and dehulling, are heated and mechanically pressed to separate oil. Free fatty acids are then removed from the pressed oil through physical refining, instead of previously employed caustic refining, since the low level of nonhydratable phospholipids does not create undesirable flavors during the physical refining process. The resultant oil exhibits a significantly greater frylife than non-hydrogenated vegetable oil produced by solvent extraction and caustic refining.
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