High FFA oils that have proven to work well by this physical refining process are wet-milled corn oil, corn oil from syrup in the ethanol process, rice bran oil, wheat germ oil, oil from spent barley, olive oil, avocado oil, and others. Quality
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The quality of crude edible oil and its pretreatment quality are the preconditions of physical refining of edible oil. Non-hydrophilic phospholipids in crude edible oil are mostly carriers of metal ions such as calcium, magnesium and iron, which
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