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| Deep fractionation of cottonseed oil |
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| DOI： |
| KeyWord:cottonseed oil dewaxing defatting deep fractionation |
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| Abstract: |
| Due to the below zero temperature in Xinjiang and the cottonseed oil containing 700 mg/kg of waxes and 26%-28% of solid fats, the solidfication,precipitation and haziness will happen in the cottonseed oil during transportation, storage and sales, which affects the appearance, consumption and marketing of cottonseed oil. In order to keep the packaged cottonseed oil transparent and improve the quality and added value of the cottonseed oil, deep fractionation of cottonseed oil was carried to remove the wax and soild fat. The cottonseed oil deep fractionation process was introduced, i.e. removing wax at 15 ℃, fractionating palmitic acid triglycerides at 7 ℃, fractionating palmitic acid diglycerides, palmitic acid monoglycerides and other stearin at -10 ℃, and finally cottonseed olein remaining transparent at low temperatures could be obtained. |
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