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| Color and acid reversion control of first grade refined soybean oil |
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| KeyWord:soybean oil color and acid reversion refining adsorbent deodorization internal standard |
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| Abstract: |
| ：The qualified first grade refined soybean oil coming from refinery plant is translated into the finished oil tanks in the filling plant or the tank farm, and the color and acid reversion will be shown in the oils during storage for 1-2 d. To better control the color and acid reversion of soybean oil,the reasons for the color and acid reversion of soybean oil from the quality of raw materials, storage conditions, oil production process, and refining process were analyzed,and provided control measures in terms of equipment configuration and adjustment of process operation parameters.In order to achieve the enterprise internal packaging oil control standards with the acid value less than or equal to 0.08 mgKOH/g and the color less than or equal to Y10/R1.3, the oil from refinery plant should be controlled in the color less than or equal to Y7/R0.7 and acid value less than or equal to 0.05 mgKOH/g to basically meet the requirement of consumer. |
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