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| Optimization of traditional method for determination of non-hydrated phosphorus content in crude soybean oil |
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| DOI：10.12166/j.zgyz.1003-7969/2020.02.027 |
| KeyWord:non-hydrated phospholipids determination ultrasound |
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| Abstract: |
| The traditional method for determination of non-hydrated phosphorus content in crude soybean oil was optimized. Also the crude soybean oil was pretreated using ultrasound method instead of traditional water bath heating method, and the optimal conditions were determined. Also the results of the two methods were compared to determine the feasibility of the experiment. The results showed that the optimal conditions for determination of non-hydrated phosphorus content by ultrasound method were obtained as follows: ultrasonic temperature 85 ℃, ultrasonic time 2 h and ultrasonic power 300 W. The relative deviation of non-hydrated phosphorus content in the same crude soybean oil sample measured by ultrasound method and traditional water bath heating method met the requirement of the national standard, so the ultrasound method could be used to determine non-hydrated phosphorus content in crude soybean oil. |
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