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| Optimization of ultrasonic-assisted aqueous extraction of corn wax lipid from diatomaceous earth |
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| DOI： |
| KeyWord:diatomaceous earth ultrasonic-assisted method aqueous extraction corn wax lipid |
| FundProject:吉林工商学院科学技术研究项目（K2022009） |
| Author Name | Affiliation | | HAN Dan1, SUN Libin2,3, WANG Hong2, YU Dianyu3, WANG Junguo1 | 1.Key Laboratory of Grain and Oil Processing of Jilin Province, Jilin Business and Technology College,
Changchun 130507, China
2.School of Grain Science and Technology, Jilin Business and
Technology College, Changchun 130507, China
3.School of Food Science, North East
Agriculture University, Harbin 150030, China |
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| Abstract: |
| In order to improve the corn oil refining added value and realize the recyclable use of diatomaceous earth, diatomaceous earth containing wax lipid, a by-product of corn oil refining, was used as raw material to extract corn wax lipid by ultrasonic-assisted aqueous method, the effects of different extraction conditions on the extraction rate of corn wax lipid were investigated, and the process conditions for the extraction of corn wax lipid were optimized by response surface methodology. The results showed that the optimal extraction conditions were as follows: ultrasonic power 480 W, ultrasonic time 4 h, extraction temperature 95 ℃, and material-liquid ratio 1∶ 3. Under these conditions, the extraction rate of corn wax lipid was （59.46±0.91）%. In conclusion, the ultrasonic-assisted aqueous method can effectively extract corn wax lipid from diatomaceous earth. |
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