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| Optimization of dynamic ultra high-pressure microfluidization assisted n-hexane extraction and quality analysis of Cyperus esculentus oil |
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| DOI： |
| KeyWord:Cyperus esculentus Cyperus esculentus oil dynamic ultra high-pressure microfluidization physicochemical indicator fatty acid composition |
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| Abstract: |
| In order to provide a reference for the efficient extraction of Cyperus esculentus oil, Cyperus esculentus oil was extracted by dynamic ultra high-pressure microfluidization assisted n-hexane method. The effects of microfluidization pressure, extraction temperature, and extraction time on the yield of Cyperus esculentus oil were studied through single factor experiments, and the extraction process was optimized using response surface methodology. The effects of dynamic ultra high-pressure microfluidization assisted n-hexane method and single n-hexane extraction on the yield of Cyperus esculentus oil were compared, and the quality of Cyperus esculentus oil was analyzed. The results showed that the optimal extraction conditions were obtained as follows: microfluidization pressure 110 MPa, extraction temperature 50 ℃, and extraction time 7 min. Under these conditions, the yield of Cyperus esculentus oil was 22.81%. Compared with single n-hexane extraction, the dynamic ultra high-pressure microfluidization assisted n-hexane method had higher yield, lower extraction temperature, and shorter extraction time. The physicochemical indicators and fatty acid composition and content of Cyperus esculentus oil extracted by dynamic ultra high-pressure microfluidization assisted n-hexane method met the requirements of the Cyperus esculentus oil industry standard (LS/T 3259-2018). In summary, dynamic ultra high-pressure microfluidization assisted n-hexane method is an efficient method for Cyperus esculentus oil extraction. |
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