|
| Preparation of 1,3-dipalmitoyl-2-oleoylglycerol with high-oleic peanut oil by enzymatic transesterification |
| |
| DOI： |
| KeyWord:enzymatic transesterification high-oleic peanut oil 1,3-dipalmitoyl-2-oleoylglycerol acyl migration response surface methodology |
| FundProject:“十四五”国家重点研发计划项目（2021YFD2100304） |
|
| Hits: 1694 |
| Download times: 1677 |
| Abstract: |
| In order to provide new base oil for the production of cocoa butter and research basis for the high-value utilization of high-oleic peanut oil, with high-oleic peanut oil and ethyl palmitate as raw materials, NS40086 lipase as catalyst, 1,3-dipalmitoyl-2-oleoylglycerol (POP) was synthesized by enzymatic transesterification in a solvent-free system. The effects of reaction conditions on the POP content, acyl migration and the relative content of sn-2 oleic acid were studied by single factor experiment, and response surface methodology was used to determine the optimal reaction conditions. The results showed that the optimal reaction conditions were obtained as follows: reaction time 3 h, molar ratio of ethyl palmitate to high-oleic peanut oil 11∶ 1, dosage of enzyme 3% (based on total substrates mass), reaction temperature 50 ℃. Under these conditions, the POP content, acyl migration and the relative content of sn-2 oleic acid were 86.48%, 3.25% and 72.88%, respectively. |
| View full text View/Add Comment Download reader |
| Close |
|
|
|
