Synthesis of acylglycerols from ω−3 fatty acids and conjugated linoleic acid isomers
Why this work is in the frame
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Bibliographic record
Abstract
n-3 PUFA (omega-3 polyunsaturated fatty acid) concentrate from mackerel oil enriched in EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) was used to esterify isomers of CLA (conjuated linoleic acid) to produce acylglycerols (glycerides). Catalysis was potentiated by immobilized lipases from the yeast Candida antarctica and the mould Mucor miehei. C. antarctica lipase showed higher reactivity and much faster initial rate of incorporation of CLA into acylglycerols than its M. miehei counterpart. Synthesis with molecular sieves also achieved a better rate of incorporation of fatty acids into acylglycerols than using vacuum or systems without water removal. Esterification achieved at 40 degrees C with C. antarctica lipase was significantly different from that achieved at 60 or 50 degrees C. However, there was no significant (P<0.05) difference between esterification at 50 degrees C and 60 degrees C. The molar ratio of glycerol to fatty acid was found to influence the initial rate of incorporation, with the lower ratios showing higher initial rates compared with the higher ratios. The present study shows that direct esterification is an effective mechanism for producing acylglycerols from fatty acids in a controlled system.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it