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| Optimization of molecular recombination of lard by response surface methodology |
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| DOI： |
| KeyWord:lard molecular recombination KOH-glycerol X-ray diffraction |
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| Abstract: |
| With lard as raw material and self-made KOH- glycerol （mass ratio 1∶1） as catalyst，the effects of temperature，time and catalyst dosage on the molecular recombination of lard were researched. The molecular recombination conditions of lard were optimized by response surface methodology on the basis of single factor experiment. The results showed that the optimal molecular recombination conditions of lard were obtained as follows： temperature 95℃，time 60 min and catalyst dosage 1.0% of lard mass. Under the optimal conditions，the molecular recombination degree of lard could reach 100%，the distribution of triglyceride fatty acids was completely random，and the crystal of lard was easy to form β′ crystal after molecular recombination，thus the application of lard was expanded. |
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