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Ester-exchange reaction between triglycerides with polyethylene glycol-modified lipase

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Summary

Polyethylene glycol-modified lipase efficiently catalyzed esterexchange reaction between trilaurin and triolein in the straight hydrophobic substrates. Dilauroyl-monooleoyl-glycerol and monolauroyl-dioleoyl-glycerol were formed from two triglyceride-substrates, trilaurin and triolein, in the presence of the modified lipase at 58°C. Consequently, the melting temperature of the mixture of two substrates was decreased from 33–36°C to 11–13°C. Similar ester-exchange reaction took place between fat and oil composed of triglycerides, accompanied by the decrease in the melting temperature of the reaction mixture.

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Authors and Affiliations

  1. Laboratory of Biological Chemistry, Tokyo Institute of Technology, Ookayama, Meguroku, 152, Tokyo, Japan

    Ayako Matsushima, Yoh Kodera, Katsunobu Takahashi, Yuji Saito & Yuji Inada

Authors
  1. Ayako Matsushima
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  2. Yoh Kodera
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  3. Katsunobu Takahashi
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  4. Yuji Saito
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  5. Yuji Inada
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Matsushima, A., Kodera, Y., Takahashi, K. et al. Ester-exchange reaction between triglycerides with polyethylene glycol-modified lipase. Biotechnol Lett 8, 73–78 (1986). https://doi.org/10.1007/BF01048459

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  • DOI: https://doi.org/10.1007/BF01048459

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