Applied Biochemistry and Biotechnology

, Volume 186, Issue 2, pp 292–305 | Cite as

Synthesis of Lactosucrose Using a Recombinant Levansucrase from Brenneria goodwinii

  • Wei Xu
  • Qian Liu
  • Shuhuai Yu
  • Tao Zhang
  • Wanmeng Mu


Lactosucrose is a kind of trisaccharide that functions as a significant prebiotic in the maintenance of gastrointestinal homeostasis for human. In this study, a levansucrase from Brenneria goodwinii was further used for the lactosucrose production. The recombinant levansucrase showed efficiency in the lactosucrose production by transfructosylation from sucrose and lactose, and no other oligosaccharide or polysaccharide was detected in the reaction mixture. The transfructosylation product by this recombinant enzyme was structurally determined to be lactosucrose by FT-IR and NMR. The production condition was optimized as pH at 6.0, temperature at 35 °C, 5 U mL−1 enzyme, 180 g L−1 sucrose, and 180 g L−1 lactose. Under the optimal condition, the enzyme could approximately produce 100 g L−1 lactosucrose when the reaction reached equilibrium. The recombinant levansucrase could effectively and exclusively catalyze the formation of lactosucrose, which might expand the enzymatic choice for further preparation of lactosucrose.


Lactosucrose Levansucrase Transfructosylation Optimized 


Funding Information

This work was supported by the Support Project of Jiangsu Province (No. 2015-SWYY-009).

Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest.

Supplementary material

12010_2018_2743_MOESM1_ESM.docx (243 kb)
ESM 1 (DOCX 242 kb)


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Wei Xu
    • 1
  • Qian Liu
    • 1
  • Shuhuai Yu
    • 1
  • Tao Zhang
    • 1
  • Wanmeng Mu
    • 1
    • 2
  1. 1.State Key Laboratory of Food Science and TechnologyJiangnan UniversityWuxiPeople’s Republic of China
  2. 2.International Joint Laboratory on Food SafetyJiangnan UniversityWuxiChina

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