Biotechnology Letters

, Volume 39, Issue 7, pp 1019–1024 | Cite as

Bioconversion of lutein by Enterobacter hormaechei to form a new compound, 8-methyl-α-ionone

  • Guifang Zhong
  • Fangfang Wang
  • Jianhong Sun
  • Jianbin Ye
  • Duobin Mao
  • Ke Ma
  • Xuepeng Yang
Original Research Paper



To investigate the final product of the bioconversion of lutein by a novel lutein-degrading bacterium, Enterobacter hormaechei A20, and the kinetics of the process.


A new product, 8-methyl-α-ionone, was resolved by GC–MS. The compound was further identified by NMR. A conversion yield of 90% was achieved by E. hormaechei in 36 h with 10 g lutein l−1.


This is the first report of the bioconversion of lutein to form 8-methyl-α-ionone. A degradation pathway is proposed.


Bioconversion Enterobacter hormaechei Lutein 8-Methyl-α-ionone 



This work was partially supported by the National Natural Science Foundation of China (Grant No. 21476217) and Program for Science & Technology Innovation Talents in Universities of Henan Province (16HASTIT013).

Supporting information

Supplementary Figure 1—1H NMR spectrum of 8-methyl-α-ionone.

Supplementary Figure 2—13C NMR spectrum of 8-methyl-α-ionone.

Supplementary material

10529_2017_2329_MOESM1_ESM.tif (105 kb)
Supplementary material 1 (TIFF 104 kb)
10529_2017_2329_MOESM2_ESM.tif (63 kb)
Supplementary material 2 (TIFF 62 kb)


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Copyright information

© Springer Science+Business Media Dordrecht 2017

Authors and Affiliations

  1. 1.School of Food and Biological EngineeringZhengzhou University of Light IndustryZhengzhouChina
  2. 2.China Tobacco, Shandong Industrial Co. Ltd.JinanChina
  3. 3.Henan Provincial Collaborative Innovation Center for Food Production and SafetyZhengzhouChina

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