About the Authors

Yun Chen
Verena Siewers
Jens Nielsen

nielsenj@chalmers.se

Affiliation Department of Chemical and Biological Engineering, Chalmers University of Technology, Göteborg, Sweden

Competing Interests

The authors declare they received funding from Firmenich. There are no other declarations relating to employment, consultancy, patents, products in development or marketed products. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: YC. Performed the experiments: YC. Analyzed the data: YC VS JN. Wrote the paper: YC VS JN.