About the Authors

Yong Zhu

Affiliation Department of Food Science and Human Nutrition, Iowa State University, Ames, Iowa, United States of America

Walter H. Hsu

Affiliation Department of Biomedical Sciences, Iowa State University, Ames, Iowa, United States of America

James H. Hollis

jhollis@iastate.edu

Affiliation Department of Food Science and Human Nutrition, Iowa State University, Ames, Iowa, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YZ JHH. Performed the experiments: YZ WHH JHH. Analyzed the data: YZ WHH JHH. Contributed reagents/materials/analysis tools: YZ WHH JHH. Wrote the paper: YZ WHH JHH.