About the Authors

Lauren M. G. Davis

Affiliation Department of Food Science and Technology, University of Nebraska, Lincoln, Nebraska, United States of America

Inés Martínez

Affiliation Department of Food Science and Technology, University of Nebraska, Lincoln, Nebraska, United States of America

Jens Walter

Affiliation Department of Food Science and Technology, University of Nebraska, Lincoln, Nebraska, United States of America

Caitlin Goin

Affiliation School of Biological Sciences, University of Nebraska, Lincoln, Nebraska, United States of America

Robert W. Hutkins

rhutkins1@unl.edu

Affiliation Department of Food Science and Technology, University of Nebraska, Lincoln, Nebraska, United States of America

Competing Interests

GTC Nutrition (Golden, CO) provided partial funding for the study and supplied the GOS. RH has served as a scientific adviser for GTC. However, this does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials, as detailed online in PLoS ONE's guide for authors.

Author Contributions

Conceived and designed the experiments: LD IM JW RH. Performed the experiments: LD IM CG. Analyzed the data: LD IM. Contributed reagents/materials/analysis tools: IM JW RH. Wrote the paper: LD IM JW RH.