Jérôme Boursier1,2, Matthieu Barret3, Anna Mae Diehl4. 1. Hepato-Gastroenterology Department, University Hospital, Angers, France. 2. HIFIH Laboratory, UPRES 3859, SFR 4208, LUNAM University, Angers, France. 3. INRA, UMR1345 Institut de Recherches en Horticulture et Semences, SFR4207 QUASAV, Beaucouzé, France. 4. Division of Gastroenterology, Department of Medicine, Duke University Medical Center, Durham, NC.