[1] INRA, UEPSD, F-78352 Jouy En Josas, France
[2] Bioneer AS, DK-2970 Horsholm, Denmark
[3] Univ Wageningen & Res Ctr, Microbiol Lab, NL-6703 CT Wageningen, Netherlands
[4] Univ Reading, Sch Food Biosci, Reading RG6 6AP, Berks, England
[5] Deutsch Inst Ernahrungsforsch Potsdam Rehbrucke, Dept Gastrointestinal Microbiol, D-14558 Nuthetal, Germany