[1] Pacific NW Natl Lab, Chem & Biol Proc Dev Grp, Richland, WA 99352 USA
[2] Natl Res Council CNR, Inst Sci Food Prod ISPA, Bari, Italy
[3] Washington State Univ, Richland, WA USA
[4] Vienna Univ Technol, Inst Chem Engn, Area Biotechnol & Microbiol, A-1040 Vienna, Austria