1. Food Engineering Division, National Food Research Institute, 2-1-12 Kannondai, Tsukuba, Ibaraki 305-8642, Japan; Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1, Tennoudai, Tsukuba, Ibaraki, 305-8577, Japan; and Unilever Corporate Research, Colworth Science Park, MK44 1LQ Sharnbrook, Bedford, United Kingdom