1. Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, 8304 Minamiminowa, Kamiina, Nagano 399-4598, Japan
2. Department of Agriculture, Graduate School of Science and Technology, Shinshu University, 8304 Minamiminowa Kamiina, Nagano 399-4598, Japan
3. Takano Foods Co., Ltd, 1542 Noda, Omitama, Ibaraki 311-3411, Japan