About the Authors

Ken-ichiro Nakajima

Affiliation Department of Applied Biological Chemistry, The University of Tokyo, Tokyo, Japan

Kanako Yokoyama

Affiliation Department of Nutritional Science, Tokyo University of Agriculture, Tokyo, Japan

Taichi Koizumi

Affiliation Department of Applied Biological Chemistry, The University of Tokyo, Tokyo, Japan

Ayako Koizumi

Affiliation Department of Applied Biological Chemistry, The University of Tokyo, Tokyo, Japan

Tomiko Asakura

Affiliation Department of Applied Biological Chemistry, The University of Tokyo, Tokyo, Japan

Tohru Terada

Affiliation Agricultural Bioinformatics Research Unit, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan

Katsuyoshi Masuda

Affiliation Suntory Institute for Bioorganic Research, Osaka, Japan

Keisuke Ito

Current address: Department of Food and Nutritional Sciences, Graduate School of Nutritional and Environmental Sciences, University of Shizuoka, Shizuoka, Japan

Affiliation Department of Applied Biological Chemistry, The University of Tokyo, Tokyo, Japan

Akiko Shimizu-Ibuka

Affiliation Department of Applied Biological Chemistry, The University of Tokyo, Tokyo, Japan

Takumi Misaka

Affiliation Department of Applied Biological Chemistry, The University of Tokyo, Tokyo, Japan

Keiko Abe

aka7308@mail.ecc.u-tokyo.ac.jp

Affiliations Department of Applied Biological Chemistry, The University of Tokyo, Tokyo, Japan, Agricultural Bioinformatics Research Unit, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan, Food Safety and Reliability Project, Kanagawa Academy of Science and Technology, Kawasaki, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KN AK TM KA. Performed the experiments: KN KY TK TT KM. Analyzed the data: KN AK TA KI AS-I TM KA. Wrote the paper: KN TM KA.