Nakayama, M.; Roh, M. S.; Uchida, K.; Yamaguchi, Y.; Takano, K.; Koshioka, M. (2000). “Malvidin 3-rutinoside as the pigment responsible for bract color in Curcuma alismatifolia”. Bioscience, Biotechnology, and Biochemistry. 64 (5): 1093–1095. doi:10.1271/bbb.64.1093. PMID10879491.
Nakayama, M.; Roh, M. S.; Uchida, K.; Yamaguchi, Y.; Takano, K.; Koshioka, M. (2000). “Malvidin 3-rutinoside as the pigment responsible for bract color in Curcuma alismatifolia”. Bioscience, Biotechnology, and Biochemistry. 64 (5): 1093–1095. doi:10.1271/bbb.64.1093. PMID10879491.