title: Preference for dried bonito broth in olfactory-blocked or taste nerve-sectioned mice in the two-bottle choice test.
abstract: We investigated how gustatory and olfactory information contributes to the preference for dried bonito broth in mice. In the two-bottle preference test, intact mice consumed dried bonito broth in preference to water or an amino acid-nucleotide (AN) solution containing the same concentration of amino acids and nucleotides as that in dried bonito broth. It was observed that mice with transected bilateral chorda tympani (CT) nerves, those with transected bilateral glossopharyngeal (GL) nerves, and those that were intranasally administered with zinc sulfate preferred dried bonito broth to water. Zinc sulfate was used to produce a temporary loss of olfaction. In the two-bottle preference test with dried bonito broth and an AN solution, the preference for the former was reduced in mice with transected bilateral GL nerves and in those with an olfactory blockade, but not in mice with transected bilateral CT nerves. These results suggest that dried bonito broth was preferred over the AN solution, and that simultaneous inputs from olfaction and the GL nerve contributed to this preference.
authors.affiliation: Laboratory of Nutrition Chemistry, Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Japan.
authors.forename: Hiroya
authors.initials: H
authors.lastname: Kawasaki
authors.forename: Atsuko
authors.initials: A
authors.lastname: Yamada
authors.forename: Ryota
authors.initials: R
authors.lastname: Fuse
authors.forename: Tohru
authors.initials: T
authors.lastname: Fushiki
mesh_terms: D000818:Animals; D002814:Chorda Tympani Nerve / Q000502:physiology / Q000601:surgery*; D005518:Food Preferences / Q000502:physiology*; D005930:Glossopharyngeal Nerve / Q000502:physiology / Q000601:surgery*; D008297:Male; D051379:Mice; D008813:Mice, Inbred ICR; D009666:Nose / Q000503:physiopathology; D000857:Olfaction Disorders / Q000139:chemically induced / Q000503:physiopathology; D010473:Perciformes; D012903:Smell; D013649:Taste; D014867:Water; D019287:Zinc Sulfate / Q000008:administration & dosage / Q000633:toxicity
chemical_list: D014867:Water; D019287:Zinc Sulfate