ブリ若魚の味応答〔英文〕
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The sensitivity of the palatal receptors of young yellowtails Seriola quinqueradiata to extracts of animals were studied by recording the electrical neural responses from the anterior palatine nerve.The palatal receptors responded to amino acids, betaine, and nucleotides and related sub-stances. Of the 20 amino acids tested, proline had the lowest threshold of around 10-6 M. The threshold for tryptophan, the next most effective amino acid, was around 10-4M, while many amino acids were ineffective at 10-2M and thus, a relatively narrow amino acid response spectrum was seen at 10-2 M. Among the effective nucleotides and related substances were adenosine, inosine, AMP, ADP, ATP, IMP and UMP. Sodium salts of fumaric acid, malic acid and succinic acid, and urea and other nitrogenous excretory substances were ineffective at 10-2M. Sucrose at 0.5M was also ineffective.
- 日本水産學會の論文
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