초록

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Abstract ▼ AI-Helper

In this experiment, the contents of free amino acids, and nucleotides and their related compounds of dried cod products were analysed by amino acid autoanalyzer and HPLC. Proline, histidine, lysine and alanine were dominant amino acids in raw extracts, having $65.4\%$ of total free amino ...

In this experiment, the contents of free amino acids, and nucleotides and their related compounds of dried cod products were analysed by amino acid autoanalyzer and HPLC. Proline, histidine, lysine and alanine were dominant amino acids in raw extracts, having $65.4\%$ of total free amino acid contents, but the contents of aspartic acid, serine, isoleucine and phenylalanine were low, and methionine, tyrosine and arginine were detected in trace amount. In free amino acid composition of dried products, abundant amino acids were glycine, histidine, lysine, proline and alanine. Such amino acid as aspartic acid, methionine, tyrosine and phenylalanine were poor. In extracts of storage sample, most free amino acids were increased in both sun dried products and hot air dried products, and glycine, histidine, lysine, proline and alanine were abundant amino acid, such amino acid as methionine, tyrosine and phenylalanine were poor. In raw cod, inosine and IMP were dominant contents which 18.5, $10.0{\mu}mole/g$ on dry base, respectively, but the contents of ATP, ADP, hypoxanthine and AMP were detected less than $3.2{\mu}mole/g$. ATP and ADP were decreased while IMP, inosine and hypoxanthine were increased during drying and storage of cod.