Differences in the Physicochemical Characteristcs between the muscles of Ctenopharyngodon idellus C. et V and Ctenopharyngodon idellus
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Abstract:
The differences in general chemical components, TPA value, muscle protein components, amino acid components and nutritional evaluation between muscles of Ctenopharyngodon idellus C. et V and Ctenopharyngodon idellus were investigated. The results showed that water content in Ctenopharyngodon idellus C. et V muscle was lower than that in Ctenopharyngodon idellus muscle, while the contents of protein, lipid and ash in the former were higher than those in the latter. Besides, the contents of sarcoplasmic protein, myofibrillar protein and stroma protein in Ctenopharyngodon idellus C. et V muscle were higher than those in Ctenopharyngodon idellus C. et V. And the hardness, chewiness, resilience and adhesiveness of Ctenopharyngodon idellus C. et V muscle were higher than those of Ctenopharyngodon idellus. Besides, the amino acids contents in Ctenopharyngodon idellus C. et V muscle were higher than those in Ctenopharyngodon idellus except Tyr, Arg and Ser. According to amino acid score, the first limiting amino acids in the two kinds of muscles were Met and Cys, while the second limiting amino acid was Val in Ctenopharyngodon idellus C. et V and Leu in Ctenopharyngodon idellus, respectively.
