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Article Abstract
A boiled fish simulation system was constructed to explore the deodorization effect of main aroma compounds (MAC) on myofibrillar protein (MP) with main fishy compounds (MFC) during heating. The results showed that the MFC content of boiled fish was reduced by 63.10-78.10 % when boiled by heat-stable emulsions loading MAC. Specifically, adding linalool, anethole, and myrcene significantly elevated the free percentage of hexanal, heptanal, and 1-octen-3-ol after heating, while the free percentage of octanal and nonanal markedly increased by adding anethole and limonene. Molecular docking exhibited that MAC and MFC possessed co-binding sites with myosin. Linalool and anethole were competitively bound to MP through hydrophobic and hydrogen bonding sites, while myrcene and limonene were via hydrophobic interaction sites. Moreover, MAC-MP formed a relatively stable structure, exhibiting increased α-helix content and decreased surface hydrophobicity, which reduced the available sites for MFC binding, ultimately desorbed MFC (65.46 %-95.89 %).
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