Quality analysis of Aristichthys nobilis muscle cultured in rice fields, ponds and reservoirs
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S965.114

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    Abstract:

    Bighead carp (Aristichthys nobilis)is an important economic cultured fish. Its muscle quality is affected by different aquaculture environments. Moreover, the effect of different aquaculture models on the muscle quality of bighead crap is unclear. To explore this, we selected six bighead carp, randomly and respectively, from three different aquaculture environments: paddy field (DT), pond (CT), and reservoir (SK). We analyzed their muscle composition, measuring moisture, crude ash, crude protein, crude fat, and volatile flavor compounds using methods like atmospheric drying, high-temperature ashing, Kjeldahl nitrogen determination, acid hydrolysis, and gas chromatography-mass spectrometry. The results showed that the crude protein content of CT and DT was significantly higher than that of SK (P<0.05). Additionally, the crude fat content of CT was significantly higher than that of DT and SK (P<0.05).The muscles from all groups are rich in various constant and trace elements required by the human body, among which the contents of iron, manganese, sodium, and selenium are significantly higher in DT than in CT and SK (P<0.05). The distribution of fatty acids differed among the groups types of bighead carp, with CT having a higher content of monounsaturated fatty acids(31.20%), DT showing higher saturated fatty acids(46.05%), and SK having higher polyunsaturated fatty acids(29.83%). The ∑n-3/∑n-6 polyunsaturated fatty acid ratio was highest in DT, followed by SK and CT. We also observed similar total amino acid content among the 18 amino acids analyzed, the total amino acid content in the muscles of all three bighead carp was similar, and the proportion of total essential amino acids (EAA) to total amino acids was above 39%, surpassing the WHO/FAO model standard of 35.38%. The essential amino acid index (EAAI) was above 86 for all three groups, with DT exhibiting higher values than ST and CT. Notably, DT was found to have a better flavor profile with higher aldehyde volatile substances and lacking ketone volatile substances. Overall, the study highlighted the nutrient richness and balanced amino acid and fatty acid profiles in bighead carp muscles, making them a superior protein source across the different breeding modes. This study illstrates the nutritional benefits and balanced amino acid and fatty acid profiles in bighead carp muscles across different farming models, offering insights for consumer selection and foundational data to enhance muscle quality in bighead carp.

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高胡君,赵绳富,杨丹,侯梦丹,肖川波,柯真林,翟旭亮,薛洋,徐凤,唐仁军,叶华,罗辉.稻田、池塘和水库养殖鳙肌肉品质分析[J].上海海洋大学学报,2025,34(3):590-603.
GAO Hujun, ZHAO Shengfu, YANG Dan, HOU Mengdan, XIAO Chuanbo, KE Zhenlin, ZHAI Xuliang, XUE Yang, XU Feng, TANG Renjun, Ye Hua, LUO Hui. Quality analysis of Aristichthys nobilis muscle cultured in rice fields, ponds and reservoirs[J]. Journal of Shanghai Ocean University,2025,34(3):590-603.

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History
  • Received:October 09,2024
  • Revised:December 04,2024
  • Online: May 23,2025
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