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長三角地區養殖雌性中華絨螯蟹(Eriocheir sinensis) 可食組織常規營養成分及游離氨基酸含量比較
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陳倩倩(1994-),碩士研究生,研究方向為中華絨螯蟹營養品質分析,E-mail:2480857135@qq.com

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國家自然科學基金青年基金項目(31802320);現代農業產業技術體系專項 (CARS-48);黃河三角洲產業領軍人才項目(DYRC20190210)


Comparison of the contents of conventional nutrients and free amino acids in the edible tissues of female Eriocheir sinensis cultured in the Yangtze River Delta
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    摘要:

    本研究對長三角地區(上海、蘇州和泰州)不同時期養殖雌性中華絨螯蟹(Eriocheir sinensis)成蟹的可食組織比例、常規營養成分和游離氨基酸含量及呈味特征進行了檢測和分析。結果表明,9—11月長三角地區養殖雌性成蟹的肥滿度(Condition factor, CF)無顯著性變化(P>0.05);上海雌蟹11月的出肉率(Meat yield, MY)最高,但蘇州和泰州的均是9月份MY最高;性腺指數(Gonadosomatic index, GSI)和卵巢中的蛋白質含量顯著升高(P<0.05);肝胰腺指數(Hepatopancreas index, HSI)與GSI呈負相關,肝胰腺中的總脂含量最高且先上升后下降;肌肉中的水分含量顯著高于性腺和肝胰腺中的含量(P<0.05)。此外,在雌蟹肌肉中共檢測到21種游離氨基酸(Free amino acid, FAA),且總氨基酸(Total amino acid, TAA)含量和甜味氨基酸的呈味強度都在升高,口感均是11月最佳。雙因素方差分析表明,長三角地區雌蟹的營養品質主要受時期因素影響,地域因素只影響肌肉中水分和蛋白含量,進而影響到肌肉中部分FAA的含量。本研究結果有助于為中華絨螯蟹的消費、營養評價及等級標準制定提供科學的參考依據。[中國漁業質量與標準,2023, 13(3):01-08]

    Abstract:

    In this study, the proportion of edible tissue, conventional nutrients, content of free amino acids and taste characteristics of adult female E. sinensis cultured at different periods in the Yangtze River Delta (Shanghai, Suzhou and Taizhou) were detected and analyzed. The results showed that the Condition Factor (CF) of adult female crabs cultured in the Yangtze River Delta from September to November had no significant change (P>0.05); The meat yield (MY) of female crabs in Shanghai was the highest in November, but the MY of female crabs in Suzhou and Taizhou was the highest in September; Gonadosomatic index (GSI) and protein content in the ovaries significantly increased (P<0.05); Hepatopancreas index (HSI) was negatively correlated with GSI, and the lipid content in hepatopancreas was the highest with the trend of first rising and then falling; Moisture content in muscle was significantly higher than that in gonads and hepatopancreas (P<0.05). In addition, a total of 21 free amino acids (FAAs) were detected in the muscle of female crabs, and the content of total amino acids (TAA) and the taste intensity of sweet amino acids were increased, and the best taste was in November.. Two-factor analysis of variance showed that the nutritional quality of female crabs in the Yangtze River Delta region was mainly affected by period factors, and the contents of moisture and protein in muscle were only affected by regional factors, which then affected the content of some free amino acids in muscle. This study can provide a scientific reference for the consumption, nutritional evaluation and grading standards of E. sinensis. [Chinese Fishery Quality and Standards, 2023, 13(3): 01-08]

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陳倩倩,劉家卿,王英澤,等.長三角地區養殖雌性中華絨螯蟹(Eriocheir sinensis) 可食組織常規營養成分及游離氨基酸含量比較[J].中國漁業質量與標準,2023,13(3):1-8. CHEN Qianqian, LIU Jiaqing, WANG Yingze, et al. Comparison of the contents of conventional nutrients and free amino acids in the edible tissues of female Eriocheir sinensis cultured in the Yangtze River Delta[J]. Chinese Fishery Quality and Standards,2023,13(3):1-8.

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  • 收稿日期:2023-02-10
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  • 錄用日期:2023-04-06
  • 在線發布日期: 2023-08-02
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