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Effect of microstructure and chemical proximate composition on mechanical properties of Procambarus clarkii shell

文献类型： 外文期刊

作者： Wang, Chao 1 ; Shi, Gangpeng 1 ; Que, Feng 1 ; Xia, Yuting 1 ; Li, Xuehong 1 ; Yang, Hao 3 ; Shi, Liu 2 ; Wu, Wenjin 2 ; Ding, Anzi 2 ; Li, Xin 2 ; Qiao, Yu 2 ; Liao, Li 2 ; Kang, Jun 4 ; Wang, Liqing 4 ; Wang, Lan 2 ; Xiong, Guangquan 2 ;

作者机构： 1.Hubei Univ Technol, Sch Bioengn & Food Sci, Wuhan 430068, Peoples R China

2.Hubei Acad Agr Sci, Inst Agroprod Proc & Nucl Agr Technol, Wuhan 430064, Peoples R China

3.China Univ Geosci Wuhan, State Key Lab Biogeol & Environm Geol BGEG, Wuhan 430074, Peoples R China

4.Hubei Qianwang Ecol Crayfish Ind Pk Grp Corp, Qianjiang 433100, Peoples R China

关键词： Procambarus clarkii; Crayfish shell; Microstructure; Texture; Correlation analysis

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.056； 五年影响因子：6.295 ）

ISSN： 0023-6438

年卷期： 2022 年 165 卷

页码：

收录情况： SCI

摘要： Procambarus clarkii was harvested in different months (April, May, and June) and classified to different groups based on weight (small, 10-20 g; medium, 20-30 g; and large, 30-40 g). The head shells (HS) and tail shells (TS) were obtained and chemical proximate components, microstructure and texture of crayfish shell were investi-gated, and the principal component analysis (PCA) and correlation analysis among the indices was performed. The results indicated that the moisture content of crayfish shell was significantly decreased (P < 0.05), whereas the contents of chitin, ash, and calcium was increased with the passage of sampling time and the increase of sampling weight. Under the same crayfish weight and same sampling month, the hardness and lipid content of HS were higher than TS, while the protein content exhibited an opposite trend. The results of PCA and correlation analysis showed that the gradual harden crayfish shell from April to June exhibited an increased thickness, ordered protein, tighten intramolecular and intermolecular hydrogen bonds, which might possess a high me-chanical properties of red swamp crayfish during transport. This work would be benefit for the replenishment of crayfish shell database and provided theoretical references for crayfish transportation standard.

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