Effects of polystyrene nanoplastics on the amino acid composition of Asian Clam ( Corbicula fluminea )
文献类型： 外文期刊
作者： Hu, Fengyang 1 ; Cai, Yajie 1 ; Kong, Lingliang 1 ; Zhou, Min 1 ; Sun, Dafa 1 ; Guo, Xue 1 ; Li, Wei 3 ; Mai, Yongzhai 2 ; Wang, Xuesong 1 ;
作者机构： 1.Chinese Acad Inspect & Quarantine Greater Bay Area, Zhongshan 528437, Peoples R China
2.Chinese Acad Fishery Sci, Minist Agr & Rural Affairs, Natl Agr Sci Observing & Expt Stn Fisheries Resour, Key Lab Prevent & Control Aquat Invas Alien Specie, Guangzhou 510380, Peoples R China
3.Zhongkai Univ Agr & Engn, Innovat Inst Anim Hlth Breeding, Coll Anim Sci & Technol, Guangzhou Key Lab Aquat Anim Dis & Waterfowl Breed, Guangzhou 510225, Guangdong, Peoples R China
关键词： Corbicula fluminea; Polystyrene nanoplastics; Tissue damage; Muscle nutrition; Amino acids
期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.0； 五年影响因子：6.0 ）
ISSN： 0023-6438
年卷期： 2024 年 198 卷
页码：
收录情况： SCI
摘要： Because the effect of nanoplastics (NPs) on muscle nutrition is poorly understood, a systematic study of the growth performance, tissue damage, and amino acid composition of Asian clam ( Corbicula fluminea ) under polystyrene nanoplastic (PS-NP) treatment was performed by combining short- and long-term treatments together. The primary results showed the shell length, height, and width increased as time progressed, whereas the body weight of C . fluminea revealed no significant difference between the PS-NP -treated clams and the blank control during the entire experiment. Histopathology analyses manifested the inflammatory cell infiltration and vacuolization rates of gill, gut, gonads, and muscle were elevated under PS-NP treatment in comparison with those of the blank control, indicating PS-NP -induced tissue damage occurred irreversibly. Downregulated SOD activity and upregulated CAT and GPX activities were detected, accompanied by increased MDA and GSH levels, suggesting PS-NPs induced tissues damage associated with its role as an antioxidant system disruptor. Levels of four bitter amino acids (Val, Met, Ile, Leu) significantly increased in the PS-NP-treated group compared to levels in the blank control, which was the dominant variation in muscle nutrition. As a result of these changes, the meat quality of C . fluminea decreased, which is a novel discovery of this work.
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