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高生物胺鱼类腐败过程中pH、生物胺与挥发性气体变化规律

Dynamic changes in pH,biogenic amines,and volatile gases in spoiled high biogenic amine fish
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摘要 为研究高生物胺鱼类腐败过程中各指标变化规律,寻找高生物胺鱼类适宜的储存方式,以我国东部沿海地区两种重要的中上层经济鱼类及典型高生物胺鱼类——鲐(Scomber japonicus)和鳀(Engraulis japonicus)为研究对象,检测其腐败过程中pH、生物胺含量和挥发性气体等指标,并对生物胺含量进行Logistic分析和对挥发性气体进行线性判别分析。研究结果显示,冷冻条件(−20℃)储存鲐和鳀最为适宜;冷藏条件(4℃)下,两者储存不宜超过3 d;室温条件(25℃)下,鲐储存超过18 h,鳀储存超过12 h,风味和安全性都会有较大变化。研究结果提示pH、生物胺和挥发性气体指标对监测高生物胺鱼类腐败进程的可靠性,并探讨了尸胺作为鳀腐败阶段标志物的可能性。研究结果可为评价高生物胺鱼类的品质变化规律及安全控制提供理论支撑,对预防高生物胺鱼类中毒具有重要的预警作用。 Bioamines play important roles in organisms,including controlling the biosynthesis of nucleic acids and stabilizing their structure to prevent denaturation.However,excessive intake of bioamines within a short period can inhibit the detoxification system.Meanwhile,excessive bioamines can damage the human body,even proving fatal.Pelagic marine fish such as Scomber japonicus and Engraulis japonicus are rich in ornithine,histidine and other amino acids,and related proteins.However,these compounds are easily decomposed by endogenous and exogenous enzymes during the storage of fish,resulting in the rapid production of several biogenic amines.Hence,they are labelled as fish with high biogenic amines.Several pelagic marine fish resources—an indispensable and important fishery resource in China and even globally—are at risk of high biogenic amine content.Here,we aimed to investigate the variations in different indicators during the spoilage of high biogenic amine fish and identify appropriate storage methods for them.S.japonicus and E.japonicus,two important pelagic fishes and typical high biogenic amine fishes in the eastern coastal areas of China,were selected as research subjects.Different indicators were assessed during the spoilage process,including pH,biogenic amine content,and volatile gas.Logistic analysis of biogenic amine content and linear discriminant analysis of volatile gas were performed.We found that S.japonicus and E.japonicus should not be stored for more than 3 days in cold temperatures(4℃).When S.japonicus was stored for>18 h and E.japonicus for>12 h at room temperature(25℃),significant changes were observed in their flavor and safety.Freezing temperature is the suitable storage temperature for S.japonicus and E.japonicus.Generally,the content of histamine in fish with high biogenic amine is higher than that of other biogenic amines;however,our study revealed that the content and change rate of cadaverine are higher than that of histamine in E.japonicus during the spoilage process.Therefore,cadaverine may be used as an indicator of the spoilage stage of E.japonicus,and detecting cadaverine in certain fish might better reflect the extent of spoilage compared to solely measuring histamine content.The results of this study provide theoretical support for the evaluating quality changes and safety control of fish with high biogenic amine.Moreover,they play a crucial role in early warning aimed at preventing poisoning associated with high biogenic amine fish.
作者 王瑞祥 闫朋进 王焕 李杰峰 刘凯莹 柳淑芳 庄志猛 WANG Ruixiang;YAN Pengjin;WANG Huan;LI Jiefeng;LIU Kaiying;LIU Shufang;ZHUANG Zhimeng(College of Fisheries and Life Science,Shanghai Ocean University,Shanghai 201306,China;Key Laboratory of Sustainable Development of Marine Fisheries,Ministry of Agriculture and Rural Affairs,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Qingdao 266071,China;Laboratory for Marine Fisheries Science and Food Production Processes,Laoshan National Laboratory,Qingdao 266237,China)
出处 《中国水产科学》 CAS CSCD 北大核心 2023年第11期1387-1397,共11页 Journal of Fishery Sciences of China
基金 国家重点研发计划项目(2019YFC1604702) 国家自然科学基金项目(32102768,42076132) 中国水产科学研究院黄海水产研究所基本科研业务费项目(20603022022024).
关键词 高生物胺鱼 新鲜度 PH 挥发性气体 生物胺 high biogenic amine fish freshness pH volatile gas biogenic amine
作者简介 王瑞祥(1999-),男,硕士研究生,研究方向为渔业资源分子生态学.E-mail:1844142861@qq.com;通信作者:柳淑芳,研究员,研究方向为渔业资源分子生态学.E-mail:liusf@ysfri.ac.cn
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