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食品研究与开发:2017,38(16):77-81
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利用柠檬酸脱除鲢鱼鱼鳞中钙的工艺条件优化
胡爱军1,2,宋飞莹1,郑捷1,曲莹1,曹园园1
(1.天津科技大学 食品工程与生物技术学院,天津 300457; 2天津市宽达水产食品有限公司,天津 300304)
Study on Decalcification Condition of Silver Carp(Hypophthalmichthys molitrix) Scales with Citric Acid
HU Ai-jun1,2,SONG Fei-ying1,ZHENG Jie1,QU Ying1,CAO Yuan-yuan1
(1. College of Food Engineering and Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China;2. Tianjin City Kuanda Aquatic Food Co., Ltd., Tianjin 300304, China)
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投稿时间:2016-12-07    
中文摘要: 以柠檬酸为脱钙剂,研究搅拌条件下鲢鱼鱼鳞的脱钙条件,并通过扫描电子显微镜对脱钙前后鱼鳞的表面 结构进行观察对比。采用单因素及正交试验,考察料液比、脱钙时间及柠檬酸浓度对鱼鳞脱钙效果的影响。结果表明, 最佳工艺参数为:料液比 1∶20(g/mL),脱钙时间 120 min,柠檬酸浓度 3.5 %,在此条件下,脱钙率可达到 95.23 %,电镜 结果显示,脱钙能使鲢鱼鱼鳞的蛋白质裸露出来,有利于鱼鳞蛋白质的提取。
中文关键词: 鲢鱼  鱼鳞  柠檬酸  脱钙  表面结构
Abstract:The process conditions of citric acid removal the calcium ions from the silver carp fish-scale were studied. The surface structures of undecalcified fish scale and decalcified fish scale were observed by scanning electron microscope (SEM). The effects of solid-liquid ratio, reaction time and citric acid concentration on the decalcification of fish scales were investigated and the optimal technological parameters were separately to be 1∶20 (g/mL), 120 min and 3.5 %. Under the optimal conditions, decalcification rate was 95.23 %. SEM results showed that decalcification could be favorable for the extraction of fish scale protein.
文章编号:201716017     中图分类号:    文献标志码:A
基金项目:中国博士后科学基金面上资助项目(2013M540211);天津市农业科技成果转化与推广项目“天津两种优势鱼种中餐工业化调 理食品加工关键技术的开发与应用”;天津科技大学科学研究基金资助项目(20110104);天津市东丽区科技型中小企业发展专项资金产学研合作项目“复合型鱼糜制品加工关键技术开发与应用”
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