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食品研究与开发:2016,37(8):178-184
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臭氧水对鲜切藕片保鲜效果的影响
李新楠1,王洪斌1,严守雷1,李洁1,王清章1,2,*
(1. 华中农业大学 食品科技学院,湖北 武汉 430070;2. 武昌工学院 食品工程学院,湖北 武汉 430065)
Effects of Ozonated Water on Storage Properties of Fresh-cut Lotus Root
LI Xin-nan1, WANG Hong-bin1, YAN Shou-lei1, LI Jie1, WANG Qing-zhang1,2,*
(1. College of Food Science and Technology, Huazhong Agriculture University, Wuhan 430070, Hubei, China;2. College of Food Engineering, Wuchang Institute of Technology, Wuhan 430065, Hubei, China)
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投稿时间:2015-02-12    
中文摘要: 为了探讨臭氧水复合保鲜剂处理对鲜切藕片的保鲜效果,采用臭氧水(1.2 mg/L)、复合保鲜剂(0.2 %植酸+0.5 % 氯化钠+0.2 %氯化钙)、臭氧水(1.2 mg/L)加复合保鲜剂(0.2 %植酸+0.5 %氯化钠+0.2 %氯化钙)处理鲜切藕片,以蒸馏水 浸泡作为对照,并贮藏在 4 ℃环境下,研究不同处理对鲜切藕片品质和生理的影响。研究结果表明,臭氧水加复合保鲜剂(0.2 %植酸+0.5 %氯化钠+0.2 %氯化钙)处理能够降低鲜切莲藕的失重率和菌落总数,有效延缓丙二醛含量的上升和藕 片 L* 值的下降,抑制 PPO 的活性,防止褐变;同时使可溶性固形物和硬度维持在较高水平。总之,臭氧水加复合保鲜剂(0.2 %植酸+0.5 %氯化钠+0.2 %氯化钙)处理有利于提高鲜切藕片贮藏期间的品质,有效延长鲜切藕片的贮藏保鲜期。
中文关键词: 鲜切藕片  臭氧水  保鲜剂  品质
Abstract:In order to determine the effectiveness of ozonated water treatment with solution on the preservation of fresh-cut lotus root,the fresh-cut lotus root was treated with four treatments;with distilled water as control, ozoned water with concentrations of 1.2 mg/L treatment ,with solution (0.2 %PA+0.5 %NaCl+0.2 %CaCl2) and ozonated water treatment with solution (0.2 %PA+0.5 %NaCl+0.2 %CaCl2),all stored at 4℃.The result showed that ozonated water treatment with solution(0.2 %PA+0.5 %NaCl+0.2 %CaCl2)could reduce the weight loss rate and total plate count of fresh-cut lotus root,prevent MDA content rising and lightness index decreasing, restrain the activities of PPO,at the same time,maintain a higher hardness and soluble solid content.Thus,treatments with ozonated water treatment with solution (0.2 %PA+0.5 %NaCl+0.2 %CaCl2) can effectively effectively im- prove the fresh-cut lotus root storage quality and extend the shelf life of fresh-cut lotus root.
文章编号:201608043     中图分类号:    文献标志码:A
基金项目:“十二五”国家科技支撑计划项目(2012BAD27B03)
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