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| 强脉冲磁场对牛奶的杀菌效果及其营养成分的影响研究 | |
| 引用本文： | 高梦祥,马海乐,郭康权.强脉冲磁场对牛奶的杀菌效果及其营养成分的影响研究[J].农业工程学报,2005,21(3):181-184. |
| 作者姓名： | 高梦祥 马海乐 郭康权 |
| 作者单位： | 1. 江苏大学生物与环境工程学院,江苏镇江,212013;长江大学生命科学学院,湖北荆州,434025 2. 江苏大学生物与环境工程学院,江苏镇江,212013 3. 西北农林科技大学机械与电子工程学院,陕西杨凌,712100 |
| 基金项目： | 江苏省教育厅“青蓝工程”学术带头人资金资助项目 |
| 摘 要： | 利用脉冲磁场对鲜奶进行杀菌试验，并与传统加热杀菌作了比较，测定了菌落总数和大肠菌群的残留率及主要鲜奶成分含量的变化。结果表明：经磁场杀菌后的牛奶，菌落总数和大肠菌群数可达到商业无菌要求。与热杀菌相比，脉冲磁场杀菌时间短、效率高、营养损失小、基本保持了鲜奶的天然色泽和风味。 |
| 关 键 词： | 杀菌 脉冲磁场 牛奶 微生物 品质 |
| 文章编号： | 1002-6819(2005)03-0181-04 |
| 收稿时间： | 2003/11/5 0:00:00 |
| 修稿时间： | 1/5/2005 12:00:00 AM |
Sterilization effect of pulsed magnetic field and its influence on milk nutrient components |
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| Gao Mengxiang,Ma Haile and Guo Kangquan.Sterilization effect of pulsed magnetic field and its influence on milk nutrient components[J].Transactions of the Chinese Society of Agricultural Engineering,2005,21(3):181-184. | |
| Authors: | Gao Mengxiang Ma Haile and Guo Kangquan |
| Abstract: | The milk was sterilized utilizing the self-designed device for pulsed magnetic field. At the same time, the survival rates of the total aerobic bacterial counts and coliform bacteria were detected. Then the protein, lactose and deoxidized vitamin C content were measured. Results show that the total aerobic bacterial counts and coliform bacteria satisfied the requirements of food business. Comparing with heat pasteurization, the losses of protein, lactose and deoxidized vitamin C were less, the color was not significantly affected by pulsed magnetic field. |
| Keywords: | sterilization pulsed magnetic field milk microorganism quality |
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