| 极低频电磁场影响Nisin发酵生产的工艺研究 |
| |
| 引用本文： | 李志强,赵勇,吴兆亮,郑辉杰.极低频电磁场影响Nisin发酵生产的工艺研究[J].食品研究与开发,2010,31(8). |
| |
| 作者姓名： | 李志强 赵勇 吴兆亮 郑辉杰 |
| |
| 作者单位： | 河北工业大学,化工学院,天津,300130 |
| |
| 摘 要： | 在发酵罐的外部循环管路上加螺线圈,通过控制磁场的强度、发酵液的循环速度和磁场的暴露时间3个因素来对磁场存在下Nisin的发酵进行研究并寻求其最优工艺.采用响应面法中的中心组合试验设计法得到3个因素的最佳条件,通过对试验数据的分析,在最优条件电流0.43A,气速0.56L/min,暴露时间7 h时,Nisin效价提高27%.
|
| 关 键 词： | 乳链菌肽 磁场 发酵 响应面 中心组合设计 |
The Process Study on the Effect of the Extremely Low Frequency Magnetic Field on Nisin Production |
| |
| LI Zhi-qiang,ZHAO Yong,WU Zhao-liang,ZHENG Hui-jie.The Process Study on the Effect of the Extremely Low Frequency Magnetic Field on Nisin Production[J].Food Research and Developent,2010,31(8). |
| |
| Authors: | LI Zhi-qiang ZHAO Yong WU Zhao-liang ZHENG Hui-jie |
| |
| Affiliation: | LI Zhi-qiang,ZHAO Yong,WU Zhao-liang,ZHENG Hui-jie(School of Chemical Engineering and Technology,Hebei University of Technology,Tianjin 300130,China) |
| |
| Abstract: | The pipe of the external circulation of the fermentation tank was inserted in solenoid,by controlling the magnetic field strength,circulation rate,and magnetic field exposure time,the effect of extremely low frequency(ELF)magnetic field on Nisin production was studied and the optimum process was sought.Response surface methodology and Central Composite Design(CCD)were applied to design and optimize the factors for the Nisin production.The optimized conditions were as below:the current was 0.43 A,the rate of... |
| |
| Keywords: | Nisin magnetic field fermentation response surface methodology central composite design |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
