| 超声萃取－紫外分光光度法测定酸奶中的纳他霉素 |
| |
| 引用本文： | 周玉虎,常硕,赵慧芬.超声萃取－紫外分光光度法测定酸奶中的纳他霉素[J].国外电子测量技术,2009,28(7):78-79. |
| |
| 作者姓名： | 周玉虎 常硕 赵慧芬 |
| |
| 作者单位： | 北京奶牛中心乳品质量监督检验站,北京,100192 |
| |
| 摘 要： | 在甲醇和醋酸介质下，采用超声萃取进行前处理，建立一种紫外分光光度法快速测定酸奶中纳他霉素的方法。优化了超声萃取时间、波长、酸度等试验条件，并由正交试验进一步验证。对几种酸奶样品中纳他霉素进行测定，回收率均在92．89％～104．61％之间。
|
| 关 键 词： | 超声萃取 纳他霉素 酸奶 紫外分光光度法 |
Determination of natamycin in yoghourt by ultrasonic extraction and UV spectrophotometry |
| |
| Zuou Yuhu,Chang Shuo,Zhao Huifen.Determination of natamycin in yoghourt by ultrasonic extraction and UV spectrophotometry[J].Foreign Electronic Measurement Technology,2009,28(7):78-79. |
| |
| Authors: | Zuou Yuhu Chang Shuo Zhao Huifen |
| |
| Affiliation: | Beijing Dairy Cattle Centre Dairy Products Inspection Service;Beijing 100192;China |
| |
| Abstract: | A simple and fast method for the determination of trace Natamycin was developed under the methyl alcohol and acetic acid.The influence of wavelength,acidity were studied and the experimental conditions were optimized,which is confirmed by normal experimental design.The method was used to deal with kinds of yoghourt samples with the recovery between 92.89% and 104.61%. |
| |
| Keywords: | ultrasonic extraction Natamycin yoghourt UV spectrophotometry |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
