| 物质依数性在掺水原料乳质量检测中的应用研究 |
| |
| 引用本文： | 林芳栋,蒋珍菊,曹蕊.物质依数性在掺水原料乳质量检测中的应用研究[J].安徽农业科学,2011(10):5920-5921. |
| |
| 作者姓名： | 林芳栋 蒋珍菊 曹蕊 |
| |
| 作者单位： | 西华大学生物工程学院 |
| |
| 基金项目： | 四川省教育厅科研基金项目(08ZC011)资助 |
| |
| 摘 要： | 目的]研究不同加水量对原料乳凝固点的影响。方法]采用SWC-LG凝固点测定仪测定不同含水量的原料乳凝固点,得出线性回归方程,进行重复性试验,并根据标准回归曲线计算原料乳的含水量。结果]含水量在0～10%的原料乳,其凝固点呈线性上升变化。重复性试验结果显示,利用该方法测得的牛乳凝固点的标准偏差和相对标准偏均小于1%。且牛乳盲样凝固点测得的牛奶浓度与实际掺水牛奶浓度相比,绝对误差不超过0.5%。结论]可根据凝固点来测定原料乳的含水量,且该方法可靠、重复性好。
|
| 关 键 词： | 原料乳 凝固点 含水量 |
Application of Colligative Properties in Quality Detection of Watering Raw Milk |
| |
| Institution: | LIN Fang-dong et al(School of Bioengineering,Xihua University,Chengdu,Sichuan 610039) |
| |
| Abstract: | Objective] To investigate the effects of water amount on freezing point of raw milk.Method] The freezing point of raw milk added water at different proportions was detected by SWC-LG freezing point detector.The linear regression equation was obtained.The reproducibility was checked.The water content in raw milk was calculated according to the standard regression curve.Result] When the water content changed from 0 to 10%,the freezing point of raw milk increased linearly.As evidenced by the reproducibility test,the standard deviation and relative standard deviation were less than 1%.The milk concentration obtained by detecting the freezing point of blind milk samples had an absolute error of no more than 0.5%,compared with actual watering milk concentration. |
| |
| Keywords: | Raw milk Freeing point Water content |
| 本文献已被 CNKI 维普 等数据库收录！ |
|
