An Experimental Study on Human Milk Rheology: Behavior Changes from External Factors
An Experimental Study on Human Milk Rheology: Behavior Changes from External Factors
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DOI：
10.3390/fluids5020042
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发表时间：
2020-06-01
期刊：
影响因子：
1.9
通讯作者：
Hassanipour, Fatemeh
中科院分区：
文献类型：
--
作者：
Alatalo, Diana;Hassanipour, Fatemeh
研究了温度、贮存、老化、时间和剪切速率等外界因素对原料人乳一般流变学行为的影响。进行了旋转和振荡实验。人乳表现出非牛顿，剪切稀化，触变性行为与屈服和流动应力。贮存和老化增加了牛奶的密度，降低了粘度。一般来说，温度的增加降低了密度和粘度，在6-16摄氏度和超过40摄氏度之间注意到不一致的行为。非均匀的故障之间的屈服和流动应力被发现，再加上触变性，有助于确定营养物质的损失在管饲的来源。
The influence of external factors, including temperature, storage, aging, time, and shear rate, on the general rheological behavior of raw human milk is investigated. Rotational and oscillatory experiments were performed. Human milk showed non-Newtonian, shear-thinning, thixotropic behavior with both yield and flow stresses. Storage and aging increased milk density and decreased viscosity. In general, increases in temperature lowered density and viscosity with periods of inconsistent behavior noted between 6-16 degrees C and over 40 degrees C. Non-homogeneous breakdown between the yield and flow stresses was found which, when coupled with thixotropy, helps identify the source of nutrient losses during tube feeding.