人类牛奶微波解的可能性:对牛奶成分和温度分布的影响
Mizuho Ito1,2, Miori Tanaka1, Midori Date1
1The Nippon Foundation Human Milk Bank, Nihonbashi-koamicho, Chuo-ku, Tokyo, Japan.
概括
微波化母乳,虽然造成一些营养损失,但导致适合养的温度和最小的临床影响. 这种方法可能是一种可行的替代品,用于解产生的母乳.
科学领域:
- 人母奶的保存方法 人母奶的保存方法
- 哺乳期科学 哺乳期科学
- 食品科学与技术 食品科学与技术
背景情况:
- 结是保存母乳的标准,但由于营养损失和不均的加热,不建议微波解.
- 关于母乳微波解后的组成变化和温度分布的数据有限.
研究的目的:
- 评估微波加热对母乳成分和温度分布的影响.
- 为了比较微波解与在流水中解.
主要方法:
- 35个母乳样品用600瓦的微波炉化了30秒.
- 在反向混合之前和之后,使用温度计测量温度分布.
- 分析了分泌免疫球蛋白A和乳酸的度.
- 使用中红外光谱进行了宏观营养素分析.
主要成果:
- 微波化显著降低了牛奶的温度,特别是在聚乙烯袋中.
- 逆转后混合,温度接近养建议.
- 在微波烤后,分泌性免疫球蛋白A (0.9-16.6%) 和乳二烯 (21.3-29.1%) 的度下降.
结论:
- 微波化导致组件损失,与既定值相比,这些损失在临床上并不显著.
- 可以最大限度地减少营养损失,这表明微波加热是解母乳的潜在选择.
相关概念视频
Physical Methods for Controlling Microbial Growth: Temperature
952
Heat is a widely used method to control microbial growth by targeting and denaturing cellular proteins, thereby killing or inactivating microbes. This method's effectiveness is quantified using parameters such as the thermal death point (TDP), thermal death time (TDT), and decimal reduction time (D value). TDP represents the lowest temperature at which all microorganisms in a liquid suspension are eliminated within 10 minutes, whereas TDT is the time necessary to achieve sterilization at a...
952
Factors Influencing Microbial Growth: Temperature
1.1K
Microorganisms display remarkable adaptations, enabling them to thrive in diverse ecological niches across a wide range of temperatures. Temperature profoundly influences microbial growth by affecting enzymatic activity, membrane fluidity, and other cellular processes.Each microorganism operates within a specific temperature range defined by three cardinal points: minimum, optimum, and maximum. Below the minimum temperature, membranes lose fluidity, halting transport processes. Above the...
1.1K
Standing Waves in a Cavity
1.4K
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
1.4K


