冷存储对巴氏消毒捐赠人乳中巨量营养素,矿物质和免疫成分含量的影响
Miori Tanaka1, Kasumi Takayama1, Midori Date1
1The Nippon Foundation Human Milk Bank, Chuo-ku, Tokyo, Japan.
概括
在-30°C下保存长达12个月的巴氏化供体母乳 (PDHM) 对早产婴儿保持安全和营养稳定. 没有检测到细菌生长,关键营养素在整个储存期间保持一致.
科学领域:
- 新生儿营养新生儿营养
- 人类牛奶研究 人类牛奶研究
- 食品科学 食品科学 食品科学
背景情况:
- 化供体人乳 (PDHM) 对于早产婴儿至关重要,当母乳无法获得时.
- 在全球范围内,PDHM的储存做法各不相同,日本使用-30°C.
- 长期储存在-30°C对PDHM质量的影响尚未得到充分证实.
研究的目的:
- 为了评估冷PDHM在-30°C的6个月,9个月和12个月的影响.
- 为了确定对细菌生长和营养含量的影响.
- 为PDHM提供最佳储存准则.
主要方法:
- 实验室研究分析营养和细菌稳定性的实验研究.
- 20个PDHM样品在巴氏杀菌后在-30°C下储存.
- 在不同时间点对细菌数量,宏观营养素,矿物质,sIgA和乳酸的分析.
主要成果:
- 在整个12个月的储存期间,PDHM样本中没有检测到细菌污染.
- 碳水化合物和含量分别在9个月和12个月时呈现最小的增加.
- 蛋白质,脂肪,,,sIgA和乳酸的度保持稳定.
结论:
- 在-30°C保存12个月以上的PDHM在细菌含量方面是安全的.
- 在长期冷储存在-30°C时,PDHM的营养质量保持不变.
- 这种储存时间适合用于新生儿护理的PDHM.
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