哺乳期前半年的母乳中巨量营养素度:一个队列研究
Jacqueline Muts1,2, Juliette I A Lukowski3, Jos W R Twisk4
1Department of Pediatrics, Emma Children's Hospital, Amsterdam UMC, Amsterdam, The Netherlands j.muts@amsterdamumc.nl.
Archives of disease in childhood. Fetal and neonatal edition
|November 12, 2024
概括
母乳的营养含量在哺乳期六个月以后保持稳定,一些成分在晚些时候增加. 这意味着母乳银行可以接受产后两年的捐赠.
科学领域:
- 人类生物学 人类生物学
- 营养科学 营养科学
- 哺乳期研究 哺乳期研究
背景情况:
- 人母奶的成分是动态的,对婴儿营养至关重要.
- 对母乳成分的研究主要集中在产后的前六个月.
- 关于长期哺乳期间母乳的营养变化存在有限的数据.
研究的目的:
- 为了研究母乳的营养成分,超过最初的六个月的哺乳期.
- 在延长的哺乳期中分析宏观营养素度 (蛋白质,碳水化合物,脂肪) 和热量密度.
主要方法:
- 这是一项回顾性纵向队列研究,利用了来自荷兰国家人乳银行的数据.
- 分析了来自86名捐赠者的820个母乳样本,这些样本是在分娩后5周至28个月之间收集的.
- 利用米瑞斯人乳分析仪和线性混合模型进行宏观营养素度的纵向分析.
主要成果:
- 人母乳蛋白度最初在前8个月下降,然后稳定,并在18个月后增加.
- 在整个研究期间,碳水化合物度保持一致.
- 脂肪度和热量密度在前8个月保持稳定,在产后18个月后显著增加.
结论:
- 在哺乳期六个月后,母乳的营养含量不会减少.
- 这些发现支持接受产后两年内母亲的母乳捐赠.
- 延长哺乳期提供了有营养价值的母乳.
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