Breastmilk PUFA strongly associated with maternal dietary intake but not anthropometric parameters and breastmilk carotenoids

M.A. Zielinska-Pukos , J. Bryś , A. Wesolowska , J. Hamulka
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Abstract

Background

Long chain polyunsaturated fatty acids (PUFA) and the optimal n-6/n-3 fatty acids ratio are essential for proper neurodevelopment in infancy. This study aimed to evaluate the association between breastmilk fatty acid intake and maternal dietary intake, anthropometrics and breastmilk carotenoid levels.

Methods

This observational, prospective study included 44 women in the first, third, and sixth month of lactation. At each study visit, maternal anthropometric measures were assessed and breastmilk samples were collected and assessed for fatty acids and carotenoids. At the third and sixth month, maternal diet was evaluated by three-day foods record.

Results

Mean breastmilk docosahexaenoic (DHA) was 0.58%, 0.47%, and 0.49%, respectively at the 1, 3, and 6 month (p ≤ 0.05). Mean DHA intake were higher in month 3 compared to 6: 357 vs. 169 mg/day. Pre-pregnancy BMI was associated with SFA, PUFA, and n-6 PUFA at 1 month, whereas current BMI to SFA at months 1 and 3. DHA was correlated with lycopene, total carotenoids at 1 month and total carotenoids at month 3, whereas n-3 PUFA to lycopene at 1 month. DHA, n-3 PUFA, n-6 PUFA and saturated (SFA) levels were associated with its dietary intake both at months 3 and 6, AA/DHA and LA/ALA ratios only at month 3.

Conclusions

Maternal intake of PUFA and n-6/n-3 ratios were a good predictor of its breastmilk composition, whereas pre-pregnancy and current BMI, as well as breastmilk carotenoids had a limited influence.

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母乳PUFA与母亲的饮食摄入量密切相关,但与人体测量参数和母乳类胡萝卜素无关
长链多不饱和脂肪酸(PUFA)和最佳的n-6/n-3脂肪酸比例对婴儿正常的神经发育至关重要。本研究旨在评估母乳脂肪酸摄入量与母亲膳食摄入量、人体测量和母乳类胡萝卜素水平之间的关系。方法:这项观察性前瞻性研究包括44名哺乳期第一、第三和第六个月的妇女。在每次研究访问中,对母亲的人体测量测量进行评估,并收集母乳样本并评估其脂肪酸和类胡萝卜素。在第3个月和第6个月,通过3天的食物记录来评估母亲的饮食。结果1、3、6月龄母乳中DHA含量分别为0.58%、0.47%、0.49% (p≤0.05)。3个月的平均DHA摄入量比6个月高:357毫克/天比169毫克/天。怀孕前BMI与1个月时的SFA、PUFA和n-6 PUFA相关,而当前BMI与1和3个月时的SFA相关。DHA在1个月时与番茄红素、总类胡萝卜素和第3个月时与总类胡萝卜素相关,而n-3 PUFA在1个月时与番茄红素相关。DHA、n-3 PUFA、n-6 PUFA和饱和脂肪酸(SFA)水平在第3个月和第6个月均与日粮摄入量有关,AA/DHA和LA/ALA比值仅在第3个月与日粮摄入量有关。结论母亲摄入多聚脂肪酸和n-6/n-3比值是其母乳成分的一个很好的预测指标,而孕前和目前的BMI以及母乳类胡萝卜素的影响有限。
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来源期刊
Prostaglandins, leukotrienes, and essential fatty acids
Prostaglandins, leukotrienes, and essential fatty acids Clinical Biochemistry, Endocrinology, Diabetes and Metabolism
CiteScore
5.30
自引率
0.00%
发文量
0
审稿时长
64 days
期刊最新文献
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