Impact of storage temperature and duration on the nutritive content quality of Human Breastmilk

Gihan Ahmad, Naglaa M. Mostafa, T. Elzayat, G. Soliman, Eman Al Morsi, Eman Elhabashi
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Abstract

orld Health Organization recommends exclusive breastfeeding, for the first six months of the infant’s life, due to the unique composition of breast milk (BM). For working nursing mothers, practicing exclusive breastfeeding can be a challenge. Objectives: To assess the effect of storing BM at different temperatures and durations on selected macronutrients and micronutrients content. Methods: Sixty BM samples were collected in sterile polypropylene containers from twenty mothers at the National Nutrition Institute. Samples from each mother were divided into 3 sets: the first was analyzed immediately, the second were analyzed after storage in refrigerator first shelf (4:6C) for 24 hours, the third were analyzed after storage in the freezer (-4:-8C) for one week. Results: Refrigeration resulted in a statistically significant decrease in the Vitamin A and C content of BM while freezing resulted in a statistically significant decrease in Lactose, Vitamin A, C, and E content of BM. Despite all declines in the studied macronutrients and micronutrients, their concentrations remained within the acceptable international reference ranges. Conclusion: Breastfeeding practice should not be stopped or replaced. Changes found in stored BM were found to be of little significance from the nutrition point of view.
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贮存温度和贮存时间对母乳营养成分质量的影响
世界卫生组织建议,由于母乳的独特成分(BM),在婴儿出生后的头6个月采用纯母乳喂养。对于职业哺乳母亲来说,实行纯母乳喂养可能是一项挑战。目的:评价不同温度和贮存时间对牛肉中选定的常量营养素和微量营养素含量的影响。方法:从国家营养研究所的20名母亲中收集60份BM样本,并将其放入无菌聚丙烯容器中。每个母亲的样品分为3组:第一组立即分析,第二组在冰箱第一架(4:6的频率)储存24小时后分析,第三组在冰箱第一架(- 4:8的频率)储存一周后分析。结果:冷藏导致BM中维生素a、C含量降低,有统计学意义;冷冻导致BM中乳糖、维生素a、C、E含量降低,有统计学意义。尽管所研究的大量营养素和微量营养素均有所下降,但其浓度仍在可接受的国际参考范围内。结论:母乳喂养不应停止或替代。从营养学的角度来看,储存BM的变化几乎没有意义。
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