AI Article Synopsis
- The study aimed to compare the effects of different breast expression methods on the nutrient composition of human colostrum, focusing on macronutrients and calories.
- Researchers collected colostrum samples using manual expression and electric pumping from the same donors, assessing key nutrients with infrared spectroscopy.
- Results showed that while carbohydrate and protein levels were similar between the two methods, manually expressed colostrum had higher lipid concentrations and more calories compared to that collected with an electric pump.
Article Abstract
Objective: To evaluate the effects of breast expression methods on macronutrient and caloric concentrations in human colostrum.
Study Design: A cross-sectional study in which colostrum samples were collected simultaneously from each breast using different milk expression methods, including manual expression or electric pumping, assigned by simple randomization. Macronutrients were measured by infrared spectroscopy, and their concentrations were compared by the Wilcoxon test.
Results: Ninety-six samples from each breast of selected donors were evaluated. There were no differences in carbohydrate (6.1 vs. 6.1 g/dL; p: 0.218) and protein (2.1 vs. 2.1 g/dL; p: 0.772) concentrations between the samples collected by manual expression and electric pumping. However, in those collected by manual expression, lipid concentrations (2.6 vs. 2.2 g/dL; p < 0.001) and caloric content (60 vs. 57 Kcal/dL; p = 0.001) were higher.
Conclusions: Colostrum collected by hand expression had a higher lipid concentration and caloric content than that collected by an electric pump.
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| http://dx.doi.org/10.1038/s41372-021-00989-9 | DOI Listing |
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