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Effects of Whole Milk Supplementation on Gut Microbiota and Cardiometabolic Biomarkers in Subjects with and without Lactose Malabsorption
Journal article   Open access   Peer reviewed

Effects of Whole Milk Supplementation on Gut Microbiota and Cardiometabolic Biomarkers in Subjects with and without Lactose Malabsorption

Xiaoqin Li, Jiawei Yin, Yalun Zhu, Xiaoqian Wang, Xiaoli Hu, Wei Bao, Yue Huang, Liangkai Chen, Sijing Chen, Wei Yang, …
Nutrients, Vol.10(10), 1403
10/02/2018
DOI: 10.3390/nu10101403
PMCID: PMC6213503
PMID: 30279333
url
https://doi.org/10.3390/nu10101403View
Published (Version of record) Open Access

Abstract

The aim of this study was to compare the impact of whole milk supplementation on gut microbiota and cardiometabolic biomarkers between lactose malabsorbers (LM) and absorbers (LA). We performed a pair-wise intervention study of 31 LM and 31 LA, 1:1 matched by age, sex, body mass index, and daily dairy intake. Subjects were required to add 250 mL/day whole milk for four weeks in their routine diet. At the beginning and the end of the intervention period, we collected data on gut microbiota and cardiometabolic biomarkers. Whole milk supplementation significantly increased Actinobacteria ( < 0.01), ( < 0.01), ( < 0.01), and ( = 0.04), and decreased ( = 0.04) in LM, but not LA. Microbial richness and diversity were not affected. The fecal levels of short-chain fatty acids (SCFAs) remained stable throughout the study. Body fat mass ( < 0.01) and body fat percentage ( < 0.01) reduced in both groups, but the changes did not differ between groups. No significant differences in other cardiometabolic markers were found between LM and LA. When compared with LA, whole milk supplementation could alter the intestinal microbiota composition in LM, without significant changes in fecal SCFAs and cardiometabolic biomarkers.
Lactose Intolerance - microbiology Milk - chemistry Humans Male Gastrointestinal Microbiome - physiology Biomarkers - blood Bifidobacterium - isolation & purification Lactose Intolerance - blood Young Adult Feces - microbiology Animals Milk - metabolism Adult Female Actinobacteria - isolation & purification Diet - methods

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