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Published on: February 8, 2016
Probiotics enhance the recovery of gut atrophy in experimental malnutrition
Diana B Dock1, José E Aguilar-Nascimento, Marcia Q Latorraca
1Department of Nutrition & Dietetics, Nursing and Nutrition School, The Federal University of Mato Grosso, Brazil.
Aim:
The aim of this study was to evaluate the effect of probiotics on the recovery of the bowel atrophy induced by malnutrition in rats.
Methods:
Twenty-and-six Wistar rats (200-250g) were fed with either a normoproteic (sham group, n=6) or a free-protein diet (n=20) during 12 days. Twelve malnourished rats were randomized to recover during 15 days with either a hydrolyzed diet (control group, n=6) or the same diet enriched with probiotics (Streptococcus thermophilus and Lactobacillus helveticus; probiotic group, n=6).
Results:
Probiotic group showed similar gain of body, liver and bowel weight than controls. At the jejunum, both the villus height (383+/-49 vs. 321+/-46mm; p=0.04) and crypt depth (157+/-31 vs. 125+/-10mm; p=0.04) were greater in probiotic group than in controls. The crypt depth at the cecum (214+/-22 vs. 169+/-43 mm; p=0.05) and the wall width at both the cecum (410+/-18 vs. 340+/-61 mm; p=0.02) and sigmoid (479+/-130 vs. 330+/-62 mm; p=0.03) were higher in probiotic than in control group.
Conclusion:
Streptococcus thermophilus and Lactobacillus helveticus enhance the recovery of gut atrophy induced by malnutrition. Probiotics can be useful as oral adjuvants during the recovery of malnutrition.
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