The effects of supplementation with blueberry, cyanidin-3-O-β-glucoside, yoghurt and its peptides on obesity and related comorbidities in a diet-induced obese mouse model
2019
Min Shi | Michael L. Mathai | Guoqin Xu | Andrew J. McAinch | Xiao Q. Su
It is widely acknowledged that type 2 diabetes mellitus (T2DM) is associated with obesity, insulin resistance and hypertension. Cyanidin-3-O-β-glucoside (C3G), an anthocyanin in blueberry, and peptides with angiotensin converting enzyme (ACE) inhibitory activity derived from yoghurt are potentially beneficial for numerous health conditions including improving insulin resistance and glucose intolerance. In this study, the synergistic/additive effects of combined supplementations with blueberry and yoghurt, and C3G and peptides were determined. Blueberry and yoghurt alone, and the combination of C3G and peptides significantly reduced both systolic and diastolic blood pressure in diet-induced obese mice. Yoghurt supplementation significantly reduced body weight, percentage body fat and improved intraperitoneal glucose tolerance. Furthermore, peptides and the combination of peptides and C3G resulted in a significant reduction of percentage body fat and improved intraperitoneal glucose tolerance. As widely available, safe and nutritious foods, blueberry and yoghurt showed therapeutic potential in the treatment of obesity, diabetes and hypertension.
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