Sugar-sweetened beverages induced metabolic syndrome and its reversal using bitter melon extract
Sugar-sweetened beverages (SSBs) are known to cause metabolic pathologies increasing the risk for Type 2 diabetes mellitus and cardiovascular disorders. We aimed to determine the effects of chronic sugar intake on lipogenesis and glucose metabolism in mice and study if bitter melon extract (BME) can reverse this effect. BME was prepared using 50% ethanol as solvent, biochemical assays for the estimation of phenolic compounds, antioxidant, and anti-inflammatory activity was performed. Male Swiss albino mice were divided into seven groups (n=6): Control (group-1), Glucose (group-2), Glucose+BME (group-3), Sucrose (group-4), Sucrose+BME (group-5), Fructose (group-6), Fructose+BME (group-7). Each group was induced with 30% wt/vol of respective sugars for 8 weeks, and BME was supplemented (300 mg/kg body weight) to group-3, 5, and 7 along with sugars after 4 weeks of induction. Blood glucose and body weight measurements were performed every week for 8 weeks. Animals were sacrificed and retroperitoneal adipose tissue (RPAT) was collected along with blood for lipid profile estimation. RPAT was stained with hematoxylin & eosin and examined under the microscope for adipocyte cell count/size. Group-3, 5, and 7 presented a significant decrease in the body weight at 8th week when compared to their 4th-week bodyweight, a significant drop in blood glucose and all the lipid profile parameters when compared to their respective control groups, and group-3 and 5 presented a significant reduction in the size of the adipocyte upon treatment with BME. Due to the presence of high phenolic acids, antioxidants, and anti-inflammatory property BME has various health benefits and the potential to treat SSB-induced metabolic disorders.