Distinct effects of virgin coconut oil supplementation on the glucose and lipid homeostasis in non-diabetic and alloxan-induced diabetic rats
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Non-diabetic and alloxan-induced diabetic rats were fed with standard laboratory food enriched with 20% virgincoconut oil for 16 weeks. In non-diabetic animals coconut oil improved insulin sensitivity and ability to controlglycaemia and decreased the serum triglycerides for almost 50% in comparison with controls. Supplementationwith coconut oil caused liver steatosis in both non-diabetic and diabetic animals. However, the severity ofsteatosis was lower in diabetic animals compared to non-diabetic animals. Coconut oil had no effects on hearthistology, ascending and abdominal aorta wall thickening and atherosclerotic plaques development neither innon-diabetic nor in diabetic animals. While alloxan treatment caused Type I diabetes in rats, supplementationwith coconut oil in combination with the alloxan unexpectedly resulted in Type II diabetes. The development ofsevere insulin resistance and deterioration in serum lipid profile implied that the use of coconut oil is contra-indicated in di...abetic condition.
Keywords:Alloxan-induced diabetes / Coconut oil / Glucose homeostasis / Inflammation / Lipid homeostasis / Rats
Source:Journal of Functional Foods, 2020, 64