Abstract
Rutin is a natural antioxidant compound with several therapeutic benefits. However, the application of this bioactive compound is limited due to its low stability and bioavailability. To overcome these limitations, this study aimed to encapsulate rutin into nanophytosomes (NPs) and evaluate the therapeutic potency of this nanocarrier in streptozotocin (STZ)-induced diabetic rats. The particle size, zeta potential, and encapsulation efficiency of the prepared NPs were 72.72 nm, −22 mV, and 93.7%, respectively. The in vivo study showed that the oral administration of rutin-loaded NPs (containing 25 mg rutin/kg per day) for 4 weeks was more effective than free rutin in the control of hyperglycemia and hyperlipidemia in the STZ-induced diabetic rats. Additionally, the administration of rutin-loaded NPs regulated the activities of liver marker enzymes and the levels of total hemoglobin and glycated hemoglobin in the diabetic rats. The antioxidant defenses in the diabetic rats were increased by the administration of rutin-loaded NPs more than free rutin. Moreover, the histopathological study showed that the administration of rutin-loaded NPs restored the diabetes-induced damages in kidney, liver, and pancreas. In conclusion, encapsulation of rutin with phytosomes is an effective technique to benefit from its therapeutic potential, especially to attenuate diabetic complications.
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