Khanh Nguyễn

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Rutin is a flavonol glycoside, which has been reported to have antioxidant, anti-inflammatory,  antithrombotic, antineoplastic, inhibit ultraviolet radiation-induced cutaneous oxidative stress  and inflammation. The oral bioavailability of Rutin is very low. Phyto-phospholipid complex (phytosomes) is helpful in enhancing oral bioavailability and transdermal permeation of Rutin. Rutin phytosomes were prepared by using phosphatidylcholine (PC) and cholesterol by solvent evaporation and spray drying method. The physicochemical properties of phytosomes were  evaluated using particle size analyses, polydispersity index, Zeta potential, encapsulation efficiency, furrier transformation infrared spectroscopy (FTIR), differential scanning calorimetry (DSC) and X-ray diffraction (XRD). Phytosomes with the rutin: PC: cholesterol molar ratios of 1:1:0.2 were prepared by spray drying showed the lowest particle size (266.4 nm), the highest encapsulation efficiency (95.61%). Results of the FT-IR, DSC and XRD studies confirmed the  phyto-phospholipid complex formation.