Abstract
To study the tissue distribution of galactosyl daphnoretin liposomes in rats. At the dose of 10 mg•kg⁻¹, daphnoretin solution, daphnoretin liposomes, and galactosyl daphnoretin liposomes were administered to healthy SD rats via tail vein injection. The blood and tissue of heart, liver, spleen, lung, kidney, stomach, small intestine, brain and thymus were collected at 5, 15, 30, 45, 60, 120, 240, 360 min after administration. The concentrations of daphnoretin in plasma and tissue samples were determined by HPLC. The results showed that galactosyl daphnoretin liposomes group had the highest concentration of daphnoretin in liver of unit weight at different time points; and at all of the time points, the target index DTI values of galactosyl daphnoretin liposomes to liver were greater than that of daphnoretin liposomes. Compared with daphnoretin solution, the AUC0-6 and Cmax of galactosyl daphnoretin liposomes in liver were 2.23, 5.22 times, respectively. This indicated that galactosyl daphnoretin liposomes can be concentrated at liver, with a significant liver targeting effect.
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Schedule a callMore From: Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
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