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  • Title: Nanostructured lipid carriers as a delivery system of biochanin A.
    Author: Wang Q, Cheng H, Zhou K, Wang L, Dong S, Wang D, Chen W.
    Journal: Drug Deliv; 2013 Nov; 20(8):331-7. PubMed ID: 24111887.
    Abstract:
    The aim of this study was to explore the nanostructured lipid carriers as a delivery system of biochanin A so as to supply a method to improve its bioavailability. Biochanin A-loaded nanostructured lipid carriers (BCA-NLCs) were prepared by the method of emulsion-evaporation and low temperature solidification. Pharmacokinetics was carried out in rats upon oral administration at a dose of 10 mg/kg. BCA-NLC showed spherical formulation and had mean diameter 174.68±0.96 nm, zeta potential -20.9±0.8 mv and entrapment efficiency 97.36±0.14%. DSC and XRD studies indicated that BCA was not in crystal state in NLC. In in vitro release study, the BCA from BCA-NLC exhibited a biphasic release pattern with burst release initially and sustained release afterwards. BCA-NLC showed higher AUC value and circulated in blood for a longer time than BCA suspension. The studies demonstrated that NLC could be a potential delivery system for BCA to improve bioavailability.
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