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The Mesenteric Lymph Duct Cannulated Rat Model: Application to the Assessment of Intestinal Lymphatic Drug Transport
Published on: March 6, 2015
[Tissue distribution of solid lipid nanoparticles loaded garlic oil in rats]
1Department of Pharmacy, General Hospital of Shenyang Military Region, Shenyang 110016, China. sunxh4545@163.com
Objective:
To investigate the tissue distribution of the diallyl disulfide (DADS) and diallyl trisulfide (DATS) in solid lipid nanoparticles loaded garlic oil (GO-SLN) in rats.
Method:
The gas chromatography-electron capture detection (GC-ECD) method was established to determined the DADS and DATS simultaneously in the biological samples of rats after administration of 0.5 mL garlic oil injection or GO-SLN (containing about 10 mg garlic oil) via jugular vein cannula. The conditions for gas chromatographic separation were as follows. The oven temperature was set at 110 degrees C and maintained for 15 min. Temperatures at the injection port and detector were 180 degrees C and 300 degrees C, respectively. Ultra-pure nitrogen (purity > 99.999%, Shenyang Kerui Special Gases Co. Ltd., China) was used as a carrier gas and made-up gas at flow-rates of 1 mL x min(-1) and 60 mL x min(-1), respectively. All injections were carried out in the split injection mode with a split ratio of 1:10.
Result:
The GC-ECD method was fit for determing the concentration of DADS and DATS in garlic oil. The distribution character of GO-SLN in rats had changed to some extent and the concentration of GO-SLN in tissues was higher than that of GO-Injection.
Conclusion:
The SLN can elevate the passive targeting of drugs and lengthen their action time in tissues.
