1,272
Views
26
CrossRef citations to date
0
Altmetric
Research Article

Formulation, Characterization, and In Vitro Evaluation of Silymarin-Loaded Lipid Microspheres

, &
Pages 185-191 | Published online: 19 Oct 2008

Figures & data

1 Schematic presentation of lipid microspheres formulation.

1 Schematic presentation of lipid microspheres formulation.

Effect of various oils on the plain lipid emulsion formation and stability characteristics at room temperature (20 ± 5°C)

2 Effect of varying concentrations of surfactant (lecithin) on percent drug-holding capacity and sustainability of silymarin lipid emulsion.

2 Effect of varying concentrations of surfactant (lecithin) on percent drug-holding capacity and sustainability of silymarin lipid emulsion.

3 Effect of different cosurfactants on maximum percent drug-holding capacity and maximum sustainability of silymarin lipid emulsion.

3 Effect of different cosurfactants on maximum percent drug-holding capacity and maximum sustainability of silymarin lipid emulsion.

4 Effect of varying concentrations of cosurfactant (Tween 80) on percent drug-holding capacity and sustainability of silymarin lipid emulsion.

4 Effect of varying concentrations of cosurfactant (Tween 80) on percent drug-holding capacity and sustainability of silymarin lipid emulsion.

5 Effect of different levels of drug on the percent drug-holding capacity and sustainability in final composition of the lipid emulsion.

5 Effect of different levels of drug on the percent drug-holding capacity and sustainability in final composition of the lipid emulsion.

6 Transmission electron photomicrographs of silymarin-loaded lipid microspheres.

6 Transmission electron photomicrographs of silymarin-loaded lipid microspheres.

7 Graph depicting particle size distribution.

7 Graph depicting particle size distribution.

Oil phase separation studies of formulation A at room temperature (20 ± 5°C), at higher temperature (40 ± 5°C), and at lower temperature (4°C)

Effect of centrifugation (4000 rpm) on oil phase separation

Effect of different pH on formulation A (at 20 ± 5°C)

Drug leakage studies of formulation A at room temperature (20 ± 5°C) during storage period

Composition of silymarin formulations

8 Comparison of cumulative mean percent released vs time (h) for formulation (A) with (B). ⋄, Formulation A; ▪, Formulation B.

8 Comparison of cumulative mean percent released vs time (h) for formulation (A) with (B). ⋄, Formulation A; ▪, Formulation B.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.