Abstract
Molecular interactions between phospholipids and mangostin in a lipid bilayer have been investigated in terms of the maximum additive concentration (MAC) of mangostin in liposomes, the surface potential, particle size, microscopic-viscosity and microscopic-polarity of liposomes, and the permeability of glucose. The mangostin used is a natural product extract: 1,3,6-trihydroxy-7-methoxy-2,8-bis(3-methyl-2-butenyl)-9-xanthenenone. The MAC of mangostin was fairly dependent upon the nature of the liposomes (uncharged, negatively charged or positively charged). Solubilization of mangostin in the liposomal bilayer resulted in both an increase in the negative charge on the liposomal surface, strenghthening the state of the bilayer membrane, and a depression in the release of the glucose involved. Mangostin was found to temporarily stabilize the liposomal bilayer, although the bilayer membrane is still unstable in the long run.
Published Version
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