Technological Aspects of Obtaining Liposomes Containing of a Complex of Biologically Active Substances Isolated from Deer Musk

In order to preserve and increase the biological effectiveness of biologically active substances isolated from deer musk, we studied technological aspects of obtaining a substance of lipid-stabilized stable nanoparticles from deer musk. The stability of the obtained substance was evaluated. It was found that homogenization under high pressure is an optimal approach to obtaining biologically active substances from deer musk. The modes of preparation of a liposomal form of biologically active substances with predetermined dispersion parameters (average particle diameter 250 ± 100 nm, polydispersity index 0.3 ± 0.1, and zeta potential from -5 to -35 mV) were determined. It was found that the high-pressure homogenizer “Donor-5” makes it possible to obtain liposomal dispersions with standard parameters and the degree of inclusion of musk biologically active substances up to 60%, at the same time as providing minimal oxidation and hydrolysis of phospholipids (oxidation index 0.3). Our studies showed that the use of a domestic phosphatidylcholine is economically justified and allows obtaining liposomal forms of proper quality. The quality indicators of the obtained liposomal substance were characterised by conventional analytical methods (dynamic light scattering, electron microscopy, gel chromatography, chromatography-mass spectrometry, etc.). On the basis of the results obtained, a draft specification was developed for a liposomal substance (powder) containing a complex of biologically active substances isolated from deer musk. The developed technology for obtaining a liposomal form of biologically active substances from deer musk can be scaled up in accordance with GMP requirements.

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