LisosanG is a fermented flour that contains polyphenols,polyunsaturated fatty acids,vitamins,and alpha-lipoic acid with antioxidant/anti-inflammatory properties.These compounds are often characterized by instability,l...LisosanG is a fermented flour that contains polyphenols,polyunsaturated fatty acids,vitamins,and alpha-lipoic acid with antioxidant/anti-inflammatory properties.These compounds are often characterized by instability,low solubility/bioavailability,and poor absorption that restrict their application in therapy.These problems can be solved by using delivery systems among which liposomes have emerged as prominent candidates.Liposomes can load compounds with varied physico-chemical properties,providing protection from degradation,increased solubility,modulation of release,and facilitated diffusion across biomembranes.Lisosan G liposomes tailored for oral administration were prepared.Eudragit®enteric polymer was added to protect the liposomes from acidic pH.The Eudragit-liposomes were around 100 nm and unilamellar.They were resistant to acidic conditions and did not alter cell viability,nor intracellular ROS levels.These findings confirm that liposomes are an efficient system for the loading of multicomponent-based extracts and that,when properly formulated,can offer protection from physiological degradation,and be safely applied to cells.展开更多
基金funded by the Spanish Government(AEI)and European Union(FEDER)(project PID2021-124848OB-I00)by the Generalitat de Catalunya(2021 SGR 00507).
文摘LisosanG is a fermented flour that contains polyphenols,polyunsaturated fatty acids,vitamins,and alpha-lipoic acid with antioxidant/anti-inflammatory properties.These compounds are often characterized by instability,low solubility/bioavailability,and poor absorption that restrict their application in therapy.These problems can be solved by using delivery systems among which liposomes have emerged as prominent candidates.Liposomes can load compounds with varied physico-chemical properties,providing protection from degradation,increased solubility,modulation of release,and facilitated diffusion across biomembranes.Lisosan G liposomes tailored for oral administration were prepared.Eudragit®enteric polymer was added to protect the liposomes from acidic pH.The Eudragit-liposomes were around 100 nm and unilamellar.They were resistant to acidic conditions and did not alter cell viability,nor intracellular ROS levels.These findings confirm that liposomes are an efficient system for the loading of multicomponent-based extracts and that,when properly formulated,can offer protection from physiological degradation,and be safely applied to cells.
