NEW MICROPARTICLES CONTAINING ACTIVE SUBSTANCES

Microparticle, wherein said microparticle contains one or more active substance, said one or more active substance being water immiscible, wherein said one or more active substance is liquid (at 21 °C) or dissolved in a non-aqueous solvent S that is immiscible with water, and wherein said microparticle contains i) at least one phospholipid PL, ii) at least one sterol ST, iii) at least one at least one polypeptide PP, iv) optionally at least one polysaccharide PS that is overall positively charged, and v) optionally an inorganic salt IS capable of interacting with at least one of the components i) to iv) via formation of non-covalent bonds.