Pharmaceutical Applications and Patents in Natural Polymer Based Drug Delivery System

Natural polymers have shown an increasing interest in the field of medical science. These have been used in the different dosage form that helps in the sustain and control release of drug. Now a day natural polymers are used in novel and conventional dosage form directly or indirectly. Natural polymers used in various formulations like microspheres, nanoparticles, tablets, gels, implants, niosomes, liposomes etc have shown the additional effect which is helpful in growing up the property of the system. This review summarizes the applications of various natural polymers used in different drug delivery system.