• DIPJYOTI BISWAS Department of Pharmaceutics, Himalayan Pharmacy Institute, East Sikkim, Sikkim, India.
  • SUDIP DAS Department of Pharmaceutics, Himalayan Pharmacy Institute, East Sikkim, Sikkim, India.
  • SOURAV MOHANTO Department of Pharmaceutics, Himalayan Pharmacy Institute, East Sikkim, Sikkim, India.
  • SHUBHRAJIT MANTRY Department of Pharmaceutics, Sharadchandra Pawar College of Pharmacy, Pune, Maharashtra, India.


The modified/regulated drug delivery system helps to sustain the delivery of the drug for a prolonged period. The modified drug delivery system is primarily aimed at ensuring protection, the effectiveness of the drug, and patient compliance. The transdermal drug delivery system (TDDS) falls within the modified drug delivery system, in which the goal is to deliver the drug at a fixed dose and regulated rate through the skin. Polymers are the backbone of the framework for providing transdermal systems. The polymer should be stable, non-toxic, economical, and provide a sustainable release of the drug. In general, natural polymers used in the TDDS as rate-controlling agents, protective, and stabilizing agents and also used to minimize the frequency of dosing and improve the drug’s effectiveness by localizing at the site of action. Nowadays, manufacturers are likely to use natural polymers due to many issues associated with drug release and side effects with synthetic polymers. Drug release processes from natural polymers include oxidation, diffusion, and swelling. Natural polymers may be used as the basis to achieve predetermined drug distribution throughout the body. The use of natural materials for traditional and modern types of dosage forms are gums, mucilages, resins, and plant waste etc. Thus, the main objective of this review article is to give a brief knowledge about the extraction, modification, characterization, and biomedical application of conventional natural polymers used in the transdermal drug delivery system and their future prospective.

Keywords: Natural polymer, polysaccharide, Gums, Mucilages, Extraction, Modification, Characterization, Application, Transdermal drug delivery system


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How to Cite
BISWAS, D., S. DAS, S. MOHANTO, and S. MANTRY. “EXTRACTION, MODIFICATION, AND CHARACTERIZATION OF NATURAL POLYMERS USED IN TRANSDERMAL DRUG DELIVERY SYSTEM: AN UPDATED REVIEW”. Asian Journal of Pharmaceutical and Clinical Research, Vol. 13, no. 7, Apr. 2020, pp. 10-20, doi:10.22159/ajpcr.2020.v13i7.37756.
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