Punjab

A Detailed Review on Novel Mucoadhesive System

About Authors:
Singh Deep Hussan*, Roychowdhury Santanu
Sri Sai college of pharmacy, badhani,
pathankot
*hussannijjar@gmail.com

Abstract:
Mucoadhesion is the prevalent interest in the design of drug delivery systems. Mucoadhesion can be defined as the state in which two materials, at least one of which is biological (mucosa) in nature, are held together for a prolonged time period by means of interfacial forces. This mucoadhesive system offers many advantages as it allows for reduction in daily administrations and daily drug dosage and is suitable for the treatment of irritation, pain, and discomfort associated with gingivitis, sore throats, laryngopharyngitis, cold, and periodontal surgery. Moreover, it adheres well to the gum and is very simple to apply, which means that patient compliance is improved. Mucoadhesive drug delivery system are designed to enable prolonged residence time of the dosage form at the site of application or absorption and facilitate an intimate contact of the dosage form with the underline absorption surface. The present review describes mucoadhesion, mucoadhesive polymers and their classification, stages, mechanism and theories of mucoadhesion and factors affecting them along with its evaluation. However, the research on mucoadhesives, is still in its early stage and further advances need to be made for the successful translation of the concept into practical application in controlled drug delivery.

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PHYTOSOMES: AN EMERGING TECHNOLOGY FOR IMPROVING PHYTOCHEMICAL BIOAVAILABILITY- A REVIEW

About Author:
Ramandeep Kaur
Assistant Professor, CT Institute of Pharmaceutical Sciences,
Jallandhar- 143001
deepraman_18@yahoo.in

ABSTRACT
Phytosomes are little cell like structure which are also termed herbosomes which are formed by complexation of the polyphenolic phytoconstituents in molar ratio with phosphatidylcholine. Bioavailability of flavonoid containing phytomedicines, is reported to be low and erratic due to limited absorption, elevated presystemic metabolism and rapid elimination. But their phytosomal formulations show improved absorption, enhanced delivery and increased bioavailability of phytochemicals than the conventional herbal extracts containing dosage forms. Phytosome technology has been effectively used to enhance the bioavailability of many popular herbal extracts e.g. milk thistle, grape seed, green tea, hawthorn, etc. The improved pharmacokinetic and pharmacological properties of phytosomes make them suitable for the treatment of serious degenerative disorders. This article reviews the recent trends and applications of various herbal extract phytosomes as a tool of drug delivery system and as an emerging technology for increasing bioavailabity of phytoconstituents.

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