Wed, 22 Nov 2017

Formulation and Assessment of Mucoadhesive Microspheres of Quercetin Dihydrate Against Mustard Agent Poisoning

R. C. Jat1*, Suman Jain2, Kanika Arora3

1.Suresh Gyan Vihar University, Jaipur, Rajasthan.

2.School of Studies, Jiwaji University, Gwalior.

3.ShriRam College of Pharmacy, Banmore, Gwalior


ABSTRACT

In an endeavor to boost the prophylactic action of Quercetin Dihydrate against mustard agent poisoning, mucoadhesive microspheres, were formulated. The microspheres enclosed Quercetin Dihydrate, an adhesive polymer (ethyl cellulose) and a colon specific polymer (Eutragit S100). Microspheres were devised by an oil/water emulsification solvent evaporation method. Two variables polymer concentration and plasticizer concentration for formulation were used. The mean particle sizes of the prepared microspheres were found significantly increasing with polymer concentration and decreased with increasing plasticizer concentration. The drug entrapment effectiveness increased with increasing plasticizer concentration. The Percentage mucoadhesion increases with increasing concentration of ethyl cellulose but not much affected by concentration of eudragit. Drug entrapment efficiency was found in range of 73.35±2.7 (batch R1) to 80.61±1.54 (batch F5). The entire formulations had excellent flow property. The best fit release kinetic model was found to be Higuchi for all formulations, which indicated release from matrix type formulation. The In vivo studies on male wistar rats were conducted and plasma concentration time method was employed to study the influence of quercetin by formulating it as microspheres. By Statistical Analysis through sigma plot, the semi log plot of pure drug (Quercetin) and its microspheres shows linearity which indicates that they follow linear kinetics. Formulation of microspheres produced a sustained effect on its absorption and availability and several parameters are there which concluded that the microspheres of quercetin are better choice for mustard toxicity as compared to pure drug.

Keywords: Quercetindihydrate, mustard agent poisoning, mucoadhesive microspheres, polymers concentration, plasticizer concentration.


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