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Rutin phospholipid complexes confer neuro-protection in ischemic-stroke rats†
Hafsa Ahmad,Abhishek Arya,Satish Agrawal,Prachi Mall,Sheeba Saji Samuel,Komal Sharma,Pankaj Kumar Singh,Sandeep Kumar Singh,Guru Raghavendra Valicherla,Kalyan Mitra,Jiaur Rehman Gayen,Sarvesh Paliwal,Rakesh Shukla,Anil Kumar Dwivedi
RSC Advances Pub Date : 10/10/2016 00:00:00 , DOI:10.1039/C6RA17874J
Abstract

Rutin, a natural flavonol glycoside is known to possess significant radical scavenging properties which might have beneficial effects in cerebral ischemia. However its oral administration and pharmaceutical use is limited due to its poor aqueous solubility and bioavailability. The current investigation aimed at development of rutin–phospholipid complexes (Ru–PLC's) and its characterization to provide neuro-protective effects in brain injury following stroke. Ru–PLC's were successfully fabricated and findings demonstrated improvement in bio-pharmaceutical properties on the basis of solubility, partition coefficient, dissolution profile, morphology, zeta potential, physical stability, FT-IR, DSC-TGA, forced degradation, photolytic degradation, ROS detection and oral pharmacokinetic studies. Ru–PLC's considerably improved functional outcomes in experimental stroke (MCAO model in rats) at a dose less than half of the effective dose of rutin. Effectiveness of treatment as evident from pharmaceutical properties as well as therapeutic activity was of the following order: Ru–EPLC > Ru–TPLC > rutin.

Graphical abstract: Rutin phospholipid complexes confer neuro-protection in ischemic-stroke rats
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