Solubilization of non-steroidal anti-inflammatory drugs in the presence of tween series surfactants

Author: Yiyun Cheng   Jiepin Yang  

Publisher: Taylor & Francis Ltd

ISSN: 0031-9104

Source: Physics and Chemistry of Liquids, Vol.44, Iss.3, 2006-06, pp. : 249-256

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Abstract

The aqueous solubility of non-steroidal anti-inflammatory drugs (NSAIDs) Ketoprofen, Ibuprofen, Diflunisal and Naproxen were measured in the presence of the Tween series surfactants at 37°C. Results showed that the solubility of NSAIDs in the Tween solutions was approximately proportional to Tween concentration; the ability of Tween series surfactants to solubilize NSAIDs in the present study was Tween-80>Tween-60>Tween-40>Tween-20; the order of increased solubility of NSAIDs in Tween series surfactants at a constant Tween series and concentration was Ibuprofen>Ketoprofen>Diflunisal>Naproxen. Under suitable conditions Tween series surfactants can be highly effective used to enhance the solubility of NSAIDs.