Gabapentin Determination in Human Plasma and Capsule by Coupling of Solid Phase Extraction, Derivatization Reaction, and UV-Vis Spectrophotometry
| Author | Maryam Kazemipour | en |
| Author | Iman Fakhari | en |
| Author | Mehdi Ansari | en |
| Issued Date | 2013-07-31 | en |
| Abstract | Gabapentin is an anticonvulsant widely used in the treatment of epilepsy. No peculiar chromophore is available on the gabapentin moiety for direct analysis by absorption spectrophotometry. A sensitive spectrophotometric method for the determination of gabapentin in bulk, pharmaceutical formulations and human plasma has been developed. In this method, gabapentin directly derivatized with vanillin and analyzed without any extraction in bulk and pharmaceutical dosage form and in plasma samples, it was extracted with a reversed-phase solid-phase extraction (SPE) cartridge followed by derivatization with vanillin. Analysis was performed by a spectrophotometer system. The quantitation limit of gabapentin in human plasma was 0.8 mg/L. The method was linear over the concentration range of 10.0–90.0 mg/L and 0.8–10.0 mg/L for pharmaceutical dosage form and plasma, respectively. The method was precise (relative standard deviation, RSD | en |
| DOI | https://doi.org/10.22037/ijpr.2013.1347 | en |
| Keyword | Gabapentin | en |
| Keyword | Spectrophotometry | en |
| Keyword | Derivatization | en |
| Keyword | SPE | en |
| Keyword | Plasma | en |
| Keyword | Vanillin | en |
| Publisher | Brieflands | en |
| Title | Gabapentin Determination in Human Plasma and Capsule by Coupling of Solid Phase Extraction, Derivatization Reaction, and UV-Vis Spectrophotometry | en |
| Type | Original Article | en |
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