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  • Title: Determination of noscapine, hexylresorcinol and anethole in cough lozenges by liquid chromatography.
    Author: Lucangioli S, Fernández Otero G, Rodríguez V, Carducci CN.
    Journal: Boll Chim Farm; 1996 Jun; 135(6):387-90. PubMed ID: 8942066.
    Abstract:
    A liquid chromatographic method was developed for the simultaneous separation and determination of noscapine hydrochloride, hexylresorcinol and anethole in cough lozenges. Analysis was performed on a phenyl column with phosphate buffer- acetonitrile as mobile phase and the separated components were detected at 282 mm. Recoveries obtained for the analytes were of 94.6% for noscapine hydrochloride, 99.1% for hexylresorcinol and 96.3% for anethole. The values of the relative standard deviation were 0.8% for noscapine hydrochloride, 1.5% for hexylresorcinol and 1.1% for anethole. The analytical method was validated and a system suitability test was accomplished for the chromatographic method.
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