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1 2012

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Quantitative analysis of marker constituent swertisin in Enicostemma hyssopifolium verdoon by RP-HPLC and HPTLC

Patel M. B, Mishra S. H.

Acta Chromatographica

2012

Vol. 24, no. 1

85--95

Methods based on RP-HPLC and HPTLC with UV detection for rapid quantitative determination of marker component in Enicostemma hyssopifolium, swertisin are described. The recovery of the compound was between 96.3–101.5% by HPTLC method and 98.9–100.2% by HPLC assay. The relative standard deviations ranged between 1.53–1.81 (intra-day) and 1.33–1.96 (inter-day) for HPTLC and 0.60–1.11 (intra-day) and 0.80–1.20 (inter-day) for HPLC. The methods were used for routine analysis of swertisin in the aerial parts of the plant. HPTLC method was found to be more economic and less time consuming than HPLC. Reproducibility and recovery in HPLC method were better than that in HPTLC method.