Sensitive high-performance thin-layer chromatographic method for the estimation of diospyrin, a tumour inhibitory agent from the stem bark of Diospyros montana Roxb

  • Ravishankara M
  • Shrivastava N
  • Jayathirtha M
 et al. 
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Diospyrin, a tumour inhibitory agent from the stem bark of Diospyros montana was isolated and characterised. A sensitive high-performance thin-layer chromatographic (HPTLC) method was developed for the estimation of diospyrin. The method was validated for precision (intra- and inter-day), repeatability and accuracy. The method was found to be precise, with the RSDs for intra-day in the range of 0.72-1.85% and RSDs for inter-day in the range of 1.06-2.95%, for different concentrations. Instrumental precision and repeatability of the method were found to be 0.086 and 0.937 (% CV), respectively. Accuracy of the method was checked by performing the recovery study at two levels and average percentage recovery was found to be 97.87%. The developed HPTLC method was adopted for the estimation of diospyrin content of the stem bark of D. montana from different regions, which varied from 0.35 to 0.47% (w/w) in the samples. Copyright (C) 2000 Elsevier Science B.V.

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  • Diospyrin

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  • M. N. Ravishankara

  • Neeta Shrivastava

  • M. G. Jayathirtha

  • Harish Padh

  • M. Rajani

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