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International Journal of Phytomedicine and Phytotherapy

Table 4 1H NMR (400 MHz, CDCl3) Spectral Data of CT2 and Stigmasterol in CDCl3

From: Characterization of in-vitro antioxidant, cytotoxic, thrombolytic and membrane stabilizing potential of different extracts of Cheilanthes tenuifolia and Stigmasterol isolation from n-hexane extract

PositionδH in ppm in CDCl3
Isolated compound (CT2)Stigmasterol [24]
33.57 (3H,m)3.52 (m)
65.334 (br, s)5.357 (br s)
180.696 (3H, s)0.699 (3H, s)
211.011(d, J = 7.6 Hz)1.02 (d, 7.5)
235.124 (m)5.14 m, 1H
260.793 (d, J = 7.2 Hz)0.795 (d, 6.5 Hz)
270.830 (d, J = 6 Hz)0.846 (d, 6.5 Hz)
290.811 (t)0.804 (t, 7.5 Hz)
  1. On the basis of NMR data, the isolated compound was confirmed as stigmasterol and structure of stigmasterol is shown in (Fig. 3)