Figure 3. Thin layer chromatographic profile of root extract of Withania somnifera and Ruellia tuberose [WS- Withania somnifera root extract; RT- Ruellia tuberosa root extract]

From

Comparative Pharmacognostic Study of Different Parts of Withania somnifera and its Substitute Ruellia tuberosa

Luxmini. K.P.A.M.K, Dharmadasa. R.M, Samarasinghe, K. Muthukumarana. P.R.M

World Journal of Agricultural Research. 2015, 3(1), 28-33 doi:10.12691/wjar-3-1-7