Fig. 1

a TLC separation of components of the different plant extracts with BEA as eluent and vanillin-sulphuric acid spray reagent. b TLC separation of components of the different plant extracts with CEF as eluent and vanillin-sulphuric acid spray reagent. c TLC separation of components of the different plant extracts with EMW as eluent and vanillin-sulphuric acid spray reagent