Figure 2.

Thin layer chromatogram of four Echium species ethanol extracts from roots and aerial parts

EIKK: Chloroform extract of E. italicum roots, EIKKK: Chloroform extract of E. italicum root barks, EIKE: Ethanol extract of E. italicum roots, EIH: Ethanol extract of E. italicum aerial parts, EAK: Ethanol extract of E. angustifolium roots, EAH: Ethanol extract of E. angustifolium aerial parts, EVK: Ethanol extract of E. vulgare roots, EVH: Ethanol extract of E. vulgare aerial parts, EPK: Ethanol extract of E. parviflorum roots, and EPH: Ethanol extract of E. parviflorum aerial parts