Figure 4: TLC densitometric chromatograms of shanzhiside methyl esters in different Barleria species/varieties: A. plant parts of B. prionitis; B. various fractions of methanolic extract of B. prionitis; C. plant parts of B. cristata var. dichotoma; D. various fractions of methanolic extract of B. cristata var. dichotoma; E. whole plant of B. cristata (pink flower variety); F. whole plant of B. cristata (blue flower variety); G. plant parts of B. lupulina; AB: acetylbarlerin; B: barlerin; SME: shanzhiside methyl ester; Wp: whole plant; Lf: leaf; St: stem; Rt: root; ME: mother extract; HE: hexane soluble fraction of mother extract; CE: chloroform soluble fraction of mother extract; EAE: ethyl acetate soluble fraction of mother extract; BE: butanol soluble fraction of mother extract.