Table 3 Thin layer chromatography (TLC) of different parts of methanolic extracts of selected plants

Standards

Rf value

Caffeic acid

0.85

Quercitin

0.38

Rutin

0.97

trans-cinnamic acid

0.74

Salicylic acid

0.6

Plant extracts

Rf value

Aristolochia indica

0.23, 0.26, 0.31, 0.45, 0.56, 0.83

Cuscuta pedicellata

0.16, 0.2, 0.25, 0.35, 0.45, 0.61,

0.75, 0.83, 0.85

Melilotus indicus

0.20, 0.25, 0.34, 0.37, 0.56, 0.83

Tribulus terresteris (leaf)

0.16, 0.25, 0.30, 0.45, 0.75, 0.83

Tribulus terresteris (fruit)

0.16, 0.20, 0.27, 0.35, 0.48, 0.56,

0.75, 0.83, 0.85