Figure 1

HPTLC profiles (overlay) of different plant parts of Swertia chirata (mobile phase: ethyl acetate-formic acid-glacial acetic acid–water: 100-11-11-26), Track 1–4 (standard mangiferin: 200 ng, 400 ng, 600 ng and 800 ng respectively, Rf-0.47), Track 5, 6 and 7 are stem, leaf and root, respectively.