Fig. 3

HPLC profiles of fractions F4.1-F4.7. In parentheses are the masses obtained after column chromatography. Column: Zorbax Eclipse XDB-C18 column (4.6 × 250 mm, 5 μm); Injection: 10μL at 10 mg mL⁻¹; Eluent: H2O + 0.1% HCOOH and CH3CN + 0.1% HCOOH; Program: 5% held for 5 min, 5% to 20% in 20 min, 20% to 90% in 5 min, 90% held for 10 min; Flow: 1 mL min⁻¹; Detection: UV 254 ± 50 nm