Fig. 3From: The influence of Osmunda regalis root extract on head and neck cancer cell proliferation, invasion and gene expressionTLC chromatogram for polyphenolic acids and flavonoids of Osmunda regalis ethanolic extract: Osmunda regalis ethanolic extract (1), Standards: ferulic acid (Fer.), caffeic acid (Caff.), chlorogenic acid (Cl.), rosmarinic acid (Ros.), rutoside (R.), apigenin (A.)Back to article page