The flavonoid dioclein reduces the production of pro-inflammatory mediators in vitro by inhibiting PDE4 activity and scavenging reactive oxygen species - Guabiraba, R; Campanha-Rodrigues, A L; Souza, A L; Santiago, H C; Lugnier, C; Alvarez-Leite, J; Lemos, V S; Teixeira, M M (Eur J Pharmacol, 2010)