In vivo photoprotective and anti-inflammatory effect of hyperforin is associated with high antioxidant activity in vitro and ex vivo - Meinke, M C; Schanzer, S; Haag, S F; Casetti, F; Müller, M L; Wölfle, U; Kleemann, A; Lademann, J; Schempp, C M (Eur J Pharm Biopharm, 2012)