Suppressive Effect of Caffeic Acid and its Derivatives on the Generation of UVA-induced Reactive Oxygen Species in the Skin of Hairless Mice and Pharmacokinetic Analysis on Organ Distribution of Caffeic Acid in ddY Mice - Hiroyuki Yasui; Yumiko Yamada; Hiromu Sakurai (Photochemistry and Photobiology, 2006)