We thank Dr. O. Vieira (Center for Neurosciences and Cell Biology, University of Coimbra, Portugal) for the kind gift of the mouse macrophage-like cell line RAW 264.7, Ervital® for the provision of the plant, Dr. J. Paiva (Botany Department, Uni-versity of Coimbra, Portugal) for the plant classification and the Laboratory of NMR of University of Coimbra, integrated in the National NMR Spectrometry Network (RNRMN) of Portu-gal, for the 1H NMR spectra.