Phytochemical evaluation of Helleborus Species Growing in Northern Italy

Phytochemical evaluation of Helleborus Species Growing in Northern Italy Bufadienolide and Spirostanol Glycosides from the Rhizomes of <i>Helleborus </i><i>o</i><i>rientalis</i> Alkaloids and triterpenoids of Symphytum officinale Steroidal Glycosides from the Bulbs of <i>Ornithogalum </i><i>t</i><i>hyrsoides</i> Ecdysteroids from Vitex canescens The isolation and characterization of hellebrigenin 3-acetate and hellebrigenin 3,5-diacetate, bufadienolide tumor inhibitors from Limonoids from Spiranthera odoratissima St. Hil Anthraquinones, pre-anthraquinones and isoeleutherol in the roots of Aloe species Two New Triterpenoids from the Roots of Codonopsis pilosula Spectroscopic identification and anti-biofilm properties of polar metabolites from the medicinal plant Helichrysum italicum against Pseudomonas aeruginosa