Natural Product Communications 2006 Volume 1,NUMBER 12 Contents Original paper Page S m Nahe and evaluation of Their anti-HIV activity 1073 Giovanni Vidari 1079 Kenyaloside,a Novel ,0.O-Triglycosylated Naphthalene Derivative from the Exudate of Danicla Moni ergoCrpa Paola Cairi Caro F.Morelli ad PaoloMat 1085 New Flavonoid Glycosides from Chrozophora senegalensis and Their Antioxidant Activity cesco De one,Alessandra Braca,Rokia Sanogo, omma 1089 NI,N2,N3-Trisisopentenyl Guanidine and NI,N2-Diisopentenyl guanidine,Two Cytotoxic Alkaloids 1097 Indole Monoterpenes with Antichemotactic Activity from Psychotriamrintha S-Pire 1.Farias,Andrew Marston,Emerson F.Queiroz,Celia G.Chaves, 1101 HPLC Based Activity Profiling for Inhibitors of Human Neutrophil Elastase in /satis tinctoria 1107 n Gaile Nni mil Beron Pod Nllo e Maa Varia noids Co in Diffe nt e and Franco Francesco Vincieri 1111 Francesco Menichini,Elena Trinciarelli and Luisa Pistelli 1117 1123 Hypericum perforatum L H.maculatum Crantz.,H.calycinum L and H.pulchrum L: and M 1129 Chemical Composition and Antimicrobial Activities of Essential Oil of Stachys glutinosa L. from Sardinia Pintore Giorgio,Chessa Mario,Manconi Paola,Zanetti Stefania,Deriu Antonella and Tirillini Bruno 1133 f pa Giovanna Palazzino Continued overleafNatural Product Communications 2006 Volume 1, NUMBER 12 Contents Original paper Page Triterpenes from Maytenus macrocarpa and Evaluation of Their Anti-HIV activity Sonia Piacente, Lourdes Campaner Dos Santos, Naheed Mahmood and Cosimo Pizza 1073 New Oxidized 4-Oxo Fatty Acids from Hygrophorus discoxanthus Gianluca Gilardoni, Marco Clericuzio, Alberto Marchetti, Paola Vita Finzi, Giuseppe Zanoni and Giovanni Vidari 1079 Kenyaloside, a Novel O,O,O-Triglycosylated Naphthalene Derivative from the Exudate of Kenyan Aloe Species Giovanna Speranza, Daniela Monti, Sergio Crippa, Paola Cairoli, Carlo F. Morelli and Paolo Manitto 1085 New Flavonoid Glycosides from Chrozophora senegalensis and Their Antioxidant Activity Antonio Vassallo, Giuseppina Cioffi, Francesco De Simone, Alessandra Braca, Rokia Sanogo, Angelo Vanella, Alessandra Russo and Nunziatina De Tommasi 1089 N1,N2,N3-Trisisopentenyl Guanidine and N1,N2-Diisopentenyl guanidine, Two Cytotoxic Alkaloids from Alchornea cordifolia (Schumach.& Thonn.) Müll. Arg. (Euphorbiaceae) Root Barks Hélène Mavar-Manga, David Chapon, Sara Hoet, Sébastien Block, Marie-Claire. De Pauw-Gillet and Joëlle Quetin-Leclercq 1097 Indole Monoterpenes with Antichemotactic Activity from Psychotria myriantha Cláudia A. Simões-Pires, Fabianne M. Farias, Andrew Marston, Emerson F. Queiroz, Célia G. Chaves, Amélia T. Henriques and Kurt Hostettmann 1101 HPLC Based Activity Profiling for Inhibitors of Human Neutrophil Elastase in Isatis tinctoria Leaf Extracts M. Hamburger, H. G. Rüster and M. F. Melzig 1107 Variation in Artemisinin and Flavonoids Content in Different extracts of Artemisia annua L. Anna Rita Bilia, Caterina Gabriele, Maria Camilla Bergonzi, Pedro Melillo de Malgalhaes and Franco Francesco Vincieri 1111 Antifungal Evaluation of Hypericum triquetrifolium Polar Extracts Against Fusarium spp Daniele Fraternale, Alessandra Bertoli, Laura Giamperi, Anahi Bucchini, Donata Ricci, Francesco Menichini, Elena Trinciarelli and Luisa Pistelli 1117 Antioxidant Activity Analysis for the Selection of Rosmarinus officinalis L. Juan Antonio Garbarino, Nicolás Troncoso, Pia Delpiano, Loreto Carvajal and Alessandra Russo 1123 Hypericum perforatum L., H. maculatum Crantz., H. calycinum L. and H. pulchrum L.: Phytochemical and Morphological Studies Gelsomina Fico, Sara Vitalini, Noemi Colombo and Franca Tomè 1129 Chemical Composition and Antimicrobial Activities of Essential Oil of Stachys glutinosa L. from Sardinia Pintore Giorgio, Chessa Mario, Manconi Paola, Zanetti Stefania, Deriu Antonella and Tirillini Bruno 1133 Molecular Identification of Panax ginseng C.A. Meyer in Ginseng Commercial Products Paola Del Serrone, Lucilla Attorri, Bruno Gallinella, Francesca Romana Gallo, Elena Federici and Giovanna Palazzino Continued overleaf