1. Department of Medical Pharmacology, Chemotherapy and Toxicology, Faculty of Medicine, University of Milan, Milan, Italy; C.R.A., I.V.T.P.A. (Institute of Technological Development of Agricultural Products), Milan, Italy; C.R.A., I.S.E. (Enology Experimental Institute), Velletri, Italy; C.N.R. (National Council of Research), Institute of Molecular Science and Technology, Milan, Italy; and Cardiovascular Research Center, University of Connecticut School of Medicine, Farmington, Connecticut 06030