1. Department of Chemistry, Susquehanna University, 514 University Avenue, Selinsgrove, Pennsylvania 17870, UCLA Center for Human Nutrition, David Geffen School of Medicine, 900 Veteran Avenue, Los Angeles, California 90095, and Bioactive Natural Products and Phytoceuticals, Department of Horticulture and National Food Safety and Toxicology Center, Michigan State University, East Lansing, Michigan 48824