Medicinal Properties of Gmelina arborea leaves deals with the study of Phytochemical constituents & Free radical scavenging, Antioxidant, Antihelminthic and Cytotoxic activities. This book is organized into various contents such as Phytochemical constituents (Analysis of secondary metabolites), Free radical scavenging (DPPH, ABTS, Nitric oxide, Super oxide, Hydroxyl & Hydrogen peroxide assays) , Antioxidant (Enzymic & Non- Enzymic antioxidants), Antihelminthic (Using African earthworm - Eudrilus eugeina) and Cytotoxic (Brine Shrimp Leathality Assay)Activities. This book is supplemented with the assay procedures. This book would prove to be useful to students at all levels to understand the fundamental information in Gmelina arborea.