This book is useful for pharmacy graduates, post graduates and researchers who wish to pursue their research in phytochemistry. In this book, Chapter 1 deals with the extensive information related to antioxidant and free radical scavenging activity in general and plant profile of Mimusops elengi in specific. Chapter 2 deals with the literature survey related to Mimusops elengi. Chapter 3 deals with phyto chemical investigation includes collection of the plant material, processing, extraction, fractionation and their TLC profile study in order to get information related to phyto constituents present in the plant. Chapter 4 deals with the antioxidant study of the plant extracts by different methods. Chapter 5 deals with the summery and conclusion of the present investigation.