Humans, animals and plants have been existing on the earth since time immemorial. Plants are the greatest organic chemists of the earth. In the laboratory of nature, they carry out complex organic syntheses with ease to manufacture complicated chemical compounds with an amazing degree of accuracy, structures and characteristics. The different properties of the plants and their products are due to the presence of chemical compounds in them. A number of compounds belonging to different classes have already been isolated and characterized. The aim of this book is to provide a simple, concise and collective description about the isolation and characterization of chemical compounds from the different parts of the plants. This book will be immensely useful to students, researchers, academicians, scientists, industrialists, and the people who are interested in the field of phytochemistry.