Papers presented at the National Workshop on Sustainable Management of Natural Gums and Resins, held at Jabalpur during 21-22 December 2012.

Deserts appear very fascinating during our short visits. However, the lives of plants and animals are very dif?cult under the harsh climatic conditions of high tempe- ture and scant water supply in deserts, sometimes associated with high concent- tions of salt. The editor of this book was born and brought up in the Great Indian Desert, and has spent much of his life studying the growth and metabolism of desert plants. It is very charming on a cool summer evening to sit at the top of a sand dune listening only to blowing air and nothing else. It has been my dream to prepare a volume on desert plants encompassing various aspects of desert plant biology. In this book, I have tried to present functional and useful aspects of the vegetation resources of deserts along with scienti?c input aimed at understanding and impr- ing the utility of these plants. The scant vegetation of deserts supports animal life and provides many useful medicines, timber and fuel wood for humans. Therefore, there are chapters devoted to medicinal plants (Chap. 1), halophytes (Chaps. 13, 14), and fruit plants (Chaps. 17, 20). Desert plants have a unique reproductive biology (Chaps. 9–11), well-adapted eco-physiological and anatomical charact- istics (Chap. 7), and specialised metabolism and survival abilities. These plants are dif?cult to propagate and pose many problems to researchers developing biote- nological approaches for their amelioration (Chaps. 18–20).

Gums, resins and latexes are a most widely used and traded category of non-wood forest products. The uses of gums embrace food, pharmaceutical and miscellaneous technical applications. Resins have an equally diverse range of applications including their use in paints, varnishes and lacquers, and flavours and fragrances. Latexes are used in specialised applications such as insulating materials and in the manufacture of golf balls and chewing gum. There has been a decline in their use due to competition from synthetic products. This document contains a review of the production, markets and developmental potential of a number of gums, resins and latexes.

Industrial Gums: Polysaccharides and their Derivatives, Second Edition covers the biochemical approaches to the modification and production of natural synthetic gums. This book is organized into two main parts encompassing 31 chapters. The first part deals with natural gums, including seaweed extracts, plant exudates and extracts, seed gums, and animal extracts. Considerable chapters in this part discuss the preparation, structure, derivatives, biosynthesis, and economics of these natural gums. The second part explores the industrial production, structure, and properties of synthetic gums, such as scleroglucan, dextrans, and starch and cellulose derivatives. Scientists, research workers, and manufacturers of both natural and synthetically prepared gums will find this book invaluable.