The author (Dr. N.K.Mathur) of this book retired as Chairman and Professor, Department of Chemistry, JNV. University at Jodhpur-3, India. Dr. Mathur has carried extensive research in varied fields of chemistry, particularly on polysaccharides. He has worked as a consultant and adviser for galactomannan industries. He has helped in "Human resource development" and carried "Industrial research' on polysaccharides. He has visited several countries world-over, and lectured in seminars/ symposium. He has authored over one hundred research papers, reviews and science article and international monographs.

General Introduction to Carbohydrates. Galactomannan Polysaccharides. Hydrocolloids or Gums. Interactions of Galactomannans. Rheology of Hydrocolloids. Derivatization of Polysaccharides. Guar Gum: The Premium Galactomannan. Locust Bean Gum, or Carob Gum. Fenugreek Gum: The New Food Galactomannan. Tara Gum: An Exclusive Food Additive with Limited Production. Cassia toraGum: An Emerging Commercial Galactomannan. Miscellaneous, Less Common Galactomannans and Glucomannans.