Pullulan is a polysaccharide produced by the fungus Aureobasidium pullulans and possesses some distinct properties such as excellent transparent film–forming ability, moisture absorptivity, water solubility, non-toxicity, and adhesivity. These properties allow pullulan to find potential applications in various industries such as pharmaceuticals, cosmetics, food, and health care. This book presents the chemistry and properties of pullulan, along with the method of its production at the laboratory level. It discusses the structural engineering, processing methods, and versatile applications of pullulan, as well as highlights the challenges that still have to be overcome for its large-scale production. This unique book comprehensively summarizes many of the recent research findings on pullulan, contributed by leading experts in this research domain. It is a useful reference book for scientists, academicians, researchers, chemists, technologists, graduate and postgraduate students, and general readers who are interested in pullulan.