Pullulan,is a natural,water-soluble polysaccharide fermented from sucrose. Available as white or light yellow powder, it is tasteless and odorless. It is stable at room temperature. It has a low glycemic index with low insulinemic response. Pullulan is natural water-soluble polysaccharide, fermented by Auveobasidium Pullulans. It consists mainly of maltotriose units linked through glucosidic bonds. The average molecular weight is 2×105 Da. Pullulan can be developed into various products. It is an excellent filmformer, producing a film which is heat sealable with good oxygen barrier properties. It can be used widely in both the pharmaceutical and food industries, such as encapsulating agents, adhesives, thickening, and extending agent.