| abstract |
Disclosed is a novel high pullulan content product containing pullulan having an average molecular weight less than 250,000, said product being prepared by continuously cultivating a microorganism capable of producing pullulan in a nutrient culture medium containing a 10-20 w/v % saccharide while controlling the viscosity of the nutrient culture medium to a level below 30cp. The product can be advantageously used in a variety of fields such as a viscosity-imparting agent, coating agent, adhesive, formed product, food product, cosmetic, pharmaceutical, and material for agriculture, forestry, stock raising and paper processings, as well as for mining and manufacturing industries. |