| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a useful substance, comprising culturing cells using a medium for cell culture comprising an additive for promoting useful substance production.SOLUTION: An additive for promoting useful substance production comprises polysaccharides represented by the formula (1) or derivatives thereof. There is also provided a method for producing a useful substance, comprising the step of culturing cells using a medium for cell culture comprising the additive for useful substance production. In the formula, n is a weight average molecular weight and falls within 10,000-3,000,000.SELECTED DRAWING: Figure 1 |
