| 摘要 |
PROBLEM TO BE SOLVED: To provide a nutrient medium and a medium supplement which are suitable for culturing bacteria, yeasts, and animal and plant cells, and to provide a method for producing the nutrient medium and the medium supplement.SOLUTION: There is provided a powder nutrient medium, particularly a cell culture medium supplement containing powdered serum, and a method for producing the medium and the medium supplement. Further, there is provided a kit and a method for culturing prokaryotic cells and eukaryotic cells by using the dry powder nutrient medium and the medium supplement, a sterilization method by γ-ray irradiation, and a method for producing a medium including a process of spraying and drying cell suspension. Furthermore, there is provided a method for producing a sterilized powder medium, a medium supplement (powdered serum, powdered transferrin, powdered insulin, powdered growth factor, etc.), a medium sub-group, and a buffer agent formulation, and a produced cell, the produced medium, the produced medium supplement, the produced medium sub-group, and the produced buffer agent powder. |
