| abstract |
The invention pertains to the use of C 2 -C 6 alpha-hydroxy acids selected from L-3-phenyl lactic acid, mucic (galactaric) acid, gluconic acid, glucaric acid, glyceric acid, 2-hydroxy butyric acid, alpha-hydroxyisovaleric acid, alpha-hydroxyisocaproic acid and erythronic acid and combinations thereof, as a growth- and production promoting ingredient, in culture media for culturing eukaryotic cells. The invention further pertains to culture media containing these alpha-hydroxy acid derivatives at levels of at least 0.001 mg/l. |