Yes, UV-C may be used. The use of an UV-C irradiation-based system is considered to be promising approach to mitigate the risk of adventitious agents in cell culture media arising through animal derived products.
UV-C exposure did not show any notable impact on the nutritional properties of culture media.
Please refer to the research article attached for more information.
Article Ultraviolet-C irradiation for inactivation of viruses in foe...