Page 22 - PCC02

Glutamine beneficial, but chemically unstable ): NH4 accumulation
Protein supplements contain Glutamine
NH4 accumulation at 37oC of various protein supplements
Kleijkers et al. 2016a
Time since production of culture media has an effect on phenotype
• Culture media will chemically decompose
– Shelf life determined as the maximum time since production the culture media may be used
– Based in general on chemical analysis and biological assays (MEA)
• A large study (1832 IVF/ICSI cycles) found an association between birth weight and age of the culture media
Kleijkers et al. 2015b
22
Page 16 of 151