At higher temperatures, the concentration decrease
was monotonous, except at 60 min, and 65 C, for the two
independent kinetics. This decrease reached a plateau at 90 min
for the two batches at 65 C and at 20 min for the two batches at
85 C. Variability between batches for each temperature was low.
Overall, temperature accelerated folate degradation, the plateau
being reached more rapidly at 85 C than at 65 C or 45 C. However,
folate degradation was not complete; the level of the C1/C0
ratio was 20% both at 45 C and 65 C.