Table 8.

Stability of ChA in beagle faeces under various storage conditions (Mean ± SD, n = 3).

Nominal conc. (μg/mL)	4 °C/8 h (extracted sample)	Room temp./6 h	−70 °C/3 freeze/thaw cycles	−70 °C/7 d
129.2	101.11 ± 1.22	87.18 ± 1.50	96.43 ± 4.06	99.88 ± 1.69
12.92	101.04 ± 1.16	86.17 ± 2.13	96.18 ± 1.07	98.62 ± 1.34
1.292	91.37 ± 1.93	105.12 ± 11.35	100.41 ± 2.78	101.46 ± 3.21