Research Article
Endogenous L-Carnosine Level in Diabetes Rat Cardiac Muscle
Table 3
Stability of carnosine in rat cardiac muscle.
| Concentration (μg⋅mL−1) | Accuracy (%) | RSD (%) | | Added | Found (mean ± SD) |
| Three freeze-thaw cycles | 1.02 | 1.10 ± 0.08 | 7.7 | 7.03 | 8.13 | 7.37 ± 0.22 | | 2.93 | 32.51 | 36.51 ± 0.99 | | 2.73 |
| Room temperature for 24 h | 1.02 | 0.97 ± 0.06 | | 5.74 | 8.13 | 8.55 ± 0.73 | | 8.56 | 32.51 | 35.86 ± 2.05 | | 5.71 |
| 1-month stability | 1.02 | 1.04 ± 0.11 | | 10.19 | 8.13 | 8.42 ± 0.16 | | 1.95 | 32.51 | 35.16 ± 1.68 | | 4.79 |
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