Table 6.
Recovery of different extraction variants
| Spiked total β-carotene, a mg/g
|
Recovered total β-carotene, mg/g
|
|||||
|---|---|---|---|---|---|---|
| Extraction variant | Negative control material No. | Mean | RSD, % (n = 3) | Mean | RSD, % (n = 3) | Recovery, %b |
| b | 2 | 2.05 | 0.5 | 2.04 | 1.5 | 99.7 |
| b | 2 | 398 | 0.5 | 396 | 0.3 | 99.5 |
| c,1 | 1 | 0.00876 | 2.1 | 0.00854 | 7.6 | 97.5 |
| c,2 | 1 | 1.023 | 0.5 | 0.999 | 1.2 | 97.6 |
| c,3 | 1 | 99.5 | 0.5 | 100.5 | 1.1 | 101.1 |
| d,1 | 1 | 0.00983 | 0.8 | 0.00996 | 4.3 | 101.3 |
| d,2 | 1 | 0.995 | 0.7 | 0.983 | 2.3 | 98.8 |
| d,3 | 1 | 99.5 | 0.5 | 101.6 | 2.0 | 102.1 |
a
Concentration determined after appropriate dilution of spiking solution.
b
Relative to amount of spiked total-β-carotene (= 100%).