Research Article
Chemical Characterization and Antibacterial Properties of Fontitrygon margarita (Günther, 1870) Liver Oil
Table 1
Extraction yield and quality indexes of Fontitrygon margarita liver oil according to the extraction method.
| | Extraction yield (%w/w) | Acid value (mgKOH/g) | Iodine value (gI2/100 g) | Thiobarbituric acid value (μmol MDA/kg) | Peroxide value (meqO2/kg) | Anisidine value | Totox |
| Oil extracted by cooking-pressing | 14.49 ± 0.80a | 2.3 ± 0.23a | 102.42 ± 1.20a | 2.36 ± 0.14a | 3.34 ± 0.17a | 2.85 ± 0.17a | 9.04 ± 0.27a | Oil extracted by exudation | 16.90 ± 1.51b | 2.15 ± 0.84a | 106.65 ± 5.01a | 3.2 ± 0.14b | 3.57 ± 0.34a | 3.32 ± 0.8a | 10.21 ± 1.94a | Codex Alimentarius Norm 2017 | / | ≤3 | | ≤10 | ≤5 | ≤20 | / |
|
|
In the same column, the numbers with the same letters are not significantly different ( ), =3. |