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 ± 0.80^a	2.3 ± 0.23^a	102.42 ± 1.20^a	2.36 ± 0.14^a	3.34 ± 0.17^a	2.85 ± 0.17^a	9.04 ± 0.27^a
Oil extracted by exudation	16.90 ± 1.51^b	2.15 ± 0.84^a	106.65 ± 5.01^a	3.2 ± 0.14^b	3.57 ± 0.34^a	3.32 ± 0.8^a	10.21 ± 1.94^a
Codex Alimentarius Norm 2017	/	≤3		≤10	≤5	≤20	/

In the same column, the numbers with the same letters are not significantly different (),  =3.