Chemical Characterization and Antibacterial Properties of Fontitrygon margarita (Günther, 1870) Liver Oil

Table 2

Fatty acid profile of Fontitrygon margarita liver oils according to the extraction method.

Fatty acids	Common name of fatty acid	Oil extracted by cooking-pressing (%)	Oil extracted by exudation (%)
C12:0	Lauric acid	0.03 ± 0.01^a	0.12 ± 0.05^b
C14:0	Myristic acid	2.73 ± 0.26^a	2.64 ± 0.34^a
C16:0	Palmitic acid	9.96 ± 1.30^a	9.94 ± 1.96^a
C17:0	Margaric acid	0.20 ± 0.04^a	0.25 ± 0.04^a
C18:0	Stearic acid	2.40 ± 0.24^a	2.50 ± 0.33^a
C20:0	Arachidic acid	0.30 ± 0.09^a	0.40 ± 0.06^a
C22:0	Béhénic acid	0.16 ± 0.03^a	0.15 ± 0.04^a
C24:0	Lignoceric acid	0.08 ± 0.01^a	0.07 ± 0.01^a
ΣSFA		15.86 ± 1.57^a	16.07 ± 2.41^a
C12:1	Lauroleic acid	2.60 ± 0.39^a	2.58 ± 0.26^a
C16:1	Palmitoleic acid	3.25 ± 0.64^a	2.96 ± 0.44^a
C17:1	Heptadecenoïc acid	0.17 ± 0.05^a	0.34 ± 0.05^b
C18:1	Oleic acid	41.90 ± 4.59^a	41.23 ± 5.19^a
C20:1 ω6	Eicosatetraenoïc acid	4.45 ± 0.44^a	4.42 ± 1.24^a
C22:1	Erucic acid	3.25 ± 0.55^a	3.50 ± 0.69^a
C24:1 ω9	Nervonic acid	0.35 ± 0.06^a	0.38 ± 0.07^a
ΣMUFA		55.97 ± 8.40^a	55.41 ± 7.20^a
C18:2 ω6	Linoleic acid	12.92 ± 1.66^a	13.07 ± 1.96^a
C18:3 ω3	α-Linolenic acid	4.71 ± 0.71^a	4.70 ± 1.32^a
C18:3 ω6	γ-Linolenic acid (GLA)	0.15 ± 0.02^a	0.32 ± 0.09^b
C18:4 ω3	Stearidonic acid (moroctique)	0.84 ± 0.11^a	0.82 ± 0.12^a
C20:4 ω6	Eicosatetraenoïc acid (ETA)	0.30 ± 0.04^a	0.40 ± 0.05^b
C20:4 ω6	Arachidonic acid	0.29 ± 0.06^a	0.29 ± 0.03^a
C20:5 ω3	Eicosapentaenoïc acid (EPA)	3.05 ± 0.40^a	3.06 ± 0.46^a
C22:4 ω6	Docosapentaenoïc acid (DPA)	0.13 ± 0.02^a	0.16 ± 0.03^a
C22:5 ω3	Docosapentaenoïc acid	1.35 ± 0.13^a	1.30 ± 0.36^a
C22:5 ω6	Docosahexaenoïc acid (DHA)	0.08 ± 0.01^a	0.10 ± 0.01^a
C22:6 ω3	Docosahexaenoïc acid (DHA)	4.35 ± 0.43^a	4.30 ± 0.56^a
ΣPUFA		28.17 ± 3.88^a	28.52 ± 4.23^a
Total fatty acids		100.00 ± 0.00^a	100.0 ± 0.00^a
Number of fatty acids		26	26
Σω3		14.3 ± 1.86^a	14.18 ± 2.55^a
Σω6		13.87 ± 1.37^a	14.34 ± 2.15^a
Σω3/Σω6		1.03 ± 0.13^a	0.98 ± 0.17^a
ΣPUFAs/ΣSFA		1.77 ± 0.27^a	1.78 ± 0.32^a
DHA/EPA		1.45 ± 0.14^a	1.44 ± 0.26^a

PUFA: polyunsaturated fatty acids; MUFA: monounsaturated fatty acids; SFA: saturated fatty acids.
In the same row, the numbers with the same letters are not significantly different (),  =3.