Fatty Acid Profile and Selected Chemical Contaminants in Yellowfin Tuna From the Arabian Sea

Figures & data

TABLE 1 Elemental contents (wet weight basis) in the muscle of yellowfin tuna

Elements	Mean ± SD (mg kg^–1)	Range (mg kg^–1)	Daily intake (mg)^a
Co	0.59 ± 0.43	0.315-2
Cr	0.71 ± 0.26	0.329-1.38
Cu	0.81 ± 0.31	0.305-1.39	1-1.5
Fe	11.0 ± 4.77	7.88-30.2	15
K	2834 ± 495	2412-3790	2000-5900
Mn	0.38 ± 0.26	0.188-1.57	2-5
Na	892 ± 211	745.6-998	<2300
Ni	0.94 ± 0.50	0.223-2.21	0.025-0.03
Sr^b	0.53 ± 0.15	0.3-0.864	1-5
V	0.29 ± 0.17	0.113-0.66
Zn	6.61 ± 3.01	2.53-39.8	10-15
Hg	0.13 ± 0.09	0.036-0.447
Cd	0.016 ± 0.03	0.008-0.116
Pb	0.029 ±0.08	0.011-0.298

^aBelitz et al. (2004).^[2]

^bAcu-Cell (2007).

TABLE 2 Fatty acid profile of yellowfin tuna (mean ± standard deviation)

Fatty acid (mg 100 g^−1 tissue)	Mean	SD
Capric Acid Methyl Ester (C10:0)	0.849	0.399
Undecanoic Acid Methyl Ester (C11:0)	0.168	0.160
Lauric Acid Methyl Ester (C12:0)	0.825	0.428
Tridecanoic Acid Methyl Ester (C13:0)	1.065	0.631
Myristic Acid Methyl Ester (C14:0)	10.84	6.50
Pentadecanoic Acid Methyl Ester (C15:0)	3.677	2.567
Palmitic Acid Methyl Ester (C16:0)	118.8	56.40
Heptadecanoic Acid Methyl Ester (C17:0)	4.871	2.182
Stearic Acid Methyl Ester (C18:0)	41.51	12.54
Arachidic Acid Methyl Ester (C20:0)	3.322	2.522
Behenic Acid Methyl Ester (C22:0)	0.659	0.407
Tricosanoic Acid Methyl Ester (C23:0)	3.686	2.42
Lignoceric Acid Methyl Ester (C24:0)	0.301	0.254
Others	5.90	3.01
Σ SFA	196.56	68.17
Myristoleic Acid Methyl Ester (C14:1)	0.236	0.137
cis-10-Pentadecenoic Acid Methyl Ester (C15:1)	0.726	0.579
Palmitoleic Acid Methyl Ester (C16:1)	11.02	4.33
cis-10-Heptadecenoic Acid Methyl Ester (C17:1)	2.666	1.174
Elaidic Acid Methyl Ester (C18:1n9t)	11.101	6.94
Oleic Acid Methyl Ester (C18:1n9c)	54.36	22.81
cis-11-Eicosenoic Acid Methyl Ester (C20:1)	3.070	1.333
Erucic Acid Methyl Ester (C22:1n9)	1.679	1.340
Σ MUFA	84.87	34.5
Linolelaidic Acid Methyl Ester (C18:2n6t)	0.857	0.816
Linoleic Acid Methyl Ester (C18:2n6c)	6.528	5.805
Gamma-Linolenic Acid Methyl Ester (C18:3n6)	3.271	3.261
Linolenic Acid Methyl Ester (C18:3n3)	3.670	2.707
cis-11,14-Eicosadienoic Acid Methyl Ester (C20:2)	1.729	1.605
cis-8,11,14-Eicosatrienoic Acid Methyl Ester (C20:3n6)	2.337	1.523
cis-11,14,17-Eicosadienoic Acid Methyl Ester (C20:3n3)	4.626	2.242
Arachidonic Acid Methyl Ester (C20:4n6)	14.384	7.00
cis-13,16-Docosadienoic Acid Methyl Ester (C22:2)	3.043	2.139
cis-5,8,11,14,17-Eicosapentaenoic Acid Methyl Ester (C20:5n3)	29.35	13.64
cis-4,7,10,13,16,19-Docosahexaenoic Acid Methyl Ester (C22:6n3)	148.28	64.4
Σ PUFA	218.09	86.05
Σn3	185.2
Σn6	32.15
n3/n6	5.783
PUFA/SFA	1.10
DHA/EPA	5.052
TI	0.27
AI	0.43
h/H	1.97

SFA = Saturated fatty acid; MUFA = Monounsaturated fatty acid; PUFA = Polyunsaturated fatty acid/

TABLE 3 Dietary evaluation by consuming 100 g of the yellowfin tuna fish

Constituent	Recommended or typical daily intake	Yellowfin tuna
Protein (g)	91^a	24.82
Total fat (g)	65^a	2.88
Energy (K cal)	2000^a	302
SFA (g)	17^a	0.196
MUFA (g)	24^a	0.084
PUFA (g)	20^a	0.218
n-3 (PUFA mg)	300^b	185.9
DHA (mg)	200^c	148.2

^aDietary Guidelines for Americans (2005).

^bAHA (2003).^[4]

^cWHO (2008).^[3]

Belitz, H.D.; Grosch, W.; Schieberle, P. Food Chemistry; Springer-Verlag: Berlin Heidelberg, Germany, 2004, 201.

 Google Scholar

WHO. Expert Consultation on Fats and Fatty Acids in Human Nutrition, November, WHO, Geneva, 2008; 10–14.

 Google Scholar