A Comparison of Proximate Composition And Fatty Acid Profile of Indus River Fish Species

Figures & data

Table 1 Proximate composition of fish muscle (%, wet basis)

	Component (%)
Species	Moisture	Ash	Fat	Protein
WA	78.80^a ± 0.43	2.90^b ± 0.14	0.85^d ± 0.25	17.00^c ± 0.12
OM	71.58^b ± 0.30	1.65^b ± 0.02	7.89^b ± 0.37	18.50^b ± 0.28
LC	77.00^a ± 0.20	2.30^b ± 0.09	0.98^d ± 0.20	18.83^b ± 0.29
BB	73.20^b ± 0.26	0.50^c ± 0.05	8.25^b ± 0.36	18.05^b ± 0.09
LG	79.45^a ± 0.50	0.05^c ± 0.02	1.50^c ± 0.21	19.00^a ± 0.15
CG	72.30^b ± 0.30	4.95^a ± 0.54	3.75^c ± 0.34	18.40^b ± 0.14
AA	77.03^a ± 0.20	2.02^b ± 0.12	1.78^c ± 0.21	19.05^a ± 0.28
EV	59.95^c ± 0.45	1.45^b ± 0.06	18.32^a ± 1.34	20.09^a ± 0.16
WA: Wallago attu; OM: Oreochromis mossambicus; LC: Labeo calbasu; BB: Bagarius bagarius; LG: Labeo gonius; CG: Clupisomagarua;AA: Aorichthys aor; and EV: Eutropiichthys vacha. Note: Values are given as mean ± S.D. from triplicate determinations. Different superscripts in the same column indicate significant differences (p < 0.05).

Table 2 Fatty Acid Composition of Total Lipids from Muscle of Indus River fishes (g/100 g Fatty acids)

Fatty acids	Species
	WA	OM	LC	BB	LG	CG	AA	EV
(a) Saturated fatty acid (SFA) composition (%)
C14:0	1.98^c ± 0.01	5.00^a ± 0.00	4.10^a ± 0.12	2.29^b ± 0.06	2.77^b ± 0.08	1.64^c ± 0.00	1.67^c ± 0.01	1.68^c ± 0.05
C15:0	0.81^c ± 0.03	2.74^a ± 0.02	1.92^a,b ± 0.04	0.64^c ± 0.05	1.32^b ± 0.01	0.98^c ± 0.06	0.83^c ± 0.00	0.79^c ± 0.06
C16:0	25.44^a ± 0.51	22.22^a ± 0.40	20.94^a ± 0.78	21.46^a ± 0.38	20.94^a ± 0.36	16.45^b ± 0.12	16.97^b ± 0.05	22.90^a ± 0.08
C17:0	0.98^d ± 0.10	2.16^b ± 0.09	3.24^a ± 0.12	0.88^d ± 0.04	2.41^b ± 0.01	2.48^b ± 0.13	2.03^b ± 0.04	1.63^c ± 0.01
C18:0	9.22^a ± 0.19	4.62^d ± 0.24	7.90^b ± 0.37	6.93^b ± 0.01	7.39^b ± 0.41	6.30^b ± 0.12	5.41^c ± 0.03	7.36 ^b ± 0.07
C20:0	0.23^b ± 0.00	0.77^b ± 0.00	0.23^b ± 0.00	0.81^b ± 0.01	0.08^c ± 0.00	1.59^a ± 0.01	1.77^a ± 0.01	0.68^b ± 0.01
C24:0	1.51^b ± 0.05	3.47^a ± 0.12	1.79^b ± 0.00	0.79^c ± 0.00	2.47^b ± 0.00	3.28^a ± 0.02	0.57^c ± 0.01	0.69^c ± 0.00
∑SFA	40.17	41.02	40.19	25.04	37.38	32.72	29.25	35.73
(b) Monounsaturated fatty acids (MUFA) composition (%)
C14:1	0.23^b ± 0.01	0.18^b ± 0.04	1.65^a ± 0.03	0.57^b ± 0.02	1.32^a ± 0.02	0.87^b ± 0.00	0.29^b ± 0.00	0.36^b ± 0.03
C15:1	0.12^c ± 0.21	2.37^a ± 0.20	1.45^b ± 0.01	ND	0.13^c ± 0.01	ND	1.57 ^b ± 0.02	0.42^c ± 0.02
C16:1n-6	0.96^b ± 0.07	2.03^a ± 0.03	2.78^a ± 0.02	0.68^c ± 0.01	2.85^a ± 0.01	0.89^c ± 0.01	0.54^c ± 0.02	1.02^b ± 0.01
C16:1n-7	3.75^d ± 0.02	9.56^a ± 0.06	6.08^c ± 0.01	8.26^a ± 0.01	7.95^b ± 0.01	5.42^c ± 0.01	7.68^b ± 0.00	7.09^b ± 0.01
C17:1	0.41^c ± 0.01	1.04^a ± 0.00	0.37^c ± 0.01	0.68^b ± 0.00	0.16^c ± 0.03	1.83^a ± 0.00	1.81^a ± 0.01	0.96^b ± 0.00
C18:1n-9	15.24^b ± 0.01	11.09^b ± 0.02	11.31^b ± 0.12	32.32^a ± 0.04	8.88^c ± 0.00	17.01^b ± 0.06	12.95 ^b ± 0.09	25.66^a ± 0.08
C18:1n-7	3.29^b ± 0.04	4.32^a ± 0.00	3.88^b ± 0.00	4.76^a ± 0.01	4.60^a ± 0.02	3.55^b ± 0.01	3.80^b ± 0.00	4.93^a ± 0.04
C20:1	0.12^c ± 0.07	ND	ND	1.08^b ± 0.01	ND	1.42^b ± 0.00	2.18^a ± 0.00	0.88^c ± 0.02
C22:1	0.43^d ± 0.02	1.39^c ± 0.15	ND	ND	0.13^d ± 0.00	2.15^b ± 0.03	6.11^a ± 0.01	0.49^d ± 0.00
∑MUFA	24.55	31.98	27.52	48.35	26.02	33.14	36.93	41.81
(c) n-6 Polyunsaturated fatty acids (PUFA) composition (%)
C18:2	5.38^a ± 0.00	1.20^d ± 0.26	4.47^b ± 0.01	3.82^c ± 0.00	5.84^a ± 0.01	3.93^c ± 0.01	3.89^c ± 0.01	4.92^b ± 0.01
C20:2	0.82^c ± 0.01	2.95^b ± 0.01	0.37^c ± 0.01	0.54^c ± 0.02	ND	4.03^a ± 0.02	4.24^a ± 0.03	0.72^c ± 0.01
C20:4	7.25^a ± 0.01	2.28^c ± 0.12	1.91^d ± 0.03	1.93^d ± 0.01	7.13^a ± 0.03	5.84^b ± 0.01	1.93^d ± 0.06	1.54^d ± 0.03
∑PUFA n-6 1	3.45	6.43	6.75	6.29	12.97	13.8	10.06	7.18
(d) n-3 (PUFA) composition (%)
C18:3	2.48^b ± 0.01	2.27^b ± 0.00	2.89^b ± 0.07	1.69^c ± 0.01	4.37 ^a ± 0.04	2.57^b ± 0.01	2.65^b ± 0.01	2.35^b ± 0.01
C20:3	0.96^e ± 0.04	2.03^c ± 0.01	0.73^e ± 0.04	1.10^d ± 0.03	3.78^b ± 0.01	7.39^a ± 0.00	2.16^c ± 0.01	0.71^e ± 0.00
C20:5	2.77^d ± 0.02	5.25^b ± 0.01	18.53^a ± 0.02	2.80^d ± 0.00	4.56^c ± 0.01	1.16^e ± 0.01	2.45^d ± 0.01	1.66^e ± 0.00
C22:5	3.06 ^b ± 0.01	5.71^a ± 0.07	1.56^d ± 0.01	2.07^c ± 0.00	3.15^b ± 0.00	1.22^d ± 0.03	6.38^a ± 0.04	1.78^d ± 0.01
C22:6	10.95^a ± 0.02	5.09^c ± 0.00	1.33^f ± 0.00	3.11^d ± 0.01	6.51^b ± 0.02	3.50^d ± 0.05	5.60^c ± 0.03	2.04^e ± 0.01
∑PUFA n-3 2	0.22	20.35	25.04	10.77	22.37	15.84	19.24	8.54
Note: Each value is an average of ten samples, with its standard deviations. ND: not detected Values in the same line with different letters are significantly different at p < 0.05.

Table 3 The polyunsaturated/saturated fatty acids (PUFA/SFA) and n-3/n-6 fatty acids ratios of eight different Indus River fishes

Species	Ratio of PUFA/SFA	Ratio of n-3/n-6
Jarko	0.84	1.50
(Wallago attu)
Dayo	0.65	3.16
(Oreochromis mossambicus)
Daahi	0.79	3.71
(Labeo calbasu)
Fouji khago	0.68	1.71
(Bagarius bagarius)
sariyo	0.94	1.72
(Labeo gonius)
Doghno	0.91	1.15
(Clupisoma garua)
Singhari	1.00	1.91
(Aorichthys aor)
shali	0.44	1.19
(Eutropiichthys vacha)