. 2021 Apr 27;10(5):950. doi: 10.3390/foods10050950

Table 4.

Mineral contents (mg/kg dry weight, DW) of salmon, cod and herring backbones, mechanically separated meat (MSM) and protein isolate. Results are shown as mean ± SD (n = 2).

Minerals (mg/kg DW)	Herring			Salmon			Cod
Minerals (mg/kg DW)	Backbone	MSM	Protein Isolate	Backbone	MSM	Protein Isolate	Backbone	MSM	Protein Isolate
Sodium	6435 ± 247 ^ab	6201 ± 354 ^ab	6749 ± 409 ^a	2548 ± 209 ^c	2648 ± 32 ^c	6418 ± 307 ^ab	5794 ± 421 ^b	6694 ± 183 ^a	6501 ± 133 ^a
Calcium	7818 ± 373 ^b	652 ± 32 ^cd	165 ± 13 ^d	8456 ± 783 ^b	586 ± 41 ^cd	204 ± 23 ^d	9274 ± 528 ^a	1251 ± 79 ^c	173 ± 16 ^d
Potassium	12,491 ± 269 ^b	11,321 ± 803 ^bc	1240 ± 108 ^f	4896 ± 508 ^e	7299 ± 940 ^d	986 ± 18 ^f	10,732 ± 700 ^c	14,893 ± 231 ^a	1277 ± 68 ^f
Selenium	284 ± 11 ^a	274 ± 14 ^ab	234 ± 20 ^b	253 ± 12 ^ab	247 ± 15 ^ab	178 ± 22 ^c	281 ± 15 ^ab	248 ± 27 ^ab	194 ± 28 ^bc
Zinc	31.9 ± 2.5 ^cd	22.9 ± 1.8 ^de	33.1 ± 5.2 c^d	32.9 ± 3.6 ^cd	17.7 ± 2.3 ^e	56.8 ± 7.2 ^a	43.9 ± 3.1 ^b	33.9 ± 5.7 ^bc	39.5 ± 4.8 ^bc
Copper	5.65 ± 0.45 ^b	5.05 ± 0.84 ^bc	9.85 ± 1.58 ^a	5.36 ± 0.25 ^bc	2.60 ± 0.82 ^c	11.11 ± 1.27 ^a	4.64 ± 0.12 ^bc	4.51 ± 1.38 ^bc	10.81 ± 2.27 ^a
Iron	45.8 ± 2.1 ^bc	52.7 ± 5.7 ^b	71.7 ± 7.3 ^a	18.2 ± 0.65 ^d	21.0 ± 1.64 ^d	21.2 ± 2.4 ^d	39.9 ± 7.1 ^c	43.6 ± 3.5 ^bc	42.9 ± 4.9 ^bc
Heme-iron	31.90 ± 2.02 ^ab	33.76 ± 0.23 ^a	27.11 ± 0.28 ^b	7.03 ± 0.39 ^e	9.97 ± 0.17 ^d	8.26 ± 0.001 ^de	16.60 ± 1.48 ^c	31.80 ± 1.60 ^ab	29.62 ± 1.15 ^b
Magnesium	1496 ± 34 ^b	1286 ± 82 ^c	55 ± 4 ^f	927 ± 101 ^d	631 ± 21 ^e	75 ± 0.9 ^f	2246 ± 83 ^a	1183 ± 37 ^c	70 ± 2 ^f
Manganese	12.2 ± 1.7 ^c	1.9 ± 0.3 ^d	5.3 ± 0.7 ^c	14.6 ± 1.1 ^ab	4.2 ± 0.8 ^cd	4.3 ± 0.9 ^cd	15.5 ± 0.2 ^a	5.9 ± 1.0 ^c	5.8 ± 1.9 ^c

Different small letters in each row show a significant difference (p < 0.05).