. 2020 Aug 29;29(10):1331–1341. doi: 10.1007/s10068-020-00781-z

Table 1.

The changes in the textural characteristics of northern pike (Esox lucius) fillets during storage at 4 °C and − 3 °C for 7 days and 21 days, respectively

Storage time (d)	Hardness (g)		Springiness
	4 °C	− 3 °C	4 °C	− 3 °C
0	1437.39 ± 133.72^Aab	1374.04 ± 62.35^Ab	0.91 ± 0.02^Aa	0.91 ± 0.02^Aa
1	1627.34 ± 169.24^Aa	1597.33 ± 182.23^Aa	0.91 ± 0.02^Aa	0.90 ± 0.02^Aa
2	1255.35 ± 64.22^Bb	1781.78 ± 140.37^Aa	0.90 ± 0.03^Aa	0.90 ± 0.03^Aa
3	974.37 ± 113.48^Bc	1311.61 ± 29.33^Ab	0.88 ± 0.01^Aab	0.86 ± 0.01^Bab
4	880.88 ± 150.12^Bcd	1188.09 ± 105.41^Ab	0.85 ± 0.01^Bbc	0.87 ± 0.00^Aab
5	704.63 ± 133.96^Ade	878.68 ± 127.42^Ac	0.83 ± 0.04^Acd	0.85 ± 0.01^Aabc
6	514.37 ± 107.70^Bef	866.48 ± 125.36^Ac	0.78 ± 0.01^Bde	0.82 ± 0.02^Abcd
7	442.91 ± 57.85^Bf	816.02 ± 113.87^Acd	0.75 ± 0.02^Ae	0.79 ± 0.05^Acd
9		776.30 ± 143.41 ^cd		0.77 ± 0.04^de
12		729.08 ± 155.96 ^cd		0.76 ± 0.07^de
15		699.19 ± 160.00 ^cd		0.71 ± 0.04^e
18		588.13 ± 98.55^de		0.70 ± 0.04^e
21		455.67 ± 76.51^e		0.70 ± 0.06^e

Values are given as the mean ± SD (n = 3). Means in the same row with different capital letters (A–B) are significantly different (p < 0.05). Means in the same column with different small letters (a–f) are significantly different (p < 0.05)