. 2025 Aug 23;12(1):90. doi: 10.1186/s40643-025-00931-3

Table 1.

Proximate composition of insoluble protein fraction obtained after enzymatic hydrolysis of mackerel side streams (wet weight basis). Mean values ± standard deviation is shown. Different letters indicate significant differences (p < 0.05)

Parameters	Insoluble protein fractions after enzymatic hydrolysis
Parameters	Control	300 W	450 W	600 W
Total protein content, %	17.0 ± 0.1^a	18.9 ± 0.1^b	15.3 ± 0.1^c	17.5 ± 0.1^a
Lipid content, %	8.9 ± 1.6^a	9.8 ± 1.9^a	9.9 ± 1.8^a	9.6 ± 2.2^a
Water content, %	72.8 ± 0.5^a	70.1 ± 0.3^b	73.1 ± 0.2^a	71.8 ± 0.4^ab
Ash, %	1.4 ± 0.3^a	1.2 ± 0.4^a	1.6 ± 0.2^a	1.2 ± 0.1^a