Processing method of low-value fish protein calcium peptide
A processing method and technology of low-value fish, applied in the field of processing low-value fish protein calcium peptide, can solve the problems of low social benefit and managerial benefit, and achieve the effect of solving the backlog of raw fish, easy to accept, and good solubility
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Embodiment 1
[0015] A processing method of low-value fish protein calcium peptides, including deodorizing treatment, preparation of fish protein peptides, preparation of fish bone meal, extraction of soluble calcium in fish bone meal, and preparation of fish protein calcium peptides. The specific operation steps are:
[0016] 1) Deodorizing treatment: cook the fish bones at 0.5MPa for 5 minutes, and then treat them at a microwave power of 450W for 2 minutes, then use a meat grinder to crush them. The combination of high pressure cooking and microwave has a good deodorizing effect, which can make the fish bones. The brittleness and color are the best, and it has no effect on the nutritional content of fish bones;
[0017] 2) Preparation of fish protein peptides: Weigh the fish bones after deodorization, add water, adjust the pH to 6.5, add 1000 U / g papain and flavor protease mixture, the weight ratio of papain and flavor protease mixture in the mixture is 0.5: 1.5, enzymatic hydrolysis for 5h, a...
Embodiment 2
[0022] A processing method of low-value fish protein calcium peptides, including deodorizing treatment, preparation of fish protein peptides, preparation of fish bone meal, extraction of soluble calcium in fish bone meal, and preparation of fish protein calcium peptides. The specific operation steps are:
[0023] 1) Deodorizing treatment: cook the fish bones at 0.6MPa for 6 minutes, then treat them at a microwave power of 460W for 2 minutes, and then use a meat grinder to crush them. The combination of high pressure cooking and microwave has a good deodorizing effect, which can make the fish bones. The brittleness and color are the best, and it has no effect on the nutritional content of fish bones;
[0024] 2) Preparation of fish protein peptides: weigh the fish bones after deodorization, add water, adjust the pH to 6.5, add 950U / g of papain and flavor protease mixture, the weight ratio of papain and flavor protease mixture in the mixture is 1: 1. Enzymatic hydrolysis for 4~6h, af...
Embodiment 3
[0029] Under exactly the same conditions of preparation, the effect of the molar ratio of peptide to calcium on the calcium content in fish protein calpeptide was analyzed. The results are shown in Table 1 below. The data can be obtained: the ratio of peptide to calcium on the calcium content of fish protein calpeptide The effect is non-linear. When the molar ratio of peptide to calcium is 3.5:1, the calcium content of fish protein calcium peptide is the highest.
[0030] Table 1: The effect of peptide to calcium molar ratio on the calcium content of fish protein calcium peptide 2~5:1
[0031] Peptide to calcium molar ratio
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