Protective agent composition for liquid nitrogen cryogenic quick-freezing of camarons
A technology of monodon shrimp and protective agent, applied in application, food science, food preservation, etc., can solve problems such as affecting the quality of frozen food, losing commodity value, and wasting resources, and achieves maintaining color, good freshness, and extending shelf life. Effect
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Embodiment 1
[0034] A protective agent composition for cryopreservation and quick-freezing of monodon prawns in liquid nitrogen, comprising a low-temperature protective agent and an ice coating agent.
[0035] The cryoprotectant solution includes sodium polyphosphate, sodium iso-Vc, sodium citrate, sorbitol, bletilla striata extract and water. The mass concentration of described sodium polyphosphate is 0.3%, the mass concentration of iso-Vc sodium is 0.1%, the mass concentration of sodium citrate is 0.1%, the mass concentration of sorbitol is 2%, the mass concentration of Bletilla striata extract is 1%.
[0036] The ice-coating agent includes trehalose, sodium alginate, bletilla striata extract and ice water. The mass concentration of the trehalose in the ice water in the ice coating agent is 2%, the mass concentration of the sodium alginate in the ice water is 0.1%, and the mass concentration of the Bletilla striata extract in the ice water is 2%.
[0037] The preparation method of the ...
Embodiment 2
[0039] A protective agent composition for cryopreservation and quick-freezing of monodon prawns in liquid nitrogen, comprising a low-temperature protective agent and an ice coating agent.
[0040]The cryoprotectant solution includes sodium polyphosphate, sodium iso-Vc, sodium citrate, sorbitol, bletilla striata extract and water. The mass concentration of described sodium polyphosphate is 0.5%, the mass concentration of iso-Vc sodium is 0.05%, the mass concentration of sodium citrate is 0.2%, the mass concentration of sorbitol is 5%, the mass concentration of Bletilla striata extract is 0.5%.
[0041] The ice-coating agent includes trehalose, sodium alginate, bletilla striata extract, antibacterial peptide and ice water. The mass concentration of the trehalose in the ice water in the ice coating agent is 3%, the mass concentration of the sodium alginate in the ice water is 0.3%, and the mass concentration of the Bletilla striata extract in the ice water is 1%. The mass conce...
Embodiment 3
[0044] A protective agent composition for cryopreservation and quick-freezing of monodon prawns in liquid nitrogen, comprising a low-temperature protective agent and an ice coating agent.
[0045] The cryoprotectant solution includes sodium polyphosphate, sodium iso-Vc, sodium citrate, sorbitol, bletilla striata extract and water. The mass concentration of described sodium polyphosphate is 0.1%, the mass concentration of iso-Vc sodium is 0.3%, the mass concentration of sodium citrate is 0.3%, the mass concentration of sorbitol is 1%, the mass concentration of Bletilla striata extract is 1.5%.
[0046] The ice-coating agent includes trehalose, sodium alginate, bletilla striata extract, antibacterial peptide and ice water. The mass concentration of the trehalose in the ice water in the ice coating agent is 4%, the mass concentration of the sodium alginate in the ice water is 0.1%, and the mass concentration of the Bletilla striata extract in the ice water is 1%. The mass conce...
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