Phosphorus-free water-retaining agent for larimichthys crocea and water-retaining method thereof
A large yellow croaker and water-retaining agent technology, which is applied in the direction of preserving meat/fish with chemicals, can solve problems such as inability to achieve water-retaining effect, unpleasant metallic astringency, harmful flavor of aquatic products, etc., achieve good water-retaining effect, improve quality and Processing characteristics, the effect of avoiding a large amount of loss
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Embodiment 4
[0034] A water retention method for large yellow croaker, specifically comprising the following steps:
[0035] Step 1, the fresh large yellow croaker is descaled, gutted, peeled, cleaned, then drained and weighed to obtain large yellow croaker flesh (pretreated large yellow croaker);
[0036] Step 2. Place 3 kg of the large yellow croaker meat obtained in step 1 in the non-phosphorus water-retaining agent for large yellow croaker of Examples 1-3 and Comparative Examples 1-4 respectively, and soak in an environment of 4°C for 7 hours;
[0037] Step 3. Vacuum-pack the large yellow croaker flesh soaked in step 2 and store it in an environment of -80°C for 5 weeks to obtain 8 frozen samples A-H of large yellow croaker.
Embodiment 5
[0039] A water retention method for large yellow croaker, comprising the following steps:
[0040] Step 1. Descale, viscera, skin and clean the fresh large yellow croaker, then drain and weigh to obtain the large yellow croaker flesh;
[0041] Step 2. Place 3 kg of the large yellow croaker meat obtained in step 1 in the phosphorus-free water-retaining agent for large yellow croaker in Example 1, and soak in an environment at 4°C for 7 hours;
[0042] Step 3, fish out the soaked large yellow croaker meat, place in the coating solution and soak for 2 minutes, the coating solution is 0.5% chitosan solution configured with 1% acetic acid;
[0043] Step 4: Vacuum-pack the large yellow croaker flesh after the coating treatment in step 3 and store it in an environment at -80°C for 5 weeks to obtain a frozen sample I of large yellow croaker.
Embodiment 6
[0045] The difference between Example 6 and Example 5 lies in that the soaking temperature in the step 2 is 0°C and the soaking time is 4h, and the storage temperature in the step 4 is -18°C, and the frozen sample J of large yellow croaker is obtained.
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