Process for preparing stable discolored and deodorized fish oil
A preparation process and deodorization technology, which is applied in the field of preparation of stable fish oil, can solve the problems of high peroxide value, short fish oil return period, loss of active ingredients, etc., achieve good anti-oxidation function, good decolorization effect, prolong The effect of the smelly period
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Embodiment 1
[0023] A preparation process for decolorized and deodorized stable fish oil, said preparation process comprising the following specific steps:
[0024] A. Selection and processing of raw materials: select fresh sardines after thawing, first rinse the sardines with clean water, then put the rinsed sardines into a colloid mill and grind them into a slurry to obtain a ground homogeneous slurry;
[0025] B. One-time enzymolysis: add the ground homogenate obtained in step A into the enzymolysis tank, and add water according to the weight of ground homogenate: water = 1:3~5 for mixing, and then stir evenly. Obtain the raw material homogenate; then use acid to adjust the pH to 2-3, then add pepsin accounting for 0.5-1.5% by weight of the ground homogenate to the enzymolysis tank, control the temperature of the feed liquid at 35-40°C, and carry out Enzymatic hydrolysis for 2.0-5.0 hours to obtain an enzymatic hydrolysis solution;
[0026] C. Secondary enzymolysis: adjust the pH value...
Embodiment 2
[0035] A preparation process for decolorized and deodorized stable fish oil, said preparation process comprising the following specific steps:
[0036] A. Selection and processing of raw materials: select fresh sardines after thawing, first rinse the sardines with clean water, then put the rinsed sardines into a colloid mill and grind them into a slurry to obtain a ground homogeneous slurry;
[0037] B. One-time enzymolysis: add the ground homogenate obtained in step A into the enzymolysis tank, and add water according to the weight of ground homogenate: water = 1:3~5 for mixing, and then stir evenly. Obtain the raw material homogenate; then use acid to adjust the pH to 2-3, then add pepsin accounting for 0.5-1.5% by weight of the ground homogenate to the enzymolysis tank, control the temperature of the feed liquid at 35-40°C, and carry out Enzymatic hydrolysis for 2.0-5.0 hours to obtain an enzymatic hydrolysis solution;
[0038] C. Secondary enzymolysis: adjust the pH value...
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