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Biological purifying method for seafood bivalve shellfishes

A bivalve mollusc and biological purification technology, which is applied in climate change adaptation, fish farming, application, etc., can solve the problems of changing the taste of seafood shellfish and reducing the freshness of seafood shellfish, and achieve short purification time and customer satisfaction The effect that the speed and economic efficiency will not decrease

Inactive Publication Date: 2011-12-14
NINGBO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although physical and chemical methods of sterilization can meet the shellfish sterilization requirements, but reduce the freshness of seafood shellfish, the taste of seafood shellfish will also change

Method used

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  • Biological purifying method for seafood bivalve shellfishes
  • Biological purifying method for seafood bivalve shellfishes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A method for biological purification of marine bivalve molluscs. Firstly, dry laver is crushed into laver granules of 60-200 meshes, and the laver granules are put into pure water according to the weight-to-volume ratio of 1:1000, and then lactic acid bacteria powder is added. The weight is 1% of the weight of dry laver, and then under the temperature condition of 28-37°C, inflate and cultivate until the surface of the liquid becomes paste, stop aerating, stir the liquid until the surface of the liquid becomes transparent, and obtain the purification liquid; then add the purification liquid to In the purification pool with clean seawater, the volume ratio of the purification solution to the clean seawater is 3:1000, and then put the clams into the purification pool according to the weight ratio of the clam to the clean seawater volume ratio of 1 to 2:100, at 15 to 25°C Under temperature conditions, purify for 3 days, take out clams after purification is completed, wash 2...

Embodiment 2

[0015] It is basically the same as Example 1, except that the purification time is 2 days.

Embodiment 3

[0017] It is basically the same as Example 1, except that the purification time is 1 day.

[0018] Measure the average silt emptying rate of the clams of the clams of above-mentioned embodiment 1,2,3 (purify before and after, randomly extract some clams, obtain the average amount of silt, divide the average amount of silt after the purification and before × 100% ), some clams were extracted to determine the number of Escherichia coli by conventional methods, and the results shown in Table 1 were obtained.

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Abstract

The invention discloses a biological purifying method for seafood bivalve shellfishes. The method comprises the following steps of: firstly, carrying out semi-fermentation on purple seaweed in a transparent way to obtain the purifying liquor containing purple seaweed colloid; and then, putting the bivalve shellfishes into a purifying tank added with the purifying liquor to purify for 1-3 days, therefore, the bivalve shellfishes can eat the purple seaweed colloid, the purple seaweed colloid can form a colloidal membrane in the digestive tract, the colloidal membrane not only can adsorb the impurities of mud, sand, heavy metal and the like in the digestive tract, and also can adsorb the microorganisms of colon bacillus and the like in the digestive tract, and the mud, the sand, the heavy metal and the microorganisms are discharged along with the purple seaweed colloid, thereby decreasing the content of the mud, the sand, the heavy metal and the microorganisms of the bivalve shellfishes,and achieving the food edible safety standard. In the method, as the biological purifying mode is adopted, the shellfishes can maintain the original freshness and taste; and as the purifying time is short, the relative fatness of the shellfishes is basically not affected, and the customer satisfaction degree and economical benefit of the shellfishes are not decreased.

Description

technical field [0001] The invention relates to the purification treatment technology of marine bivalve molluscs, in particular to a biological purification method of marine bivalve molluscs. Background technique [0002] Sea clams, razor clams, meretrix meretrix and Philippine clams are rich in nutrients, high in vitamin content, tender and delicious, and delicious, and are deeply loved by people. Due to the accelerated pace of industrialization, the growth areas of marine bivalve molluscs have been polluted to varying degrees. Class purification treatment. At present, the temporary culture method is commonly used to purify and treat bivalve molluscs: transport the polluted or possibly polluted bivalve molluscs to a clean, pollution-free and sand-free temporary culture pond for temporary cultivation, so that the sediment and heavy metals in the bivalve molluscs and the number of pathogenic bacteria gradually decreased to below the hygienic standard, and then harvested and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 骆其君严小军周成旭黄晓春徐继林叶显进娄永江徐善良
Owner NINGBO UNIV
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