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Gem fish oil micro-capsule and preparing method thereof

A jewel fish and microcapsule technology, which is applied in food preparation, edible oil/fat production/processing, food science, etc., can solve problems such as waste, less comprehensive processing, and pollution

Inactive Publication Date: 2008-09-03
SHANGHAI FISHERIES UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of fish processing, the internal organs are generally discarded, and comprehensive processing is seldom performed, resulting in a lot of waste and easy pollution to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] (1) Extraction, take 3 kg of gem fish viscera, and extract gem fish oil from gem fish viscera by steaming in separate water. The extraction temperature is 85° C., and the extraction time is 40 minutes;

[0014] (2) refining, carrying out alkali treatment to the jewel fish oil extracted by step (1), the add-on of alkali is 52.5g, and used alkali is sodium hydroxide solution (concentration is 5%);

[0015] (3) Microencapsulation, mixing 50 g of modified starch used as a composite wall material and 2 g of sodium caseinate with 0.75 g of emulsifier lecithin; the mixture is dispersed in an aqueous solution, and gem fish oil refined by step (2) is added 35mL, emulsified and homogeneous, the homogenization pressure is 45MPa, the emulsion is spray-dried, the inlet air temperature is 215°C, and the outlet air temperature is 95°C.

[0016] The gemstone fish oil microcapsules prepared by the step (3) have an embedding rate of over 94%, and the gemstone fish oil microcapsules obtai...

Embodiment 2

[0018] (1) Extraction, take 5 kg of gem fish viscera, adopt the water-proof cooking method to extract gem fish oil from the gem fish viscera, the extraction temperature is 60 ° C, and the extraction time is 60 minutes;

[0019] (2) refining, carrying out alkali treatment to the jewel fish oil extracted by step (1), the add-on of alkali is 50.0g, and used alkali is sodium hydroxide solution (concentration is 5%);

[0020] (3) Microencapsulation, mixing 10 g of modified starch used as a composite wall material and 1 g of sodium caseinate with 0.10 g of emulsifier lecithin; dispersing the mixture in an aqueous solution, adding gem fish oil refined by step (2) 4.5mL, emulsified and homogeneous, the homogenization pressure is 60MPa, the emulsion is spray-dried, the inlet air temperature is 180°C, and the outlet air temperature is 80°C.

[0021] The jewel fish oil microcapsules prepared by the step (3) are milky white powders with uniform particles.

Embodiment 3

[0023] (1) Extraction, take 10 kg of gem fish viscera, and extract gem fish oil from the gem fish viscera by steaming in separate water, the extraction temperature is 95 ° C, and the extraction time is 30 minutes;

[0024] (2) refining, carrying out alkali treatment to the jewel fish oil extracted by step (1), the add-on of alkali is 300g, and used alkali is sodium hydroxide solution (concentration is 5%);

[0025] (3) Microencapsulation, mix 150g of modified starch used as composite wall material and 3g of sodium caseinate with 3.0g of emulsifier lecithin; disperse the mixture in the aqueous solution, add gemstone fish oil refined by step (2) 312mL, emulsified and homogeneous, the homogenization pressure is 30MPa, the emulsion is spray-dried, the inlet air temperature is 220°C, and the outlet air temperature is 110°C.

[0026] The jewel fish oil microcapsules prepared by the step (3) are milky white powder with uniform particles and good fluidity.

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PUM

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Abstract

The invention belongs to fish product technology field, particularly a jewelfish oil microcapsule and the preparation method thereof. The jewfish is extracted and refined to obtain refined fish oil which is rich in Omega-3 polyunsaturated fatty acids and particularly DHA, then the refined fish oil is coated by compound film materials based on modified starch, and is dried by spray to obtain the microcapsule which is milky-white powder with good water-solubility, and can be used to prepare dietary supplements, food additives, etc.

Description

Contents of the invention [0001] The invention belongs to the technical field of fish products, and in particular relates to gemstone fish oil products and a preparation method. Background technique [0002] Scortum barcoo (Scortum barcoo) English name is Jade Perch. Australia's prestigious freshwater fish. In 2002, Zhejiang Modern Fishery Demonstration Park introduced jewel fish from the natural waters of Australia and successfully carried out artificial breeding. Gemfish has the characteristics of fast growth, strong disease resistance, high meat yield and high nutritional value. It was first evolved from seawater fish, so it not only maintains the tenderness of freshwater fish, but also has the unique deliciousness of seawater fish. The shape of the jewel fish is very attractive, the body color is silver and bright, and there are several black shiny oval plaques on the side of the body, just like black gems inlaid on the surface of the fish body, so it is called "jewel ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23D7/02A23L1/327A23L1/29A23L17/20A23L33/00
Inventor 陶宁萍王锡昌姚翾俞骏康吟鲍丹
Owner SHANGHAI FISHERIES UNIV
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