Preparation method of deodorized fish protein powder

A fish protein powder and deodorization technology, which is applied in fish protein components, protein food components, food science, etc., can solve problems such as unsatisfactory effects, and achieve obvious deodorization effects, broad market prospects, and product safety.

Inactive Publication Date: 2012-01-18
TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the research on deodorization of enzymatic protein solution mainly adopts physical and chemical methods, such as ether extraction method, dextrin embedding method, activated carbon adsorption method, etc., and microbial fermentation method is also used, but the effect of using a single deodorization method is often not ideal
A variety of methods have been used comprehensively and achieved a good deodorization effect, which is still in the blank

Method used

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  • Preparation method of deodorized fish protein powder
  • Preparation method of deodorized fish protein powder
  • Preparation method of deodorized fish protein powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A preparation method of depissy fish protein powder, the steps are as follows:

[0031] (1) Raw material processing: wash 100g of low-value small miscellaneous fish, cut into small pieces about 0.5cm thick, and set aside;

[0032] (2) Cyclodextrin adsorption and deodorization: Use 200g of cyclodextrin aqueous solution to adsorb and deodorize small miscellaneous fish pieces. During the deodorization process, stir, the adsorption temperature is 20°C, and the adsorption time is 1h. After adsorption, filter with a mesh sieve , recover the liquid, dry the small fish pieces centrifugally, and remove the liquid as much as possible;

[0033] The dosage of the cyclodextrin is 1-3 times the weight of low-value small trash fish, and the mass concentration of the cyclodextrin aqueous solution is 0.5-2.5%.

[0034] (3) Ethanol alkali solution deodorization: put the small fish pieces in 200ml of 1% ethanol alkali (Na2CO3) solution, stir at a temperature of 45°C, and reclaim the etha...

Embodiment 2

[0042] A preparation method of depissy fish protein powder, the steps are as follows:

[0043] (1) Raw material processing: Wash 200g of low-value small miscellaneous fish, cut into small pieces about 2cm thick, and set aside.

[0044] (2) Cyclodextrin adsorption for deodorization: use 600g of 2% cyclodextrin aqueous solution to adsorb and deodorize small miscellaneous fish pieces, the adsorption temperature is 40°C, and the adsorption time is 5h. After adsorption, filter with a mesh sieve to recover the liquid. Centrifuge the small fish pieces to remove as much liquid as possible.

[0045] (3) Deodorization of ethanol alkali solution: small fish pieces are stirred in 3% ethanol alkali solution of 600ml, warm

[0046] Filtrate at 55°C, spin the filtrate, and recover ethanol by rotary steaming.

[0047] Wherein the configuration method of the ethanol-alkaline solution is 1L of 95% ethanol plus 30g of alkali for dissolution, and the alkali is an inorganic alkali, such as sodiu...

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Abstract

The invention relates to a preparation method of deodorized fish protein powder. A technical process of the method comprises the following steps of: crushing low-value trash fishes; deodorizing; adding water for homogenating; performing enzymolysis on a mixed liquor by adopting a protein enzymolysis technology; blanching to obtain enzymolysis protein liquid; concentrating the enzymolysis liquid and performing spray drying; and packaging in vacuum to obtain a finished product. The protein powder is produced from low-value trash fishes and has a wide source, and a new way for high-value utilization of fresh water fishes is provided; the problem of the influence of odor substances in a hydrolysate on the utilization of the fish protein powder is solved; a biological enzymolysis technology isutilized, so that the efficiency is high and pollution is avoided; and the deodorized fish protein powder is safe and effective, is free from toxic and side effects, a rich in nutritional substances,can be developed as a food substrate, and has wide market prospect.

Description

technical field [0001] The invention belongs to the fields of biotechnology and food processing, and relates to a preparation method of depissed fish protein powder. Background technique [0002] my country is one of the countries with the largest freshwater aquaculture water surface in the world, and the output of freshwater aquatic products also ranks first in the world. In the past ten years, my country's freshwater aquaculture industry has developed rapidly. In 1990, the output of freshwater fish in my country reached 5.15 million tons, accounting for about 43% of the total output of aquatic products. However, the proportion of freshwater fish processing in my country is quite low, basically relying on fresh sales. In some key fish farming areas, the contradiction between production and sales suddenly , has appeared slow-moving phenomenon, but the proportion of output of small miscellaneous fish is increasing continuously. It is of great significance to study the deep pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23J1/04
Inventor 刘安军郑捷柳亚静
Owner TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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