CN103059745A - Preparation method of tilapia skin gelatin - Google Patents
Preparation method of tilapia skin gelatin Download PDFInfo
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- CN103059745A CN103059745A CN2012105427076A CN201210542707A CN103059745A CN 103059745 A CN103059745 A CN 103059745A CN 2012105427076 A CN2012105427076 A CN 2012105427076A CN 201210542707 A CN201210542707 A CN 201210542707A CN 103059745 A CN103059745 A CN 103059745A
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- isinglass
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Abstract
The invention provides a preparation method of tilapia skin gelatin, wherein pollution-free and natural fish-skin is used as raw material so as to have extremely high biological safety. The preparation method comprises the following steps: firstly carrying out acid-base dipping on tilapia skin to remove impurities so that the fish-skin is swelled with water; then controlling the pH value and extractive temperature of an extraction system; obtaining gelatin through the extraction after a period of time; and guiding obtained pulp (namely undried gelatin) in a reel containing a film rising and drying system so as to obtain curled edible film. According to the preparation method of tilapia skin gelatin, high-quality fish-skin is used as raw material, and novel nutritious food raw materials and cosmetics nutritional supplements formed through optimized processing of modern science and technology can be widely applied to various nutrition health food and high-grade cosmetics. The waste fish-skin used as raw material is abundant in source of raw material, low in price, low in cost, high in quality, pollution-free in production process and high in substitutability. A suit of British gelatin production line only in our country is used, and the advanced gelatin production technology from abroad is efficiently combined with years of productive practice experience, so that the product quality reaches the advanced level of international similar products.
Description
Technical field
The present invention relates to the food mfg field, particularly the preparation method of Java tilapia skin gelatin.
Background technology
Gelatin is a kind of important natural high molecular substance, contains the nearly all necessary amino acid except tryptophane.To be animal body reticular tissue (being rich in the tissue of collagen such as skin, bone, waist etc.) transform through pre-treatment gelatin, extracts general name water-soluble, the class material that can congeal through proper temperature again.According to the difference of the Method and process that extracts, relative molecular mass has larger poor
, relative molecular mass does not wait from 1.5 ten thousand to 250,000.In addition, gelatin has the peculiar thickening property of water-soluble polymer and to the characteristics such as high security of biological tissue, can be used as jelling agent, stablizer, emulsifying agent, thickening material, whipping agent, tackiness agent, binding agent, finings etc.Because gelatin has above many good physical propertiess, thereby it is used widely in food mfg, takes full advantage of the natural characteristics of gelatin, can produce the food that has good quality.
Tilapia belongs to Perciformes, Callichthyidae.This genus has more than 100 kind, and what cultivated has 15 kinds approximately, has growth soon, and food is assorted, strong stress resistance, breeding is fast, and meat is good, easily cultivation, the output high is Food and Argriculture OrganizationFAO promotes cultivation in the world a kind of fresh water and brackishwater fishes, and output increases year by year.The converted products of tilapia mainly contains frozen fish fillet and freezes full fish two large classes, and its by product is fish-skin, fish head, fish-bone etc.These by products, except small portion is used to produce the feed, major part is dropped, and has caused and has polluted and waste.According to statistics, the by product total amount of the annual tilapia of China reaches more than 2,000,000 t.Therefore, be used if can from these by products, extract gelatin, then both can promote the comprehensive utilization of fresh-water fishes processing byproduct, can provide abundant raw material for production and the processing and utilization of collagen protein again simultaneously, can bring huge economic benefit.
A kind of preparation method about isinglass is disclosed in the patent No. 200910251061.4, its preparation flow is: fish-skin → drying → cleaning, the decon → degreasing → removal of impurities → cleaning → uhp treatment → glue of pulling an oar → carry → centrifugal → drying → finished product gelatin, this invention haves much room for improvement in manufacture method, the present invention is optimized and improves the preparation method of fishskin gelatin, has improved isinglass gel-strength, gelling temp and melt temperature.
Summary of the invention
The present invention is take pollution-free natural fish-skin as raw material, have high biological safety, this product at first is that Java tilapia skin soaks removal impurity, fish-skin water-swelling through soda acid, then control well the extraction system potential of hydrogen and extract temperature, obtain gelatin finally by the extraction of crossing certain hour; Then the soup compound (namely not carrying out dry gelatin) that obtains is imported and contain the edible film that obtains the volume type in the reel that rises the film dehumidification system.
It is raw material that the present invention adopts the high-quality fish-skin, the novel nutritious foodstuff and the makeup nutritional additive that form through the modern science and technology optimizing machining technology.This product is the snowy white of high-quality, and is nutritious, and it is convenient to preserve, and can be widely used in various nutritive health-care foods and the cosmetics of super quality.
The present invention has following advantage, product advantage: use discarded fish-skin to do raw material, it is precious to become refuse, and production process is pollution-free, and quality product is high; Product is alternative strong simultaneously, and the capsule of doing as substituting other medicinal plastics reduces the hidden danger that medicine exists, and makes life more.Technical superiority: the present invention uses a complete set of domestic only Britain manufacturing of gelatin line, and external advanced person's manufacturing of gelatin technology is effectively combined with for many years production experience, makes quality product reach the advanced level of international like product.Resource, cost advantage: raw material sources are abundant, low price, and product cost is low.
Embodiment
At first to be Java tilapia skin through soda acid soak removes impurity in the present invention, the fish-skin water-swelling, then control well the extraction system potential of hydrogen and extract temperature, obtain gelatin finally by the extraction of crossing certain hour; Then the soup compound (namely not carrying out dry gelatin) that obtains is imported and contain the edible film that obtains the volume type in the reel that rises the film dehumidification system.
(1) the present invention has adopted the sour pre-treatment Java tilapia skin gelatin of different concns and kind, and with extraction rate of protein, hydroxyproline content, protein distribution and viscosity comprehensive evaluation tilapia gelatin quality, conclusion has higher cogency and reliability.
(2) the tilapia gelatin of the present invention to extracting under the top condition carried out physicochemical characteristic, texture characteristic and rheological characteristics test.Investigated different cation concns to the impact of gelatin texture characteristic and rheological characteristics, for salt adds in the gelatin product, and the not texture characteristic of excessive influence gelatin itself and rheological characteristics provide reference frame.Investigation different concns gelatin physicochemical characteristic, rheological characteristics are subjected to the impact of temperature, can more understand the isinglass characteristic in depth, add the gelatin amount according to the demand that food is concrete, in food processing process, temperature provides theoretical reference and analyzes foundation the gelatin product quality influence.
(3) in order to solve the characteristic inferior of comparing isinglass with minimizing with the Mammals gelatin, the invention provides three kinds of different methods 1) make isinglass generation enzyme crosslinked or make isinglass generation chemically crosslinked with chemical process (such as pectin, carrageenin, gum arabic) by enzyme (such as Transglutaminases) effect, improve the isinglass characteristic.2) isinglass is mixed with high-gel strength gelatin or suitable plant hydrophilic colloid, create the mixed gel system, thereby improve isinglass gel-strength, gelling temp and melt temperature.3) by adding the solute of suitable concn, improve the isinglass characteristic.
Claims (4)
1. the preparation method of a Java tilapia skin gelatin, it is characterized in that: the present invention has adopted the sour pre-treatment Java tilapia skin gelatin of different concns and kind, with extraction rate of protein, hydroxyproline content, protein distribution and viscosity comprehensive evaluation tilapia gelatin quality.
2. described method according to claim 1, it is characterized in that: make isinglass generation enzyme crosslinked or make isinglass generation chemically crosslinked with chemical process (such as pectin, carrageenin, gum arabic) by enzyme (such as Transglutaminases) effect, improve the isinglass characteristic.
3. described method according to claim 1 is characterized in that: isinglass is mixed with high-gel strength gelatin or suitable plant hydrophilic colloid, create the mixed gel system, thereby improve isinglass gel-strength, gelling temp and melt temperature.
4. described method according to claim 1 is characterized in that: by adding the solute of suitable concn, improve the isinglass characteristic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105427076A CN103059745A (en) | 2012-12-15 | 2012-12-15 | Preparation method of tilapia skin gelatin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105427076A CN103059745A (en) | 2012-12-15 | 2012-12-15 | Preparation method of tilapia skin gelatin |
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| CN103059745A true CN103059745A (en) | 2013-04-24 |
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| CN2012105427076A Pending CN103059745A (en) | 2012-12-15 | 2012-12-15 | Preparation method of tilapia skin gelatin |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103992746A (en) * | 2014-06-04 | 2014-08-20 | 上海海洋大学 | Method for preparing pharmaceutical gelatin with different gel strength by using tilapia skins |
| CN106009711A (en) * | 2016-07-05 | 2016-10-12 | 南昌大学 | Method for preparing fish gelatin |
| CN106832343A (en) * | 2016-12-30 | 2017-06-13 | 大连工业大学 | The preparation method of the gelation fishskin gelatin high based on oxidation polyphenol substance |
| CN107724094A (en) * | 2017-09-15 | 2018-02-23 | 南通香佳纺织科技有限公司 | A kind of microcapsules gauze kerchief finishing agent of antiultraviolet and preparation method thereof |
-
2012
- 2012-12-15 CN CN2012105427076A patent/CN103059745A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103992746A (en) * | 2014-06-04 | 2014-08-20 | 上海海洋大学 | Method for preparing pharmaceutical gelatin with different gel strength by using tilapia skins |
| CN103992746B (en) * | 2014-06-04 | 2016-11-09 | 上海海洋大学 | A kind of method utilizing the different gel strength pharmagel of Java tilapia skin preparation |
| CN106009711A (en) * | 2016-07-05 | 2016-10-12 | 南昌大学 | Method for preparing fish gelatin |
| CN106009711B (en) * | 2016-07-05 | 2018-07-17 | 南昌大学 | A method of preparing isinglass |
| CN106832343A (en) * | 2016-12-30 | 2017-06-13 | 大连工业大学 | The preparation method of the gelation fishskin gelatin high based on oxidation polyphenol substance |
| CN107724094A (en) * | 2017-09-15 | 2018-02-23 | 南通香佳纺织科技有限公司 | A kind of microcapsules gauze kerchief finishing agent of antiultraviolet and preparation method thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130424 |