阅读说明：本技术 一种蚂蟥除腥处理方法 (Leech fishy smell removing treatment method ) 是由 石胜利 卢宝信 石赛仙 于 2020-07-04 设计创作，主要内容包括：一种蚂蟥除腥处理方法,包括加工处理前工作、预处理、放血处理、冻干处理、粉碎、去除身腥味和再次冻干成型,本发明能够有效的去除金边蚂蟥产品的腥味,同时能够提升其产品口感,对金边蚂蟥中含有的水蛭素(抗凝血成分)成分及其活性影响不大,有助于金边蚂蟥产品的进一步发展。(The leech fishy smell removing treatment method comprises the steps of working before processing, preprocessing, bloodletting treatment, freeze-drying treatment, crushing, body fishy smell removing and freeze-drying molding again, can effectively remove the fishy smell of golden-edged leech products, can improve the taste of the products, has little influence on hirudin (anticoagulant component) components and activity thereof contained in the golden-edged leech, and is beneficial to further development of the golden-edged leech products.)

1. A leech fishy smell removing processing method is characterized by comprising the following steps:

(1) before working

Controlling the blood content of the golden-edged leech living body to be below 30 percent before purchasing and processing the living leech;

(2) pretreatment of

Mucus cleaning agent is used for removing mucus on the surface of leech. Then, washing golden-edged leeches;

(3) exsanguination process

The golden-edged leech raw material obtained in the step 2 is subjected to cutting and bloodletting by adopting special front piece equipment, and the blood in the digestive cavity of the golden-edged leech is separated from the golden-edged leech by using a centrifugal device, so that the golden-edged leech is cleaned by utilizing edible alcohol after centrifugation is finished, the blood in the body can be further cleaned, and meanwhile, the fishy smell can be removed. Centrifuging and cleaning twice to ensure that blood in the body is completely removed, and simultaneously performing drying treatment;

(4) freeze-drying process

Freezing the gilt-edged leeches treated in the step 3. The freeze drying temperature is-26 to-32 ℃, and the time is 6 to 8 hours;

(5) pulverizing

Crushing the leech raw material subjected to freeze-drying treatment in the step 4, wherein the powder has the particle size of 300-500 meshes;

(6) removing body odor

Adding 0.5-2% of trimethylamine monooxygenase into the leech powder with golden edge, carrying out enzymolysis for 1.5-2.5 h, converting trimethylamine into odorless trimethylamine oxide with fresh and light sweet taste, and simultaneously selectively adding a fishy smell removing medicinal material extracting solution.

(7) Freeze-drying and forming again

And (3) freeze-drying the leech raw material with the self fishy smell removed in the step (6) again at the freeze-drying temperature of-17 ℃ to-5 ℃ for 3h to 4 h. And (3) crushing the gold-edged leech product subjected to freeze-drying molding again, wherein the powder particle size is 500-1000 meshes.

2. The leech fishy smell removing processing method according to claim 1, wherein: the method is characterized in that leeches with golden edges are subjected to hungry treatment before processing, more hungry leeches are purchased during purchase, and the purchased leeches are not fed and placed for 2-4 days.

3. The leech fishy smell removing processing method according to claim 1, wherein: the mucus cleaning agent comprises 60-70% of ethanol, 10-15% of distilled water, 3-2% of baking soda, 1-3% of papain and 15-20% of corn starch, wherein the papain is mixed with the distilled water firstly, an outer coating layer of the papain is removed to activate the papain, and then the corn starch, the ethanol and the baking soda are added in sequence and in proportion.

4. The leech fishy smell removing processing method according to claim 1, wherein: the deodorization medicinal material extracting solution comprises 30-40% of licorice extracting solution, 25-30% of momordica grosvenori extracting solution, 10-15% of angelica extracting solution, 10-15% of perilla leaf solution and 10-15% of fructus trichosanthis solution, wherein licorice, momordica grosvenori and angelica in the medicinal materials are respectively ground into powder, then the powder of the powder is respectively put into a non-woven fabric bag to be soaked for 2 hours, the ratio of the powder of each medicinal material to water is 4:5, and the perilla leaf and the fructus trichosanthis are put into a juicer to be juiced and filtered, so that the extracting solution of each medicinal material is obtained.

5. The leech fishy smell removing processing method according to claim 1, wherein: the ratio of the mixed solution of the fishy smell removing medicinal material extract to the leech raw material with golden edge is 1: 4.

Technical Field

The invention relates to the field of modern agricultural product processing, in particular to a leech fishy smell removing treatment method.

Background

Leech gilt contains hirudin and a plurality of functional polypeptides, and is a medicinal and edible characteristic medicinal material with great prospect. Guangxi is the traditional advantage production area of gilt-edged leeches, and the processing and upgrading of the gilt-edged leech product are promoted, so that a solid industrial foundation is provided. At present, the deep-processed leech products with golden edges mainly have two market directions, one is a medicinal market, and the other is a daily market (health food, functional food, beauty skin care product and new food material). With the concern of people on the health of people, the daily market grows faster and faster, the occupation ratio is larger and larger, and the trend of the daily market surpassing the medicinal market is realized in 10 to 15 years in the future.

In order to ensure the biological activity of leeches and other animal-derived products, low-temperature drying technology is mostly adopted for processing, high-temperature treatment such as airing, frying, cooking and the like in the traditional processing is not carried out, the biological activity of the final product is kept, and the special fishy smell of animals can not be avoided. Consumers in the commodity market are very sensitive to smell, and the existence of fishy smell directly influences the sale of products and indirectly influences the further development of the industry.

Therefore, there is a need to develop a processing technology for removing the fishy smell of gilt-edged leech products, which overcomes the disadvantages of the prior art and promotes the further development of the products.

Disclosure of Invention

The invention aims to provide a leech fishy smell removing treatment method.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a leech fishy smell removing treatment method comprises the following steps:

(1) before working

Controlling the blood content of the golden-edged leech living body to be below 30 percent before purchasing and processing the living leech;

(2) pretreatment of

Mucus cleaning agent is used for removing mucus on the surface of leech. Then, washing golden-edged leeches;

(3) exsanguination process

The golden-edged leech raw material obtained in the step 2 is subjected to cutting and bloodletting by adopting special front piece equipment, and the blood in the digestive cavity of the golden-edged leech is separated from the golden-edged leech by using a centrifugal device, so that the golden-edged leech is cleaned by utilizing edible alcohol after centrifugation is finished, the blood in the body can be further cleaned, and meanwhile, the fishy smell can be removed. Centrifuging and cleaning twice to ensure that blood in the body is completely removed, and simultaneously performing drying treatment;

(4) freeze-drying process

Freezing the gilt-edged leeches treated in the step 3. The freeze drying temperature is-26 to-32 ℃, and the time is 6 to 8 hours;

(5) pulverizing

Crushing the leech raw material subjected to freeze-drying treatment in the step 4, wherein the powder has the particle size of 300-500 meshes;

(6) removing body odor

0.5-2% of trimethylamine monooxygenase is added into the leech powder with golden edge, and the enzymolysis is carried out for 1.5-2.5 h, so that trimethylamine is converted into trimethylamine oxide which is tasteless and has fresh and light sweet taste on the taste, and the taste of the product is improved while the fishy smell is removed. Meanwhile, sweet and spicy medicinal materials such as liquorice, momordica grosvenori, angelica, perilla leaves, fructus piperis and the like are added to cover the fishy smell;

(7) freeze-drying and forming again

And (3) freeze-drying the leech raw material with the self fishy smell removed in the step (6) again at the freeze-drying temperature of-17 ℃ to-5 ℃ for 3h to 4 h. And (3) crushing the gold-edged leech product subjected to freeze-drying molding again, wherein the powder particle size is 500-1000 meshes.

Furthermore, golden-edged leeches are subjected to hungry treatment before processing, and are purchased during purchase, and meanwhile, the purchased leeches are not fed any more and are placed for 2-4 days.

Further, the mucus cleaning agent comprises 60-70% of ethanol, 10-15% of distilled water, 3-2% of baking soda, 1-3% of papain and 15-20% of corn starch, wherein the papain needs to be mixed with the distilled water firstly, an external coating layer of the papain is removed to activate the papain, and then the corn starch, the ethanol and the baking soda are added in sequence and proportion.

Further, the fishy smell removing medicinal material extracting solution is mixed in the following content, the liquorice extracting solution is 30% -40%, the momordica grosvenori extracting solution is 25% -30%, the angelica extracting solution is 10% -15%, the perilla leaf solution is 10% -15%, and the fructus trichosanthis solution is 10% -15%, the liquorice, the momordica grosvenori and the angelica in the medicinal materials are ground into powder respectively, then the powder of the powder is placed into a non-woven fabric bag to be soaked for 2 hours respectively, the ratio of the powder of each medicinal material to water is 4:5, and the perilla leaf and the fructus trichosanthis are placed into a juice extractor to be extracted by juice and filtered, so that the extracting solution of each medicinal.

Further, the ratio of the mixed solution of the fishy smell removing medicinal material extract to the leech raw material is 1: 4.

The principle of the invention is as follows: the fishy smell of gilt-edged leeches mainly comprises two aspects: leech has fishy smell and residual blood in digestive cavity. Mainly utilize ethanol, cornstarch to get rid of its body surface mucus, through the blood separation of centrifugation with golden-edged leech rather than the digestive cavity, reuse trimethylamine monooxygenase enzymolysis production stink trimethylamine, utilize chinese-medicinal material to assist simultaneously to cover golden-edged leech product fishy smell, very big promotion golden-edged leech medicinal material taste, reduce the fishy smell.

The invention has the advantages that:

the technique can effectively remove the fishy smell of the gilt-edged leech product and improve the taste of the product, and the process can perfectly preserve the hirudin contained in the gilt-edged leech and is beneficial to the subsequent processing and production of the leech product.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Other embodiments, which can be derived by one of ordinary skill in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.