CN105146062A - Preparation method for fish meal with high protein utilization - Google Patents
Preparation method for fish meal with high protein utilization Download PDFInfo
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- CN105146062A CN105146062A CN201510475072.6A CN201510475072A CN105146062A CN 105146062 A CN105146062 A CN 105146062A CN 201510475072 A CN201510475072 A CN 201510475072A CN 105146062 A CN105146062 A CN 105146062A
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Abstract
The present invention provides a preparation method for fish meal with high protein utilization. The preparation method comprises steps of centralized fermentation, drying and crushing, decomposition process, cooking, drying and crushing, puffing and the like. The preparation method has characteristics of simple process, high source material utilization and less waste pollutants, and effectively overcomes the defect that during the traditional process of preparing fish meal from fresh fishes, a fish oil-protein separation step is needed, so that on the one hand, protein content in the fish meal is effectively increased, and the material loss and waste discharge amount in fish meal processing are reduced, on the other hand, large protein chains are effectively degraded, thereby improving the absorption and utilization of proteins. So that processing costs of the fish meal are reduced, and content and absorption rate of nutrients in the fish meal are increased.
Description
Technical field
The present invention relates to a kind of preparation technology of fish meal, is exactly a kind of fish meal preparation method of high protein utilization rate.
Background technology
Current fish meal has very important effect in the industries such as feed, use amount is huge, therefore in order to meet the fish meal market demand, current mainly by directly carrying out fish meal preparation to the method that fresh fish is processed, but find in actual production, due to the moisture content in fresh fish body, grease, large chain protein molecule content is high, therefore the phenomenons such as fish meal goes bad easily are caused to occur, also be unfavorable for the absorption of fish meal nutrition simultaneously, therefore currently carrying out in fish meal production, often through extruding, the modes such as boiling are by the moisture content in fresh fish body, grease and protein are got rid of, and then carry out fish meal preparation, this practice result in fish meal Middle nutrition composition on the one hand and runs off serious, fish meal nutrition is caused to decline, and cause serious material waste, also cause pollutant discharge amount in fish meal process large simultaneously, environmental pollution is serious, to cause on the other hand in fish meal the proteinaceous absorption rate of institute still relatively under, be unfavorable for absorbing, thus had a strong impact on fish meal production and result of use, therefore for this present situation, in the urgent need to developing a kind of brand-new fish meal process of preparing, with the needs that satisfied reality uses.
Summary of the invention
The object of this invention is to provide the fish meal preparation method that the invention provides a kind of high protein utilization rate.
In order to achieve the above object, the invention provides following technical scheme:
A fish meal preparation method for high protein utilization rate, comprises the steps:
The first step, Concentrated fermentation, raw material fish for the preparation of fish meal is left concentratedly, and evenly spray zymocyte liquid to raw material fish, then maintenance raw material fish ambient temperature is constant ferments 1-24 hours in 20 DEG C of-50 DEG C of environment, separately collects the liquid produced that ferments in sweat;
Second step, drying and crushing, mixes the raw material fish by fermentation with the liquid produced that ferments, then drying plant is utilized to dry, after drying, raw material fish water content is not more than 30%, is then pulverized by the raw material fish through drying, and is prepared into the fish block particle that length is not more than 1 centimetre;
3rd step, resolution process, then in fish block particle, add pepsin solution and stir, wherein pepsin solution pH value is 2-5, then will mix pepsic fish block particle and leave standstill 3-8 hours in 20 DEG C of-50 DEG C of sealed environments;
4th step, boiling, in the fish block particle through resolution process, pass into temperature is that the high-temperature water vapor of 45 DEG C-110 DEG C carries out boiling to fish block particle, and digestion time is 8-30 minutes;
5th step, drying and crushing, will dry through boiling treatment of fish block particle, and after drying, fish block particle water content is not more than 5%, then be pulverized by the fish block particle after oven dry, and preparation is not more than the fish meal of 2 millimeters in particle diameter;
6th step, expanding treatment, prepares to the 5th step the fish meal being and carries out high temperature puffing process and can obtain finished product fish meal.
Further, described zymocyte liquid weight is 1%-5% of raw material fish weight.
Further, described pepsin solution adjusts its pH value by hydrochloric acid.
Production technology of the present invention is simple, material resource utilization rate is high, waste pollutant is few, effectively overcome and traditional prepared in fish meal process the step needing to carry out fish oil and Separation of Proteins and operate by fresh fish, thus effectively raise protein content in fish meal on the one hand, reduce material loss and waste discharge amount in fish meal processing, another aspect is effective degrades to larger protein chain, improve the absorption rate of protein, thus reach reduction fish meal processing cost, improve the object of fish meal nutrition content and absorptivity.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is present invention process flow chart.
Detailed description of the invention
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
The fish meal preparation method of a kind of high protein utilization rate as shown in Figure 1, comprises the steps:
The first step, Concentrated fermentation, raw material fish for the preparation of fish meal is left concentratedly, and evenly spray zymocyte liquid to raw material fish, then maintenance raw material fish ambient temperature is constant ferments 10 hours in 36 DEG C of environment, separately collect the liquid produced that ferments in sweat, wherein zymocyte liquid weight is 3% of raw material fish weight;
Second step, drying and crushing, mixes the raw material fish by fermentation with the liquid produced that ferments, then drying plant is utilized to dry, after drying, raw material fish water content is 20%, is then pulverized by the raw material fish through drying, and is prepared into the fish block particle that length is 1 centimetre;
3rd step, resolution process, then in fish block particle, add the pepsin solution prepared by watery hydrochloric acid and stir, wherein pepsin solution pH value is 3, then will mix pepsic fish block particle and leave standstill 5 hours in 37 DEG C of sealed environments;
4th step, boiling, in the fish block particle through resolution process, pass into temperature is that the high-temperature water vapor of 85 DEG C carries out boiling to fish block particle, and digestion time is 20 minutes;
5th step, drying and crushing, will dry through boiling treatment of fish block particle, and after drying, fish block particle water content is 3%, then be pulverized by the fish block particle after oven dry, and preparation is the fish meal of 0.5 millimeter in particle diameter;
6th step, expanding treatment, prepares to the 5th step the fish meal being and carries out high temperature puffing process and can obtain finished product fish meal.
Embodiment 2
The fish meal preparation method of a kind of high protein utilization rate as shown in Figure 1, comprises the steps:
The first step, Concentrated fermentation, raw material fish for the preparation of fish meal is left concentratedly, and evenly spray zymocyte liquid to raw material fish, then maintenance raw material fish ambient temperature is constant ferments 20 hours in 40 DEG C of environment, separately collect the liquid produced that ferments in sweat, wherein zymocyte liquid weight is 1% of raw material fish weight;
Second step, drying and crushing, mixes the raw material fish by fermentation with the liquid produced that ferments, then drying plant is utilized to dry, after drying, raw material fish water content is 10%, is then pulverized by the raw material fish through drying, and is prepared into the fish block particle that length is 0.5 centimetre;
3rd step, resolution process, then in fish block particle, add the pepsin solution prepared by watery hydrochloric acid and stir, wherein pepsin solution pH value is 2, then will mix pepsic fish block particle and leave standstill 8 hours in 36 DEG C of sealed environments;
4th step, boiling, in the fish block particle through resolution process, pass into temperature is that the high-temperature water vapor of 90 DEG C carries out boiling to fish block particle, and digestion time is 30 minutes;
5th step, drying and crushing, will dry through boiling treatment of fish block particle, and after drying, fish block particle water content is 3%, then be pulverized by the fish block particle after oven dry, and preparation is the fish meal of 0.1 millimeter in particle diameter;
6th step, expanding treatment, prepares to the 5th step the fish meal being and carries out high temperature puffing process and can obtain finished product fish meal.
Production technology of the present invention is simple, material resource utilization rate is high, waste pollutant is few, effectively overcome and traditional prepared in fish meal process the step needing to carry out fish oil and Separation of Proteins and operate by fresh fish, thus effectively raise protein content in fish meal on the one hand, reduce material loss and waste discharge amount in fish meal processing, another aspect is effective degrades to larger protein chain, improve the absorption rate of protein, thus reach reduction fish meal processing cost, improve the object of fish meal nutrition content and absorptivity.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (3)
1. a fish meal preparation method for high protein utilization rate, is characterized in that: the fish meal preparation method of described high protein utilization rate comprises the steps:
The first step, Concentrated fermentation, raw material fish for the preparation of fish meal is left concentratedly, and evenly spray zymocyte liquid to raw material fish, then maintenance raw material fish ambient temperature is constant ferments 1-24 hours in 20 DEG C of-50 DEG C of environment, separately collects the liquid produced that ferments in sweat;
Second step, drying and crushing, mixes the raw material fish by fermentation with the liquid produced that ferments, then drying plant is utilized to dry, after drying, raw material fish water content is not more than 30%, is then pulverized by the raw material fish through drying, and is prepared into the fish block particle that length is not more than 1 centimetre;
3rd step, resolution process, then in fish block particle, add pepsin solution and stir, wherein pepsin solution pH value is 2-5, then will mix pepsic fish block particle and leave standstill 3-8 hours in 20 DEG C of-50 DEG C of sealed environments;
4th step, boiling, in the fish block particle through resolution process, pass into temperature is that the high-temperature water vapor of 45 DEG C-110 DEG C carries out boiling to fish block particle, and digestion time is 8-30 minutes;
5th step, drying and crushing, will dry through boiling treatment of fish block particle, and after drying, fish block particle water content is not more than 5%, then be pulverized by the fish block particle after oven dry, and preparation is not more than the fish meal of 2 millimeters in particle diameter;
6th step, expanding treatment, prepares to the 5th step the fish meal being and carries out high temperature puffing process and can obtain finished product fish meal.
2. the fish meal preparation method of a kind of high protein utilization rate according to claim 1, is characterized in that: described zymocyte liquid weight is 1%-5% of raw material fish weight.
3. the fish meal preparation method of a kind of high protein utilization rate according to claim 1, is characterized in that: described pepsin solution adjusts its pH value by hydrochloric acid.
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| CN201510475072.6A CN105146062A (en) | 2015-08-06 | 2015-08-06 | Preparation method for fish meal with high protein utilization |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109393209A (en) * | 2018-11-22 | 2019-03-01 | 武汉新华扬生物股份有限公司 | Shrimp Biofunctional feed and preparation method thereof rich in viable bacteria enzyme living |
| CN111671016A (en) * | 2020-06-24 | 2020-09-18 | 福建天马科技集团股份有限公司 | High-efficiency fish meal for aquatic compound feed and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175362A (en) * | 1996-09-03 | 1998-03-11 | 张玉和 | Active fish meal |
| CN101120721A (en) * | 2007-09-11 | 2008-02-13 | 彭文飞 | Probiotic biological protein feed and preparation method thereof |
| CN102550804A (en) * | 2012-02-04 | 2012-07-11 | 广东海洋大学 | Method for preparing feed protein by mixed fermentation of tilapia leftovers and soybean meals |
-
2015
- 2015-08-06 CN CN201510475072.6A patent/CN105146062A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175362A (en) * | 1996-09-03 | 1998-03-11 | 张玉和 | Active fish meal |
| CN101120721A (en) * | 2007-09-11 | 2008-02-13 | 彭文飞 | Probiotic biological protein feed and preparation method thereof |
| CN102550804A (en) * | 2012-02-04 | 2012-07-11 | 广东海洋大学 | Method for preparing feed protein by mixed fermentation of tilapia leftovers and soybean meals |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109393209A (en) * | 2018-11-22 | 2019-03-01 | 武汉新华扬生物股份有限公司 | Shrimp Biofunctional feed and preparation method thereof rich in viable bacteria enzyme living |
| CN111671016A (en) * | 2020-06-24 | 2020-09-18 | 福建天马科技集团股份有限公司 | High-efficiency fish meal for aquatic compound feed and preparation method thereof |
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