CN104904827A - Production storage method for quick-frozen broad bean - Google Patents
Production storage method for quick-frozen broad bean Download PDFInfo
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- CN104904827A CN104904827A CN201510322799.0A CN201510322799A CN104904827A CN 104904827 A CN104904827 A CN 104904827A CN 201510322799 A CN201510322799 A CN 201510322799A CN 104904827 A CN104904827 A CN 104904827A
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Abstract
The invention relates to a production storage method for a quick-frozen broad bean, and belongs to the technical field of food processing. The method comprises the following steps: soaking, blanching, quickly freezing and storing. According to the production storage method for the quick-frozen broad bean provided by the invention, water is atomized into small particles which are smaller than 10 microns by virtue of a high-pressure dry atomizer, so that water mist can be evaporated within a very short period of time after being sprayed out to maintain high humidity in a refrigeration house, therefore, the evaporation speed of the moisture on the surfaces of quick-frozen vegetables is reduced; and the quick-frozen vegetables are fresh.
Description
Technical field
The present invention relates to a kind of production storage method of frozen fresh broad bean, belong to food processing technology field.
Background technology
Due to traditional slow frozen vegetable, in freezing process cell liquid dehydration, moisture forms larger ice crystal, heavy damage cell membrane; After thawing, juice and nutritional labeling run off all in a large number, and meat becomes spongy, and fragility weakens, and amount and matter are all subject to great loss.People are made to have certain misunderstanding to quick-frozen fresh vegetables.
Along with the development of science and technology, quick-frozen fresh vegetables are gradually by people are understood and accept, and in general, quick-frozen fresh vegetables are the same with fresh vegetables nutritious.During quick-frozen fresh vegetables, because the dewatering vegetable time is short, maximum crystal region when moisture can be spent to-5 quickly through zero centigrade, forms tiny ice crystal, unlikely destruction cell membrane with cell gap in cell simultaneously.After thawing, vegetables have good reproducibility, substantially maintain original look, fragrant, taste, shape and nutritional labeling.
Simultaneously, the ingredient requirement of quick-frozen fresh vegetables is higher, must be that best in quality, maturity is suitable, size length evenly, without disease and pest, pollution-free, and after results requirement do not soak, do not tie up, not overlapping pressurized transport in time, from quick-frozen of gathering, difference depending on kind controlled within a few hours, thus ensure that the freshness of raw material.Vegetables after quick-frozen control in low temperature environment always, and the various biochemical reactions of its inside are also suppressed, and can not lose the nutrition in vegetables in quick-frozen transport.
Existing problem is in the storing process of quick-frozen fresh vegetables, although be in low temperature environment, moisture still can drain evaporation gradually, and the holding time of quick-frozen fresh vegetables is reduced greatly.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes the shortcoming of prior art, propose a kind of can the production storage method of holding time longer frozen fresh broad bean.
The present invention is the technical scheme solving the problems of the technologies described above proposition: a kind of production storage method of frozen fresh broad bean; Comprise the steps:
A () gets free from insect pests, free of contamination fresh broad bean, puts into water and soaks 20 to 60 minutes, then use clear water rinsing, then drain;
B broad bean after draining is put into the saline solution blanching 6 to 8 minutes of more than 95 degrees Celsius by (), the salt content of described saline solution is containing 2% to 5%; The environment of aeration-drying is put into after broad bean being pulled out draining, surface moisture is air-dry;
C the broad bean of dry tack free is carried out quick-frozen at low temperature by () in-10 DEG C to-25 DEG C environment;
D broad bean good for quick-frozen is loaded freezer by ();
(e) with dry fog machine with 0.7 to 1Mbpa compressed air make water fogging and spray into freezer; The relative humidity in freezer is kept to remain on 95% to 98%.
The production storage method of frozen fresh broad bean provided by the invention, the dry fog machine of high pressure is utilized to atomize water into the molecule of less than 10 microns, like this, can evaporate in the very short time after water smoke ejection, the very high humidity in freezer is maintained with this, thus reduce the evaporation rate of quick-frozen fresh vegetables surface moisture, make it fresh-keeping.
Such scheme further improves and is: the pressure of supply water of described dry fog machine is 0.4Mbpa to 0.6Mbpa.Such hydraulic pressure can prevent compressed air sky from blowing, and saves energy.
Such scheme further improves and is: the aperture of the spray holes of described dry fog machine is more than or equal to 1.6mm.Can prevent spray holes from blocking like this.
Detailed description of the invention
Embodiment
The production storage method of the frozen fresh broad bean of the present embodiment; Comprise the steps:
A () gets free from insect pests, free of contamination fresh broad bean, puts into water and soaks 20 to 60 minutes, then use clear water rinsing, then drain;
B broad bean after draining is put into the saline solution blanching 6 to 8 minutes of more than 95 degrees Celsius by (), the salt content of described saline solution is containing 2% to 5%; The environment of aeration-drying is put into after broad bean being pulled out draining, surface moisture is air-dry;
C the broad bean of dry tack free is carried out quick-frozen at low temperature by () in-10 DEG C to-25 DEG C environment;
D broad bean good for quick-frozen is loaded freezer by ();
E () to make water fogging with the compressed air of 0.7Mbpa to 1Mbpa with dry fog machine and sprays into freezer; The relative humidity in freezer is kept to remain on 95% to 98%.
The pressure of supply water of the dry fog machine that the present embodiment adopts is 0.4 to 0.6Mbpa, and the aperture of the spray holes of employing is 1.6mm.As required, also larger aperture can be selected.
The present invention is not limited to the various embodiments described above, and all employings are equal to the technical scheme of replacing and being formed, and all drop on the protection domain of application claims.
Claims (3)
1. the production storage method of a frozen fresh broad bean; It is characterized in that comprising the steps:
A () gets free from insect pests, free of contamination fresh broad bean, puts into water and soaks 20 to 60 minutes, then use clear water rinsing, then drain;
B broad bean after draining is put into the saline solution blanching 6 to 8 minutes of more than 95 degrees Celsius by (), the salt content of described saline solution is containing 2% to 5%; The environment of aeration-drying is put into after broad bean being pulled out draining, surface moisture is air-dry;
C the broad bean of dry tack free is carried out quick-frozen at low temperature by () in-10 DEG C to-25 DEG C environment;
D broad bean good for quick-frozen is loaded freezer by ();
(e) with dry fog machine with 0.7 to 1Mbpa compressed air make water fogging and spray into freezer; The relative humidity in freezer is kept to remain on 95% to 98%.
2. the production storage method of frozen fresh broad bean according to claim 1, is characterized in that: the pressure of supply water of described dry fog machine is 0.4Mbpa to 0.6Mbpa.
3. the production storage method of frozen fresh broad bean according to claim 1 or 2, is characterized in that: the aperture of the spray holes of described dry fog machine is more than or equal to 1.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510322799.0A CN104904827A (en) | 2015-06-14 | 2015-06-14 | Production storage method for quick-frozen broad bean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510322799.0A CN104904827A (en) | 2015-06-14 | 2015-06-14 | Production storage method for quick-frozen broad bean |
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| CN104904827A true CN104904827A (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510322799.0A Pending CN104904827A (en) | 2015-06-14 | 2015-06-14 | Production storage method for quick-frozen broad bean |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106172707A (en) * | 2016-07-11 | 2016-12-07 | 合肥扬扬农业科技有限公司 | A kind of production storage method of frozen fresh broad bean |
-
2015
- 2015-06-14 CN CN201510322799.0A patent/CN104904827A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106172707A (en) * | 2016-07-11 | 2016-12-07 | 合肥扬扬农业科技有限公司 | A kind of production storage method of frozen fresh broad bean |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150916 |
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| WD01 | Invention patent application deemed withdrawn after publication |