CN109566727A - The method and its product of quick-frozen fresh fruits fresh adding - Google Patents
The method and its product of quick-frozen fresh fruits fresh adding Download PDFInfo
- Publication number
- CN109566727A CN109566727A CN201710906906.3A CN201710906906A CN109566727A CN 109566727 A CN109566727 A CN 109566727A CN 201710906906 A CN201710906906 A CN 201710906906A CN 109566727 A CN109566727 A CN 109566727A
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- Prior art keywords
- quick
- fresh
- broken wall
- frozen
- product
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/04—Freezing; Subsequent thawing; Cooling
- A23B7/045—Thawing subsequent to freezing
Abstract
This application discloses the methods and its product of a kind of quick-frozen fresh fruits fresh adding.The method of the application quick-frozen fresh fruits fresh adding, includes the following steps, defrosting step: thawing to quick-frozen fresh fruits；Broken wall step: broken wall treatment is carried out to the fruit of defrosting, cellular content is discharged, makes quick-frozen fresh fruits fresh adding.The application carries out broken wall treatment to quick-frozen fresh fruits cell initiatively, discharges cellular content；First is that obtaining High Quality Fruit fragrance and the necessary cellular content of mouthfeel, make quick-frozen fresh fruits fresh adding, allows to directly edible；Second is that the problem of broken wall treatment makes cell or cell wall be crushed, avoid cell Cryogenic burns.In improved plan, the product of broken wall is freezed, fresh mouthfeel and fragrance can also be retained for a long time by slowing down or even stop fruit biochemical reaction without adding any additive or preservative.The fresh adding method and its product of the application, solves quick-frozen fresh fruits fresh adding and fresh-keeping global problem.
Description
Technical field
This application involves quick-frozen fresh fruits fields, more particularly to the method and its product of a kind of quick-frozen fresh fruits fresh adding.
Background technique
Quick-frozen fresh fruits refers to GB/T 31273-2014 " quick-frozen fresh fruits and quick-frozen fresh vegetables production management rule according to national standards
The fruit product of model " preparation.Usually in fruit picking season, since fruit high-volume is mature, and sell not in time or some
Quality or condition it is poor fruit it is unsalable when, have no alternative just can to fruit carry out it is quick-frozen.
Quick-frozen fresh fruits usually will carry out at a temperature of even lower at -18 DEG C, be easy to cause fruit frostbite, lead to fruit
Cell or tissue damage destroys, and influences the color, flavor or quality of fruit, and then influence the quality of fruit.
After quick-frozen fresh fruits thaws, some colors are dimmed, and some even has one taste of turning sour；Also, due to frostbite, quick-frozen water
Fruit usually can all soften after thawing, absolutely not the mouthfeel and fragrance of fresh fruit.Therefore, general quick-frozen fresh fruits can only be used as work
Industry raw material is used to prepare the products such as can, preserved fruit, or for the decoration of cake, cannot directly eat.
Also, because cannot directly eat, the economic value of quick-frozen fresh fruits is with strawberry also well below fresh fruit
Example, the price of fresh strawberry differs at more than ten yuan to dozens of yuan is per jin, and quick-frozen strawberry is as the raw material of industry, and price only has 1-2
Member is per jin or even cheaper.
Summary of the invention
The purpose of the application is to provide the method and its product of a kind of new quick-frozen fresh fruits fresh adding.
The application uses following technical scheme:
The one side of the application discloses a kind of method of quick-frozen fresh fruits fresh adding, includes the following steps,
The step of defrosting: it thaws to quick-frozen fresh fruits；
The step of broken wall: broken wall treatment is carried out to the cell of the fruit of defrosting, cellular content is discharged, realizes quick-frozen fresh fruits
Fresh adding.
The method of the quick-frozen fresh fruits fresh adding of the application, beneficial has the technical effect that
1, color is dimmed after quick-frozen fresh fruits thaws, and quality softens, or even some will appear sour taste, therefore can not directly eat
With；But due to low-temperature preservation, the biochemical reaction of quick-frozen fresh fruits itself, which slows down, even to be stopped, and nutrition does not have much damages
Lose, occur turn sour taste also be surface portion tissue or cellular damage or destroy cause, therefore, in principle be it is edible, only
It is that mouthfeel, taste are poor.The application passes through broken wall treatment, dexterously solve quick-frozen fresh fruits frostbite, quality softening, have sour taste etc.
Problem.The meaning of broken wall treatment is: on the one hand, the cellular content of fruit is discharged by broken wall treatment, obtains High Quality Fruit
Cellular content necessary to fragrance and mouthfeel, also, the release of a large amount of cellular contents, can cover sour taste, so that fruit
Fresh fragrance and mouthfeel are showed, achievees the effect that fresh adding, can directly be eaten, solving quick-frozen fresh fruits can not directly eat
The problem of.On the other hand, the product of broken wall treatment does not see that color is dimmed the problem of softening there is no quality yet.
2, the quality of its product of the method for the application quick-frozen fresh fruits fresh adding: since the cellular content of quick-frozen fresh fruits releases
Come, not only can directly eat, but also even more preferably than the mouthfeel and fragrance of directly edible fresh fruit.Because of the skill of this field
Art personnel are unable to reach good shell-broken effect it is understood that chewing by human teeth, and cellular content is caused to discharge
Very little, thus the smell of people can not experience more fragrance, and the taste bud of people can not experience more mouthfeels, thus nothing
Method obtains better smell and taste experience.
In conclusion the method for the quick-frozen fresh fruits fresh adding of the application can increase the new of quick-frozen fresh fruits by broken wall treatment
Fresh taste and fragrance enable the product of the quick-frozen fresh fruits of the application directly to eat, and have expanded the application range of quick-frozen fresh fruits.
Preferably, after the broken wall the step of, include thing steps that fresh-keeping, fresh-keeping step includes will be after broken wall treatment
Product freezing, in order to store and transport.
It should be noted that the method for the quick-frozen fresh fruits fresh adding of the application, having broken quick-frozen fresh fruits can only be former as industry
Material uses, the Traditional Thinking constraint that cannot directly eat；In improved plan, fresh-keeping step, purpose is exactly to fresh adding
Product afterwards carries out fresh-keeping.On the one hand, slow down the chemical reaction for possibly even stopping each component in quick-frozen fresh fruits broken wall product, make
Fruit product is fresh-keeping, extends the shelf-life of fruit product, can also retain fruit product for a long time without adding any additive
Fresh mouthfeel and fragrance.On the other hand, it the problem of product after broken wall treatment, there is no frostbite, therefore, can protect for a long time
It deposits, those skilled in the art are it is understood that biology only living just understands frostbite, and inorganic matter or organic matter after broken wall
The problem of frostbite is then not present.In addition, the broken wall treatment product after freezing, is also more convenient transport.
Preferably, the temperature of freezing is less than or equal to -6 DEG C.
Preferably, the temperature of freezing is -10 DEG C to -50 DEG C.
It should be noted that the temperature of freezing directly affects the speed that broken wall treatment product freezes, that is to say, that temperature is got over
Low chilling rate is faster；But the temperature of freezing cannot be below the irreversible denaturation temperature of each nutrition；Therefore, the application
It is preferred freezed at -10 DEG C to -50 DEG C, more preferably freezed at -30 DEG C to -35 DEG C, the temperature condition use
Refrigerator or freezer can be realized.
Preferably, freezing is to carry out under inert atmosphere conditions, or carry out under vacuum conditions.
Preferably, broken wall treatment carries out under vacuum or inert atmosphere conditions.
It should be noted that carrying out broken wall treatment in a vacuum or inert atmosphere, the purpose is to avoid fruit from connecing with air
Oxidation reaction occurs for touching.Likewise, freezed in a vacuum or inert atmosphere, purpose is also for avoiding fruit and empty
Gas contact, occurs oxidation reaction；For in principle, when conditions permit, all steps are all preferably in vacuum or lazy
It is carried out under property atmosphere.Wherein, the preferred nitrogen of inert atmosphere.
Preferably, in the method for the quick-frozen fresh fruits fresh adding of the application, quick-frozen fresh fruits is strawberry, durian, banana, peach, black
The certain kind of berries, mulberry fruit, grape, orange, orange, lemon, red bayberry or blueberry.
Wherein, strawberry and durian are relatively common raw material of industry quick-frozen fresh fruits, especially strawberry, and the maturity period is short, at
Ripe strawberry is difficult to store and transport, and therefore, generates a large amount of strawberry quick-frozen fresh fruits.And after quick-frozen strawberry thaws, on the one hand, meeting
There is sour taste, can not directly eat；On the other hand, the quick-frozen strawberry of defrosting is directly edible has sour and astringent sense, and mouthfeel and fragrance are poor.Pomegranate
After thawing, pulp can hardly maintain shape to lotus quick-frozen fresh fruits, can not also eat.
Preferably, the step of defrosting of the application is thawed using ultrasonic wave.
It should be noted that quick-frozen fresh fruits defrosting can be there are many kinds of mode, for example, air thawing, hot water thaw, microwave
Thaw etc.；But the application preferably uses ultrasonic wave to thaw, the cavitation effect to be thawed using ultrasonic wave, so that inside and outside fruit
The problems such as carrying out quick-thawing simultaneously, avoiding water loss caused by defrosting unevenly, ultrasonic wave defrosting can be utmostly
Guarantee fruit quality, have a clear superiority.
Preferably, broken wall treatment carries out under the conditions of 0-18 DEG C, it is preferred that carries out under the conditions of 4-10 DEG C.
It should be noted that broken wall treatment carries out in a low temperature of 0-18 DEG C, be in order to avoid or slow down broken wall product
Chemical reaction.It is appreciated that the temperature cannot be too low, otherwise can frostbite fruit, accordingly, it is preferred that in the water more routinely used
Broken wall treatment is carried out under the conditions of 4-10 DEG C of fruit preservation temperature.
Preferably, the method for the quick-frozen fresh fruits fresh adding of the application, the broken wall the step of after, further include by broken wall treatment
The step of product is dispensed.
Preferably, the step of packing includes being carried out using product of the mold identical with fruit original shape to broken wall treatment
Packing.
It should be noted that being divided in fruit in mold identical with fruit original form, wherein fruit original form
Refer to that the broken wall product of orange by the state before broken wall treatment or cutting process, such as is distributed into the shape of orange by fruit
The broken wall product of banana is distributed into the shape of banana by shape；Open-and-shut it not only can distinguish different broken wall treatments
Product, and create an aesthetic feeling and convenient.Certainly, it is contemplated that the factors such as packing efficiency, the size of mold can be according to production
Product specification is adjusted, and is not specifically limited herein.
Preferably, the method for the quick-frozen fresh fruits fresh adding of the application, the production after further including the steps that broken wall, to broken wall treatment
Object carries out the step of the step of residue and/or concentration；The step of removing residue includes being filtered to the product of broken wall treatment, with
Remove residue；Concentration step includes carrying out vacuumizing concentration to the product of broken wall treatment, to remove extra moisture.
It should be noted that residue step and concentration step is gone selectively to use, it is possible to use only go residue step
Or concentration step, can also simultaneously using removing residue step and concentration step, or need not, specifically, according to handled
Fruit type depending on.Such as fruit higher for some fibre content, and in fiber nonnutritive ingredient or nutrition at
When dividing lower, removal can be filtered to fiber etc.；And fruit higher for some moisture, then concentration can be vacuumized,
Remove most of moisture.
Using concentration is vacuumized, principle is for concentration in the application, in the case where persistently vacuumizing, declines in vacuum degree
To a certain extent, liquid water can evaporate at a lower temperature, such as evaporate in a low temperature of room temperature or 0-10 degrees Celsius, will
The vapor of evaporation detaches, and achievees the effect that vacuum concentration.Wherein, vacuum degree is higher, and the temperature of low-temperature evaporation is lower, i.e. vacuum
Degree is higher, and liquid water can effectively evaporate at lower temperatures.Vacuumizing concentration can be in room temperature or lower temperature
Concentration is realized in lower progress moisture evaporation, and avoiding high temperature or heating evaporation influences fruit quality.
Preferably, the method for the quick-frozen fresh fruits fresh adding of the application, the broken wall the step of before, further include fruit is carried out it is pre-
The step of processing；Pretreated step refer to it is selective sterilized to fruit, decladding, stoning, decontamination, one in sorting
Kind or plurality of step.
It carries out disinfection sterilization treatment it should be noted that sterilizing refers to fruit；Decladding refers to the shell of removal fruit, example
Such as pericarp, shell；Stoning is primarily referred to as the fruit stone of removal fruit；Decontamination refers to impurity portion inedible in removal fruit
Point；Sorting refers to that certain positions that fruit is chosen according to production or product use demand carry out subsequent processing.It is appreciated that
For different quick-frozen fresh fruits, pretreated specific steps are different, such as quick-frozen durian, need to be enucleated in advance, herein not
It is specifically limited.
Preferably, broken wall treatment includes but is not limited to by blade shearing, mechanical disruption, mechanical presses, ultrasonic disruption
Or their hybrid mode, keep the cell of fruit or cell wall broken.
It should be noted that the key of the application is to carry out broken wall treatment to quick-frozen fresh fruits, as specific broken wall treatment
Method can refer to existing wall-breaking method, as long as the cell of quick-frozen fresh fruits and cell wall can be made broken.
The another aspect of the application is product made from the method that discloses using the quick-frozen fresh fruits fresh adding of the application.
The application quick-frozen fresh fruits product is beneficial to be had the technical effect that
1, the quality of quick-frozen fresh fruits product: since the cellular content of quick-frozen fresh fruits releases, so that broken wall treatment
Quick-frozen fresh fruits even has more rich mouthfeel and fragrance than directly edible fresh fruit.Because those skilled in the art can
Understand, good shell-broken effect is unable to reach by human teeth's chewing, causes cellular content release very little, thus people
Smell can not experience more fragrance, and the taste bud of people can not experience more mouthfeels, preferably smell to can not obtain
Feel and taste experience.
2, edible convenience: quick-frozen fresh fruits is not generally directly edible, but uses as the raw material of industry；By the application
Fresh adding method processing after, can directly eat.
Specific embodiment
The application is described in further detail below by specific embodiment.Following embodiment only to the application carry out into
One step explanation, should not be construed as the limitation to the application.
Embodiment
The method of quick-frozen fresh fruits fresh adding, includes the following steps:
1, the step of thawing: thawing to the quick-frozen fresh fruits of selection, and this example is thawed using ultrasonic wave, specifically,
Using a small amount of water as medium, quick-frozen fresh fruits is put into wherein, ultrasonic wave is provided by four direction and thaws, the power of ultrasonic wave
It is 20,000 to 100,000 hertz.Wherein, the medium that functions as of water transmits ultrasonic wave, after the completion of ultrasonic wave thaws, by water
Fruit is dried, and subsequent step is used further to.
Quick-frozen fresh fruits be selected from strawberry, durian, banana, peach, blackberry, blueberry, mulberry fruit, grape, orange, orange, lemon, red bayberry or
Blueberry.Wherein, what peach this example was specifically handled is yellow peach and honey peach.
2, it pretreated step: is sterilized to the fruit of defrosting, decladding, stoning, decontamination or sorting.
Different fruit is selected, pre-treatment step is different:
Such as cleaning and decontamination has been carried out in strawberry, banana, mulberry fruit, blueberry etc. in advance before quick-frozen, and therefore, solution
The step of broken wall can be directly carried out after jelly.
Such as peach, durian, red bayberry then need to carry out stoning processing, peach selectivity carries out peeling processing.
Other fruit according to production requirement, it is selective sterilize, decladding, stoning, decontamination, the pretreatments step such as sorting
Suddenly.
3, the step of broken wall: broken wall treatment is carried out to the cell of above-mentioned pretreated fruit, discharges cellular content.This
30000 revs/min of the ultrahigh rotating speed wall-breaking machine that example broken wall treatment is bought using market.
4, the step of removing residue: for the fruit with certain fiber content, mistake need to have been carried out to broken wall treatment product
Filter processing, to remove residue.After removing residue, the taste and fragrance of quick-frozen fresh fruits are not influenced, it is often more important that, not no residue
It influences, juice is more blurted out.
6, the step of being concentrated: more for moisture fruit, such as orange, orange etc., in the improvement project of this example,
Respectively the broken wall treatment product of orange, orange is carried out vacuumizing concentration, to remove extra moisture, specifically according to broken wall
The moisture content for handling product, concentrates it to the 1/3 to 2/3 of script volume.After vacuumizing concentration, the taste of inspissated juice
Stronger, the fruity of especially orange and orange is denseer.
7, the step of dispensing: the product of broken wall treatment is dispensed.Preferably, by the product of broken wall treatment be dispensed into
In the identical mold of fruit original shape, for example, the broken wall treatment product of orange to be distributed into the shape of orange, by the broken of banana
Wall processing product is distributed into the shape of banana.
In the further improvement project of this example, used mold is all fruit simulation mold, such as the mold of orange,
It itself is exactly the shape and appearance of orange, no matter shape, color are just as genuine orange for mold body, can be with when eating
It is edible to open mold, can also directly be sucked by suction pipe.
8, fresh-keeping step: the broken wall treatment product dispensed is freezed.This example is specifically, freeze at -35 DEG C.
Furthermore, it is contemplated that conveniently taking, in further improvement project, a handheld component is inserted on mold, or
Product after packing is inserted into a handheld component before being freezed, and handheld component generally uses waddy, is being frozen into this way
After type, it may be convenient to be taken by handheld component.
The method and its product of the quick-frozen fresh fruits fresh adding of this example, have the advantage that
1, broken wall step: obtaining the cellular content of quick-frozen fresh fruits by broken wall treatment, so that quick-frozen fresh fruits acquisition is fresh
Cellular content necessary to mouthfeel and taste not only can directly be eaten, moreover, even having than directly edible fresh fruit
Better mouthfeel and taste.
2, fresh-keeping step: being that the quick-frozen fresh fruits of fresh adding is continued to fresh-keeping step, the problem of quick-frozen fresh fruits maximum just exists
In cell or tissue frostbite, leads to dimmed color, quality softening, sour taste occurs；And this example carries out broken wall treatment fresh adding
After freeze, on the one hand, slow down possibly even stop quick-frozen fresh fruits broken wall product in each component chemical reaction, make fruit freshness preserving,
The shelf-life for extending fruit, the fresh mouthfeel and fragrance of fruit product can be retained for a long time without adding any additive also；
It on the other hand, the problem of product after broken wall treatment, there is no frostbite, therefore, can be with long-term preservation, the ordinary skill of this field
Personnel are it is understood that the problem of biology only living just understands frostbite, and frostbite is then not present in the inorganic matter or organic matter after broken wall.
3, edible convenience: the quick-frozen fresh fruits product of this example can directly be eaten after broken wall treatment, so that fast
Frozen fruits have wider purposes other than as the raw material of industry；In addition, by Preservation Treatment, i.e., will after broken wall treatment
After the product freezing of broken wall treatment, not only it can retain for a long time its fresh taste and fragrance with long term storage, moreover, after freezing
Product directly takes out, and is dissolved in after water or melting that it can be served, simply, conveniently, it is graceful.People can be changed to a certain extent
The quality of consumption habit and fruit consumption to fruit.
4, the convenience transported: pass through fresh-keeping step can solve transport and asks after freezing the product of broken wall treatment
Topic, on the one hand, damage there is no fruit or frostbite；On the other hand, the fruit removal after Preservation Treatment is all inedible
Part is not only transported more convenient but also more efficient.
In conclusion the method for the quick-frozen fresh fruits fresh adding of this example, can increase the fresh taste and fragrance of quick-frozen fresh fruits, and
And its fresh taste and fragrance can be retained for a long time by fresh-keeping step.The quick-frozen fresh fruits fresh adding method of this example, so that quick-frozen
Fruit can also directly be eaten, and expand the application range of quick-frozen fresh fruits, solve the generation of quick-frozen fresh fruits fresh adding and long-period freshness preserving
Criticality problem.
The foregoing is a further detailed description of the present application in conjunction with specific implementation manners, and it cannot be said that this Shen
Specific implementation please is only limited to these instructions.For those of ordinary skill in the art to which this application belongs, it is not taking off
Under the premise of from the application design, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the protection of the application
Range.
Claims (10)
1. the method for quick-frozen fresh fruits fresh adding, it is characterised in that: include the following steps,
The step of defrosting: it thaws to quick-frozen fresh fruits；
The step of broken wall: broken wall treatment is carried out to the cell of the fruit of defrosting, cellular content is discharged, makes quick-frozen fresh fruits fresh adding.
2. the method for quick-frozen fresh fruits fresh adding according to claim 1, it is characterised in that: after the broken wall the step of, also wrap
Fresh-keeping step is included, the fresh-keeping step includes by the product freezing after broken wall treatment, in order to store and transport；
Preferably, the temperature of the freezing is less than or equal to -6 DEG C；
Preferably, the temperature of the freezing is -10 DEG C to -50 DEG C；
Preferably, the freezing is to carry out under inert atmosphere conditions, or carry out under vacuum conditions.
3. the method for quick-frozen fresh fruits fresh adding according to claim 1 or 2, it is characterised in that: the step of defrosting uses
Ultrasonic wave thaws.
4. the method for quick-frozen fresh fruits fresh adding according to claim 1 to 3, it is characterised in that: the broken wall treatment
It is to carry out under inert atmosphere conditions, or carry out under vacuum conditions.
5. the method for quick-frozen fresh fruits fresh adding according to any one of claims 1-4, it is characterised in that: the broken wall treatment
It is carried out under the conditions of 0-18 DEG C, it is preferred that the broken wall treatment carries out under the conditions of 4-10 DEG C.
6. the method for quick-frozen fresh fruits fresh adding described in -5 any one according to claim 1, it is characterised in that: the broken wall the step of
Later, further include the steps that the product by the broken wall treatment dispenses；
Preferably, the step of packing includes the product using mold identical with fruit original shape to the broken wall treatment
It is dispensed.
7. the method for quick-frozen fresh fruits fresh adding described in -6 any one according to claim 1, it is characterised in that: further include described
After the step of broken wall, the step of residue is carried out to the product of broken wall treatment；Described the step of removing residue includes at broken wall
The product of reason is filtered, to remove residue.
8. the method for quick-frozen fresh fruits fresh adding described in -7 any one according to claim 1, it is characterised in that: further include described
After the step of broken wall, the step of the product of broken wall treatment is concentrated；The step of concentration includes to broken wall treatment
Product carries out vacuumizing concentration, to remove extra moisture.
9. the method for quick-frozen fresh fruits fresh adding according to any one of claims 1 to 8, it is characterised in that: further include described
Before the step of broken wall, pretreated step is carried out to fruit；The pretreated step refers to selective to fruit progress
One of sterilizing, decladding, stoning, decontamination, sorting or plurality of step.
10. product made from the method according to quick-frozen fresh fruits fresh adding described in any one of claim 1-9.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113229353A (en) * | 2021-06-02 | 2021-08-10 | 渤海大学 | Preparation and thawing method of frozen pear dices thawing solution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113229353A (en) * | 2021-06-02 | 2021-08-10 | 渤海大学 | Preparation and thawing method of frozen pear dices thawing solution |
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Application publication date: 20190405 |