CN103960746B - The processing method of thawing of reducible quick-frozen Piza mouthfeel - Google Patents
The processing method of thawing of reducible quick-frozen Piza mouthfeel Download PDFInfo
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- CN103960746B CN103960746B CN201310034935.7A CN201310034935A CN103960746B CN 103960746 B CN103960746 B CN 103960746B CN 201310034935 A CN201310034935 A CN 201310034935A CN 103960746 B CN103960746 B CN 103960746B
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- quick
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- thawing
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/36—Freezing; Subsequent thawing; Cooling
- A23L3/365—Thawing subsequent to freezing
Abstract
The invention discloses a kind of processing method of thawing of reducible quick-frozen Piza mouthfeel, the method comprises the following steps: a, take out and be placed in temperature-controlling cabinet and carry out temperature adjustment being placed on the quick-frozen Piza of storing in refrigerator-freezer, make the temperature of the quick-frozen Piza through adjusting remain on-10 degree between-6 degree; B, the quick-frozen Piza of adjusting temperature in step a is put into baking tray, buckle the ring that blocks that can stop heating using microwave, guarantee is blocked the biscuit part that ring can shelter from quick-frozen Piza periphery and is only exposed the liftout part on biscuit surface, then puts into the micro-wave oven heating that can hold canister and thaws; C, remove and block ring completing the quick-frozen Piza thawing in step b, then put into baking oven together with baking tray and carry out routine baking, toast the Piza that just can obtain afterwards high-quality. The invention has the beneficial effects as follows, thawing rate is fast, does not affect mouthfeel and the freshness of Piza.
Description
Technical field
The present invention relates to the deforst technique of quick-frozen food, particularly a kind of reducible quick-frozen Piza mouthThe processing method of thawing of sense.
Background technology
Along with the development of fast food and fast food, Piza has obtained widely as fast food and fast foodMarket accreditation. In the process of Piza, for the needs that transport, store and make on a large scale,Conventionally can adopt early stage freezing, the later stage thaws and the hot worked method of secondary, but is thawing and second heatIn the process of processing, can allow Piza loss large quantity of moisture after quick-frozen, have a strong impact on the mouthfeel of Piza and newFreshness, and thaw and the hot worked time longer, have a strong impact on client's dining efficiency.
Summary of the invention
To the object of the invention is in order addressing the above problem, to have designed a kind of reducible quick-frozen PizaThe processing method of thawing of mouthfeel.
Realizing above-mentioned purpose technical scheme of the present invention is, a kind of reducible quick-frozen Piza mouthfeelThe processing method of thawing, the method comprises the following steps: a, will be placed on the quick-frozen of storing in refrigerator-freezerPiza takes out and is placed in temperature-controlling cabinet and carries out temperature adjustment, makes the quick-frozen Piza through adjustingTemperature remain between-10 DEG C to-6 DEG C; B, the quick-frozen ratio of temperature will be adjusted in step aSa is put into baking tray, buckles the ring that blocks that can stop heating using microwave, ensures that blocking ring can hideThe biscuit part of blocking quick-frozen Piza periphery is only exposed the liftout part on biscuit surface, then puts intoCan hold heating in the micro-wave oven of canister and thaw, what the time of thawing can be according to quick-frozen PizaThe power of size and micro-wave oven decides; C, remove completing the quick-frozen Piza thawing in step bBlock ring, then put into baking oven together with baking tray and carry out routine baking, after having toasted justCan obtain that mouthfeel is good, the Piza of fresh high-quality.
In described step a, temperature-controlling cabinet is high precision numerical control temperature-controlling cabinet, and temperature in temperature-controlling cabinet mistakeCan not exceed ± 1 degree of difference.
In described step a, in temperature-controlling cabinet, be provided with multi-layer drawer bracket, make the layering of quick-frozen PizaPlace, do not contact and do not affect each other.
In described step b, blocking ring can be that aluminium alloy blocks ring or stainless steel blocks ring.
In described step a, the time of the adjustment temperature of quick-frozen Piza in temperature-controlling cabinet is generally 2-10Hour, in order to offset the impact of cabinet door on temperature control in-cabinet temperature, can be by the temperature control of temperature-controlling cabinetScope is set in-11 degree between-7 degree.
In described step b, the microwave thawing time of quick-frozen Piza is 2 second-20 minute, concreteTime is depended on the power of micro-wave oven.
In described step c, the baking time of Piza is 2 minutes-10 minutes, and the concrete time is depended onThe power of baking oven and function.
Utilize the processing side that thaws of the reducible quick-frozen Piza mouthfeel of technical scheme making of the present inventionMethod, can quick-thawing quick-frozen Piza, makes the quick-frozen Piza that keeps in cold storage, whole in 1-2 minuteBody reaches and causes room temperature, contributes to rapid baking finished product, significantly reduces Customer waiting time; ReductionPiza water loss, than traditional method for rapidly thawing (for example: use common microwave stove highFire thaws), can make frozen pizzas in microwave thawing process, reduce to greatest extent internal waterThe loss dividing, makes Piza products taste and flavour after baking, as co-occurrence system, existing roasting Piza.
Brief description of the drawings
Fig. 1 is that the flow process of the processing method of thawing of reducible quick-frozen Piza mouthfeel of the present invention is shownIntention;
Fig. 2 is the structural representation of temperature-controlling cabinet;
Fig. 3 is the structural representation that blocks ring;
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is specifically described, if Fig. 1 is of the present invention going backThe structural representation of the processing method of thawing of former quick-frozen Piza mouthfeel, as shown in the figure, one can be alsoThe processing method of thawing of former quick-frozen Piza mouthfeel, the method comprises the following steps: a, will be placed onThe quick-frozen Piza of storing in refrigerator-freezer takes out and is placed in temperature-controlling cabinet and carries out temperature adjustment, make throughThe temperature of crossing the quick-frozen Piza of adjusting remains between-10 DEG C to-6 DEG C; B, will in step a, adjustThe quick-frozen Piza of whole good temperature is put into baking tray, buckles the ring that blocks that can stop heating using microwave,The top that biscuit part that ring can shelter from quick-frozen Piza periphery is only exposed biscuit surface is blocked in guaranteeMaterial part, then put into can hold canister micro-wave oven heat thaw; C, by step bIn complete the quick-frozen Piza thawing and remove and block ring, then put into baking oven together with baking tray and enterThe conventional baking of row, toast and just can obtain afterwards that mouthfeel is good, the Piza of fresh high-quality. Wherein,In described step a, temperature-controlling cabinet is high precision numerical control temperature-controlling cabinet, and temperature error in temperature-controlling cabinet is notCan exceed ± 1 degree; In described step a, in temperature-controlling cabinet, be provided with multi-layer drawer bracket, make quick-frozenPiza layering is placed, and does not contact and does not affect each other; In described step b, blocking ring can beAluminium alloy blocks ring or stainless steel blocks ring.
Embodiment
Through great many of experiments, we find, also confirm: at business StoreFront, use micro-wave oven pairBefore the quick-frozen Piza keeping in cold storage carries out quick-thawing, Piza central temperature must be controlled atBetween-10 DEG C to-6 DEG C. Reason is as follows:
1) because the refrigerator-freezer cabinet door switch frequency of business StoreFront is higher, if the speed of storing in refrigerator-freezerWhile freezing Piza central temperature higher than-6 DEG C, reach cause-5 DEG C or more than, thereby enter-5 DEG C to 0DEG C " critical-temperature " interval, this just causes quick-frozen Piza to accelerate loss moisture and in the short timeInside lose quick-frozen quality. So, the quick-frozen Piza of storing in StoreFront freezing freezer, center temperatureDegree must not be higher than-6 DEG C.
2) when the central temperature of quick-frozen Piza is during lower than-10 DEG C, adopt micro-wave oven quick-thawing,Will make the different parts of quick-frozen Piza thaw and very inequality of heated condition, like this, the later stage is roastingWhen Piza processed, Piza central authorities and periphery, Piza liftout and biscuit, the inequality of all can being seriously heated,Cause the finished product Piza sense of taste and mouthfeel quality after baking all very low.
Therefore it is very important how controlling the temperature of quick-frozen Piza between thawing.
In the technical program, we adopt a kind of high-precision numerical control temperature-controlling cabinet to solve thisProblem, is equipped with high-precision digital temperature controller on temperature-controlling cabinet, guarantee that temperature error in temperature-controlling cabinet is notCan exceed ± 1 degree. The temperature inversion bringing in order to offset switch gate, high-precision digital temperature controllerOn temperature be generally set as-11 DEG C to-7 DEG C. Quick-frozen Piza is put into temperature-controlling cabinet, process2--10 hour, reaches product center temperature and causes normal temperature, that is: between-10 DEG C to-6 DEG C.In temperature-controlling cabinet running, if the setting of the actual temperature in temperature-controlling cabinet and digital temperature controllerWhen temperature deviation exceedes positive and negative 1 degree Celsius, digital temperature controller will manipulate the refrigeration system of refrigerator-freezerStart rapidly or close at once, and then reaching the object of adjusting in-cabinet temperature. In order to ensure temperature controlThe residing environment temperature of Piza in cabinet is even, and the drawer type bracket of multilayer is set in temperature-controlling cabinet,The layering of quick-frozen Piza is placed, do not contact each other, do not affect. The main material of drawer type bracketFor stainless steel, framework outer is slightly less than refrigerator-freezer indoor stereo space, in framework, places 5 to 10 layersDrawer type bracket. Drawer type bracket is in rectangular metal frame, to weld many parallel metal bar shapedsThe bar network structure becoming, the level interval of each bonding jumper is: 1cm to 10cm; Levels is taken outThe spacing of drawer formula bracket is about: 2cm to 10cm.
In use, by quick-frozen Piza separately, layered putting on drawer type bracket, make refrigerator-freezerIn cold air can be around Piza circulation comparatively smoothly, and then make each speed in refrigerator-freezerFreeze Piza and reach rapidly the normal temperature of setting within a short period of time, and make each difference of PizaPosition temperature is more even. If quick-frozen Piza is overlayed in freezing freezer and can significantly extend speedFreeze the temperature control reaching standard time of Piza, meanwhile, be easy to cause Piza edge and central partExcessive temperature differentials, directly affects the uniformity of later stage microwave thawing, has a strong impact on finished product baking quality.
Complete after temperature set-up procedure, quick-frozen Piza up to standard temperature control is put into special-purpose metal baking trayIn. Add a cover the ring that blocks that can stop heating using microwave in baking tray upper end, for blocking the edge of PizaPlace does not have liftout covering, complete exposed Piza biscuit part. Experimental result shows: different foodsThe quality of material is different with density, and the speed of accepting heating using microwave is also different, thereby, there is no liftoutCover, completely exposed Piza marginal portion than Piza liftout (for example: meat, vegetables andCheese etc.), accept the excessive velocities of heating using microwave. At the microwave of accepting same time and intensityAfter heating, when Piza liftout reaches while thawing degree, the biscuit part on pizza limit is but by mistakeDegree heating, the problem that causes toasting rear pizza limit color and mouthfeel quality degradation. ThereforeEmploying can stop the biscuit part that ring blocks quick-frozen Piza edge of blocking of heating using microwave. This justCan be within the identical microwave time, the cake edge joint that reduces quick-frozen Piza is subject to the amplitude of heating using microwave,Thereby, significantly dwindle the biscuit part on quick-frozen Sa cake limit and the temperature difference of the liftout part of covering biscuit;And then, significantly promote the microwave thawing quality of quick-frozen Piza.
Block ring and adopt metal material completely, for example: the metal materials such as aluminium alloy or stainless steel.Shape is generally circle, and outer diameter equals or the port outer diameter that is slightly larger than Pizza bakeware (is gotCertainly for example, in the specification of baking tray: six inches, nine inches, 12 inches etc.); Inside diameterBe equal to or slightly less than pizza limit, that is, there is no liftout covering, complete exposed biscuit edge partPoint, be about 1-3cm; Highly: approximate the distance of baking tray port to pizza limit base in baking tray,That is: 0.5cm to 1.5cm.
By quick-frozen Piza, together with baking tray with block ring put into special microwave oven, according to micro-wave ovenPower and product weight set microwave time and intensity, finally start micro-wave oven, to quick-frozen ratioSa Jinhang quick-thawing. The micro-wave oven thawing must can hold metal in microwave heating processUtensil because in microwave heating process, must by metal material block ring and metal roastingDish is together put micro-wave oven into, holds so micro-wave oven must hold metal in heating processDevice.
Complete microwave thawing, take out baking tray from micro-wave oven, then extract and block ring, by baking tray together withPiza is put into baking oven, carries out routine baking. The finished product Piza sense of taste and the mouthfeel that complete baking are completeEntirely fabulous, ensure to greatest extent the freshness of Piza.
In the present invention, adopt block ring coordinate micro-wave oven to carry out microwave thawing method be wholeThe core of individual technology, is only reduction because how to allow quick-frozen Piza be heated evenly in course of defrostingQuick-frozen Piza mouthfeel, does not lose moisture, ensures the important step of quick-frozen Piza quality.
Technique scheme has only embodied the optimal technical scheme of technical solution of the present invention, this technologyThe technical staff in field has all embodied this to some variations that wherein some part may be madeBright principle, within belonging to protection scope of the present invention.
Claims (4)
1. the processing method of thawing of reducible quick-frozen Piza mouthfeel, is characterized in that the partyMethod comprises the following steps:
A, take out and be placed on and in temperature-controlling cabinet, carry out temperature being placed on the quick-frozen Piza of storing in refrigerator-freezerDegree is adjusted, and the temperature of the quick-frozen Piza through adjusting is remained between-10 DEG C to-6 DEG C;
B, the quick-frozen Piza of adjusting temperature in step a is put into baking tray, buckle and can stopHeating using microwave block ring, ensure to block ring and can shelter from the biscuit part of quick-frozen Piza peripheryOnly expose the liftout part on biscuit surface, then put into the micro-wave oven that can hold canister and addPyrolysis is frozen;
C, remove and block ring completing the quick-frozen Piza thawing in step b, then together with baking tray oneRise and put into baking oven and carry out routine baking, toasted and just can obtain afterwards that mouthfeel is good, fresh high-qualityPiza.
2. the processing method of thawing of reducible quick-frozen Piza mouthfeel according to claim 1,It is characterized in that, in described step a, temperature-controlling cabinet is high precision numerical control temperature-controlling cabinet, and in temperature-controlling cabinetTemperature error can not exceed ± 1 degree.
3. the processing method of thawing of reducible quick-frozen Piza mouthfeel according to claim 1,It is characterized in that, in described step a, in temperature-controlling cabinet, be provided with multi-layer drawer bracket, make quick-frozenPiza layering is placed, and does not contact and does not affect each other.
4. the processing method of thawing of reducible quick-frozen Piza mouthfeel according to claim 1,It is characterized in that, in described step b, blocking ring can be that aluminium alloy blocks ring or stainless steel hidesBaffle ring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310034935.7A CN103960746B (en) | 2013-01-30 | 2013-01-30 | The processing method of thawing of reducible quick-frozen Piza mouthfeel |
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| CN201310034935.7A CN103960746B (en) | 2013-01-30 | 2013-01-30 | The processing method of thawing of reducible quick-frozen Piza mouthfeel |
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| CN103960746B true CN103960746B (en) | 2016-05-11 |
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| CN104222211B (en) * | 2014-10-08 | 2016-08-24 | 福州市食品工业研究所 | A kind of quick-freezing rice pizza goods and production method thereof |
| CN113615794A (en) * | 2021-07-12 | 2021-11-09 | 辽宁蓝客优食餐饮管理有限公司 | Method for slowly heating and preserving heat of food |
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