CN107333871A - A kind of antistaling process of winter jujube - Google Patents
A kind of antistaling process of winter jujube Download PDFInfo
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- CN107333871A CN107333871A CN201710410812.7A CN201710410812A CN107333871A CN 107333871 A CN107333871 A CN 107333871A CN 201710410812 A CN201710410812 A CN 201710410812A CN 107333871 A CN107333871 A CN 107333871A
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- Prior art keywords
- winter jujube
- jujube
- door
- fruit
- storage
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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
-
- 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
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23B7/148—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Storage Of Harvested Produce (AREA)
Abstract
The invention discloses a kind of antistaling process of winter jujube, it is to include adopting preceding management → non-injury collection → classification arrangement → place of production precooling → door t door storage → antistaling storing → door t door outbound → cold chain transportation and sales to change technique, during harvesting is passed to consumer from winter jujube original producton location, a cold chain marketing fresh system to be linked up by cryogenic technique is established.It can extend the fresh-keeping of dong jujube phase 23 months using the antistaling process, the nutritional ingredient and health value of winter jujube can be maintained with the long period, rotting for maturity period winter jujube is reduced or avoided, the fresh dates deep processing time can be extended;The quantity of deep processed product had so both been improved, has also increased the added value of winter jujube deep processing.
Description
Technical field
The present invention relates to the preservation field of winter jujube, and in particular to a kind of antistaling process of winter jujube.
Background technology
Winter jujube is as the rare kind in China jujube fruit, because its respiratory intensity is big, belongs to intolerant to storage kind, after harvesting
In the shorter time(Full haw under normal temperature is adopted latter 2~3 days)Easily dehydration, shrinkage, wine are soft mildew and rot, and with a large amount of of Vc
Loss, causes to reduce or loses its commodity value and edibility;Simultaneously winter jujube preservation technology fall behind and industrialization level compared with
It is low, cause fresh-keeping of dong jujube short, selling period is concentrated, and shelf life is short, so that the remote transportation and sales of winter jujube have very big risk, pole
The earth constrains the sound development of winter jujube industry.
At present preservation technology fall behind outstanding behaviours be:
(1)Storage and freshness-retaining technology is unqualified.The method of keeping-freshness storage winter jujube mainly has two major classes at present:Cryopreservation and controlled atmosphere storage
Hide.It is perishable easily rotten because winter jujube water content is high.It is not easy to store, the keeping fresh at normal temperature phase only has 7 days or so.At present, constant heat storage is protected
The fresh phase is 2 months, and air-conditioned cold store freshness date is 3 months.Freshness date is short, shelf life technology is not yet solved the problem, it has also become restricts Zhanhua winter
The problem of jujube industry development.
(2)Cold chain hardware facility level is low.Existing utility equipment is outmoded, development and skewness weighing apparatus, shows " cellar
The simple stored manner such as formula ", " semi-mechanization semi-underground type " and the situation deposited, cause a large amount of losses and the product safety side of winter jujube
Huge hidden danger be present in face.
(3)Cold chain lacks the integrated planning and integration of upstream and downstream.Due to Zhanhua winter jujube industrialization level and production-supply-marketing one
Change level is not also very high, although volume of production and marketing is very big, the comprehensive professional of cold chain had both been lacked in supply chain, has also been lacked
Integrated planning and coordination between supply chain upstream and downstream, serious unbalance be present and can not be supporting phenomenon, have impact on winter jujube cold chain
Resource consolidation and industry promotion.
(4)The Market Orientation of cold chain is low, third-party involvement deficiency.Most of winter jujube logistics distribution business is given birth to by basic unit more
Produce base to complete, the Development of Third-party Logistics of cold chain extremely lags, and service network and information system are unsound.
The presence of these problems, the market demand capacity and market sale radius of winter jujube are had a strong impact on, has constrained Zhanhua
The sound development of winter jujube industry.Cold chain technology is applied to extremely urgent in fresh-keeping of dong jujube.
The content of the invention
In order to solve above the problems of the prior art, a kind of antistaling process of winter jujube of proposition of the invention, profit
It can extend fresh-keeping of dong jujube phase 2-3 month with the antistaling process, the nutritional ingredient and health care valency of winter jujube can be maintained with the long period
Value, rotting for maturity period winter jujube is reduced or avoided, the fresh dates deep processing time can be extended;So both improve deep processed product
Quantity, also increase the added value of winter jujube deep processing.
The technical step that a kind of antistaling process of winter jujube of the application is taken is as follows:
The antistaling process of winter jujube includes adopting preceding management → non-injury collection → classification arrangement → place of production precooling → door t door storage → guarantor
Fresh storage → door t door outbound → cold chain transportation and sales, concrete technology step are:
(1)Adopt preceding management:Technical finesse is carried out in strict accordance with technological process within 10 days before harvesting, forbid to water;
(2)In good time non-injury collection:Winter jujube point haw about 30% harvests when colouring, be crisp ripe, artificial harvesting, with good carpopodium, prevents all
Damage;
(3)Store up pre-treatment:
1. fruit is selected in classification:Strictly select, reject disability fruit, disease pest fruit, Chinese olive, stockless fruit and wilting fruit, and by jujube fruit size and
Maturity classification storage;
2. timely precooling:The pre-cooled rapid cooling of equipment processing of jujube fruit after processing is down to close to storage temperature;
3. door t door is put in storage:Fruit into fresh-keeping state, is equipped with cold wind during into Intelligent control freezer in very first time fast precooling
The docking port of curtain, realize precooling real door t door docking in transit;
(4)Storage storage:Cold storehouse temperature, humidity, CO are strictly controlled during storage2And O2Content, reach the storage of design
The time limit is hidden, sequentially timely outbound sale;
(5)Packing sale:Sorted according to customer requirement, by the winter jujube of outbound by product index classification after load packing case,
Bag.
(6)Cold chain is defeated, matches somebody with somebody:During winter jujube is passed to consumer from the place of production, establishes one and linked up by cryogenic technique
The cold chain marketing fresh system come.
Above step(1)In adopt before management process specifically include:Soil moisture conservation in good time before adopting, hoe is drawn in time and is loosened the soil, field spray chlorine
Change calcium.
Above step(3)The middle pre-cooled equipment processing of jujube fruit by after processing is cooled to 1-3 DEG C of precooling rapidly.
Above step(4)In cold storehouse temperature be -2-0 DEG C, humid control is in 90%--95%, O2Concentration 5% ± 0.5%, CO2
Concentration < 0.1%, in Intelligent control freezer humidity by outside automatic inflating device humidification device into freezer after timing supplementary humidification
Fresh air controls, and can adjust the content of internal oxygen and carbon dioxide.
Above step(6)Middle cold chain marketing fresh system include harvesting after Pre-cooling equipment, transportation intelligent refrigerated car, in
Turn over refrigerator display case, the refrigerator at consumer end of journey.
Beneficial effects of the present invention are:Technical finesse strictly is carried out by technological procedure, and is forbidden within ten days before winter jujube harvesting
Watering, sprays calcium chloride, can improve the calcium content of fruit, reduces the rotting rate during fruit storage;Adopted in batches by maturity
Receive, pay attention to keeping the intact of jujube fruit in harvesting, band carpopodium, prevent jujube fruit from touching, squeezing in harvesting, because inside and outside caused by by external force
Wound, had undesirable effect to antistaling storing work, rotting rate of the winter jujube during storage can effectively be reduced by retaining carpopodium;Adopt rear horse
On carry out classification arrangement, with the special purpose circulation case with air-vent, attached liner protection materials and dense packing effect, with maximum
Reduce mechanical damage to degree;The field heat and respiration heat of fruit can be removed by adopting rear precooling in time, reduced respiratory intensity, made jujube fruit
Rapid drop in temperature, in low consumption state;Ca cold storage is that jujube fruit is placed in closed freezer on the basis of refrigeration, drop
Oxygen contents in low storehouse, respiratory intensity and the consumption of product are reduced, suppresses the generation of pernicious gas, reduces the generation of disease,
Delay the senescence process of product, so as to extend the storage phase of product;By the energy-conservation precision of fresh-keeping warehouse accurately in certain limit
Within, it is ensured that the storage quality of product, improve the service efficiency of fresh-keeping warehouse.By intelligent set, can whole day supervised within 24 hours
Control, the energy-saving efficiency of fresh-keeping warehouse is improved, the precision of reduction system control, bans the violation operation in manual operation, while again
With auto-alarm-signal keying device and defense function, the security that fresh-keeping warehouse uses is substantially increased;The automation of mobile refrigerating plant is realized
Fresh-keeping transport overall process automatically controls, make the preservation technology parameter of internal container exactly by preset program carry out from
Dynamic regulation.
Can extend fresh-keeping of dong jujube phase 2-3 month using the antistaling process, can be maintained with the long period nutrition of winter jujube into
Point and health value, be reduced or avoided maturity period winter jujube rot, the fresh dates deep processing time can be extended;So both improve depth
The quantity of converted products, also increase the added value of winter jujube deep processing.
Embodiment
The following examples are that the present invention is described in further detail.
Embodiment:
1st, scale of the project
The project is located in the institute of winter jujube research institute of Zhanhua area Xia Wa towns Zhanhua County, takes up an area 10000 square metres of the gross area(Close 15 mu),
10200 square metres of overall floorage.
The project year 30000 tons of fresh-keeping distribution capacity, wherein 10000 tons of Zhanhua winter jujube, golden jujube, bell jujube, mother-in-law's jujube and
Other 20000 tons of jujube class products such as hotan jade jujube, grey jujube, fine horse jujube.
The January of i.e. annual late September to next year mainly carries out 10000 tons, 2 months of keeping-freshness storage and cold chain distribution to winter jujube
20000 tons of keeping-freshness storage and cold chain distribution are carried out to golden jujube to early September.
Civil engineering
1)The fresh storehouse of low temperature cold:Take up an area 3800 ㎡, individual layer, 13300 cubes of volume, 2500 tons of reserves, refrigeration design temperature is -2
DEG C to 6 DEG C, minimum temperature is not less than subzero 5 DEG C, is reinforced concrete structure, safety grade of architecture is two level, shockproof classification is
Class C, basic engineering grade are third class, design life 50 years, are pressed《Freezer building engineering construction and acceptance specification(Attached bar
Literary explanation)》(SBJ11-2000)And《Refrigeration plant, air separation equipment installing engineering construction and acceptance specification》(GB50274-
2010)Constructed etc. relevant criterion.
2)Intelligent air conditioning storehouse:Take up an area 3600 ㎡, individual layer, 12600 cubes of volume, 2500 tons of reserves, if 25 standard widths of a room in an old-style house, are
Reinforced concrete structure, safety grade of architecture are two level, and shockproof classification is Class C, and basic engineering grade is third class, and design uses
The time limit 50 years, is pressed《Gas adjusted cold store design specification》(SBJ16-2009)、《Refrigeration plant, air separation equipment installing engineering are applied
Work and acceptance specification》(GB50274-2010)Constructed etc. relevant criterion.
3)Information service building:Take up an area 470 ㎡, three layers, brick mix structure, building structure classification is three classes, and fire prevention is categorized as two
Class, fire resistance rating are two level.One layer is electronic checkout inspection center, classification packaging and home-delivery center;Two layers, three layers are Information Network
Network, trade shows, electronic accounting and electronic commerce center etc..
4)Supporting auxiliary equipment
1. refrigerator room:Take up an area 300 ㎡, brick mix structure, building structure classification is three classes, and fire prevention is categorized as two classes, fire resistance rating
For two level.
2. free warehouse:Take up an area 1000 ㎡, individual layer, steel construction, be mainly used in depositing Turnover Box, maintenance tool etc., building
Structured sort is three classes, and fire prevention is categorized as two classes, and fire resistance rating is two level.
3. switchgear house:Take up an area 90 ㎡, brick mix structure, building structure classification is three classes, and fire prevention is categorized as two classes, fire resistance rating
For two level.
3. the project implementation
The undertaken project unit is established by adopting preceding management → non-injury collection → classification arrangement → production by scientific research and innovation
The antistaling process route of ground precooling → door t door storage → antistaling storing → door t door outbound → cold chain transportation and sales, solves winter jujube guarantor
Fresh key technology difficulty, 500 tons of preservativities are formd, for freshness date up to 120 days, commodity rate and ascorbic storage rate were equal
Up to more than 90%, the keeping-freshness storage and transportation and sales technology of winter jujube are reached the international leading level, and form 500 tons of preservativities.
(1)Adopt preceding management:Preserved soil moisture in good time before adopting within 10 days before harvesting, draw hoe in time and loosen the soil, field spray calcium chloride, forbid to pour
Water;
(2)In good time non-injury collection:Winter jujube point haw about 30% harvests when colouring, be crisp ripe, artificial harvesting, with good carpopodium, prevents all
Damage;
(3)Store up pre-treatment:
1. fruit is selected in classification:Strictly select, reject disability fruit, disease pest fruit, Chinese olive, stockless fruit and wilting fruit, and by jujube fruit size and
Maturity classification storage;
2. timely precooling:The pre-cooled equipment processing of jujube fruit after processing is cooled to 1-3 DEG C of precooling rapidly, is down to close to storage temperature
Degree;
3. door t door is put in storage:Fruit is in very first time fast precooling, by the pre-cooled rapid cooling of equipment processing of jujube fruit after processing
Enter fresh-keeping state to 1-3 DEG C of precooling, be equipped with the docking port of cooling air curtain during into Intelligent control freezer, realize precooling in transit
Real door t door docking;
(4)Storage storage:Strictly to be controlled during storage cold storehouse temperature for -2-0 DEG C, humid control is in 90%--95%, O2It is dense
Spend 5% ± 0.5%, CO2Concentration < 0.1%, humidity is default to freezer by outside automatic inflating device humidification device in Intelligent control freezer
When supplementary humidification after fresh air control, and the content of internal oxygen and carbon dioxide can be adjusted, sequentially timely outbound
Sale;
(5)Packing sale:Sorted according to customer requirement, by the winter jujube of outbound by product index classification after load packing case,
Bag.
(6)Cold chain is defeated, matches somebody with somebody:During winter jujube is passed to consumer from the place of production, establish one is included adopting by cryogenic technique
Refrigerator of the intelligent refrigerated car of Pre-cooling equipment, transportation, the refrigerator display case of transfer process, consumer end after plucking etc. is coherent
The cold chain marketing fresh system got up.
Winter jujube comprehensive preservation cold chain transportation and sales technology segment index is as follows:
(1)Controlled atmosphere technical indicator:
Evaporator is related to storehouse temperature(℃)5 DEG C of <
Oxygen concentration in storehouse(V%)< 5%
Gas concentration lwevel in storehouse(V%)< 0.1%
Oxygen control accuracy(%) ±0.5%
Vacuum:0.015 MPa.
(2)Quality index of the winter jujube after keeping-freshness storage:
One-level commodity rate:Preservation by low temperature storehouse more than 90%;Modified atmosphere fresh-keeping storage more than 95%;Weightless≤5.1%;Soluble solid
36.8%;Reduced sugar >=9.0%;Total reducing sugar 21.2%;Total acid 0.4%;VCMore than the 80.7mg/100g of content 2.
Claims (6)
- A kind of 1. antistaling process of winter jujube, it is characterised in that:The antistaling process of winter jujube include adopt preceding management → non-injury collection → point Level arrangement → place of production precooling → door t door storage → antistaling storing → door t door outbound → cold chain transportation and sales, concrete technology step are:(1)Adopt preceding management:Technical finesse is carried out in strict accordance with technological process within 10 days before harvesting, forbid to water;(2)In good time non-injury collection:Winter jujube point haw about 30% harvests when colouring, be crisp ripe, artificial harvesting, with good carpopodium, prevents all Damage;(3)Store up pre-treatment:1. fruit is selected in classification:Strictly select, reject disability fruit, disease pest fruit, Chinese olive, stockless fruit and wilting fruit, and by jujube fruit size and Maturity classification storage;2. timely precooling:The pre-cooled rapid cooling of equipment processing of jujube fruit after processing is down to close to storage temperature;3. door t door is put in storage:Fruit into fresh-keeping state, is equipped with cold wind during into Intelligent control freezer in very first time fast precooling The docking port of curtain, realize precooling real door t door docking in transit;(4)Storage storage:Cold storehouse temperature, humidity, CO are strictly controlled during storage2And O2Content, reach the storage of design Time limit, sequentially timely outbound sale;(5)Packing sale:Sorted according to customer requirement, by the winter jujube of outbound by product index classification after load packing case, Bag;(6)Cold chain is defeated, matches somebody with somebody:During winter jujube is passed to consumer from the place of production, establishes one and linked up by cryogenic technique Cold chain marketing fresh system.
- A kind of 2. antistaling process of winter jujube as claimed in claim 1, it is characterised in that step(1)In adopt before management process it is specific Including:Soil moisture conservation in good time before adopting, hoe is drawn in time and is loosened the soil, field spray calcium chloride.
- A kind of 3. antistaling process of winter jujube as claimed in claim 1, it is characterised in that:Step(3)The middle jujube fruit by after processing Pre-cooled equipment processing is cooled to 1-3 DEG C of precooling rapidly.
- A kind of 4. antistaling process of winter jujube as claimed in claim 1, it is characterised in that:Step(4)In cold storehouse temperature be -2- 0 DEG C, humid control is in 90%--95%, O2Concentration 5% ± 0.5%, CO2Concentration < 0.1%.
- A kind of 5. antistaling process of winter jujube as claimed in claim 4, it is characterised in that:Humidity passes through outer in Intelligent control freezer Fresh air of portion's automatic inflating device humidification device into freezer after timing supplementary humidification controls, and can adjust internal oxygen and The content of carbon dioxide.
- A kind of 6. antistaling process of winter jujube as claimed in claim 1, it is characterised in that:Step(6)Middle cold chain marketing fresh system bag Include Pre-cooling equipment, the intelligent refrigerated car of transportation, the refrigerator display case of transfer process, the refrigerator at consumer end after harvesting.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108497046A (en) * | 2018-04-10 | 2018-09-07 | 滨州市沾化区冬枣实业总公司 | A kind of winter jujube transportation fresh-retaining cold chain system |
CN112185529A (en) * | 2020-09-27 | 2021-01-05 | 姜智广 | Cold chain transportation effectiveness monitoring system and method |
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CN1504096A (en) * | 2002-12-04 | 2004-06-16 | 李硅凤 | Fresh-keeping method of Chinese date |
CN1682598A (en) * | 2004-12-29 | 2005-10-19 | 天津科技大学 | Method for freshness keeping of winter dates |
CN101204173A (en) * | 2007-12-04 | 2008-06-25 | 冷平 | Method for fruits biological freezing point preservation and the storehouse |
CN106615042A (en) * | 2016-10-10 | 2017-05-10 | 泾阳佳沃农业有限公司 | Winter jujube preservation and storage method and equipment |
-
2017
- 2017-06-04 CN CN201710410812.7A patent/CN107333871A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1504096A (en) * | 2002-12-04 | 2004-06-16 | 李硅凤 | Fresh-keeping method of Chinese date |
CN1682598A (en) * | 2004-12-29 | 2005-10-19 | 天津科技大学 | Method for freshness keeping of winter dates |
CN101204173A (en) * | 2007-12-04 | 2008-06-25 | 冷平 | Method for fruits biological freezing point preservation and the storehouse |
CN106615042A (en) * | 2016-10-10 | 2017-05-10 | 泾阳佳沃农业有限公司 | Winter jujube preservation and storage method and equipment |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108497046A (en) * | 2018-04-10 | 2018-09-07 | 滨州市沾化区冬枣实业总公司 | A kind of winter jujube transportation fresh-retaining cold chain system |
CN112185529A (en) * | 2020-09-27 | 2021-01-05 | 姜智广 | Cold chain transportation effectiveness monitoring system and method |
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