CN1232620A - Litchi fresh-keeping technology during storage and transportation - Google Patents
Litchi fresh-keeping technology during storage and transportation Download PDFInfo
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- CN1232620A CN1232620A CN 99116038 CN99116038A CN1232620A CN 1232620 A CN1232620 A CN 1232620A CN 99116038 CN99116038 CN 99116038 CN 99116038 A CN99116038 A CN 99116038A CN 1232620 A CN1232620 A CN 1232620A
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Abstract
The present invention is the improvement of available litchi fresh-keeping technology and combines the pre-picking production technology and post-picking fresh-keeping technology to form the systemic engineering including incorporated litchi production, fresh-keeping and marketing. It has excellent fresh keeping effect and fresh keeping period up to 30 days. It has wide application range and is suitable for various litchi variations.
Description
The present invention relates to fruit Storage and Transportation, particularly the storage fresh-keeping of lichee.
Lichee is China South China special product fruit, and look gorgeous, meat is thick, local flavor is good to eat, nutritious, and the title of the good fruit in the south of the Five Ridges is arranged, and has won fame both at home and abroad.And the gathering of lichee on the occasion of the high temperature season in midsummer, add that its structure is special, metabolism is vigorous, adopt after very easily rotten and maturity period of browning concentrate, 1～2 day shell browning in results back, pulp begins to go bad, and has a strong impact on the economic worth of lichee.Lichee fresh-keeping just has report in the sixties, the eighties existing lichee fresh-keeping aspect achievement.Because the area of the production of lichee at that time is limited, and marketing method is only limited to the place of production and short distance transportation, so these scientific achievements require to set up for adapting to lichee production at that time and marketing, its achievement produces positive role to lichee production at that time and marketing.Along with the development of the reform and opening-up of China, foreign exchanges, trade, the technology of the antistaling fresh after only being conceived to adopt is with the requirement of commercially producing of the large-area production of incompatibility lichee, big circulation.
Purpose of the present invention: in order to solve the deficiency of present litchi preserving technology, provide a kind of and be applicable to the big production of lichee, big circulation, form industrialization, commercialization, fresh keeping time length, good refreshing effect, be suitable for storing and transporting the synthetical preservation technology of requirement.
Still have vital movement after lichee is adopted, its pericarp structure is special, and metabolism is vigorous, and adopting the back, just to produce browning in 1-2 days rotten.Influencing lichee browning deterioration reason has many-side, and it is the main cause that causes the lichee browning rotten that infecting of the activity of enzymes such as dehydration, polyphenol oxidase of lichee pericarp and microorganism etc. wherein arranged.Therefore, in the preservation technique of lichee, the preservation technique after adopting, the cultivation management measure before also must considering to adopt, the management before adopting is the basis of post-harvest fresh-keeping technology.Litchi fresh-keeping technology during storage and transportation is to implement the overall process of adopting preceding management and post-harvest fresh-keeping, is a system engineering, and scarce one all can not reach the purpose of good refreshing effect.
The present invention is to the comprehensive of prior art and improves that fresh-keeping technology during storage and transportation comprises: the scientific management before lichee is adopted and the prevention and control of plant diseases, pest control, for fresh-keepingly providing that not have disease and pest high-quality litchi fruits be the basis of implementing preservation technique, determining the lichee best maturity of gathering; Fruit is not mature enough, fruit color is bright-coloured inadequately, and local flavor is relatively poor, and fruit is too ripe, and storage tolerance does not carry out Preservation Treatment after the weather of selecting to suit is gathered, adopted immediately, adopts suitable manner of packing, precooling in time, the thermophilic storage, and shelf are sold on the packing.
Now further specify in conjunction with the accompanying drawings:
Fig. 1 implements figure for the technical program
One, the high-quality lichee of anti-the Tibetan adopts preceding management
Have only the management of cultivation technique before paying attention to adopting, do a good job of it and adopt preceding cultivation management, just can produce the fruit that high-quality does not have disease and pest, improve single fruit weight, thereby improved yield per unit area, also significantly reduce the base of a fruit moth rate of fruit, improving the high-quality litchi fruits, is to carry out the fresh-keeping basis of lychee storage.
1. rational pruning: generally carry out after aging adopting back and autumn growth, improve the ventilation and penetrating light condition of orchard and tree crown, tree crown is overstocked, opens on the result bits, can carry out the heavy pruning renewal, helps the normal growth and the prevention and control of plant diseases, pest control of fruit.
2. apply fertilizers scientifically: adopt the heavy fertilizer in back, N, P, K cooperate, and the Application Ratio of N: P: K is to be advisable at 1: 0.39: 1.66, and short fertilizers for potted flowers, Shi Quanfei, fruit-promoting fertilizer are strengthened foliage top dressing based on potassium, utilize girdling technology control shoot fruit retention in the time of suitably.
3. integrated pest prevention and control:
(1) sward overlay management: outside the tree crown drip, broadcast sowing and keep optimum weeds such as pale reddish brown stinkweed, cut at the young sprout aging time and shortly spread go back to ground, can improve the orchard air humidity, adjusting surface temperature, the place of perching and look for food of stablizing the orchard pest natural enemy.
(2) select chemical insecticide for use, the generation of disease and pest before preventing to adopt.
ⅰ. insect pest: emphasis prevents lichee base of a fruit moth.According to base of a fruit moth pests occurrence rule and fruit development feature, to eliminate adult, liquid transfers to when solid-state in fruit kind nuclear, add 800 times of liquid of 90% metrifonate with 400 times of liquid of 25% dimehypo, eliminate the double stinkbug silk worm of controlling of base of a fruit moth adult, when fruit will be justified body, spray 10% go out hundred can 1200 times liquid or 3000 times of liquid of 20% Belmark, when fruit color, spray 2.5% time, 2000 times of liquid.Change mutually with similar agricultural chemicals in different year.
ⅱ. disease: emphasis prevents lichee frost eqpidemic disease.Grasp the peronospora tabacina pests occurrence rule, winter, sick branch fallen leaves were removed in clear garden, and at tree dish following table spray Bordeaux mixture, 500 times of liquid of spraying 65% Sandofan respectively spray 1000 times of liquid of 1 time 58% metalaxyl MnZn before blooming when young fruit period and fruit color.
Two, determine the suitableeest picking time
The lichee that is used for long-term storing is adopted the after ripening degree and should be advisable with eighty per cant, and at this moment, fruit reaches its edible stage with basic zoon, and its exocarp color reaches best red status substantially, but does not also enter the fruit senescence stage, relatively storage tolerance.Can also continue maturation at duration of storage, nutrient constituents of fruit continues to change, and storage its local flavor of later stage sometimes even better than the storage initial stage.Though and the fruit storage tolerance of medium well, light colour and local flavor are all relatively poor, ninety percent ripe lichee is overdone, is unfit to do the usefulness of storage, should sell in the locality.
The time of three, gathering
Should gather in fine morning.Should not be under burning sun or the wind and rain sky gather because temperature height in field under the burning sun, the fruit temperature is difficult to descend, the easy browning of pericarp, quality sharply descends.Gather in the wind and rain sky, because fruit suctioned moisture, easily dehiscent fruit easily produces machinery and hinders, and quickens the propagation of disease and infect, and has a strong impact on storage fresh-keeping effect.
Four, choosing fruit:
Adopt back choosing fruit: reject decayed fruit, dehiscent fruit, disease and pest fruit and foxiness fruit, select anosis wormed fruit, pericarp not to have the brown spot, select the usefulness that the suitable fruit of normal, the ripe degree of growth is done storage fresh-keeping.
Five, cleaning and antistaling agent are handled
Earlier clean fruit with chloride 0.1% cleaning agent, water flushing then, treat dried slightly after, soaked fruit 1 minute with 1000ppM Te Keduo+10ppM basic element of cell division mixed liquor again, pack after drying slightly.
Six, packing:
According to different market demands, packaged form can use the Polythene Bag of plastic box, carton, gift box, liner 0.03mm thickness to pack; The packing that enters the supermarket can adopt the pallet inner wrapping, seals with the antifog preservative film of PVC again.Store and transport under normal temperature condition as need, fruit is used plastic bag packaging earlier after precooling, do external packing with bubble chamber again, and it can play insulation effect, but fresh keeping time is shorter.
Seven, refrigerator car transportation warehouse-in
After gathering in the orchard, can after orchard processing stand packing, transport back freezer precooling refrigeration with refrigerator car as early as possible, after the lichee of also can gathering, be transported to processing factory with refrigerator car immediately and carry out the post-harvest fresh-keeping processing.
Eight, precooling
Lichee was gathered on the occasion of midsummer, the temperature height, and respiration of fruits intensity is big, and water evaporates is fast, and it is rotten rapidly that fruit is adopted the back.Therefore, precooling as early as possible behind the fruit harvesting is to eliminate the field heat of fruit.The precooling mode can be suited measures to local conditions according to the various places actual conditions, and is also very fast as frozen water precooling cooling, but needs constantly on the rocks or require the GM Refrigerator Working chilled water, and increases at disease caused by infectious water bacterium infection chance, and liquor strength is difficult to control.Present working condition generally to force logical cold wind forecooling method comparatively practical, can drop to the fruit temperature near thermophilic in 24 hours, required after the precooling below the fruit temperature drop to 10 ℃.
Nine, thermophilic storage
Generally be advisable with 3～5 ℃ storing temperature, Long-term Storage easily damages to plants caused by sudden drop in temperature at the fruit below 2 ℃, influences storage effect.
Ten, sell
By above-mentioned rules operation, lichee is freshness-retained more than 30 days, good fruit rate is more than 90%, shelf life about 24 hours-48 hours, shelf life is subjected to factor affecting such as shelf condition, packing, fruit harvesting maturity, after storage, list marketing, after leaving refrigerated condition, do not open plastic bag packaging, help the prolongation of shelf time.
Present technique has simple and easy to do, workable, good refreshing effect, freshness date can reach 30 days, and good fruit rate reaches more than 90%, wide accommodation, promptly be applicable on a large scale and commercially produce, also be applicable to small-scale application, applicable to the main lichee kind of lichee major production areas, fresh-keeping as, kinds such as Huaihe River branch, glutinous rice magnetic, osmanthus flavor, white sugar small-mouthed jar.
Claims (8)
1. litchi fresh-keeping technology during storage and transportation is to the comprehensive of prior art and improves, comprise and adopt preceding cultivation management and the prevention and control of plant diseases, pest control and post-harvest fresh-keeping, it is characterized in that selecting the best maturity of lichee to gather, select the fruit picking in morning before the fine day and the sun do not rise from, promptly select really, remove decayed fruit, dehiscent fruit, damage fruit and disease and pest fruit after receiving fruit, to screen the back fruit and clean and sterilization, carry out Preservation Treatment after dried slightly, coolly slightly shine back packing, pre-cold-peace refrigeration.
2. litchi fresh-keeping technology during storage and transportation according to claim 1 is characterized in that the best maturity that lichee is gathered is 8 maturations.
3. litchi fresh-keeping technology during storage and transportation according to claim 1 is characterized in that soaking fruit about 1 minute with chloride 0.1% concentration cleaning agent, rinses well with clear water again.
4. litchi fresh-keeping technology during storage and transportation according to claim 1 is characterized in that soaking fruit with 1000ppM Te Keduo+10ppM basic element of cell division mixed liquor did fresh-keeping processing in 1 minute.
5. litchi fresh-keeping technology during storage and transportation according to claim 1, it is characterized in that lichee after cleaning, sterilization and Preservation Treatment, promptly packs according to Sales Channel, liner 0.03mm thickness Polythene Bag packing, or seal, or use plastic bag packaging with the antifog preservative film of PVC.
6. litchi fresh-keeping technology during storage and transportation according to claim 1 is characterized in that: the method for precooling can be selected vacuum pre-cooling, frozen water precooling, forced ventilation precooling for use, and the fruit temperature after the precooling should be below 10 ℃.
7. litchi fresh-keeping technology during storage and transportation according to claim 1 is characterized in that refrigerated storage temperature is 3～5 ℃.
8. litchi fresh-keeping technology during storage and transportation according to claim 1 is characterized in that: do not unpack when shelf are sold on the lichee.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99116038A CN1073355C (en) | 1999-02-01 | 1999-02-01 | Litchi fresh-keeping technology during storage and transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99116038A CN1073355C (en) | 1999-02-01 | 1999-02-01 | Litchi fresh-keeping technology during storage and transportation |
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| Publication Number | Publication Date |
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| CN1232620A true CN1232620A (en) | 1999-10-27 |
| CN1073355C CN1073355C (en) | 2001-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN99116038A Expired - Fee Related CN1073355C (en) | 1999-02-01 | 1999-02-01 | Litchi fresh-keeping technology during storage and transportation |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094041C (en) * | 2000-10-18 | 2002-11-13 | 华南农业大学 | Process for ordinary-temp antistaling of longan |
| CN1314330C (en) * | 2003-08-22 | 2007-05-09 | 浙江万里学院 | Red bayberry preserving agent and method for energy saving transportation |
| CN100357161C (en) * | 2005-06-16 | 2007-12-26 | 浙江东经包装有限公司 | Freshness preserving package method for fruit non-refrigeration transport |
| CN103283812A (en) * | 2013-05-15 | 2013-09-11 | 华南农业大学 | Preservation technology of litchi, longan or rambutan |
| CN104489056A (en) * | 2014-12-30 | 2015-04-08 | 仲恺农业工程学院 | Frozen fresh storage and transportation method for litchis |
| CN105340605A (en) * | 2015-11-30 | 2016-02-24 | 苏春伟 | Method for preventing litchi fruit cracking |
| CN105379827A (en) * | 2015-11-19 | 2016-03-09 | 广州市从化华隆果菜保鲜有限公司 | Novel fruit and vegetable preserving technique |
| CN112006090A (en) * | 2019-12-31 | 2020-12-01 | 茂名乐穗农业科技有限公司 | Storage, transportation and preservation method for litchi sold by E-commerce |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857124A (en) * | 2017-04-21 | 2017-06-20 | 华中农业大学 | A kind of method for improving citrusfruit postharvest storage performance |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053319C (en) * | 1995-10-19 | 2000-06-14 | 林添波 | Agent for preservation of Lichi fruit |
| CN1153600A (en) * | 1996-10-29 | 1997-07-09 | 山西省农业科学院农产品贮藏保鲜研究所 | Fresh litchi preserving method |
-
1999
- 1999-02-01 CN CN99116038A patent/CN1073355C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094041C (en) * | 2000-10-18 | 2002-11-13 | 华南农业大学 | Process for ordinary-temp antistaling of longan |
| CN1314330C (en) * | 2003-08-22 | 2007-05-09 | 浙江万里学院 | Red bayberry preserving agent and method for energy saving transportation |
| CN100357161C (en) * | 2005-06-16 | 2007-12-26 | 浙江东经包装有限公司 | Freshness preserving package method for fruit non-refrigeration transport |
| CN103283812A (en) * | 2013-05-15 | 2013-09-11 | 华南农业大学 | Preservation technology of litchi, longan or rambutan |
| CN104489056A (en) * | 2014-12-30 | 2015-04-08 | 仲恺农业工程学院 | Frozen fresh storage and transportation method for litchis |
| CN104489056B (en) * | 2014-12-30 | 2017-10-13 | 仲恺农业工程学院 | Frozen fresh storage and transportation method for litchis |
| CN105379827A (en) * | 2015-11-19 | 2016-03-09 | 广州市从化华隆果菜保鲜有限公司 | Novel fruit and vegetable preserving technique |
| CN105340605A (en) * | 2015-11-30 | 2016-02-24 | 苏春伟 | Method for preventing litchi fruit cracking |
| CN105340605B (en) * | 2015-11-30 | 2018-04-10 | 苏春伟 | A kind of method for preventing glutinous rice wrapped in lotus leaves dehiscent fruit |
| CN112006090A (en) * | 2019-12-31 | 2020-12-01 | 茂名乐穗农业科技有限公司 | Storage, transportation and preservation method for litchi sold by E-commerce |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1073355C (en) | 2001-10-24 |
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