CN102812992A - Method for retaining freshness of Chinese cabbage in cold storage - Google Patents
Method for retaining freshness of Chinese cabbage in cold storage Download PDFInfo
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- CN102812992A CN102812992A CN 201110152722 CN201110152722A CN102812992A CN 102812992 A CN102812992 A CN 102812992A CN 201110152722 CN201110152722 CN 201110152722 CN 201110152722 A CN201110152722 A CN 201110152722A CN 102812992 A CN102812992 A CN 102812992A
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Abstract
The invention relates to a method for retaining freshness of Chinese cabbage in a cold storage. The method comprises the steps of forbidding irrigation 10 days before the harvest of the Chinese cabbage, harmlessly harvesting when the Chinese cabbage is eighty percent maturity; drying the harvested Chinese cabbages in the field; getting rid of diseased leaves, injured leaves and decayed leaves; loading into boxes or putting on shelves; stacking scientifically; performing fumigation treatment on the stacked Chinese cabbage with 1-MCP; storing in a cold storage at a temperature of 0 DEG C; and sterilizing with ozone at regular intervals during storage. The Chinese cabbage can be stored for 3-4 months by the method, with a rotting rate lower than 15%. The storage technology is simple, economical and practical.
Description
Technical field
The invention belongs to postharvest technology of fruits and vegetables, particularly a kind of Chinese cabbage preservation method.
Background technology
Chinese cabbage all can be cultivated in China various places, is not only the main vegetables on the northern area winter and spring market, can also adjust the part demand in southern market.The Chinese cabbage happiness cools and moistening storage environment.The freezing point temperature of its lobus cardiacus is-1.2 ℃, but its siphonal lobe just begins to freeze in the time of-0.6 ℃, is lower than-0.6 ℃ for a long time and can produces freeze injury.In the long-term storage process, the waste of Chinese cabbage can reach 30%--50%, and its main cause is to come off, and secondly is rotten weightless with naturally.Cause in the reason that comes off and the storage environment ethylene contents closely related.When ethylene contents surpasses 2.3 * 10-7, can cause coming off.Temperature in the storage environment is higher, or the suffered machinery recovery weight of dish body, and its acetate releasing quantity the more.Also can quicken to come off along with the increase of a dish respiratory intensity in addition and aging, thereby increase loss.Adopt the freezer storage more effectively to control storage environmental condition, take to adorn the method for basket, piling, just can reduce the release and the accumulation of ethene, reduce unnecessary loss, improve storage efficient, realize large-scale Chinese cabbage storage.For improving vegetables market supply emergency preplan, set up the vegetables reserve system technical foundation is provided, to guarantee citizen's vegetable supply demand, stablize vegetable price.This technology will have broad application prospects.
Summary of the invention
Technical problem to be solved by this invention is: the method that the fresh-keeping Chinese cabbage of a kind of freezer is provided.
Technical scheme of the present invention is:
Collecting method: select blue or green mouthful type in late-maturing Chinese cabbage cultivar preserve, should stop pouring in preceding 10 days gathering.Harvest maturity is to reach the dish about eighty per cant heart; The Northeast's collecting time is to be advisable around the Frost's Descent, and the North China then is before and after the Beginning of Winter.Chinese cabbage after gathering needs the natural drying in the field earlier, and its siphonal lobe is sagging and unlikely when upright to dish breaks into suitablely, rebuilds after the airing, extracts yellow group, mashed leaf, tears the auricle and the long part that surpasses leaf-head of leaf of peripheral blade off, and removing has the dish of disease worm.
The warehouse entry and piling method: the shelf of floor height 1.3-1.5 rice are set in the storehouse, adopt the plastics nest method, root is outwardly to putting the mode of 2 dishes inwardly according to leaf in the packing, and 1 layer of dish of each pack gets final product; On shelf, discharge in proper order, by leaving space (5-8 centimetre) between packing and the packing according to each packing; The different layers dish intersects spends sign indicating number, slit to want evenly, and density is consistent; The pile height is about 10-13 layer.Also can adopt frame dress, perhaps direct piling on the ground.
Fresh-keeping treating method: adopt the 1-MCP ethylene inhibitor that Chinese cabbage is handled, method is an airtight storehouse door behind the dish piling, medicament is put into wherein according to operation instruction get final product, and concentration is 900ppb, and fumigation time got final product in 12 hours; Be equipped with one of ozone sterilization equipment in the storehouse, duration of storage regularly carries out sterilization processing to space in the storehouse, and concrete time and amount are according to the equipment operation instruction.
The storage management method: warehouse-in should carry out in batches, in order to avoid the storehouse temperature raises suddenly and influences storage quality; Control storehouse temperature is at-0.5-0.5 ℃, and humidity remains on more than 90%; The dish warehouse-in can be controlled the dish temperature at 5-6 ℃, humidity 60-70% early stage; Drop to 0 ℃ after 20 days, humidity keeps 90%.
This method is regulated and control the storehouse temperature through the mechanical transport cold air, but Long-term Storage, listing successively, storage period 3-4 month.Its advantage is that storage effect is good, and is easy and simple to handle.
The specific embodiment
Select autumn green Chinese cabbage to preserve, stopped pouring in preceding 10 days gathering.Eighty per cant heart gather the back in the field natural drying 3 days, extract yellow group, mashed leaf and peripheral blade, remove the dish that has the disease worm.Employing frame of plastic packing, root is outwardly to putting the mode of 2 dishes inwardly according to leaf in the frame, and each frame is adorned 2 layers of totally 8 dish; Frame leaves 5 spaces according to Chinese character pin-shaped piling between frame and the frame; Different layers intersects spends sign indicating number, and the pile height is about 10 layers.
After filled in the storehouse, airtight storehouse door adopted the 1-MCP ethylene inhibitor that Chinese cabbage is fumigated processing, and concentration is 900ppb, 12 hours unlatching storehouse doors; Be equipped with an ozonization equipment in the storehouse, started shooting once in per 10 days, the time is 1 hour.
The reserve temperature management method is: it is to go into dish after storehouse temperature drops to 0 ℃ that Chinese cabbage is put refrigeration machine unlatching in preceding 2 days in storage; Dish is put preceding 10 days control dish temperature drops to 5 ℃ in storage, drops to 0 ℃ after 20 days, and humidity keeps 90%.3 months storage periods, rotting rate is less than 10%.
Claims (5)
1. the method for the fresh-keeping Chinese cabbage of freezer is characterized in that:
Collecting method: select blue or green mouthful type in late-maturing Chinese cabbage cultivar preserve, should stop pouring in preceding 10 days gathering.Harvest maturity is to reach the dish about eighty per cant heart; The Northeast's collecting time is to be advisable around the Frost's Descent, and the North China then is before and after the Beginning of Winter.Chinese cabbage after gathering needs the natural drying in the field earlier, and its siphonal lobe is sagging and unlikely when upright to dish breaks into suitablely, rebuilds after the airing, extracts yellow group, mashed leaf, tears the auricle and the long part that surpasses leaf-head of leaf of peripheral blade off, and removing has the dish of disease worm.
The warehouse entry and piling method: the shelf of floor height 1.3-1.5 rice are set in the storehouse, adopt the plastics nest method, root is outwardly to putting the mode of 2 dishes inwardly according to leaf in the packing, and 1 layer of dish of each pack gets final product; On shelf, discharge in proper order, by leaving space (5-8 centimetre) between packing and the packing according to each packing; The different layers dish intersects spends sign indicating number, slit to want evenly, and density is consistent; The pile height is about 10-13 layer.Also can adopt frame dress, perhaps direct piling on the ground.
Fresh-keeping treating method: adopt the 1-MCP ethylene inhibitor that Chinese cabbage is handled, method is an airtight storehouse door behind the dish piling, medicament is put into wherein according to operation instruction get final product, and concentration is 900ppb, and fumigation time got final product in 12 hours; Be equipped with one of ozone sterilization equipment in the storehouse, duration of storage regularly carries out sterilization processing to space in the storehouse, and concrete time and amount are according to the equipment operation instruction.
The storage management method: warehouse-in should carry out in batches, in order to avoid the storehouse temperature raises suddenly and influences storage quality; Control storehouse temperature is at-0.5-0.5 ℃, and humidity remains on more than 90%; The dish warehouse-in can be controlled the dish temperature at 5-6 ℃, humidity 60-70% early stage; Drop to 0 ℃ after 20 days, humidity keeps 90%.
2. the method for the fresh-keeping Chinese cabbage of freezer according to claim 1 is characterized in that: collecting method: select blue or green mouthful type in late-maturing Chinese cabbage cultivar preserve, should stop pouring in preceding 10 days gathering.Harvest maturity is to reach the dish about eighty per cant heart; The Northeast's collecting time is to be advisable around the Frost's Descent, and the North China then is before and after the Beginning of Winter.Chinese cabbage after gathering needs the natural drying in the field earlier, and its siphonal lobe is sagging and unlikely when upright to dish breaks into suitablely, rebuilds after the airing, extracts yellow group, mashed leaf, tears the auricle and the long part that surpasses leaf-head of leaf of peripheral blade off, and removing has the dish of disease worm.
3. the method for the fresh-keeping Chinese cabbage of freezer according to claim 1; It is characterized in that: the warehouse entry and piling method: the shelf that floor height 1.3-1.5 rice is set in the storehouse; Adopt the plastics nest method, root is outwardly to putting the mode of 2 dishes inwardly according to leaf in the packing, and 1 layer of dish of each pack gets final product; On shelf, discharge in proper order, by leaving space (5-8 centimetre) between packing and the packing according to each packing; The different layers dish intersects spends sign indicating number, slit to want evenly, and density is consistent; The pile height is about 10-13 layer.Also can adopt frame dress, perhaps direct piling on the ground.
4. the method for the fresh-keeping Chinese cabbage of freezer according to claim 1; It is characterized in that: fresh-keeping treating method: adopt the 1-MCP ethylene inhibitor that Chinese cabbage is handled; Method is an airtight storehouse door behind the dish piling; Medicament put into wherein according to operation instruction get final product, concentration is 900ppb, and fumigation time got final product in 12 hours; Be equipped with one of ozone sterilization equipment in the storehouse, duration of storage regularly carries out sterilization processing to space in the storehouse, and concrete time and amount are according to the equipment operation instruction.
5. the method for the fresh-keeping Chinese cabbage of freezer according to claim 1 is characterized in that: the storage management method: warehouse-in should carry out in batches, in order to avoid the storehouse temperature raises suddenly and influences storage quality; Control storehouse temperature is at-0.5-0.5 ℃, and humidity remains on more than 90%; The dish warehouse-in can be controlled the dish temperature at 5-6 ℃, humidity 60-70% early stage; Drop to 0 ℃ after 20 days, humidity keeps 90%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110152722 CN102812992A (en) | 2011-06-09 | 2011-06-09 | Method for retaining freshness of Chinese cabbage in cold storage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110152722 CN102812992A (en) | 2011-06-09 | 2011-06-09 | Method for retaining freshness of Chinese cabbage in cold storage |
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| CN102812992A true CN102812992A (en) | 2012-12-12 |
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| CN 201110152722 Pending CN102812992A (en) | 2011-06-09 | 2011-06-09 | Method for retaining freshness of Chinese cabbage in cold storage |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104170945A (en) * | 2013-07-24 | 2014-12-03 | 四川农业大学 | Composite preservation technology for Hongyang kiwi fruits and implementation method thereof |
| CN109730142A (en) * | 2019-02-28 | 2019-05-10 | 沈阳农业大学 | A method of reducing the phenomenon that comes off in Chinese cabbage storage |
| CN110050827A (en) * | 2019-06-06 | 2019-07-26 | 北屯金马鞍绿色果蔬有限公司 | A kind of storage practice for preventing Chinese cabbage from coming off |
| CN110547324A (en) * | 2019-09-29 | 2019-12-10 | 云南省农业科学院园艺作物研究所 | Storage and preservation method of baby cabbage |
-
2011
- 2011-06-09 CN CN 201110152722 patent/CN102812992A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104170945A (en) * | 2013-07-24 | 2014-12-03 | 四川农业大学 | Composite preservation technology for Hongyang kiwi fruits and implementation method thereof |
| CN109730142A (en) * | 2019-02-28 | 2019-05-10 | 沈阳农业大学 | A method of reducing the phenomenon that comes off in Chinese cabbage storage |
| CN110050827A (en) * | 2019-06-06 | 2019-07-26 | 北屯金马鞍绿色果蔬有限公司 | A kind of storage practice for preventing Chinese cabbage from coming off |
| CN110050827B (en) * | 2019-06-06 | 2022-03-22 | 北屯金马鞍绿色果蔬有限公司 | Storage method for preventing Chinese cabbage from being stripped |
| CN110547324A (en) * | 2019-09-29 | 2019-12-10 | 云南省农业科学院园艺作物研究所 | Storage and preservation method of baby cabbage |
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Application publication date: 20121212 |