CN104938614A - Preservation method for transport and storage of potatoes - Google Patents
Preservation method for transport and storage of potatoes Download PDFInfo
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- CN104938614A CN104938614A CN201510295158.0A CN201510295158A CN104938614A CN 104938614 A CN104938614 A CN 104938614A CN 201510295158 A CN201510295158 A CN 201510295158A CN 104938614 A CN104938614 A CN 104938614A
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Abstract
The invention provides a preservation method for transport and storage of potatoes to solve the problem that potatoes are very easy to decay during transport and storage. According to the preservation method for transport and storage of potatoes, an enclosed environment is firstly guaranteed; an ozone gas is introduced to make concentration of ozone in a pile of potatoes reach 20-40 mg/m<3>; disinfection is fully carried out; and every once in a while, ozone is supplemented to guarantee a certain concentration of ozone for storage of potatoes. The preservation method for transport and storage of potatoes is not constrained by conditions such as places and the like. The preservation method is simple, has strong operationality and can be adopted to kill various bacteria on the surface of potatoes and in the air. Decay rate of potatoes during transport can be effectively reduced, and loss during storage and transport of potatoes can be decreased simultaneously. By the method, decay rate during transport can be reduced by 5-15%, and storage time of potatoes can be extended by 1-3 months.
Description
Technical field
The invention belongs to food preservative technology field, relate generally to a kind of transport and the preservation method storing potato.
Background technology
Potato is a kind of fresh and alive, easy rotten food.According to statistics, China has at least the potato of 10 ~ 15% to manage because of bad accumulating every year, and the factor such as pathology and physiology causes rotten, and economic loss is huge, is difficult to estimate.Therefore, potato storage is that potato produces the outstanding problem needing with processing enterprise to solve.The progress of antistaling storing technology, effectively can extend the shelf life of potato, reduce the loss that potato is caused because rotting, and then extend the process-cycle of enterprise, reduce acquisition cost, solve potato purchase busy season enterprise's overload operation and purchase "unity enterprise" in dull season cooks without rice " contradiction, improve the economic benefit of enterprise.
China is relatively backward at antistaling storing technical elements, and the dispersion storage substantially in units of peasant household, facility is simple and crude, reserves are little, technical merit is low, loss is large, can not adapt to the requirement of modern production far away.According to investigations, about the actual production of China's Potato ring rot bacteria enterprise on average only reaches the half of production capacity.Trace it to its cause, potato transport and storage and freshness-retaining technology are very large restraining factors.Especially potato transport in fresh-keeping, current or blank.
Summary of the invention
The present invention seeks to solve potato and very easily cause rotten problem in transport with storage, a kind of transport and the preservation method of storage potato are provided, particularly relate to a kind of ozone technology that utilizes and fresh-keeping method is carried out to potato.
The technical solution used in the present invention is: a kind of preservation method of transports potatoes, and concrete steps are as follows:
(1) environmental condition is set: control at 5-15 DEG C by environment temperature airtight for scene, humid control is at 60-95%;
(2) Film mulch process: stack potato by film width and length, stacks complete plastic covering film, with the edge compacting of soil by film, strictly airtight, and can keep the disinfection concentration of ozone;
(3) ventilate: in overlay film, pass into ozone gas, during potato is piled, ozone concentration all reaches 30-40mg/m everywhere
3, disinfecting time is 6 hours;
(4) spend 15 ~ 20 minutes after sterilization, open overlay film, potato entrucking is transported.
Wherein, ozone gas environment is placed in equally in potato transportation.
Invention also provides a kind of preservation method storing potato, concrete steps are as follows:
(1) arrange condition of storage: be placed in by potato in storage vault, the temperature of storage vault controls at 2-15 DEG C, and humid control is at 60-95%;
(2) ozone concentration is controlled: before potato warehouse-in, throw in an ozone gas, until ozone concentration reaches 20-30mg/m in storage vault
3;
Wherein, keep ozone concentration in potato storage process always;
Wherein, after warehouse-in, threw in an ozone gas every 0.5 ~ 2 hour, make ozone concentration in storage vault keep 20-30mg/m
3.
Advantage of the present invention and good effect: transport provided by the invention and the preservation method storing potato, not by the constraint of the conditions such as place, convenient and simple, strong operability, the various bacteriums in potato surface and air can be killed, effective reduction potato rotting rate in transit, reduces potato storage and loss in transit simultaneously, utilizes the method stock potato can extend shelf life 1 ~ 3 month.Calculate by statistics rotting rate 20%, use this method rotting rate in transit can be reduced 5-15% (relevant with area, environment, climate difference factor), with the average purchasing price per kilogram 2 yuan calculating in July, the 2014 potato whole nation, calculate by falling damage 10%, every 1000 tons can be reduced economic loss 200,000 yuan.
Accompanying drawing explanation
Fig. 1 is potato fresh-keeping transport stacking form floor map.
In figure, 1. single sack, 2. one group of four sack, 3. one group of eight sacks, 4. ozone generators, L
1=10cm, L
2=30cm.
Detailed description of the invention
Following Application Example is described further invention.
Embodiment 1: the preservation method of transports potatoes
The method utilizing ozone fresh-keeping to transport central potato provided by the invention, its concrete operation step is as follows:
1) control scene temperature at about 5-15 DEG C, humid control is at 60-95%; Preferably select to carry out disinfection at dusk, keep relative low temperature and the favourable killing pathogenic bacteria of high humidity.
2) overlay film wants tight: stack potato by film width and length, stack complete plastic covering film, stack complete plastic covering film, with the edge compacting of soil by film, strictly airtight, and can keep the disinfection concentration of ozone.
3) stack the length requirement of potato: the length of stacking potato selects suitable length, if long, make the intermediate concentration of stacking potato heap uneven, sterilization is not thorough, ensures that the ozone concentration in the middle of potato heap reaches 30 ~ 40mg/m
3, realize the object of sterilizing.
4) bottom of potato heap requires: erect with wood, height 10cm.
5) ozone concentration requires: often pile disinfection concentration 30 ~ 40mg/m
3, disinfecting time is 6 ~ 12 hours, and ozone generator is opened and within latter 1 hour, used ozone checkout equipment to monitor ozone concentration.
6) require after sterilization: after sterilization, spend 15 ~ 20 minutes, opened by film, entrucking is transported.
Pass through said method, the various bacteriums in potato surface and air can be killed, inhibit rotting of potato, reduce potato loss in transit simultaneously, reduce potato loss 5 ~ 15% in transit, the transportation fresh-retaining expense of per kilogram potato is only 0.07 yuan.
The wherein floor map of potato fresh-keeping transport stacking form as shown in figure 1, in figure, 1. single sack, 2. one group of four sack, 3. one group of eight sacks, 4. ozone generators, L
1=10cm, L
2=30cm.
Long 24.75 meters of tarpaulin canopy cover, wide 6.40 meters, high 2.00 meters, in tarpaulin canopy, spatial volume is 316.8 cubic metres, often wraps 250mm ﹡ 7=1750mm, every layer 172 bag, totally 7 layers.Ozone fumigation time was fixed tentatively as tri-time periods of 24h/16h/12h, can process 1204 bag potatos altogether in tarpaulin canopy.
Embodiment 2: the preservation method of storage potato
Invention also provides the fresh-keeping method for storing of a kind of potato, the method is placed in storage vault by potato, and the temperature of storage vault controls at 2 ~ 15 DEG C, humid control 60 ~ 95%, and throw in ozone gas in storage vault, specific operation process is as follows:
1) before potato warehouse-in, an ozone gas is thrown in, until ozone concentration reaches 20 ~ 30mg/m in storage vault
3, this ozone concentration can kill Escherichia coli in storage vault and the various bacterium such as staphylococcus aureus and staphylococcus albus fast, reaches germ-free condition, cross-infection after preventing potato from putting in storage;
2) threw in an ozone gas every 0.5 ~ 2 hour after warehouse-in, make ozone concentration in storage vault remain on 20 ~ 30mg/m
3, the various mushrooms in air can be killed, keep the germ-free condition in storage vault, delay potato aging rate.
Utilize the method stock potato can extend shelf life 1 ~ 3 month, the expense of storehouse storing and fresh-keeping is only per kilogram 0.05 yuan.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to technical scheme of the present invention.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical scheme of the present invention.
Claims (4)
1. a preservation method for transports potatoes, is characterized in that, the concrete steps of described method are:
(1) environmental condition is set: control at 5-15 DEG C by environment temperature airtight for scene, humid control is at 60-95%;
(2) Film mulch process: stack potato by film width and length, stacks complete plastic covering film, with the edge compacting of soil by film, strictly airtight, and can keep the disinfection concentration of ozone;
(3) ventilate: in overlay film, pass into ozone gas, during potato is piled, ozone concentration all reaches 30-40mg/m everywhere
3, disinfecting time is 6 hours;
(4) spend 15 ~ 20 minutes after sterilization, open overlay film, potato entrucking is transported.
2. the preservation method of a kind of transports potatoes according to claim 1, it is characterized in that, potato is placed in ozone gas environment equally in transportation.
3. store a preservation method for potato, it is characterized in that, the concrete operation step of described method is:
(1) arrange environmental condition: be placed in by potato in storage vault, the temperature of storage vault controls at 2-15 DEG C, and humid control is at 60-95%;
(2) ozone concentration is controlled: before potato warehouse-in, throw in an ozone gas, until ozone concentration reaches 20-30mg/m in storage vault
3, in potato storage process, keep ozone concentration always.
4. a kind of preservation method storing potato according to claim 3, is characterized in that, throws in an ozone gas after warehouse-in every 0.5 ~ 2 hour, makes ozone concentration in storage vault keep 20-30mg/m
3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510295158.0A CN104938614A (en) | 2015-06-02 | 2015-06-02 | Preservation method for transport and storage of potatoes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510295158.0A CN104938614A (en) | 2015-06-02 | 2015-06-02 | Preservation method for transport and storage of potatoes |
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| CN104938614A true CN104938614A (en) | 2015-09-30 |
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| CN201510295158.0A Pending CN104938614A (en) | 2015-06-02 | 2015-06-02 | Preservation method for transport and storage of potatoes |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105432180A (en) * | 2015-12-08 | 2016-03-30 | 安徽省农业科学院园艺研究所 | Ozone sterilization technology of seed potatoes |
| CN105557985A (en) * | 2016-01-25 | 2016-05-11 | 贵阳学院 | Preservation method for gastrodia elata with soil |
| CN107509801A (en) * | 2017-09-08 | 2017-12-26 | 安徽省阜阳永祥良种服务有限责任公司 | A kind of fresh-keeping method for storing of sweet potato |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1729801A (en) * | 2005-09-05 | 2006-02-08 | 陕西师范大学 | Technique for conserving fresh winter date |
| CN1820611A (en) * | 2006-03-24 | 2006-08-23 | 于海涛 | Freshness preserving method for young garlic shoot |
| JP2008161153A (en) * | 2006-12-29 | 2008-07-17 | Mitsubishi Electric Building Techno Service Co Ltd | Long-term preservation method for raw sweet potato |
| CN101228895A (en) * | 2008-02-26 | 2008-07-30 | 仲恺农业技术学院 | Preservation and fresh-keeping method of fruits and vegetables |
| CN101530124A (en) * | 2008-03-12 | 2009-09-16 | 肖传 | Fresh-keeping method of fruits and vegetables |
-
2015
- 2015-06-02 CN CN201510295158.0A patent/CN104938614A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1729801A (en) * | 2005-09-05 | 2006-02-08 | 陕西师范大学 | Technique for conserving fresh winter date |
| CN1820611A (en) * | 2006-03-24 | 2006-08-23 | 于海涛 | Freshness preserving method for young garlic shoot |
| JP2008161153A (en) * | 2006-12-29 | 2008-07-17 | Mitsubishi Electric Building Techno Service Co Ltd | Long-term preservation method for raw sweet potato |
| CN101228895A (en) * | 2008-02-26 | 2008-07-30 | 仲恺农业技术学院 | Preservation and fresh-keeping method of fruits and vegetables |
| CN101530124A (en) * | 2008-03-12 | 2009-09-16 | 肖传 | Fresh-keeping method of fruits and vegetables |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105432180A (en) * | 2015-12-08 | 2016-03-30 | 安徽省农业科学院园艺研究所 | Ozone sterilization technology of seed potatoes |
| CN105557985A (en) * | 2016-01-25 | 2016-05-11 | 贵阳学院 | Preservation method for gastrodia elata with soil |
| CN105557985B (en) * | 2016-01-25 | 2020-04-07 | 贵阳学院 | Fresh-keeping method for gastrodia elata with soil |
| CN107509801A (en) * | 2017-09-08 | 2017-12-26 | 安徽省阜阳永祥良种服务有限责任公司 | A kind of fresh-keeping method for storing of sweet potato |
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Application publication date: 20150930 |