CN102415438A - Method for reducing rotting rate of onion seed bulbs during storage process - Google Patents
Method for reducing rotting rate of onion seed bulbs during storage process Download PDFInfo
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- CN102415438A CN102415438A CN2011101964195A CN201110196419A CN102415438A CN 102415438 A CN102415438 A CN 102415438A CN 2011101964195 A CN2011101964195 A CN 2011101964195A CN 201110196419 A CN201110196419 A CN 201110196419A CN 102415438 A CN102415438 A CN 102415438A
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- onion
- rotting rate
- pulverized limestone
- storage
- bulbs
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Abstract
The invention relates to a method for reducing the rotting rate of onions during the storage process after harvesting, which is characterized by the steps of cutting off stem leaves at the top parts of bulbs, dipping with lime powder at cuts for covering the cuts and then storing. The pH value at the cut parts are further changed, and the bulbs can maintain the weak alkalinity within a longer period of time, thereby suppressing the activity of pectin decomposing enzyme and achieving the purpose of reducing the rotting rate. Tests show that, by adopting the method according to the invention, the rotting rate of onion bulbs can be greatly reduced (the degree is different according to different varieties) in comparison with the rotting rate of the onion bulbs treated without the lime powder, and the rotting rate is lower than that of the onion bulbs treated without the lime powder by 19.8%-25.2%.
Description
Technical field
The present invention relates to a kind of method that reduces rotting rate in the storage of onion results back.
Background technology
Onion has another name called ball green onion, round onions, Onion, onion, and Dutch green onion belongs to the Liliaceae allium, is 2 years these plants of sward.Onion distributes very wide in China, all there is cultivation the various places, north and south, and cultivated area is that present China master plants one of vegetables also in continuous expansion.China has become one of bigger 4 countries (China, India, the U.S., Japan) of onion output.
NORTHWEST CHINA area (is main with Xinjiang) onion is adopted the spring sowing autumn harvest, and the mode of fall planting late spring, early summer results is all adopted in other onion producing region.Common practices is after base of leaf lodged 5-7 days naturally, to gather in the crops; During results onion is uprooped, shone naturally 1-2 days, cut off cauline leaf at the bulb top then in the field; For example be that unit packs in mesh bag or the porose all around plastic box, be placed on the normal temperature laboratory storage of ventilation with 25kg.
Being commonly called as the caused bulb of smut by aspergillus nidulans (Aspergillus niger) rots in a large number; Be greatest problem in the onion storage, generally begin to occur the ball that rots in early July, the ball that rots later on sharply increases; Like the rotten ball of untimely rejecting, whole bag, the rotten phenomenon of FCL can appear.The geographical position gap is bigger though China's planting area mainly distributes; But the ball storage period is planted in the duration of storage or the conduct of onion results back, before sales; The mashed ball phenomenon of onion generally takes place, and the peasant is got bumper crops do not have a good harvest, and the loss of rotting according to the relevent statistics to cause is sometimes up to 37%～41%.The not only influence plantation economic benefit of rotting, and some harmful compositions that rot also can produce, mould and so on for example, the environment that rots simultaneously is more suitable for bacteria living, has aggravated rotten generation.
Though improvement through storage requirement; Cover onion with the green onion leaf when for example gathering in the crops; Whole strain airing is 2～3 days in the original place, treats that the onion epidermis is dry, when cauline leaf is soft, stay the false stem haircut of 1.5cm; Preserve in the shady and cool ventilation place, 0～4 ℃ of storage environment temperature, relative humidity are controlled at 70% with inferior desirable holding conditions.Rot though change storage requirement can be improved some bulbs, working control condition difficulty is bigger, and actual effect is limited, still have to rot to take place, and the generation of rotting will infect, and finally still can take place to rot in a large number.Therefore take to improve storage requirement and reduce rotting rate method in the onion storage, actual effect is all undesirable.Above-mentioned deficiency still has is worth improved place.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned prior art, and the method for rotting rate in the reduction onion kind ball storage that a kind of method is simple, effective, cost is low is provided.
The object of the invention realizes that main the improvement is when onion is gathered in the crops the back storage, to dip in pulverized limestone at the bulb cutting part, thereby overcomes the deficiency of prior art, realizes the object of the invention.Specifically; The present invention reduces the method for rotting rate in the onion kind ball storage, comprises onion results back natural drying, cuts off bulb top cauline leaf; Placement ventilated environment storage is characterized in that cutting off bulb top cauline leaf pulverized limestone on incision is dipped in and stores after covering otch.
Before detailed description, earlier do an introduction, so that those skilled in the art have one clearly to understand to this patent general plotting technical scheme and the basic effect that reaches through the basic function and the effect that can reach to invention.
The a large amount of tests of applicant's warp, analysis, drawing the onion ball rotten mainly is that smut causes that the interior oxalic acid content of cell improves, thereby activates pectic substance catabolic enzyme activity, scale separation, external presentation bulb deliquescing, rotten.And after the bulb incision is dipped in pulverized limestone; Can in the oxalic acid that causes with smut, make bulb keep meta-alkalescence in a long time, thus the activity of compacting pectic substance catabolic enzyme; Keep the strong without putrefaction of bulb; The result shows as rotting rate and obviously reduces, so the main effect of pulverized limestone is not sterilization or the intrusion that prevents germ, but changes bulb pH value.For guaranteeing that bulb keeps meta-alkalescence in a long time, the bulb incision is dipped in pulverized limestone and should be covered otch basically fully, and effect is obvious like this.
The present invention reduces the method for rotting rate in the onion kind ball storage; With respect to prior art; Owing to be employed in and cut the leaf mouth and dip in pulverized limestone (otch covers basically) storage method afterwards, thereby changed the pH value of cutting part, make bulb keep meta-alkalescence in a long time; Thereby the activity of compacting pectic substance catabolic enzyme reaches the reduction rotting rate.Test shows, adopts the inventive method, and onion ball rotting rate reduces (different cultivars is variant) greatly than the onion ball rotting rate of handling without pulverized limestone in the identical time, than the low 19.8%-25.2% of pulverized limestone processing useless.In addition, result of the test shows: its incision of onion ball of dipping in pulverized limestone presents white all the time, and the incision of not dipping in pulverized limestone slowly presents brown, and this can be used as discrimination method of the present invention.
Below in conjunction with a specific embodiment, essence of the present invention is further understood in exemplary illustration and help, but the embodiment detail only is for the present invention is described; Do not represent the present invention to conceive whole technical schemes down; Therefore should not be construed as the technical scheme qualification total to the present invention, some are In the view of the technical staff, and the unsubstantiality that does not depart from the present invention's design increases and/or change; For example simple the change or replacement of technical characterictic to have same or similar technique effect all belongs to protection domain of the present invention.
The specific embodiment
1, onion and pulverized limestone chooses.
Test adopts the autumn to plant the Calusena lansium No. 1 of spring receipts, white skin is early given birth to two onion kinds (Jurong City, Jiangsu Province, the place of production).Lime is selected hydrated lime in powder for use, and (composition is CaCO
3).
2, harvesting, processing and storage.
Lodged naturally at the onion base of leaf May 20 and selected fine day to uproop in 5-7 days, airing is 2 days in the field.At the bulb top end blade is excised then, hold the bulb otch down, be coated with and dip in preprepared pulverized limestone (otch covers basically).Onion ball after will dipping in pulverized limestone again and handling is the unit mesh bag of packing into 50, and totally ten bags of 500 balls are placed on the indoor storage of aeration-drying.
3, contrast: the onion ball that will not dip in pulverized limestone equally is the unit mesh bag of packing into 50, and totally ten bags of 500 balls are placed under the equal environmental condition as contrast.
Begin regularly the onion nodule number that (every at a distance from 12 days) inspection is rotted in June 21 (back 1 month of harvesting storage); The onion ball incision that pulverized limestone is dipped in discovery presents white all the time; And the contrast incision presents brown; The onion rotting rate that statistics was handled with pulverized limestone is starkly lower than the onion that pulverized limestone useless was handled, and concrete statistics sees the following form 1.
Test shows: though there is the different kind inherent cause difference of different its resistances against diseases of onion kind; But two different cultivars are handled rotting rate with dipping in pulverized limestone; Than pulverized limestone useless handle low respectively by 19.8% and 25.2% (to August 8 only; The percentage of rotten shared 500 balls of nodule number of accumulative total was poor during 2 kinds were handled and contrasted with pulverized limestone), can find out that through this test the inventive method is simple, lowered the rotting rate in the onion ball storage greatly.
To those skilled in the art, under this patent design and specific embodiment enlightenment, some distortion that can directly derive or associate from this patent disclosure and general knowledge; Those of ordinary skills will recognize also can adopt additive method, or uses substituting of known technology in the prior art always, and the equivalence of characteristic changes or modification; Mutual various combination between characteristic, for example onion kind, the place of production change, or the like unsubstantiality change; Can be employed equally; Can both realize this patent representation function and effect, launch for example no longer one by one to describe in detail, all belong to this patent protection domain.
Claims (2)
1. reduce the method for rotting rate in the onion kind ball storage, comprise onion results back natural drying, cut off bulb top cauline leaf, place the ventilated environment storage, it is characterized in that cutting off bulb top cauline leaf pulverized limestone on incision is dipped in and store after covering otch.
2. according to the method for rotting rate in the said reduction of the claim 1 onion kind ball storage, it is characterized in that it is that otch is coated with and dips in that incision is dipped in pulverized limestone down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101964195A CN102415438A (en) | 2011-07-14 | 2011-07-14 | Method for reducing rotting rate of onion seed bulbs during storage process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101964195A CN102415438A (en) | 2011-07-14 | 2011-07-14 | Method for reducing rotting rate of onion seed bulbs during storage process |
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| Publication Number | Publication Date |
|---|---|
| CN102415438A true CN102415438A (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101964195A Pending CN102415438A (en) | 2011-07-14 | 2011-07-14 | Method for reducing rotting rate of onion seed bulbs during storage process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961932A (en) * | 2017-04-25 | 2017-07-21 | 连云港市农业科学院 | A kind of storage practice of onion bulb |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4374153A (en) * | 1981-04-01 | 1983-02-15 | Scm Corporation | Process for controlling the pinking of onions |
| JPH0221782B2 (en) * | 1980-05-13 | 1990-05-16 | Furetsuku Kk | |
| JP2004283160A (en) * | 2003-01-31 | 2004-10-14 | Sakura Foods:Kk | Disinfectant for fresh vegetable and method for disinfecting the vegetable |
| DE102009047205A1 (en) * | 2009-11-26 | 2011-06-01 | Berger, Friedhelm, Dr. | Use of a saturated or a supersaturated aqueous solution of calcium hydroxide and/or magnesium hydroxide solution for preserving plant material |
-
2011
- 2011-07-14 CN CN2011101964195A patent/CN102415438A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0221782B2 (en) * | 1980-05-13 | 1990-05-16 | Furetsuku Kk | |
| US4374153A (en) * | 1981-04-01 | 1983-02-15 | Scm Corporation | Process for controlling the pinking of onions |
| JP2004283160A (en) * | 2003-01-31 | 2004-10-14 | Sakura Foods:Kk | Disinfectant for fresh vegetable and method for disinfecting the vegetable |
| DE102009047205A1 (en) * | 2009-11-26 | 2011-06-01 | Berger, Friedhelm, Dr. | Use of a saturated or a supersaturated aqueous solution of calcium hydroxide and/or magnesium hydroxide solution for preserving plant material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961932A (en) * | 2017-04-25 | 2017-07-21 | 连云港市农业科学院 | A kind of storage practice of onion bulb |
| CN106961932B (en) * | 2017-04-25 | 2019-07-23 | 连云港市农业科学院 | A kind of storage practice of onion bulb |
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Application publication date: 20120418 |