CN100339013C - Freshness preserving method for inhibiting chest nut sprout using active chlorine - Google Patents
Freshness preserving method for inhibiting chest nut sprout using active chlorine Download PDFInfo
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- CN100339013C CN100339013C CNB2003101134490A CN200310113449A CN100339013C CN 100339013 C CN100339013 C CN 100339013C CN B2003101134490 A CNB2003101134490 A CN B2003101134490A CN 200310113449 A CN200310113449 A CN 200310113449A CN 100339013 C CN100339013 C CN 100339013C
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- chinese chestnut
- active chlorine
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Abstract
The present invention relates to fresh keeping method for inhibiting Chinese chestnuts from budding in the shelf period, namely that stored Chinese chestnuts are placed in the environment of high-concentration carbon dioxide gas before delivery from storage, and / or the Chinese chestnuts are soaked by a solution containing active chlorine after delivery from storage. The fresh keeping method of the present invention is convenient, effective, safe and practical, and the fresh keeping method has the advantages that high quality of Chinese chestnuts is maintained and the budding rate of Chinese chestnuts in the circulation of the Chinese chestnuts and in the shelf period can be effectively lowered at the same time.
Description
[technical field]
The present invention relates to a kind of agricultural products fresh-keeping technology, relate in particular to a kind of method for storing and refreshing that is used to preserve shelf life and circulation period sprout inhibition after the Chinese chestnut outbound.
[background technology]
Chinese chestnut is a kind of nutritious, crops that economic worth is high, the China Chinese chestnut is compared with European chestnut, American chestnut and Japanese chestnut, have that glutinous property is good, chestnut flavor is dense, the characteristics of easy peeling, its distinctive chestnut fragrance is loved by the people, therefore enjoying high reputation in the world, is the traditional agricultural exports of China.Chinese chestnut production development in recent years is rapid, and cultivated area significantly increases, and output increases rapidly, therefore progressively sells after will passing through Long-term Storage after the harvesting.And the commodity Chinese chestnut is a seed, progresses into rest period after adopting, so Chinese chestnut relatively is fit to deepfreeze and air conditioned storage, and storage period can reach 6-10 month, can control problems such as rotten, dehydration and germination substantially at duration of storage.But 1 year spring, the rest period of Chinese chestnut removed gradually, and transportation after outbound and shelf life are selling period, because the rising of temperature, Chinese chestnut can germinate in a large number, loses commodity value and edibility.Therefore be badly in need of the preservation method that a kind of practicable inhibition Chinese chestnut shelf life germinates.
The inventor is unexpected to be found, no matter which kind of mode of employing is preserved the Chinese chestnut of (husky Tibetan, refrigeration, air conditioned storage), the Chinese chestnut of storage adopts the solution that contains the finite concentration active chlorine to carry out immersion treatment after outbound, not only can control the growth of pathogenic bacteria that causes that Chinese chestnut is rotted, can also effectively suppress the germination percentage of Chinese chestnut.Go back the accident discovery simultaneously, the carbon dioxide with higher concentration before outbound is handled certain hour, the germination percentage after the outbound of the remarkable inhibition of meeting Chinese chestnut between shelf life, and help keeping the quality of Chinese chestnut.So finished the present invention.
[summary of the invention]
The technical problem that is solved
The purpose of this invention is to provide a kind of preservation method that the Chinese chestnut shelf life germinates that suppresses, described method comprises the steps, after outbound, the Chinese chestnut of storage is soaked with the solution that contains active chlorine, and/or before outbound, the Chinese chestnut that preserves is placed the high concentration carbon dioxide gaseous environment.The inventive method can effectively reduce the Chinese chestnut germination percentage, and simple and easy to do.
Technical scheme
The inventor is unexpected to find that the Chinese chestnut of storage adopts the solution that contains the finite concentration active chlorine to soak after outbound, not only can control the growth of pathogenic bacteria that causes that Chinese chestnut is rotted, and can also effectively suppress the germination percentage of Chinese chestnut.
In addition, though often uses at present low concentration of carbon dioxide (the carbon dioxide working concentration is 5-12% usually) to carry out Preservation Treatment in the chestnut storage, the solution that never has bibliographical information to adopt to contain the finite concentration active chlorine has inhibitory action to the shelf life germination of Chinese chestnut.The inventor is unexpected to be found, Chinese chestnut is soaked a period of time in the solution that contains the finite concentration active chlorine, can reach and suppress the effect that Chinese chestnut germinates.And through a large amount of experiment confirms, no matter which kind of mode of employing is preserved the Chinese chestnut of (husky Tibetan, refrigeration, air conditioned storage), after outbound, use the solution immersion treatment certain hour that contains the finite concentration active chlorine, germination percentage after the outbound of the remarkable inhibition of meeting Chinese chestnut between shelf life, and help keeping the quality of Chinese chestnut.
Specifically, purpose of the present invention can realize in the following way:
(1) after outbound, the Chinese chestnut of storage is soaked a period of time with the solution that contains active chlorine, for example 10-30 minute, the active chlorine concentrations of wherein said solution was 100-1000 μ l/l, was preferably 400-600 μ l/l, optium concentration is 500 μ l/l.The described solution that contains active chlorine can be the liquor natrii hypochloritis, and working concentration calculates by the concentration of contained active ingredient active chlorine.
After above-mentioned steps (1) is handled, can reach and suppress the effect that Chinese chestnut germinates.Simultaneously, can also adopt following steps (2) to carry out reprocessing, to reach the effect that better inhibition Chinese chestnut germinates for the Chinese chestnut that above-mentioned steps (1) is handled.
(2) before outbound, the Chinese chestnut of storage is placed＞the carbon dioxide environment of 20% concentration is more than 3 days, and preferred 5-10 days, the concentration of wherein said carbon dioxide was preferably 40%-60% for for example 30%-70%, and optium concentration is 50%.
For the Chinese chestnut of refrigeration, air conditioned storage, can be before outbound, under airtight chestnut storage environment (for example storage, storeroom, or other storage space are at reserve temperature), directly charge into carbon dioxide.For the Chinese chestnut that sand is hidden, obviously Chinese chestnut to be dug out, afterwards it is spread or stack, place under the environment of sealing, and then charge into carbon dioxide and handle.
Above-mentioned two step processing methods can be used separately, promptly before the Chinese chestnut outbound, with carbon dioxide Chinese chestnut is handled according to the method in above-mentioned (2), perhaps after the Chinese chestnut outbound according to the method in above-mentioned (1) with the solution that contains active chlorine for example the liquor natrii hypochloritis Chinese chestnut is handled, all have the effect of remarkable reduction Chinese chestnut shelf life germination percentage; As the two combination promptly can being used carbon dioxide treatment as stated above before outbound, and after outbound with the solution of chloride ion-containing for example the liquor natrii hypochloritis handle, then the effect of sprout inhibition rate is more remarkable, helps keeping the quality of Chinese chestnut.
Beneficial effect
Compared with the prior art the present invention has following advantage:
1, the germination problem of Chinese chestnut shelf life can be solved preferably, in the fine quality that keeps Chinese chestnut, the germination percentage of Chinese chestnut can be effectively reduced.
2, method is simple, and cost is low.
[specific embodiment]
The present invention describes with the following example, but does not limit the present invention.
Embodiment 1: adopt clorox (NaOCl) to carry out Preservation Treatment
After the outbound of storage Chinese chestnut, immersing concentration is in the 500 μ l/l aqueous sodium hypochlorite solutions, pulls out behind the immersion 20min, dries (returning to original weight).Can pack, transport and sell.
Embodiment 2: adopt carbon dioxide (CO
2) carry out Preservation Treatment
The Chinese chestnut of storage before outbound, be placed in the air-conditioned cold store or the big account of plastics in, under reserve temperature, charge into carbon dioxide and reach 50% concentration, under this state, kept 8 days, get final product outbound afterwards, pack, transport and sell.
Embodiment 3: adopt carbon dioxide and clorox to carry out Preservation Treatment
The Chinese chestnut of storage is before outbound, be placed in the air-conditioned cold store or the big account of plastics in, under reserve temperature, charge into carbon dioxide and reach 40% concentration, under this state, kept 7 days, outbound then, immersing concentration is in the 400 μ l/l aqueous sodium hypochlorite solutions, pulls out behind the immersion 10min, dries (returning to original weight).Can pack, transport and sell.
Adopt the effect of the storage Chinese chestnut of the inventive method processing to see the following form 1.
The testing result of germination percentage during table 1 shelf life end in 12 days
| The A group | The B group | The C group | |
| Germination percentage | 0％ | 2.86％ | 18.02％ |
Wherein:
The A group is the bud inhibition effect of embodiment 1 described method (promptly 500 μ l/l NaOCl soak 20min)
The B group (is 50%CO for embodiment 2 described methods
2Handled 8 days) bud inhibition effect
The C group is contrast, is the bud inhibition effect of handling without this method
Above-mentioned result of the test shows: 500 μ l/l NaOCl soak the germination that 20min can suppress the shelf life Chinese chestnut fully; 50%CO
2Handle and also can effectively reduce the germination of Chinese chestnut in 8 days, effect obviously is better than control group.
Though above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, not departing from the these modifications or improvements basically of spirit of the present invention, all belong to the scope of protection of present invention.
Claims (4)
1. one kind is suppressed the preservation method that the Chinese chestnut shelf life germinates, and it is characterized in that after the outbound Chinese chestnut of storage being used the solution immersion treatment that contains active chlorine, and wherein, the active chlorine concentrations of described solution is 100-1000 μ l/l, and the processing time is 10-30 minute.
2. preservation method according to claim 1, wherein, the described solution that contains active chlorine is the liquor natrii hypochloritis.
3. preservation method according to claim 2, wherein, described liquor natrii hypochloritis's active chlorine concentrations is 400-600 μ l/l.
4. according to claim 2 or 3 described preservation methods, wherein, described liquor natrii hypochloritis's concentration is 500 μ l/l.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101134490A CN100339013C (en) | 2003-11-10 | 2003-11-10 | Freshness preserving method for inhibiting chest nut sprout using active chlorine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101134490A CN100339013C (en) | 2003-11-10 | 2003-11-10 | Freshness preserving method for inhibiting chest nut sprout using active chlorine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1615714A CN1615714A (en) | 2005-05-18 |
| CN100339013C true CN100339013C (en) | 2007-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2003101134490A Expired - Fee Related CN100339013C (en) | 2003-11-10 | 2003-11-10 | Freshness preserving method for inhibiting chest nut sprout using active chlorine |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1114140A (en) * | 1994-06-04 | 1996-01-03 | 武汉大学 | Preserving agent for preventing Chinese chestnut from mildewing desiccating, browning and being moth-eaten at normal atmospheric temp. |
| WO2000005969A1 (en) * | 1998-07-27 | 2000-02-10 | Makhteshim Chemical Works Ltd. | Environmentally compatible processes compositions and materials treated thereby |
| CN1398528A (en) * | 2002-09-04 | 2003-02-26 | 浙江省农业科学院 | Chinese chestnut preserving process |
-
2003
- 2003-11-10 CN CNB2003101134490A patent/CN100339013C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1114140A (en) * | 1994-06-04 | 1996-01-03 | 武汉大学 | Preserving agent for preventing Chinese chestnut from mildewing desiccating, browning and being moth-eaten at normal atmospheric temp. |
| WO2000005969A1 (en) * | 1998-07-27 | 2000-02-10 | Makhteshim Chemical Works Ltd. | Environmentally compatible processes compositions and materials treated thereby |
| CN1398528A (en) * | 2002-09-04 | 2003-02-26 | 浙江省农业科学院 | Chinese chestnut preserving process |
Non-Patent Citations (1)
| Title |
|---|
| 苦瓜蛋白构成及其对种子萌发和菌类抑制作用的研究 田义轲，王彩虹，莱阳农学院学报，第17卷第(4)期 2000 * |
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|---|---|
| CN1615714A (en) | 2005-05-18 |
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