CN1251742A - Laser antistaling method for agricultural and subsidiary products, food and biologic products - Google Patents
Laser antistaling method for agricultural and subsidiary products, food and biologic products Download PDFInfo
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- CN1251742A CN1251742A CN98121632A CN98121632A CN1251742A CN 1251742 A CN1251742 A CN 1251742A CN 98121632 A CN98121632 A CN 98121632A CN 98121632 A CN98121632 A CN 98121632A CN 1251742 A CN1251742 A CN 1251742A
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- laser
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- products
- biological products
- agricultural byproducts
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- Storage Of Fruits Or Vegetables (AREA)
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Abstract
A laser antistaling method for agricultural and subsidiary products, food and biologic products features that said products and food are radiated by laser to kill insects and bacteria and prevent them from being mildewed, eroded and changed in quality, resulting in long antistaling period. Its advantages include low cost and energy consumption, no medium pollution and keeping the nutritive components of the products and food.
Description
The present invention relates to the laser antistaling method of a kind of agricultural byproducts, food and biological products.
In actual life, many agricultural byproducts (as potato, onion, garlic, grain, vegetables etc.), food and biological products all need to carry out fresh-keeping.For a long time, preservation technique is confined to means such as traditional heat treatment, freezing, dry, dipping, sootiness.But these methods respectively have its weak point: consume high as the freezing energy; Heating, dry, the original local flavor of infusion process malleable food; The obvious increase of food carcinogenic substance after the sootiness etc.
Purpose of the present invention is exactly at above-mentioned problems of the prior art, the laser antistaling method of a kind of agricultural byproducts, food and biological products is provided, this method not only energy consumption is low, and pollutes in the middle of not having with the article that this method is handled and can keep the original local flavor of food again.
Technical scheme provided by the invention is the laser antistaling method of a kind of agricultural byproducts, food and biological products, and its main points are that agricultural byproducts or food or biological products are shone under laser.
The irradiation power of above-mentioned laser is 1～5000W, and irradiation time is 1～60 second.
And described laser is from CO
2Lasing light emitter, YAG lasing light emitter or two double-frequency laser sources.
And the scanning of described laser is 1～2 * 10
6Mm
2
By method provided by the invention, by agricultural byproducts, food or biological products are carried out the laser treatment with irradiation, play effects such as desinsection, sterilization, thereby prevent industrial crops, prepared food, vegetables, health products, nutriment etc. pathology, go mouldy, rot, rotten, simultaneously, laser has inhibition or killing effect to the auxocyte of biology, can sprout inhibition.Therefore, method provided by the invention can make through agricultural byproducts, food or biological products that the laser treatment with irradiation is crossed fresh-keeping in long storage life.The present invention is owing to adopt little, the free of contamination laser of energy consumption that agricultural byproducts, food or biological products are carried out treatment with irradiation, thereby it is low to have energy consumption, and there be not middle the pollution with the article that this method is handled, processed food increases temperature hardly in processing procedure, therefore can keep original aesthetic quality of food and local flavor.
Below by embodiment the present invention is further described.
Method provided by the invention is by agricultural byproducts, food or biological products being carried out laser irradiation and then improving the freshness date of processed article.Above-mentioned agricultural byproducts can be industrial crops such as vegetables, seed, fruit, condiment; Food comprises that all need fresh-keeping, sterilising food prods; Biological products relate to all biological products that dispatch from the factory and need sterilize.
Embodiment one: will need fresh-keeping agricultural byproducts, food or biological products to shine under laser, 1 second of irradiation time, laser power 5000W.
Embodiment two: will need fresh-keeping agricultural byproducts, food or biological products to shine under laser, 10 seconds of irradiation time, laser power 1000W.
Embodiment three: will need fresh-keeping agricultural byproducts, food or biological products to shine under laser, irradiation time 18 seconds, laser power 4500W.
Embodiment four: will need fresh-keeping agricultural byproducts, food or biological products to shine under laser, irradiation time 28 seconds, laser power 3800W.
Embodiment five: will need fresh-keeping agricultural byproducts, food or biological products to shine under laser, irradiation time 40 seconds, laser power 3000W.
Embodiment six; The agricultural byproducts that need are fresh-keeping, food or biological products shine under laser, irradiation time 50 seconds, laser power 2000W.
Embodiment seven; The agricultural byproducts that need are fresh-keeping, food or biological products shine under laser, irradiation time 60 seconds, laser power 1W.
Embodiment eight: will need fresh-keeping agricultural byproducts, food or biological products to shine under laser, irradiation time 35 seconds, laser power 500W.
The present invention adopts laser to make irradiation source.Lasing light emitter of the prior art has many types, as CO2 laser, He-Ne laser, YAG laser, ruby laser, nd glass laser, PRK, two double-frequency lasers, laser of quadruple, krypton laser etc., can select as required during use.The first-selected lasing light emitter that the present invention recommends is: CO
2Laser, YAG laser, two double-frequency lasers etc.
Adopt the present invention can not only reach aforementioned purpose, and can improve 1～10 times, for example adopt CO through the freshness date of agricultural byproducts, food or the biological products of laser treatment
2Laser shines garlic, potato, onion, ginger, lily, radish, fruit in season, vegetables etc., and the sprout inhibition rate reaches 100%, and storage life was brought up to more than 6 months by traditional 2～3 months.
The present invention also can select the sweep limits of laser as required, is 1～2 * 1O as sweep limits
6Mm
2
Claims (4)
1, the laser antistaling method of a kind of agricultural byproducts, food and biological products is characterized in that: agricultural byproducts or food or biological products are shone under laser.
2, method according to claim 1 is characterized in that, laser power is 1～5000W, and irradiation time is 1～60 second.
3, method according to claim 1 and 2 is characterized in that: used laser is from CO
2Lasing light emitter, YAG lasing light emitter or two double-frequency laser sources.
4, method according to claim 3 is characterized in that: the sweep limits of laser is 1～2 * 10
6Mm
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98121632A CN1251742A (en) | 1998-10-19 | 1998-10-19 | Laser antistaling method for agricultural and subsidiary products, food and biologic products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98121632A CN1251742A (en) | 1998-10-19 | 1998-10-19 | Laser antistaling method for agricultural and subsidiary products, food and biologic products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1251742A true CN1251742A (en) | 2000-05-03 |
Family
ID=5227201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98121632A Pending CN1251742A (en) | 1998-10-19 | 1998-10-19 | Laser antistaling method for agricultural and subsidiary products, food and biologic products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1251742A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697142A (en) * | 2012-06-20 | 2012-10-03 | 通化盛信保健品有限公司 | Controlled atmosphere low-temperature preservation method for fresh ginseng |
-
1998
- 1998-10-19 CN CN98121632A patent/CN1251742A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697142A (en) * | 2012-06-20 | 2012-10-03 | 通化盛信保健品有限公司 | Controlled atmosphere low-temperature preservation method for fresh ginseng |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |