CN107372815A - A kind of fresh-eating walnut antistaling process - Google Patents
A kind of fresh-eating walnut antistaling process Download PDFInfo
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- CN107372815A CN107372815A CN201710844578.9A CN201710844578A CN107372815A CN 107372815 A CN107372815 A CN 107372815A CN 201710844578 A CN201710844578 A CN 201710844578A CN 107372815 A CN107372815 A CN 107372815A
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- Prior art keywords
- walnut
- fresh
- eating
- chinese olive
- wooden vinegar
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N5/00—Machines for hulling, husking or cracking nuts
- A23N5/08—Machines for hulling, husking or cracking nuts for removing fleshy or fibrous hulls of nuts
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/02—Preserving by heating
- A23B9/04—Preserving by heating by irradiation or electric treatment
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/06—Preserving by irradiation or electric treatment without heating effect
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/10—Freezing; Subsequent thawing; Cooling
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/16—Preserving with chemicals
- A23B9/18—Preserving with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23B9/20—Preserving with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Preparation Of Fruits And Vegetables (AREA)
- Storage Of Fruits Or Vegetables (AREA)
Abstract
The invention discloses a kind of antistaling process of fresh-eating walnut, comprise the following steps that：Wooden vinegar spray solution, harvesting and screening before harvesting, pericarp peeling, the immersion of wooden vinegar solution, infrared sterilization processing,60The processing of Co gamma-ray irradiations, vacuum packaging, refrigerated storage.Beneficial effects of the present invention are：Walnut is handled using wooden vinegar solution, chemical agent, natural disinfection anti-corrosion, environmentally friendly no chemical residues, beneficial to the health of human body and environment are not used；Using infrared radiation and60Co gamma-ray irradiations, fresh-keeping and storing in the basic reason to be addled from walnut, and vacuum fresh-keeping bag and refrigerated storage are used, greatly prolong the storage period of walnut；Rascal storage walnut is removed, not only saves storage area, storage power consumption is reduced, goes back instant edible；Processing step is adapted to industrialize production line balance, reduces manpower and uses, can mechanical production line.
Description
Technical field
The invention belongs to agricultural products storage and preservation field, more particularly to a kind of fresh-eating walnut antistaling process.
Background technology
Fresh-eating walnut is exactly as its name suggests fresh green rind walnut, is usually sold with the cyan crust of walnut.
Fresh green rind walnut benevolence is done fragrant, greasy unlike dry walnut kernel, and the kernel that removes light yellow film clothing is pure white, delicate fragrance is slightly sweet
Sweet tea is tender and crisp salubrious.Fresh green rind walnut benevolence does not pass through any processing technology and air drying process, maintains walnut original well
Some nutritional ingredients.
Fresh-eating walnut consumption on domestic market has 4-5 history, and temperature increased over the past two years.Fresh-eating walnut
Maximum feature be in good taste, the kernel for peelling off light yellow film clothing has not a particle of youngster's astringent taste, deep to be liked by young man.With circulation
Field preservation technology it is perfect, fresh-eating walnut is able to longer shelf life.But fresh-eating walnut also has the drawbacks of certain, rascal
Removal some trouble.If the fresh-eating walnut of rascal is eliminated in advance, then consumer will be easier to receive.It is exactly in addition
Compared with common dry walnut, green rind walnut has certain shelf-life, and preferably deepfreeze preserves, therefore the edible phase is also usual
It is shorter.
The content of the invention
The purpose of the present invention, which is that, overcomes fresh-eating walnut rascal to preserve, the fresh-keeping storage period, and uses when stored
A kind of technical problem of excessive chemical preservative, there is provided fresh-eating walnut antistaling process.
To reach above-mentioned purpose, the present invention is implemented according to following technical scheme：
A kind of antistaling process of fresh-eating walnut, comprises the following steps：
（1）Walnut Fruit maturity was observed before the Autumnal Equinox, wooden vinegar solution is used to walnut Chinese olive before involucre becomes yellow green
Sprayed, carry out walnut Chinese olive harvesting within second day after sprinkling；
（2）The walnut Chinese olive plucked is screened for the first time, picks out bad fruit, decayed fruit, mould fruit, the walnut Chinese olive after screening is sent
Enter service sink, cleaned using water under high pressure；
（3）Clean the walnut Chinese olive finished and carry out -5~-25 DEG C of cryogenic freezings, after the rascal deep colling of walnut, be warming up to 0 DEG C
Melt above, use mechanical quick stripping；
（4）Walnut after decortication enters service sink, using high pressure water cleaning, is immersed after cleaning in wooden vinegar solution, stirring
1min is pulled out, is divided and is dried；
（5）Walnut after drying is sent into infrared radiation room, carries out infrared sterilization processing；
（6）After infrared sterilization processing, walnut is sent into radiation treatment room, carried out60The processing of Co gamma-ray irradiations；
（7）After radiation treatment, walnut is vacuum-packed using the vacuum fresh-keeping bag of PE materials；
（8）Walnut after vacuum packaging is sent into -5~-25 DEG C of refrigerating chambers and carries out stored frozen.
Preferably, the wooden vinegar liquor capacity fraction is 10%.
Preferably, the infrared light power is 4.0~5.0KW, 10~15s of irradiation time, irradiates number 3~5 times, every time
Time interval between irradiation is 30~40min.
Preferably, it is described60Co gamma-ray irradiations energy is the kGy of 0.3kGy~0.5.
Preferably, the PE material thicknesses are 15~30.
The action principle of the present invention is as follows：
Plucked before walnut is thoroughly ripe, the moisture of walnut kernel is more sufficient, meets fresh and sweet mouthfeel of the fresh-eating walnut similar to fruit.
Wooden vinegar solution is sprayed before harvesting, starts fresh-keeping when making walnut Chinese olive in the tree, and has the function that sterilizing, reduces
Go the secondary pollution that walnut shell is subject to during rascal.Go after rascal walnut reusing wooden vinegar solution stirring leaching
Bubble, for the sterilization again of walnut shell and anti-corrosion.
Using infrared radiation walnut shell, make the microorganism of case surface directly lethal by infrared radiation, repeatedly
Irradiation then for improve the stronger microorganism of heat resistance the death rate, and infrared radiation to walnut water content itself, quality, mouthfeel simultaneously
Have no significant effect.Use60Co gamma-ray irradiations, the activity of enzyme inside walnut can be slow down, so as to slow down the new old generation in walnut
Thank to activity, walnut is kept fresh, prevent walnut bad fruit in storage.Walnut is vacuum-packed using PE materials again, it is cold
Freeze storage, further extend the shelf life of fresh-eating walnut.
Handled more than, removing the fresh-eating walnut of rascal can store 12 months in the environment of -5~-25 DEG C.
Compared with prior art, beneficial effects of the present invention are：
1st, walnut is handled using wooden vinegar solution, unused chemical agent, natural disinfection anti-corrosion, environmentally friendly no chemical residues,
Beneficial to the health of human body and environment；
2nd, using infrared radiation and60Co gamma-ray irradiations, fresh-keeping and storing in the basic reason to be addled from walnut, and using true
Empty freshness protection package and refrigerated storage, greatly prolong the storage period of walnut；
3rd, rascal storage walnut is removed, not only saves storage area, storage power consumption is reduced, goes back instant edible；
4th, processing step is adapted to industrialize production line balance, reduces manpower and uses, can mechanical production line.
Embodiment
With specific embodiment, the invention will be further described below, and the illustrative examples and explanation invented herein are used
To explain the present invention, but it is not as a limitation of the invention.
Embodiment 1
A kind of antistaling process of fresh-eating walnut, comprises the following steps：
（1）Walnut Fruit maturity was observed before the Autumnal Equinox, volume fraction is used to walnut Chinese olive before involucre becomes yellow green
Sprayed for 10% wooden vinegar solution, carry out walnut Chinese olive harvesting within second day after sprinkling；
（2）The walnut Chinese olive plucked is screened for the first time, picks out bad fruit, decayed fruit, mould fruit, the walnut Chinese olive after screening is sent
Enter service sink, cleaned using water under high pressure；
（3）Clean the walnut Chinese olive finished and carry out -25 DEG C of cryogenic freezings, after the rascal deep colling of walnut, be warming up to more than 0 DEG C
Melt, use mechanical quick stripping；
（4）Walnut after decortication enters service sink, and using high pressure water cleaning, the wooden vinegar of 10% volume fraction is immersed after cleaning
In solution, stirring 1min is pulled out, is divided and is dried；
（5）Walnut after drying is sent into infrared radiation room, the infrared ray using power as 4.0KW, irradiates 15s, is irradiated 5 times,
The time interval between irradiation is 30min every time, carries out infrared sterilization processing；
（6）After infrared sterilization processing, walnut is sent into radiation treatment room, carried out using 0.3kGy irradiation energy60Co γ are penetrated
Line radiation treatment；
（7）After radiation treatment, walnut is vacuum-packed using the vacuum fresh-keeping bag of 15 thick PE materials；
（8）Walnut after vacuum packaging is sent into -25 DEG C of refrigerating chambers and carries out stored frozen.
Embodiment 2
A kind of antistaling process of fresh-eating walnut, comprises the following steps：
（1）Walnut Fruit maturity was observed before the Autumnal Equinox, volume fraction is used to walnut Chinese olive before involucre becomes yellow green
Sprayed for 10% wooden vinegar solution, carry out walnut Chinese olive harvesting within second day after sprinkling；
（2）The walnut Chinese olive plucked is screened for the first time, picks out bad fruit, decayed fruit, mould fruit, the walnut Chinese olive after screening is sent
Enter service sink, cleaned using water under high pressure；
（3）Clean the walnut Chinese olive finished and carry out -15 DEG C of cryogenic freezings, after the rascal deep colling of walnut, be warming up to more than 0 DEG C
Melt, use mechanical quick stripping；
（4）Walnut after decortication enters service sink, and using high pressure water cleaning, the wooden vinegar of 10% volume fraction is immersed after cleaning
In solution, stirring 1min is pulled out, is divided and is dried；
（5）Walnut after drying is sent into infrared radiation room, the infrared ray using power as 4.5KW, irradiates 12s, is irradiated 4 times,
The time interval between irradiation is 35min every time, carries out infrared sterilization processing；
（6）After infrared sterilization processing, walnut is sent into radiation treatment room, carried out using 0.4kGy irradiation energy60Co γ are penetrated
Line radiation treatment；
（7）After radiation treatment, walnut is vacuum-packed using the vacuum fresh-keeping bag of 23 thick PE materials；
（8）Walnut after vacuum packaging is sent into -15 DEG C of refrigerating chambers and carries out stored frozen.
Embodiment 3
A kind of antistaling process of fresh-eating walnut, comprises the following steps：
（1）Walnut Fruit maturity was observed before the Autumnal Equinox, volume fraction is used to walnut Chinese olive before involucre becomes yellow green
Sprayed for 10% wooden vinegar solution, carry out walnut Chinese olive harvesting within second day after sprinkling；
（2）The walnut Chinese olive plucked is screened for the first time, picks out bad fruit, decayed fruit, mould fruit, the walnut Chinese olive after screening is sent
Enter service sink, cleaned using water under high pressure；
（3）Clean the walnut Chinese olive finished and carry out -5 DEG C of cryogenic freezings, after the rascal deep colling of walnut, be warming up to more than 0 DEG C and melt
Change, use mechanical quick stripping；
（4）Walnut after decortication enters service sink, and using high pressure water cleaning, the wooden vinegar of 10% volume fraction is immersed after cleaning
In solution, stirring 1min is pulled out, is divided and is dried；
（5）Walnut after drying is sent into infrared radiation room, the infrared ray using power as 5KW, irradiation 10s, irradiation 3 times, often
Time interval between secondary irradiation is 40min, carries out infrared sterilization processing；
（6）After infrared sterilization processing, walnut is sent into radiation treatment room, carried out using 0.5kGy irradiation energy60Co γ are penetrated
Line radiation treatment；
（7）After radiation treatment, walnut is vacuum-packed using the vacuum fresh-keeping bag of 30 thick PE materials；
（8）Walnut after vacuum packaging is sent into -5 DEG C of refrigerating chambers and carries out stored frozen.
Technical scheme is not limited to the limitation of above-mentioned specific embodiment, and every technique according to the invention scheme is done
The technology deformation gone out, each falls within protection scope of the present invention.
Claims (5)
1. a kind of antistaling process of fresh-eating walnut, it is characterised in that comprise the following steps：
（1）Walnut Fruit maturity was observed before the Autumnal Equinox, wooden vinegar solution is used to walnut Chinese olive before involucre becomes yellow green
Sprayed, carry out walnut Chinese olive harvesting within second day after sprinkling；
（2）The walnut Chinese olive plucked is screened for the first time, picks out bad fruit, decayed fruit, mould fruit, the walnut Chinese olive after screening is sent
Enter service sink, cleaned using water under high pressure；
（3）Clean the walnut Chinese olive finished and carry out -5~-25 DEG C of cryogenic freezings, after the rascal deep colling of walnut, be warming up to 0 DEG C
Melt above, use mechanical quick stripping；
（4）Walnut after decortication enters service sink, using high pressure water cleaning, is immersed after cleaning in wooden vinegar solution, stirring
1min is pulled out, is divided and is dried；
（5）Walnut after drying is sent into infrared radiation room, carries out infrared sterilization processing；
（6）After infrared sterilization processing, walnut is sent into radiation treatment room, carried out60The processing of Co gamma-ray irradiations；
（7）After radiation treatment, walnut is vacuum-packed using the vacuum fresh-keeping bag of PE materials；
（8）Walnut after vacuum packaging is sent into -5~-25 DEG C of refrigerating chambers and carries out stored frozen.
A kind of 2. antistaling process of fresh-eating walnut according to claim 1, it is characterised in that：The wooden vinegar solution body integration
Number is 10%.
A kind of 3. antistaling process of fresh-eating walnut according to claim 1, it is characterised in that：The infrared light power is
4.0~5.0KW, 10~15s of irradiation time, irradiation number 3~5 times, the time interval between irradiation is 30~40min every time.
A kind of 4. antistaling process of fresh-eating walnut according to claim 1, it is characterised in that：It is described60Co gamma-ray irradiations
Energy is the kGy of 0.3kGy~0.5.
A kind of 5. antistaling process of fresh-eating walnut according to claim 1, it is characterised in that：The PE material thicknesses are 15
Silk~30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710844578.9A CN107372815A (en) | 2017-09-19 | 2017-09-19 | A kind of fresh-eating walnut antistaling process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710844578.9A CN107372815A (en) | 2017-09-19 | 2017-09-19 | A kind of fresh-eating walnut antistaling process |
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| CN107372815A true CN107372815A (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710844578.9A Pending CN107372815A (en) | 2017-09-19 | 2017-09-19 | A kind of fresh-eating walnut antistaling process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262253A (en) * | 2017-12-14 | 2018-07-10 | 湖南莲冠湘莲食品有限公司 | A kind of lotus seeds remove the peel core-removing device |
| CN108770927A (en) * | 2018-05-30 | 2018-11-09 | 阴超燕 | A kind of walnut waxdip fresh-keeping treating method and complete set of equipments |
| CN108850133A (en) * | 2018-06-28 | 2018-11-23 | 熊建凉 | Green rind walnut preservation method |
| CN108935661A (en) * | 2018-06-06 | 2018-12-07 | 孙学兵 | A kind of preparation method of the green fresh walnut of freezing |
| CN114375991A (en) * | 2022-01-28 | 2022-04-22 | 杨凌核盛辐照技术有限公司 | Preservation method for treating fresh Chinese chestnuts by utilizing X-ray large-batch irradiation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262253A (en) * | 2017-12-14 | 2018-07-10 | 湖南莲冠湘莲食品有限公司 | A kind of lotus seeds remove the peel core-removing device |
| CN108770927A (en) * | 2018-05-30 | 2018-11-09 | 阴超燕 | A kind of walnut waxdip fresh-keeping treating method and complete set of equipments |
| CN108935661A (en) * | 2018-06-06 | 2018-12-07 | 孙学兵 | A kind of preparation method of the green fresh walnut of freezing |
| CN108850133A (en) * | 2018-06-28 | 2018-11-23 | 熊建凉 | Green rind walnut preservation method |
| CN108850133B (en) * | 2018-06-28 | 2022-01-25 | 熊建凉 | Method for preserving green-peel walnuts |
| CN114375991A (en) * | 2022-01-28 | 2022-04-22 | 杨凌核盛辐照技术有限公司 | Preservation method for treating fresh Chinese chestnuts by utilizing X-ray large-batch irradiation |
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