CN109105481A - A kind of preservation method of citrus - Google Patents
A kind of preservation method of citrus Download PDFInfo
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- CN109105481A CN109105481A CN201810984987.3A CN201810984987A CN109105481A CN 109105481 A CN109105481 A CN 109105481A CN 201810984987 A CN201810984987 A CN 201810984987A CN 109105481 A CN109105481 A CN 109105481A
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- citrus
- preservation method
- orange peel
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- 235000020971 citrus fruits Nutrition 0.000 title claims abstract description 98
- 241000207199 Citrus Species 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000004321 preservation Methods 0.000 title claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 62
- 239000000284 extract Substances 0.000 claims description 57
- 239000003795 chemical substances by application Substances 0.000 claims description 42
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 41
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 36
- 150000004676 glycans Chemical class 0.000 claims description 36
- 239000005017 polysaccharide Substances 0.000 claims description 36
- 229920001282 polysaccharide Polymers 0.000 claims description 36
- 239000008223 sterile water Substances 0.000 claims description 27
- 235000013399 edible fruits Nutrition 0.000 claims description 21
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 20
- 235000005979 Citrus limon Nutrition 0.000 claims description 20
- 244000131522 Citrus pyriformis Species 0.000 claims description 20
- -1 sucrose ester Chemical class 0.000 claims description 19
- 229930006000 Sucrose Natural products 0.000 claims description 18
- 235000019441 ethanol Nutrition 0.000 claims description 18
- 239000005720 sucrose Substances 0.000 claims description 18
- 229960000988 nystatin Drugs 0.000 claims description 17
- VQOXZBDYSJBXMA-NQTDYLQESA-N nystatin A1 Chemical compound O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/CC/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 VQOXZBDYSJBXMA-NQTDYLQESA-N 0.000 claims description 17
- 150000008442 polyphenolic compounds Chemical class 0.000 claims description 17
- 235000013824 polyphenols Nutrition 0.000 claims description 17
- 239000005018 casein Substances 0.000 claims description 16
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 claims description 16
- 235000021240 caseins Nutrition 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- SHDPRTQPPWIEJG-UHFFFAOYSA-N 1-methylcyclopropene Chemical compound CC1=CC1 SHDPRTQPPWIEJG-UHFFFAOYSA-N 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 15
- 240000004510 Agastache rugosa Species 0.000 claims description 14
- 235000009051 Ambrosia paniculata var. peruviana Nutrition 0.000 claims description 14
- 235000003097 Artemisia absinthium Nutrition 0.000 claims description 14
- 240000001851 Artemisia dracunculus Species 0.000 claims description 14
- 235000017731 Artemisia dracunculus ssp. dracunculus Nutrition 0.000 claims description 14
- 235000003261 Artemisia vulgaris Nutrition 0.000 claims description 14
- 240000002853 Nelumbo nucifera Species 0.000 claims description 14
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 14
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 14
- 235000002594 Solanum nigrum Nutrition 0.000 claims description 14
- 240000002307 Solanum ptychanthum Species 0.000 claims description 14
- 239000001138 artemisia absinthium Substances 0.000 claims description 14
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 14
- 241000241413 Propolis Species 0.000 claims description 13
- 241001251949 Xanthium sibiricum Species 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 13
- 229940069949 propolis Drugs 0.000 claims description 13
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- 201000010099 disease Diseases 0.000 claims description 12
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 12
- 239000000706 filtrate Substances 0.000 claims description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 11
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 10
- 239000001569 carbon dioxide Substances 0.000 claims description 9
- 239000003755 preservative agent Substances 0.000 claims description 9
- 244000270834 Myristica fragrans Species 0.000 claims description 8
- 235000009421 Myristica fragrans Nutrition 0.000 claims description 8
- 239000003814 drug Substances 0.000 claims description 8
- 239000004615 ingredient Substances 0.000 claims description 8
- 239000001702 nutmeg Substances 0.000 claims description 8
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 8
- 230000002335 preservative effect Effects 0.000 claims description 8
- 230000002421 anti-septic effect Effects 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000009514 concussion Effects 0.000 claims description 6
- 238000005238 degreasing Methods 0.000 claims description 6
- 239000008213 purified water Substances 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 239000000341 volatile oil Substances 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 238000003958 fumigation Methods 0.000 claims description 2
- 244000269722 Thea sinensis Species 0.000 claims 3
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
- 208000035240 Disease Resistance Diseases 0.000 abstract description 3
- 235000012055 fruits and vegetables Nutrition 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 241001122767 Theaceae Species 0.000 description 13
- 229960004424 carbon dioxide Drugs 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 5
- 230000001376 precipitating effect Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000003115 biocidal effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910002090 carbon oxide Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001672694 Citrus reticulata Species 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000235342 Saccharomycetes Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000443 biocontrol Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 244000053095 fungal pathogen Species 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930182478 glucoside Natural products 0.000 description 1
- 150000008131 glucosides Chemical class 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002068 microbial inoculum Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
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- 239000008194 pharmaceutical composition Substances 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000003206 sterilizing agent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000194 supercritical-fluid extraction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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Classifications
-
- 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
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/153—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
- A23B7/157—Inorganic compounds
-
- 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
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
-
- 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
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/153—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
- A23B7/154—Organic compounds; Microorganisms; Enzymes
-
- 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
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/16—Coating with a protective layer; Compositions or apparatus therefor
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Abstract
The present invention provides a kind of preservation method of citrus, is related to postharvest technology of fruits and vegetables technical field, the preservation method of citrus of the invention is the following steps are included: (1) raw material primary election, pretreatment；(2) it fumigates；(3) antistaling agent is prepared；(4) it impregnates and (5) dries storage；The preservation method of citrus of the invention can extend the shelf-life of citrus and not influence the mouthfeel, sugariness and color of citrus, realize to the fresh-keeping of citrus, greatly strengthen the disease resistance of citrus, improve yields, delay speed of rotting.
Description
[technical field]
The present invention relates to postharvest technology of fruits and vegetables technical fields, and in particular to a kind of preservation method of citrus.
[background technique]
Citrus is that one kind is grown on one of south, the maximum fruit of yield, is transported to all over the world after fresh citrus fruit harvesting
Complicated physiological change, biology variation and physical change are still carried out in the process, keep citrus persistently fresh without putrefaction very heavy
It wants.
With the promotion of people's living standard, people are also constantly soaring to the needs of anti-season fruits and vegetables.Citrus is main at this stage
Fresh-keeping and transport is carried out using low temperature regime, the haul-cycle time is short, and transportational process damaged products are big, at high cost.Therefore, how to extend
Product preservation time and haul-cycle time and Product transport damage is reduced, reduces selling cost, need to solve for the present invention
Certainly the problem of.
[summary of the invention]
In view of this, the purpose of the present invention is to provide a kind of preservation method of citrus, the fresh-keeping side of citrus of the invention
Method can extend the shelf-life of citrus and not influence the mouthfeel, sugariness and color of citrus, realize to the fresh-keeping of citrus, greatly enhance
The disease resistance of citrus improves yields, delays speed of rotting.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of preservation method of citrus, comprising the following steps:
(1) it raw material primary election, pretreatment: is carried out being placed in ultrasonic cleaner without withered, not damaged, disease-free citrus
Cleaning treatment is then immersed in 0.1% liquor natrii hypochloritis and sterilizes 1-2min, after taking-up with sterile water by fruit surface time
Sodium chlorate cleaning, and dry；
(2) it fumigates: 1-MCP being carried out to citrus and is fumigated, 1-MCP stifling dosage is 0.1-2 μ L/L；
(3) prepare antistaling agent: by weight, the ingredient for forming antistaling agent is as follows: 8-16 parts of sucrose ester, tea polyphenols 5-10
Part, 2-6 parts of propolis, 3-8 parts of casein, 3-8 parts of nystatin, 4-8 parts of lemon, 6-12 parts of herbal polysaccharide, orange peel surpass and face
Extract 3-5 parts and sterile water 120-180 parts of boundary；The antistaling agent obtains by the following method: being added in blender sterile
Water is heated to 70-90 DEG C, sucrose ester, tea polyphenols, propolis, casein, nystatin and lemon is added sequentially to sterile
It in water, persistently stirs 20-30 minutes, keeping temperature is 70 DEG C or more, is subsequently added into herbal polysaccharide, is stirred 10-15 minutes, cooling
To 60-68 DEG C, the stirring of orange peel supercritical extract is added until being uniformly mixed, is refrigerated in the environment of being then placed into 3-5 DEG C,
For use.
(4) it impregnates: citrus is put into the above-mentioned configured citrus preservative, impregnate 20-30 seconds, pull out and dry；
(5) storage is dried: it will be by being store in advance in step (4) treated fruit is placed in ventilation storehouse, pre- storage 2-3 days, so
Afterwards with the freshness protection package packaging containing nano-titanium dioxide and inorganic nano antiseptic.
In the present invention, further, stifling in the step (2) is to carry out at room temperature, fumigation time 12-24h.
In the present invention, further, the orange peel supercritical extract obtains by the following method: citrus peeling being taken new
Fresh orange peel is crushed to 25-35 mesh, is placed in carbon dioxide abstraction kettle, under the conditions of 26-30MPa, 40-48 DEG C, with 90-95%
Methanol be carry agent, methanol relative to carbon dioxide dosage be 30%, dynamic extraction 1.5-3h, flow velocity 220-250L/
H can obtain extracting solution；By extracting solution concentration, drying and crushing to powdery to get taking orange peel supercritical extract.
In the present invention, further, the antistaling agent in the step (3) is made of the raw material of following parts by weight: sucrose ester
12 parts, 7 parts of tea polyphenols, 4 parts of propolis, 6 parts of casein, 6 parts of nystatin, 6 parts of lemon, 9 parts of herbal polysaccharide, orange peel is super faces
4 parts and 150 parts of sterile water of boundary's extract.
In the present invention, further, the herbal polysaccharide is made of the raw material of following parts by weight: 5-10 parts of lotus leaf, wrinkled giant hyssop
5-10 parts, 6-12 parts of Radix Glycyrrhizae, 3-8 parts of the achene of Siberian cocklebur, 3-8 parts of black nightshade, 4-9 parts of wormwood and 3-8 parts of nutmeg.
In the present invention, further, the herbal polysaccharide is made of the raw material of following parts by weight: 7 parts of lotus leaf, 7 parts of wrinkled giant hyssop,
9 parts of Radix Glycyrrhizae, 6 parts of the achene of Siberian cocklebur, 6 parts of black nightshade, 7 parts of wormwood and 6 parts of nutmeg.
In the present invention, further, the herbal polysaccharide obtains by the following method: a. is by lotus leaf, wrinkled giant hyssop, Radix Glycyrrhizae, grey
The ears or side handles of a utensil, black nightshade and each Chinese medicine of wormwood are soaked in water respectively after weighing, and addition solid-liquid ratio is 4-9g:2ml, and concentration is 75-
95% EtOH Sonicate extracts 2-6 hours, and degreasing is simultaneously filtered, and each folk prescription decoction is obtained；B. each folk prescription decoction is merged, is filtered again
And filtrate is taken, and medicinal extract is obtained after filtrate is concentrated and dried, disperses medicinal extract in purified water, solid-liquid ratio 1-2g:43ml, then
N-hexane concussion extraction is added, collects water phase extract；C. water phase extract is concentrated under reduced pressure, ethyl alcohol is added and adjusts solution to containing
Alcohol amount is 75-85%, places 8-12 hours, obtains flocculent deposit；D. precipitating is filtered out, successively repeatedly with 95% or more ethyl alcohol, ether
After washing, constant weight is dried under vacuum to up to herbal polysaccharide.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. citrus preservation method of the invention screening high-quality citrus stringent first carries out fresh-keeping, the removal citrus since source
It is stifling and be soaked in antistaling agent then to be carried out 1-MCP by the pathogenic bacteria that surface carries for citrus, not only blocked the synthesis of ethylene but also
The breathing for inhibiting citrus enhances the water-retaining property of citrus；Immersion is packaged in anti-containing nano-titanium dioxide and inorganic nano again
In the freshness protection package of microbial inoculum, one layer of diaphragm is formed, air can be obstructed, to reduce the exposure of oxygen, reduces respiration, film
With in the microenvironment on citrus surface since oxygen is constantly consumed, CO2Content is continuously increased, and forms a kind of high CO of hypoxemia2Environment,
Oxidation is reduced, therefore the gloss of citrus can be kept for a long time.
2. in preservation method of the invention, antistaling agent raw material used is medicinal, food grade, completely disengage traditional
Preserving and sterilizing agent raw material, it is ensured that food safety, environmental sound, and will not generate in the antistaling agent preparation process any
Harmful substance reaches safety and environmental protection from raw material to production, avoids traditional, existing possible for citrusfruit antistaling agent
Existing medicament residue and problem of environmental pollution.
3. lemon is added in antistaling agent of the present invention, plants essential oil is a kind of from fruit, blade, flower and root tissue
The volatile liquid of middle extraction has strong smell and fragrance, can consumingly inhibit or kill the microorganisms such as fungi, lemon
Essential oil is a kind of plants essential oil extracted from lemon, it has good anti-microbial property, and nontoxic, edible, meets fruit
The requirement of vegetable Perserving materials use aspect；Addition herbal polysaccharide is active constituent, and a variety of pharmaceutical compositions can effectively inhibit microorganism
Growth, moreover, and can be formed on citrus surface and sucrose ester, propolis one layer of film forming agent of formation and crosslinking agent on citrus surface
Layer protecting film can effectively increase Quality Parameters in Orange, extend the fresh keeping time of citrus；Meanwhile the ingredient of these herbal polysaccharides is equal
Plant source is extracted from, can effectively be decomposed, antistaling agent residual is not will cause and is detrimental to health, has effects that green sterilization, then
Compound certain natural disinfection, synergy, film forming component obtain having fresh-keeping, preservative efficacy antistaling agent finished product；Sucrose ester is to disease
The high-performance bio control efficiency of pathogenic fungi is realized to the fresh-keeping of citrus, enhances the disease resistance of citrus, improve the non-defective unit of citrus
Rate has delayed the rotten speed of citrus；Tea polyphenols have strong anti-oxidation and bacteriostasis, can reduce microorganism and cause to marine product
Destruction；Nystatin can inhibit most of gram-positive bacteriums, and have strong inhibiting effect to the spore of bacillus,
Normal flora in human body intestinal canal will not be changed after edible and generate the resistance problem that such as other antibiotic occur, it more will not be with
There is cross tolerance in other antibiotic；In addition under the action of casein, raw material formed between each other a kind of consistency it is higher, even
The stronger liquid of relay cooperates the addition of orange peel supercritical extract, promotes the affinity between liquid and citrus epidermis, not only
In this way, inhibiting effect of the orange peel glucoside to more than 20 kinds of bacteriums and 10 saccharomycete, the bacteria resistance function with wide spectrum, the guarantor eventually formed
Fresh dose it is soaking after be attached to after citrus dry tack free and will form one layer of fine and close oxidation film, prevent the oxygen in citrus and air
Gas and water point combines, and protects citrus not because aoxidizing and brown stain.
[specific embodiment]
The following examples can help those skilled in the art that the present invention is more fully understood, but cannot be with any
Mode limits the present invention.
Embodiment 1
A kind of preservation method of citrus provided by the present embodiment the following steps are included:
(1) it raw material primary election, pretreatment: is carried out being placed in ultrasonic cleaner without withered, not damaged, disease-free citrus
Cleaning treatment is then immersed in 0.1% liquor natrii hypochloritis and sterilizes 1min, with sterile water by the secondary chlorine of fruit surface after taking-up
Sour sodium cleaning, and dry；
(2) it fumigates: 1-MCP being carried out to citrus and is fumigated, 1-MCP stifling dosage is 0.1 μ L/L, fumigates 12h at room temperature；
(3) prepare antistaling agent: by weight, the ingredient for forming antistaling agent is as follows: 8 parts of sucrose ester, 5 parts of tea polyphenols, bee
2 parts of glue, 3 parts of casein, 3 parts of nystatin, 4 parts of lemon, 6 parts of herbal polysaccharide, 3 parts of orange peel supercritical extract and sterile
120 parts of water；Wherein, orange peel supercritical extract obtains by the following method: citrus peeling being taken fresh orange peel, is crushed to 25
Mesh is placed in carbon dioxide abstraction kettle, is to carry agent with 90% methanol, methanol is relative to two under the conditions of 26MPa, 40 DEG C
The dosage of carbonoxide is 30%, and dynamic extraction 1.5h, flow velocity 220L/h can obtain extracting solution；By extracting solution concentration, xeraphium
Powdery is broken to get orange peel supercritical extract is taken；Herbal polysaccharide is made of the raw material of following parts by weight: 5 parts of lotus leaf, wrinkled giant hyssop 5
Part, 6 parts of Radix Glycyrrhizae, 3 parts of the achene of Siberian cocklebur, 3 parts of black nightshade, 4 parts of wormwood and 3 parts of nutmeg；Herbal polysaccharide obtains by the following method: a. will
Lotus leaf, wrinkled giant hyssop, Radix Glycyrrhizae, the achene of Siberian cocklebur, black nightshade and each Chinese medicine of wormwood are soaked in water respectively after weighing, and addition solid-liquid ratio is 4g:
2ml, and the EtOH Sonicate that concentration is 75% extracts 2 hours, degreasing is simultaneously filtered, and each folk prescription decoction is obtained；B. each folk prescription decoction is closed
And filtrate is filtered and taken again, and medicinal extract is obtained after filtrate is concentrated and dried, disperses medicinal extract in purified water, solid-liquid ratio 1g:
Then 43ml is added n-hexane concussion extraction, collects water phase extract；C. water phase extract is concentrated under reduced pressure, ethyl alcohol tune is added
Saving solution to alcohol content is 75%, places 8 hours, obtains flocculent deposit；D. precipitating is filtered out, successively with 95% or more ethyl alcohol, ether
After washing repeatedly, constant weight is dried under vacuum to up to herbal polysaccharide；Above-mentioned antistaling agent obtains by the following method: adding in blender
Enter sterile water, be heated to 70 DEG C, sucrose ester, tea polyphenols, propolis, casein, nystatin and lemon are added sequentially to
It in sterile water, persistently stirs 20 minutes, keeping temperature is 70 DEG C or more, is subsequently added into herbal polysaccharide, stirs 10 minutes, is cooled to
60 DEG C, the stirring of orange peel supercritical extract is added until being uniformly mixed, is refrigerated in the environment of being then placed into 3 DEG C, for use；
(4) it impregnates: citrus is put into the above-mentioned configured citrus preservative, impregnate 20 seconds, pull out and dry；
(5) storage is dried: it will be by being store in advance in step (4) treated fruit is placed in ventilation storehouse, pre- storage 2 days, then
With the freshness protection package packaging containing nano-titanium dioxide and inorganic nano antiseptic.
Embodiment 2
A kind of preservation method of citrus provided by the present embodiment the following steps are included:
(1) it raw material primary election, pretreatment: is carried out being placed in ultrasonic cleaner without withered, not damaged, disease-free citrus
Cleaning treatment is then immersed in 0.1% liquor natrii hypochloritis and sterilizes 1.5min, after taking-up with sterile water by fruit surface time
Sodium chlorate cleaning, and dry；
(2) it fumigates: 1-MCP being carried out to citrus and is fumigated, 1-MCP stifling dosage is 1.2 μ L/L, fumigates 18h at room temperature；
(3) prepare antistaling agent: by weight, the ingredient for forming antistaling agent is as follows: 12 parts of sucrose ester, 7 parts of tea polyphenols, bee
4 parts of glue, 6 parts of casein, 6 parts of nystatin, 6 parts of lemon, 9 parts of herbal polysaccharide, 4 parts of orange peel supercritical extract and sterile
150 parts of water；Wherein, orange peel supercritical extract obtains by the following method: citrus peeling being taken fresh orange peel, is crushed to 30
Mesh is placed in carbon dioxide abstraction kettle, is to carry agent with 92% methanol, methanol is relative to two under the conditions of 28MPa, 44 DEG C
The dosage of carbonoxide is 30%, and dynamic extraction 2.2h, flow velocity 225L/h can obtain extracting solution；By extracting solution concentration, xeraphium
Powdery is broken to get orange peel supercritical extract is taken；Herbal polysaccharide is made of the raw material of following parts by weight: 7 parts of lotus leaf, wrinkled giant hyssop 7
Part, 9 parts of Radix Glycyrrhizae, 6 parts of the achene of Siberian cocklebur, 6 parts of black nightshade, 7 parts of wormwood and 6 parts of nutmeg；Herbal polysaccharide obtains by the following method: a. will
Lotus leaf, wrinkled giant hyssop, Radix Glycyrrhizae, the achene of Siberian cocklebur, black nightshade and each Chinese medicine of wormwood are soaked in water respectively after weighing, and addition solid-liquid ratio is 7g:
2ml, and the EtOH Sonicate that concentration is 85% extracts 4 hours, degreasing is simultaneously filtered, and each folk prescription decoction is obtained；B. each folk prescription decoction is closed
And filtrate is filtered and taken again, and medicinal extract is obtained after filtrate is concentrated and dried, disperses medicinal extract in purified water, solid-liquid ratio 1g:
Then 43ml is added n-hexane concussion extraction, collects water phase extract；C. water phase extract is concentrated under reduced pressure, ethyl alcohol tune is added
Saving solution to alcohol content is 80%, places 10 hours, obtains flocculent deposit；D. precipitating is filtered out, successively with 95% or more ethyl alcohol, ether
After washing repeatedly, constant weight is dried under vacuum to up to herbal polysaccharide；Above-mentioned antistaling agent obtains by the following method: adding in blender
Enter sterile water, be heated to 80 DEG C, sucrose ester, tea polyphenols, propolis, casein, nystatin and lemon are added sequentially to
It in sterile water, persistently stirs 25 minutes, keeping temperature is 70 DEG C or more, is subsequently added into herbal polysaccharide, stirs 12 minutes, is cooled to
64 DEG C, the stirring of orange peel supercritical extract is added until being uniformly mixed, is refrigerated in the environment of being then placed into 4 DEG C, for use；
(4) it impregnates: citrus is put into the above-mentioned configured citrus preservative, impregnate 25 seconds, pull out and dry；
(5) storage is dried: it will be by being store in advance in step (4) treated fruit is placed in ventilation storehouse, pre- storage 2 days, then
With the freshness protection package packaging containing nano-titanium dioxide and inorganic nano antiseptic.
Embodiment 3
A kind of preservation method of citrus provided by the present embodiment the following steps are included:
(1) it raw material primary election, pretreatment: is carried out being placed in ultrasonic cleaner without withered, not damaged, disease-free citrus
Cleaning treatment is then immersed in 0.1% liquor natrii hypochloritis and sterilizes 2min, with sterile water by the secondary chlorine of fruit surface after taking-up
Sour sodium cleaning, and dry；
(2) it fumigates: 1-MCP being carried out to citrus and is fumigated, 1-MCP stifling dosage is 2 μ L/L, is fumigated at room temperature for 24 hours；
(3) prepare antistaling agent: by weight, the ingredient for forming antistaling agent is as follows: 16 parts of sucrose ester, 10 parts of tea polyphenols,
6 parts of propolis, 8 parts of casein, 8 parts of nystatin, 8 parts of lemon, 12 parts of herbal polysaccharide, 5 parts of orange peel supercritical extract and
180 parts of sterile water；Wherein, orange peel supercritical extract obtains by the following method: citrus peeling being taken fresh orange peel, is crushed to
35 mesh are placed in carbon dioxide abstraction kettle, under the conditions of 30MPa, 48 DEG C, with 95% methanol be carry agent, methanol relative to
The dosage of carbon dioxide is 30%, and dynamic extraction 3h, flow velocity 250L/h can obtain extracting solution；By extracting solution concentration, xeraphium
Powdery is broken to get orange peel supercritical extract is taken；Herbal polysaccharide is made of the raw material of following parts by weight: 10 parts of lotus leaf, wrinkled giant hyssop
10 parts, 12 parts of Radix Glycyrrhizae, 3-8 parts of the achene of Siberian cocklebur, 8 parts of black nightshade, 9 parts of wormwood and 8 parts of nutmeg；Herbal polysaccharide obtains by the following method
To: a. will be soaked in water respectively after lotus leaf, wrinkled giant hyssop, Radix Glycyrrhizae, the achene of Siberian cocklebur, black nightshade and each Chinese medicine weighing of wormwood, and solid-liquid ratio is added
For 9g:2ml, and the EtOH Sonicate that concentration is 95% extracts 6 hours, and degreasing is simultaneously filtered, and each folk prescription decoction is obtained；B. each folk prescription is decocted
Agent merges, and filters and takes filtrate again, obtain medicinal extract after filtrate is concentrated and dried, disperse medicinal extract in purified water, solid-liquid ratio
For 2g:43ml, n-hexane concussion extraction is then added, collects water phase extract；C. water phase extract is concentrated under reduced pressure, second is added
It is 85% that alcohol, which adjusts solution to alcohol content, places 12 hours, obtains flocculent deposit；D. filter out precipitating, successively with 95% or more ethyl alcohol,
After ether washs repeatedly, constant weight is dried under vacuum to up to herbal polysaccharide；Above-mentioned antistaling agent obtains by the following method: in blender
Middle addition sterile water, is heated to 90 DEG C, and sucrose ester, tea polyphenols, propolis, casein, nystatin and lemon are successively added
Enter into sterile water, persistently stir 30 minutes, keeping temperature is 70 DEG C or more, is subsequently added into herbal polysaccharide, is stirred 15 minutes, drop
Temperature adds the stirring of orange peel supercritical extract until being uniformly mixed, refrigerates in the environment of being then placed into 5 DEG C to 68 DEG C, to
With；
(4) it impregnates: citrus is put into the above-mentioned configured citrus preservative, impregnate 30 seconds, pull out and dry；
(5) storage is dried: it will be by being store in advance in step (4) treated fruit is placed in ventilation storehouse, pre- storage 3 days, then
With the freshness protection package packaging containing nano-titanium dioxide and inorganic nano antiseptic.
Comparative example 1
A kind of preservation method of citrus provided by the present embodiment the following steps are included:
(1) it raw material primary election, pretreatment: is carried out being placed in ultrasonic cleaner without withered, not damaged, disease-free citrus
Cleaning treatment is then immersed in 0.1% liquor natrii hypochloritis and sterilizes 1.5min, after taking-up with sterile water by fruit surface time
Sodium chlorate cleaning, and dry；
(2) it fumigates: 1-MCP being carried out to citrus and is fumigated, 1-MCP stifling dosage is 1.2 μ L/L, fumigates 18h at room temperature；
(3) prepare antistaling agent: by weight, the ingredient for forming antistaling agent is as follows: 12 parts of sucrose ester, 7 parts of tea polyphenols, bee
4 parts of glue, 6 parts of casein, 6 parts of nystatin, 6 parts of lemon, 4 parts of orange peel supercritical extract and 150 parts of sterile water；Its
In, orange peel supercritical extract obtains by the following method: citrus peeling being taken fresh orange peel, 30 mesh is crushed to, is placed in dioxy
Change in carbon extraction kettle, is to carry agent, dosage of the methanol relative to carbon dioxide with 92% methanol under the conditions of 28MPa, 44 DEG C
It is 30%, dynamic extraction 2.2h, flow velocity 225L/h can obtain extracting solution；By extracting solution concentration, drying and crushing to powdery, i.e.,
Orange peel supercritical extract must be taken；Above-mentioned antistaling agent obtains by the following method: sterile water being added in blender, is heated to 80
DEG C, sucrose ester, tea polyphenols, propolis, casein, nystatin and lemon are added sequentially in sterile water, it is lasting to stir
25 minutes, 64 DEG C are then cooled to, the stirring of orange peel supercritical extract is added until being uniformly mixed, is then placed into 4 DEG C
It is refrigerated under environment, for use；
(4) it impregnates: citrus is put into the above-mentioned configured citrus preservative, impregnate 25 seconds, pull out and dry；
(5) storage is dried: it will be by being store in advance in step (4) treated fruit is placed in ventilation storehouse, pre- storage 2 days, then
With the freshness protection package packaging containing nano-titanium dioxide and inorganic nano antiseptic.
Comparative example 2
A kind of preservation method of citrus provided by the present embodiment the following steps are included:
(1) it raw material primary election, pretreatment: is carried out being placed in ultrasonic cleaner without withered, not damaged, disease-free citrus
Cleaning treatment is then immersed in 0.1% liquor natrii hypochloritis and sterilizes 1.5min, after taking-up with sterile water by fruit surface time
Sodium chlorate cleaning, and dry；
(2) it fumigates: 1-MCP being carried out to citrus and is fumigated, 1-MCP stifling dosage is 1.2 μ L/L, fumigates 18h at room temperature；
(3) prepare antistaling agent: by weight, the ingredient for forming antistaling agent is as follows: 12 parts of sucrose ester, 7 parts of tea polyphenols, bee
4 parts of glue, 6 parts of nystatin, 6 parts of lemon, 9 parts of herbal polysaccharide and 150 parts of sterile water；Herbal polysaccharide is by following parts by weight
Raw material composition: 7 parts of lotus leaf, 7 parts of wrinkled giant hyssop, 9 parts of Radix Glycyrrhizae, 6 parts of the achene of Siberian cocklebur, 6 parts of black nightshade, 7 parts of wormwood and 6 parts of nutmeg；Chinese medicine is more
Sugar obtains by the following method: a. uses water after weighing lotus leaf, wrinkled giant hyssop, Radix Glycyrrhizae, the achene of Siberian cocklebur, black nightshade and each Chinese medicine of wormwood respectively
It impregnates, addition solid-liquid ratio is 7g:2ml, and the EtOH Sonicate that concentration is 85% extracts 4 hours, and degreasing is simultaneously filtered, and obtains each folk prescription and decocts
Agent；B. each folk prescription decoction is merged, filters and take filtrate again, obtains medicinal extract after filtrate is concentrated and dried, disperse medicinal extract in
In purified water, then solid-liquid ratio 1g:43ml is added n-hexane concussion extraction, collects water phase extract；C. by water phase extract
It is concentrated under reduced pressure, it is 80% that ethyl alcohol, which is added, and adjusts solution to alcohol content, places 10 hours, obtains flocculent deposit；D. precipitating is filtered out, successively
After being washed repeatedly with 95% or more ethyl alcohol, ether, constant weight is dried under vacuum to up to herbal polysaccharide；Above-mentioned antistaling agent passes through with lower section
Method obtains: sterile water being added in blender, is heated to 80 DEG C, by sucrose ester, tea polyphenols, propolis, nystatin and lemon extract
Oil is added sequentially in sterile water, is persistently stirred 25 minutes, and keeping temperature is 70 DEG C or more, is subsequently added into herbal polysaccharide, is stirred
12 minutes, 64 DEG C are cooled to, stirring refrigerates, for use up to being uniformly mixed in the environment of being then placed into 4 DEG C；
(4) it impregnates: citrus is put into the above-mentioned configured citrus preservative, impregnate 25 seconds, pull out and dry；
(5) storage is dried: it will be by being store in advance in step (4) treated fruit is placed in ventilation storehouse, pre- storage 2 days, then
With the freshness protection package packaging containing nano-titanium dioxide and inorganic nano antiseptic.
Compliance test result
The practical value of the preservation method of citrus in order to further illustrate the present invention, applicant do comparative test:
First group: preservation method described in the embodiment of the present invention 1；
Second group: preservation method described in the embodiment of the present invention 2；
Third group: preservation method described in the embodiment of the present invention 3；
4th group: preservation method described in comparative example 1；
5th group: preservation method described in comparative example 2；
6th group: not doing the blank group of Preservation Treatment.
Above-mentioned six groups after treatment, are stored under the conditions of 12-18 DEG C of natural room temperature, relative humidity 80-95%, after 25 days
Record rotting rate, sour disease incidence and percentage of water loss.
Rotting rate: it is rotted with there is local small area for criterion of rotting；(rotten fruit number/inspection is total for rotting rate/%=
Fruit number) × 100%；
Sour disease incidence: to there is local small area sour rot block as sour morbidity criterion；Sour disease incidence/%=
(sour the number of sick fruits/inspection the total number of fruits) × 100%；
Percentage of water loss: using the specific gravity of water loss as criterion, percentage of water loss=(the citrus weight-of beginning it is fresh-keeping after mandarin orange
Tangerine weight)/start citrus weight × 100%；
Effect analysis: record six groups in citrus treated rot, sour morbidity and percentage of water loss data, as shown in table 1:
The fresh-keeping situation contrast table of 1 citrus of table
| First group | Second group | Third group | 4th group | 5th group | 6th group | |
| Rotting rate (%) | 5.13% | 6.98% | 5.21% | 16.31% | 12.24% | 32.85% |
| Sour rot (%) | 3.10% | 2.41% | 2.56% | 13.56% | 8.95% | 22.23% |
| Percentage of water loss (%) | 6.12% | 5.38% | 6.17% | 13.27% | 16.93% | 40.21% |
It can be seen that from the data comparison of table 1 from having used the preservation method of citrus of the invention fresh-keeping to citrus progress
In the group of reason, the 4th group reduces herbal polysaccharide in antistaling agent, and the 5th group reduces casein and orange peel means of supercritical extraction
Two kinds of raw materials of object reduce the generation and control percentage of water loss of sour disease although can also reduce rotting for citrus；But effect is all
Not as good as the embodiment of the present invention 1-3 group, illustrate antistaling agent cooperation preservation method of the invention, can maximumlly play between raw material
Synergistic function, and can have complementary advantages, the morbidity rotting rate of storage citrus can be effectively reduced, reduction is lost after adopting, well
Prevent and treat citrus sour rot evil in storage period.
Although above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, fall within the scope of the claimed invention without departing from theon the basis of the spirit of the present invention.
Claims (7)
1. a kind of preservation method of citrus, which is characterized in that the preservation method of the citrus the following steps are included:
(1) it raw material primary election, pretreatment: is cleaned being placed in ultrasonic cleaner without withered, not damaged, disease-free citrus
Processing, is then immersed in 0.1% liquor natrii hypochloritis and sterilizes 1-2min, with sterile water by the hypochlorous acid of fruit surface after taking-up
Sodium cleaning, and dry；
(2) it fumigates: 1-MCP being carried out to citrus and is fumigated, 1-MCP stifling dosage is 0.1-2 μ L/L；
(3) prepare antistaling agent: by weight, the ingredient for forming antistaling agent is as follows: 8-16 parts of sucrose ester, 5-10 parts of tea polyphenols,
2-6 parts of propolis, 3-8 parts of casein, 3-8 parts of nystatin, 4-8 parts of lemon, 6-12 parts of herbal polysaccharide, orange peel is overcritical mentions
Take 3-5 parts and sterile water 120-180 parts of object；The antistaling agent obtains by the following method: sterile water being added in blender, adds
Sucrose ester, tea polyphenols, propolis, casein, nystatin and lemon are added sequentially in sterile water by heat to 70-90 DEG C,
It persistently stirs 20-30 minutes, keeping temperature is 70 DEG C or more, is subsequently added into herbal polysaccharide, stirs 10-15 minutes, is cooled to 60-
68 DEG C, the stirring of orange peel supercritical extract is added until being uniformly mixed, is refrigerated in the environment of being then placed into 3-5 DEG C, for use.
(4) it impregnates: citrus is put into the above-mentioned configured citrus preservative, impregnate 20-30 seconds, pull out and dry；
(5) storage is dried: it will be by being store in advance in step (4) treated fruit is placed in ventilation storehouse, then pre- storage 2-3 days is used
Freshness protection package packaging containing nano-titanium dioxide and inorganic nano antiseptic.
2. a kind of preservation method of citrus according to claim 1, which is characterized in that stifling in the step (2) be
It carries out at room temperature, fumigation time 12-24h.
3. a kind of preservation method of citrus according to claim 1, which is characterized in that the orange peel supercritical extract is logical
It crosses following methods to obtain: citrus peeling being taken into fresh orange peel, 25-35 mesh is crushed to, is placed in carbon dioxide abstraction kettle, in 26-
It is to carry agent with the methanol of 90-95% under the conditions of 30MPa, 40-48 DEG C, methanol is 30% relative to the dosage of carbon dioxide, is moved
State extracts 1.5-3h, and flow velocity 220-250L/h can obtain extracting solution；By extracting solution concentration, drying and crushing to powdery to get taking
Orange peel supercritical extract.
4. a kind of preservation method of citrus according to claim 1, which is characterized in that the antistaling agent in the step (3)
It is made of the raw material of following parts by weight: 12 parts of sucrose ester, 7 parts of tea polyphenols, 4 parts of propolis, 6 parts of casein, 6 parts of nystatin, lemon
6 parts of lemon essential oil, 9 parts of herbal polysaccharide, 4 parts of orange peel supercritical extract and 150 parts of sterile water.
5. a kind of preservation method of citrus according to claim 1, which is characterized in that the herbal polysaccharide is by following weight
The raw material composition of part: 5-10 parts of lotus leaf, 5-10 parts of wrinkled giant hyssop, 6-12 parts of Radix Glycyrrhizae, 3-8 parts of the achene of Siberian cocklebur, 3-8 parts of black nightshade, 4-9 parts of wormwood
With 3-8 parts of nutmeg.
6. a kind of preservation method of citrus according to claim 5, which is characterized in that the herbal polysaccharide is by following weight
The raw material composition of part: 7 parts of lotus leaf, 7 parts of wrinkled giant hyssop, 9 parts of Radix Glycyrrhizae, 6 parts of the achene of Siberian cocklebur, 6 parts of black nightshade, 7 parts of wormwood and 6 parts of nutmeg.
7. a kind of preservation method of citrus according to claim 5 or 6, which is characterized in that the herbal polysaccharide by with
Lower method obtains: a. is soaked in water respectively after weighing lotus leaf, wrinkled giant hyssop, Radix Glycyrrhizae, the achene of Siberian cocklebur, black nightshade and each Chinese medicine of wormwood, adds
Entering solid-liquid ratio is 4-9g:2ml, and the EtOH Sonicate that concentration is 75-95% extracts 2-6 hours, and degreasing is simultaneously filtered, and obtains each folk prescription and decocts
Agent；B. each folk prescription decoction is merged, filters and take filtrate again, obtains medicinal extract after filtrate is concentrated and dried, disperse medicinal extract in
In purified water, then solid-liquid ratio 1-2g:43ml is added n-hexane concussion extraction, collects water phase extract；C. water phase is extracted
Object is concentrated under reduced pressure, and it is 75-85% that ethyl alcohol, which is added, and adjusts solution to alcohol content, places 8-12 hours, obtains flocculent deposit；D. it is heavy to filter out
It forms sediment, after successively being washed repeatedly with 95% or more ethyl alcohol, ether, is dried under vacuum to constant weight up to herbal polysaccharide.
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