CN109007005A - Photoinduction titanium dioxide multidigit point chelates the more microfacies fruit antistaling agents of silver zinc copper nanometer - Google Patents
Photoinduction titanium dioxide multidigit point chelates the more microfacies fruit antistaling agents of silver zinc copper nanometer Download PDFInfo
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- 235000013399 edible fruits Nutrition 0.000 title claims abstract description 65
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 50
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 23
- NZWXMOTXTNDNLK-UHFFFAOYSA-N [Cu].[Zn].[Ag] Chemical compound [Cu].[Zn].[Ag] NZWXMOTXTNDNLK-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 239000000284 extract Substances 0.000 claims abstract description 46
- 235000014360 Punica granatum Nutrition 0.000 claims abstract description 28
- 235000005979 Citrus limon Nutrition 0.000 claims abstract description 25
- 244000131522 Citrus pyriformis Species 0.000 claims abstract description 25
- 235000004936 Bromus mango Nutrition 0.000 claims abstract description 19
- 229920001661 Chitosan Polymers 0.000 claims abstract description 19
- 235000014826 Mangifera indica Nutrition 0.000 claims abstract description 19
- 235000009184 Spondias indica Nutrition 0.000 claims abstract description 19
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052802 copper Inorganic materials 0.000 claims abstract description 15
- 239000010949 copper Substances 0.000 claims abstract description 15
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 15
- 239000000661 sodium alginate Substances 0.000 claims abstract description 15
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 15
- 244000017020 Ipomoea batatas Species 0.000 claims abstract description 14
- 235000002678 Ipomoea batatas Nutrition 0.000 claims abstract description 14
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 241000283690 Bos taurus Species 0.000 claims abstract description 10
- 239000001827 citrus limon l. burm. f. peel extract Substances 0.000 claims abstract description 10
- 229940092251 lemon peel extract Drugs 0.000 claims abstract description 10
- 240000007228 Mangifera indica Species 0.000 claims abstract 2
- 239000000341 volatile oil Substances 0.000 claims description 39
- 235000012055 fruits and vegetables Nutrition 0.000 claims description 33
- 238000002360 preparation method Methods 0.000 claims description 29
- 241000219991 Lythraceae Species 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 27
- 238000000227 grinding Methods 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 18
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- 150000001875 compounds Chemical class 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 235000020097 white wine Nutrition 0.000 claims description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 6
- 235000014101 wine Nutrition 0.000 claims description 6
- 229960000583 acetic acid Drugs 0.000 claims description 5
- 239000012362 glacial acetic acid Substances 0.000 claims description 5
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 5
- 229920000053 polysorbate 80 Polymers 0.000 claims description 5
- BTURAGWYSMTVOW-UHFFFAOYSA-M sodium dodecanoate Chemical compound [Na+].CCCCCCCCCCCC([O-])=O BTURAGWYSMTVOW-UHFFFAOYSA-M 0.000 claims description 5
- 229940082004 sodium laurate Drugs 0.000 claims description 5
- 239000006228 supernatant Substances 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
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- 239000013522 chelant Substances 0.000 abstract description 4
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- 235000007164 Oryza sativa Nutrition 0.000 description 6
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- 239000011248 coating agent Substances 0.000 description 4
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- 238000004806 packaging method and process Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 241000207199 Citrus Species 0.000 description 3
- 235000005976 Citrus sinensis Nutrition 0.000 description 3
- 240000002319 Citrus sinensis Species 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000845 anti-microbial effect Effects 0.000 description 3
- 229940088710 antibiotic agent Drugs 0.000 description 3
- 235000020971 citrus fruits Nutrition 0.000 description 3
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- 239000004615 ingredient Substances 0.000 description 3
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 241001672694 Citrus reticulata Species 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 241000228143 Penicillium Species 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000004320 controlled atmosphere Methods 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
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- 238000007146 photocatalysis Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
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- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- 241000228212 Aspergillus Species 0.000 description 1
- 240000004307 Citrus medica Species 0.000 description 1
- 241000549556 Nanos Species 0.000 description 1
- 206010064458 Penicilliosis Diseases 0.000 description 1
- 241000228150 Penicillium chrysogenum Species 0.000 description 1
- 108010073771 Soybean Proteins Proteins 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 235000009754 Vitis X bourquina Nutrition 0.000 description 1
- 235000012333 Vitis X labruscana Nutrition 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000001857 anti-mycotic effect Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000002543 antimycotic Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000007942 carboxylates Chemical group 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
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- 238000000605 extraction Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000001408 fungistatic effect Effects 0.000 description 1
- 229940087603 grape seed extract Drugs 0.000 description 1
- 235000002532 grape seed extract Nutrition 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- 230000000241 respiratory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 235000019710 soybean protein Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000001717 vitis vinifera seed extract Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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
- A23B7/16—Coating with a protective layer; 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
- A23B7/14—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
- 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
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Microbiology (AREA)
- Medicines Containing Plant Substances (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The present invention provides a kind of photoinduction titanium dioxide multidigit points to chelate the more microfacies fruit antistaling agents of silver zinc copper nanometer, including lemon peel extract 10-15g, pomegranate rind extract 13-18g, Bitter Melon P.E 8-12g, lemon seed extract 4-7g, Megranate Seed P.E 3-6g, mango seed extract 8-13g, nano-titanium dioxide 3-5g, nano zine oxide 4-7g, nano silver 1.2-1.8g, Nanometer Copper 0.8-1.6g, chitosan 0.3-0.75g, diatomite 2.5-3.7g, sodium alginate 1.2-2.5g and sweet potato fiber element 3.1-4.5g.The antistaling agent can be applied to each link of the full industrial chain such as pre-cooling, low tempertaure storage and transportation and sale after fruit is adopted, and effect is lasting, safe ready, using wide with commercial promise.
Description
Technical field
The invention belongs to postharvest technology of fruits and vegetables fields, and in particular to a kind of photoinduction titanium dioxide multidigit point chelating silver zinc copper
The more microfacies fruit antistaling agents of nanometer.
Background technique
Postharvest fruit and vegetable anti-bacterial refreshing is always the hot spot of International Agriculture area research, Penicillium and Aspergillus
Etc. nosomycosises drastically influence the postharvest storage qualities of the various fruits such as citrus, pomegranate, because the problems such as rotting loss is up to 40%-
50%.Such as Penicillium is the main pathogenic bacteria of the fruits penicilliosis such as mandarin orange fruit, how to inhibit or kill Penicillium notatum etc. to cause
Germ is the key that postharvest fruit and vegetable is fresh-keeping.Coating-film fresh-keeping is a key technology of the means such as cooperating with low-temperature control fruit rot.
It is often used as applying membrane carrier with the biomaterials such as excellent film forming, antibiotic property and the chitosan of safety, soybean protein,
Fresh Keeping Mechanics is predominantly due to its micro- controlled atmosphere effect after fruit surface film forming and its cooperate with active constituent the antibiotic property of generation,
And then control fruit rot, induced defence and Shelf-life.Oligomict chitosan film material makes because its antibiotic property is bad
With limited.
The present invention carries out composite fresh-keeping and photoinduction processing by mandarin orange fruit, pomegranate uniform thickness follicarpium product, by commercial package
Afterwards, safe ready not only meets the requirement that city dweller is diversified to food, specializes, and improves fruit vegetables storing effect, fresh-keeping
Agent is that biological source and nano material combine, and for increasing farmers' income and driving the development of other related industries, improves fruits and vegetables
Comprehensive utilization of waste effect will have very great economic benefit, social benefit and ecological benefits.It yet there are no elder generation
The report of pass.
Summary of the invention
The purpose of the present invention is existing in view of the above technology, a kind of photoinduction titanium dioxide multidigit point chelating is provided
The more microfacies fruit antistaling agents of silver zinc copper nanometer, while the preparation method of the antistaling agent is provided well.
The present invention is realized especially by following technical scheme:
A kind of photoinduction titanium dioxide multidigit point chelating more microfacies fruit antistaling agents of silver zinc copper nanometer, including following dosage are closed
The component of system: lemon peel extract 10-15g, pomegranate rind extract 13-18g, Bitter Melon P.E 8-12g, lemon seed extract 4-
7g, Megranate Seed P.E 3-6g, mango seed extract 8-13g, nano-titanium dioxide 3-5g, nano zine oxide 4-7g, nano silver
1.2-1.8g, Nanometer Copper 0.8-1.6g, chitosan 0.3-0.75g, diatomite 2.5-3.7g, sodium alginate 1.2-2.5g and sweet potato
Cellulose 3.1-4.5g.
Preferably, the photoinduction titanium dioxide multidigit point chelates the more microfacies fruit antistaling agents of silver zinc copper nanometer, by matter
Amount includes following components: lemon peel extract 12g, pomegranate rind extract 15.5g, Bitter Melon P.E 9.6g, lemon seed extract
5.5g, Megranate Seed P.E 4.2g, mango seed extract 10.3g, nano-titanium dioxide 4.2g, nano zine oxide 5.3g, nanometer
Silver-colored 1.72g, Nanometer Copper 1.35g, chitosan 0.45g, diatomite 2.8g, sodium alginate 1.53g and sweet potato fiber element 3.57g.
In another aspect of this invention, the preparation method of above-mentioned fruit antistaling agent is also within protection of the invention, specifically
The following steps are included:
1) prepared by fruits and vegetables bark extract and the more microfacies mixtures of wine
Lemon peel extract, pomegranate rind extract and Bitter Melon P.E mixing are weighed respectively, are surpassed under high pressure
Crushing of Ultrafine adds soaking in Chinese liquor, is ground using nano-level grinder low-temperature nano, it is spare to obtain mixture A；
2) prepared by fruits and vegetables seed extract and the more microfacies mixtures of fruits and vegetables seed essential oil
Lemon seed extract, Megranate Seed P.E and the mixing of mango seed extract are weighed respectively, are carried out under high pressure
It pulverizes, adds lemon seed essential oil, pomegranate seed essential oil and mango seed essential oil respectively, be uniformly mixed, low-temperature nano grinding obtains mixed
It is spare to close object B；
3) prepared by modified Nano compound particle
It weighs nano-titanium dioxide and nano zine oxide is added in deionized water, add sodium laurate, magnetic force after adjusting pH
Supernatant, dry white modified Nano compound particle are abandoned in stirring, centrifugation；
4) photoinduction titanium dioxide multidigit selects the more microfacies antistaling agent preparations of chelating silver zinc copper nanometer
It weighs chitosan, diatomite, sodium alginate and sweet potato fiber element to be pulverized and mixed, adds mixture A, B and modification is received
Rice compound particle, collaboration glacial acetic acid, Tween 80 are added in deionized water, and nano silver and Nanometer Copper are added after homogeneous, grinds ultrasound,
It is chelated under high pressure to get target product.
Further, soaking in Chinese liquor described in step (1) is specially to add 56 degree of white wine, is impregnated under the conditions of 0-5 DEG C
12-18h。
Further, in step (2) mixture of lemon seed essential oil, pomegranate seed essential oil and mango seed essential oil based on 100mL
Amount, dosage are respectively as follows: lemon seed essential oil 25-30mL, pomegranate seed essential oil 35-45mL, mango seed essential oil 55-68mL.
Further, it is specially to utilize HCl and/or NaOH tune pH value for 5.0-5.2 that pH is adjusted in step (3)；Described
Magnetic agitation condition is to stir 50-65min at a temperature of 40-48 DEG C；The centrifugal condition be at 4000-6000rpm from
Heart 18-25min.
The compelx coating liquid when in use, is applied directly to the fruit surface of fresh picking, to it by antistaling agent of the present invention
Dry vanning low tempertaure storage.The fruit is selected from the fruits such as citrus, pomegranate, lemon.
The invention has the benefit that
(1) the fresh-keeping compelx coating liquid of the present invention is mainly by chitosan, diatomite, sodium alginate and sweet potato fiber element etc.,
Through high pressure draught nanometer pulverization and the technologies such as nano-milled, the extracts such as compound fruit and vegetable fruit skin, fruit or fruit seed and
Essential oil by nano silver and copper collaboration chelating in the nano-material surfaces such as nanometer titanium dioxide carbon and nano zine oxide, and passes through high pressure
The processing such as air-flow crushing, nano-milled and super-pressure form multidigit and select the fruit coating antistaling agent for chelating more microfacies, overcome list
The anti-microbial property of one antibacterial agent is bad and uses defect.
(2) chitosan, diatomite, sodium alginate and sweet potato fiber element etc., through high pressure draught nanometer pulverization and nano-milled
Etc. technologies, carrier with a variety of anti-biotic materials citrus, pomegranate, lemon uniform thickness pericarp fruit surface can be formed semi-permeable membrane in
Body surface, this film have permeability, different to the permeability of various gas molecules, form low O2High CO2Micro- controlled atmosphere ring
Border, to inhibit respiratory intensity；Chitosan is only dissolved in subacid solution, plays Synergistic antimicrobial fungistatic effect, slightly sour environment
With stronger antibacterial bacteriostatic effect, it can effectively obstruct the invasion of virus and inhibit the growth of germ.
(3) antistaling agent exists in the form of more microfacies, antistaling agent fruit surface solidification after, in entire storage by
Step volatilization is stored in small package bag, converts volatilization with the alcohol component in the raw essential oil fresh of the liquid of solid phase carrier, white wine
Exist for gaseous state antistaling agent or in intermediate conversion state, using initial stage can a large amount of biological source gaseous state of quick release it is fresh-keeping
Agent is in fruit quickly in the micro- gas phase or half micro- gas phase antistaling agent of high concentration, quickly inhibits or kill the microorganism on surface
Growth.Then in packaging bag water vapour be stepped up, sodium alginate and sweet potato fiber element gradually carry out microswelling, open
Duct made originally solid phase antistaling agent be converted into liquid phase antistaling agent and gradually infiltrated through duct and be then converted to gas phase antistaling agent
It is discharged into space, these phases may exist during low tempertaure storage with a variety of intermediate conversion phases, form more microfacies and protect
Fresh atmosphere, plays fresh-keeping effect.Fruit enters storage later period or after-ripening stage, and respiration is reinforced, and ambient humidity increases again,
Such fresh-keeping atmosphere of more microfacies is stronger, and the fruit of mating surface or fruits and vegetables seed etc. extract compound, white wine release ethyl alcohol and
The comprehensive Synergy of the antibacterial that the photoinduction of nano material generates, forms efficient fresh-keeping agent.
(4) great amount of hydroxy group and amino contained on the strand of high adsorption chitosan, collaboration diatom ooze, sodium alginate etc.
Chelate can be formed with nanoparticles such as silver, titaniums.Nano material than table vector product and is accompanied by skin effect, quantum because it is very big
Dimensional effect, macro quanta tunnel effect and interfacial effect etc. and be concerned.Nano-titanium dioxide, nano zine oxide and silver etc.
It is considered as most promising photocatalysis antibacterial agent because of its high activity, high stability and biocompatibility etc., because of its own system
With Photocatalysis ability, the bacterium and microorganism even killed in storage can inhibit, it can be with fruit vegetables storing process
The ethylene action of middle release, by ethylene decomposition Cheng Shui and carbon dioxide, so that the concentration of ethylene is reduced, when extending the storage of fruits and vegetables
Between, reach the non-harmful fresh-keeping effect of long-term efficient green.
(5) nano silver, Nanometer Copper and nano titanium dioxide, the absorption of Nano chitosan compelx coating are chelated into carrier,
It expands photoinduction excites scope and improves antibiotic property.Chitosan may be with bacterium surface because of its own amino group for carrying positive electricity
Interaction between electronegative carboxylate group leads to cell membrane disruption and kills microorganism.It nano-titanium dioxide and receives
Rice titanium oxide can produce electronegative electronics (e-) and positively charged hole (h+) under ultraviolet light, and wherein electronics (e-) makes
Absorption is dissolved in the O of titanium dioxide surface2Reduction forms O, and hole (h+) then by the OH of titanium dioxide surface-And H2O oxidation
At O and OH, generated active oxygen radical destroys cell wall and plays bactericidal effect.And nano silver and Nanometer Copper etc. are received
Rice material equally relies on its size to cause cell cracking with active oxygen effect and reaction of degeneration (RD) occurs in conjunction with protein.
(6) the biological sources antibacterial such as extracts and fruits and vegetables seed essential oil such as this antistaling agent uses natural fruit and vegetables fruit skin or fruit
Ingredient has very strong inhibitory effect to the germ easily occurred in postharvest fruit and vegetable storage, and closes relative to other chemistry
There is no negative effect not cause secondary pollution to it fruits and vegetables at antistaling agent, is a kind of nontoxic, efficient, economic plant source fruits and vegetables
Antistaling agent.
(7) present invention is by a variety of nanocomposites, biological source plants essential oil liquid and fruits and vegetables fruit skin, seed and fruit etc.
Solid phase shifts to an earlier date multidigit point collaboration after object carries out embedding liquefaction using a variety of composite Nano absorption carriers and chelates, nano silver and Nanometer Copper
The multidigit point chelating of equal materials widens the photoinduction excites scope of original nano-titanium dioxide and nano oxidized zinc nano material, changes
Become unborn physical aspect make its using it is more convenient extensively.
(8) antistaling agent can be applied to each link of the full industrial chain such as pre-cooling, low tempertaure storage and transportation and sale after fruit is adopted,
High-efficient and lasting, safe ready, starts gas regulating and antimycotic antiseptic is fresh-keeping, reaches holding fruit quality, and make full use of fruits and vegetables
The ecology raw material such as waste, economic, society with higher and ecological benefits, using wide with commercial promise.
Specific embodiment
Below in conjunction with specific embodiment of the present invention, technical solution of the present invention is clearly and completely described, is shown
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
The present invention is anti-for porous multiphase nanometer with nanoscale chitosan, porous-starch, sodium alginate and sweet potato fiber element
The chelating of bacterium material cooperates with solidified carrier, and this kind of carrier first passes around high pressure nano solid-state smashing and grinding, nano-level grinder liquid
It crushes and is prepared by the multi-stage nanos smashing and grinding dispersion technologies such as high-strength ultrasonic crushes.
Antimicrobial component is divided into level Four release nano antibacterial agent:
First part is fruits and vegetables skin wine extract, and pericarp extract and white spirit mixed are formed micro- solid-state and liquid more
Phase mixture；Second part is fruits and vegetables fruit seed derived essential oil, such as grape pip essential oil, pomegranate seed essential oil, lemon be a variety of
More microfacies ingredients；Part III is a variety of fruits and vegetables seed solids extraction object main components, such as grape seed extract, lemon extract
A variety of more microfacies ingredients；Part IV is that nanometer titanium dioxide and nano silver, Nanometer Copper etc. cooperate with multidigit point to chelate cooperative with ultraviolet radiation
Anti-biotic material is induced with LED light, emphasis is ultraviolet light induced synthesis anti-biotic material during fruit vegetables storing.
It is acted on by multi-stage nano grinding with high intense ultrasonic wave, forms nanometer multidigit point chelating solid-liquid-gas and its a variety of conversions
The fruits and vegetables composite preservative of the pre-cooling of more microfacies, the storage, transport and sale multistage use in conjunction of state.The antistaling agent is entirely being answered
There is liquid to be converted into the gaseous solid-liquid-gas three phase gradated and more again by solid state transformed liquid with foring one in the process
The release composite fresh-keeping mode of multidigit the point chelating and more microfacies of kind conversion intermediate state, easy to use, fresh-keeping effect is obvious.
Embodiment 1
Present embodiments provide a kind of photoinduction titanium dioxide multidigit point chelating more microfacies fruit antistaling agents of silver zinc copper nanometer
Specific preparation process, including the following contents:
1) prepared by fruits and vegetables bark extract and the more microfacies mixtures of wine
Lemon peel extract 15g, pomegranate rind extract 18g and Bitter Melon P.E 12g are weighed, it is first super using Multifunctional high pressure
Atomizer pulverize to mixture under the conditions of 0-5 DEG C and uniformly mixing, processing time are 20-45 minutes, then
56 degree of white wine of 100mL are added, 12-18h is impregnated under the conditions of 0-5 DEG C, it is then low using nano-level grinder under the conditions of 2-5 DEG C
It is nano-milled 10-15 hours of temperature, spare.
2) prepared by fruits and vegetables seed extract and the more microfacies mixtures of fruits and vegetables seed essential oil
Lemon seed extract 7g, Megranate Seed P.E 6g and mango seed extract 13g are weighed, it is first super using Multifunctional high pressure
Atomizer pulverize to mixture under the conditions of 0-5 DEG C and uniformly mixing, processing time are 15-35 minutes, then
Nano-milled, 0-5 DEG C of grinding 5-8h of low temperature is carried out using ball mill again, lemon seed essential oil 30mL, pomegranate seed essential oil is then added
After 45mL and mango seed essential oil 68mL mixing, ground 2-5 hours under the conditions of 2-5 degree using nano-level grinder low-temperature nano, it is standby
With.
3) preparation of modified Nano compound particle
Nano-titanium dioxide 5g and nano zine oxide 7g are weighed, is slowly added in 100ml deionized water, uses 1.1-
1.5mol/LHCl and 0.5-0.9mol/LNaOH tune pH value is 5.0-5.2, and 0.65g sodium laurate is then added.At 40-48 DEG C
Lower magnetic agitation mixed liquor 50-65min is washed with deionized three times in 4000-6000rpm centrifuge 18-25min, discards
Supernatant dries 25-55min using vacuum microwave drier under -0.088-0.095 vacuum condition, obtains white modification and receives
Rice compound particle.
4) photoinduction titanium dioxide multidigit selects the more microfacies antistaling agent preparations of chelating silver zinc copper nanometer
After weighing chitosan 0.75g, diatomite 3.7g, sodium alginate 2.5g and sweet potato fiber element 4.5g mixing, using ball
Grinding machine grinds 30-60min, is then using Multifunctional high pressure nano grinder co-grinding 35-45min, 18mL step 1 is made
After the standby material of material, the preparation of 25mL step 2 and the material mixing of 15g step 3 preparation, cooperate with 45mL glacial acetic acid, 32mL
Tween 80 is added in the deionized water of 5000mL, and after high pressure homogenizer homogeneous 60-110min, nano silver is then added
1.8g and Nanometer Copper 0.8g, then using nano-level grinder grinding 3-8h after, in large power supersonic disperser under the conditions of 100KHz
Ultrasonic 65-100min, after gained mixture further cooperates with chelating 30-50min in 600MPa using extra-high tension unit, as
Photoinduction titanium dioxide multidigit point chelates the more microfacies fruit antistaling agents of silver zinc copper nanometer.
Embodiment 2
Present embodiments provide a kind of photoinduction titanium dioxide multidigit point chelating more microfacies fruit antistaling agents of silver zinc copper nanometer
Specific preparation process, including the following contents:
1) prepared by fruits and vegetables bark extract and the more microfacies mixtures of wine
Lemon peel extract 10g, pomegranate rind extract 13g and Bitter Melon P.E 8g are weighed, it is first super using Multifunctional high pressure
Atomizer pulverize to mixture under the conditions of 0-5 DEG C and uniformly mixing, processing time are 20-45 minutes, then
56 degree of white wine of 100mL are added, 12-18h is impregnated under the conditions of 0-5 DEG C, it is then low using nano-level grinder under the conditions of 2-5 DEG C
It is nano-milled 10-15 hours of temperature, spare.
2) prepared by fruits and vegetables seed extract and the more microfacies mixtures of fruits and vegetables seed essential oil
Lemon seed extract 4g, Megranate Seed P.E 3g and mango seed extract 8g are weighed, it is first super using Multifunctional high pressure
Atomizer pulverize to mixture under the conditions of 0-5 DEG C and uniformly mixing, processing time are 15-35 minutes, then
Nano-milled, 0-5 DEG C of grinding 5-8h of low temperature is carried out using ball mill again, lemon seed essential oil 25mL, pomegranate seed essential oil is then added
After 35mL and mango seed essential oil 55mL mixing, ground 2-5 hours under the conditions of 2-5 degree using nano-level grinder low-temperature nano, it is standby
With.
3) preparation of modified Nano compound particle
Nano-titanium dioxide 3g and nano zine oxide 4g are weighed, is slowly added in 100ml deionized water, uses 1.1-
1.5mol/LHCl and 0.5-0.9mol/LNaOH tune pH value is 5.0-5.2, and 0.35g sodium laurate is then added.At 40-48 DEG C
Lower magnetic agitation mixed liquor 50-65min is washed with deionized three times in 4000-6000rpm centrifuge 18-25min, discards
Supernatant dries 25-55min using vacuum microwave drier under -0.088-0.095 vacuum condition, obtains white modification and receives
Rice compound particle.
5) photoinduction titanium dioxide multidigit selects the more microfacies antistaling agent preparations of chelating silver zinc copper nanometer
After weighing chitosan 0.3g, diatomite 2.5g, sodium alginate 1.2g and sweet potato fiber element 3.1g mixing, using ball milling
Machine grinds 30-60min, is then using Multifunctional high pressure nano grinder co-grinding 35-45min, is prepared by 10mL step 1
Material, after the material of 17mL step 2 preparation and the material mixing of 10g step 3 preparation, collaboration is by 32.5mL glacial acetic acid, 25mL
Tween 80 is added in the deionized water of 5000mL, and after high pressure homogenizer homogeneous 60-110min, nano silver is then added
1.2g, Nanometer Copper 1.6g, then using nano-level grinder grinding 3-8h after, in large power supersonic disperser under the conditions of 100KHz surpass
Sound 65-100min, gained mixture using extra-high tension unit in 600MPa further after collaboration chelating 30-50min, as light
Titanium dioxide multidigit point is induced to chelate the more microfacies fruit antistaling agents of silver zinc copper nanometer.
Embodiment 3
Present embodiments provide a kind of photoinduction titanium dioxide multidigit point chelating more microfacies fruit antistaling agents of silver zinc copper nanometer
Specific preparation process, including the following contents:
1) prepared by fruits and vegetables bark extract and the more microfacies mixtures of wine
Lemon peel extract 12g, pomegranate rind extract 15.5g and Bitter Melon P.E 9.6g are weighed, the more function of high pressure are first used
Energy micronizer pulverize to mixture and uniformly be mixed under the conditions of 0-5 DEG C, and handling the time is 20-45 minutes,
Then 56 degree of white wine of 100mL are added, 12-18h is impregnated under the conditions of 0-5 DEG C, then using nano-milled under the conditions of 2-5 DEG C
Machine low-temperature nano is ground 10-15 hours, spare.
2) prepared by fruits and vegetables seed extract and the more microfacies mixtures of fruits and vegetables seed essential oil
Lemon seed extract 5.5g, Megranate Seed P.E 4.2g and mango seed extract 10.3g are weighed, it is first more using high pressure
Function micronizer pulverize to mixture under the conditions of 0-5 DEG C and uniformly mixing, processing time are 15-35 points
Then clock carries out nano-milled, 0-5 DEG C of grinding 5-8h of low temperature using ball mill again, lemon seed essential oil 28mL, pomegranate is then added
It is small using nano-level grinder low-temperature nano grinding 2-5 under the conditions of 2-5 DEG C after seed essential oil 40mL and mango seed essential oil 62mL mixing
When, it is spare.
3) preparation of modified Nano compound particle
Nano-titanium dioxide 4.2g and nano zine oxide 5.3g are weighed, is slowly added in 100ml deionized water, uses 1.1-
1.5mol/LHCl and 0.5-0.9mol/LNaOH tune pH value is 5.0-5.2, and 0.35g sodium laurate is then added.At 40-48 DEG C
Lower magnetic agitation mixed liquor 50-65min is washed with deionized three times in 4000-6000rpm centrifuge 18-25min, discards
Supernatant dries 25-55min using vacuum microwave drier under -0.088-0.095 vacuum condition, obtains white modification and receives
Rice compound particle.
6) photoinduction titanium dioxide multidigit selects the more microfacies antistaling agent preparations of chelating silver zinc copper nanometer
After weighing chitosan 0.45g, diatomite 2.8g, sodium alginate 1.53g and sweet potato fiber element 3.57g mixing, use
Then ball mill grinding 30-60min is using Multifunctional high pressure nano grinder co-grinding 35-45min, by 10mL step 1
After the material mixing of the material of preparation, the material of 17mL step 2 preparation and the preparation of 10g step 3, collaboration by 32.5mL glacial acetic acid,
25mL Tween 80 is added in the deionized water of 5000mL, and after high pressure homogenizer homogeneous 60-110min, nanometer is then added
Silver-colored 1.72g and Nanometer Copper 1.35g, then using nano-level grinder grinding 3-8h after, the 100KHz item in large power supersonic disperser
Ultrasound 65-100min under part, after gained mixture further cooperates with chelating 30-50min in 600MPa using extra-high tension unit,
As photoinduction titanium dioxide multidigit point chelates the more microfacies fruit antistaling agents of silver zinc copper nanometer.
Embodiment 4
Picking 20kg intact fresh pomegranate, is put into the antistaling agent of the above-mentioned preparation of 5000mL in batches, and full fruit impregnates 5-
It takes out, is put on sieve after 7min, with powerful fan forced ventilation 20-40min, be without obvious droplet to its dry tack free
Can, it is placed in foam packaging box；It is control with the 20kg without the antistaling agent intact fresh pomegranate, is put into and is placed on foam packet
In vanning.Then 2 DEG C~4 are transferred to after 28h~32h being pre-chilled at a temperature of 3 DEG C~5 DEG C in the pomegranate fruit of processing and control fruit
After storing 3 months in DEG C preservation by low temperature library, with the antistaling agent treated fruit, bad fruit rate is only 1.8%, and control sample is bad
Fruit rate is 11.2%.
Embodiment 5
Picking 20kg intact fresh lemon, is put into the antistaling agent of the above-mentioned preparation of 5000mL in batches, and full fruit impregnates 5-
It takes out, is put on sieve after 7min, with powerful fan forced ventilation 20-40min, be without obvious droplet to its dry tack free
Can, it is placed in foam packaging box；It is control with the 20kg without the antistaling agent intact fresh lemon, is put into and is placed on foam packet
In vanning.Then 2 DEG C~4 are transferred to after for 24 hours~28h being pre-chilled at a temperature of 3 DEG C~5 DEG C in the citron fruit of processing and control fruit
After storing 3 months in DEG C preservation by low temperature library, with the antistaling agent treated fruit, bad fruit rate is only 3.2%, and control sample is bad
Fruit rate is 15.9%.
Embodiment 6
Picking 20kg intact fresh sweet orange, is put into the antistaling agent of the above-mentioned preparation of 5000mL in batches, and full fruit impregnates 3-
It takes out, is put on sieve after 5min, with powerful fan forced ventilation 20-40min, be without obvious droplet to its dry tack free
Can, it is placed in foam packaging box；It is control with the 20kg without the antistaling agent intact fresh sweet orange, is put into and is placed on foam packet
In vanning.Then 2 DEG C~4 are transferred to after for 24 hours~26h being pre-chilled at a temperature of 3 DEG C~5 DEG C in the sweet orange fruit of processing and control fruit
After storing 3 months in DEG C preservation by low temperature library, with the antistaling agent treated fruit, bad fruit rate is only 2.5%, and control sample is bad
Fruit rate is 13.1%.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understand without departing from the principles and spirit of the present invention can to these examples carry out it is a variety of variation, modification, replacement and
Modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of photoinduction titanium dioxide multidigit point chelates the more microfacies fruit antistaling agents of silver zinc copper nanometer characterized by comprising
Lemon peel extract 10-15g, pomegranate rind extract 13-18g, Bitter Melon P.E 8-12g, lemon seed extract 4-7g, pomegranate seed
Extract 3-6g, mango seed extract 8-13g, nano-titanium dioxide 3-5g, nano zine oxide 4-7g, nano silver 1.2-1.8g,
Nanometer Copper 0.8-1.6g, chitosan 0.3-0.75g, diatomite 2.5-3.7g, sodium alginate 1.2-2.5g and sweet potato fiber element
3.1-4.5g。
2. a kind of photoinduction titanium dioxide multidigit point according to claim 1 chelates the more microfacies fruit fresh-keepings of silver zinc copper nanometer
Agent characterized by comprising lemon peel extract 12g, pomegranate rind extract 15.5g, Bitter Melon P.E 9.6g, lemon seed mention
Take object 5.5g, Megranate Seed P.E 4.2g, mango seed extract 10.3g, nano-titanium dioxide 4.2g, nano zine oxide 5.3g,
Nano silver 1.72g, Nanometer Copper 1.35g, chitosan 0.45g, diatomite 2.8g, sodium alginate 1.53g and sweet potato fiber element
3.57g。
3. the preparation method of fruit antistaling agent of any of claims 1 or 2, which comprises the following steps:
1) prepared by fruits and vegetables bark extract and the more microfacies mixtures of wine
Lemon peel extract, pomegranate rind extract and Bitter Melon P.E mixing are weighed respectively, carry out Ultramicro-powder under high pressure
It is broken, soaking in Chinese liquor is added, is ground using nano-level grinder low-temperature nano, it is spare to obtain mixture A；
2) prepared by fruits and vegetables seed extract and the more microfacies mixtures of fruits and vegetables seed essential oil
Lemon seed extract, Megranate Seed P.E and the mixing of mango seed extract are weighed respectively, carry out ultra micro under high pressure
It crushes, adds lemon seed essential oil, pomegranate seed essential oil and mango seed essential oil respectively, be uniformly mixed, low-temperature nano grinding obtains mixture
B is spare；
3) prepared by modified Nano compound particle
It weighs nano-titanium dioxide and nano zine oxide to be added in deionized water, adjusts and add sodium laurate after pH, magnetic agitation,
Supernatant, dry white modified Nano compound particle are abandoned in centrifugation；
4) photoinduction titanium dioxide multidigit selects the more microfacies antistaling agent preparations of chelating silver zinc copper nanometer
It weighs chitosan, diatomite, sodium alginate and sweet potato fiber element to be pulverized and mixed, adds mixture A, B and modified Nano is multiple
Particle is closed, collaboration glacial acetic acid, Tween 80 are added in deionized water, and nano silver and Nanometer Copper, grinding ultrasound, in height are added after homogeneous
Chelating is under the conditions of pressure to get target product.
4. preparation method according to claim 3, which is characterized in that soaking in Chinese liquor described in step (1) is specially to add
Add 56 degree of white wine, impregnates 12-18h under the conditions of 0-5 DEG C.
5. preparation method according to claim 3, which is characterized in that lemon seed essential oil in step (2), pomegranate seed essential oil and
The mixture of mango seed essential oil is measured by 100mL, and dosage is respectively as follows: lemon seed essential oil 25-30mL, pomegranate seed essential oil 35-45mL,
Mango seed essential oil 55-68mL.
6. preparation method according to claim 3, which is characterized in that adjust in step (3) pH be specially utilize HCl and/
Or NaOH tune pH value is 5.0-5.2.
7. preparation method according to claim 3, which is characterized in that magnetic agitation condition described in step (3) be
50-65min is stirred at a temperature of 40-48 DEG C.
8. preparation method according to claim 3, which is characterized in that centrifugal condition described in step (3) is in 4000-
18-25min is centrifuged under 6000rpm.
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