CN110250263A - A kind of method of fertile mandarin orange keeping-freshness storage - Google Patents
A kind of method of fertile mandarin orange keeping-freshness storage Download PDFInfo
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- CN110250263A CN110250263A CN201910635205.XA CN201910635205A CN110250263A CN 110250263 A CN110250263 A CN 110250263A CN 201910635205 A CN201910635205 A CN 201910635205A CN 110250263 A CN110250263 A CN 110250263A
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- Prior art keywords
- mandarin orange
- fertile mandarin
- essential oil
- keeping
- fertile
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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
- A23B7/144—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
- A23B7/152—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 in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O ; Elimination of such other gases
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Storage Of Fruits Or Vegetables (AREA)
Abstract
The invention discloses a kind of method of fertile mandarin orange keeping-freshness storage, includes the following steps: that (1) pre-processes: taking out after the fresh fertile mandarin orange picked is impregnated 1min in fungicide, immediately dry；(2) film: will be immersed in 3-5min in film forming agent by pretreated fertile mandarin orange, take out, and dry up fertile mandarin orange exocuticle and place to fertile mandarin orange surface filming；(3) blotting paper for being sprayed with plants essential oil is placed in nanometer freshness protection package, then the fertile mandarin orange of step (2) surface filming is put into freshness protection package, is sealed freshness protection package, is refrigerated at 4-6 DEG C.The present invention can effectively kill the microorganisms such as harmful bacteria, the spore on fertile mandarin orange, prevent harmful microorganism breeding from causing fertile mandarin orange is rotten to rot, and extend fertile mandarin orange shelf-life and storage period, have far-reaching positive effect to the economic benefit for improving citrus planting industry.
Description
Technical field
The present invention relates to food preservative technology field, a kind of method for more particularly relating to fertile mandarin orange keeping-freshness storage.
Background technique
Fertile mandarin orange is a late-maturing Citrus after Cross Pollination kind, from the cenospecies of " temple " tangerine orange and " Dan Xi " red tangerine.It can
Dissolubility solid content 13.3%, titratable acid 0.58%, 12.76 grams/100 milliliters of inverted sugar, 6.84 grams/100 milliliters of reduced sugar, Vc
23.69 milligrams/100 milliliters of content, Gu sour ratio 22.9.Edible rate 74.62%, crushing juice rate 59.56%.Fruit type is oblate, pericarp is red
It is bright, appearance is very beautiful, fruit containing juice it is more, pulp is very fine and smooth, and taste sweet and sour taste is loved by consumers.
However, since fertile mandarin orange washiness, nutritive value are high, irrigate orange peel good air permeability, fruit be big, solid content compared with
Height, citrus still carry out respiration and transpiration after harvesting, cause the intracorporal storage material of fruit gradually to decompose, transpiration
So that moisture loss, weight saving, while the citrusfruit fruit surface in storage transport are easy by extraneous bacterial infestation
And generate and rot, cause shelf life and storage time to shorten, lead to rotting for fruit, to storage and transports extremely not
Benefit.
Currently, having the methods of coating method, refrigeration, drug-treated, coating problems, coating method for the preservation method of citrus
Preservative film is mainly made, but that there are acquisition times is shorter, preservation is uneven, it is difficult to the disadvantages of guaranteeing effect；Drug-treated
Artificial synthesized fungicide is mainly used, but belongs to chemical products mostly, is had a certain impact to the safety of food；It applies
Film process is to prevent the dehydrations of fruits and vegetables, aging in citrus surface dipping, film or sprinkling paint and rot, equally
There are problems that reagent safety.Therefore, it is necessary to study a kind of citrus preservation method highly-safe, of good preservation effect.
Summary of the invention
It is an object of the invention to overcome defect of the existing technology, provide a kind of highly-safe, of good preservation effect
The method of fertile mandarin orange keeping-freshness storage.
To achieve the goals above, The technical solution adopted by the invention is as follows:
The method of fertile mandarin orange keeping-freshness storage of the invention, includes the following steps:
(1) it pre-processes: being taken out after the fresh fertile mandarin orange picked is impregnated 0.5-1min in fungicide, immediately drying is fertile
Mandarin orange exocuticle；
(2) film: will be immersed in 3-5min in film forming agent by pretreated fertile mandarin orange, take out, and dry up fertile mandarin orange exocuticle and put
It sets to fertile mandarin orange surface filming；The film forming agent is made of the raw material of following mass percent: chitosan 0.5-1%, glucose
Oxidizing ferment 0.2-0.3%, alcohol soluble protein 32-35%, the ethanol solution for being 30-70% remaining as volume fraction；
(3) it is placed in nanometer freshness protection package and is sprayed with the blotting paper of plants essential oil, then by the fertile mandarin orange of step (2) surface filming
It is put into freshness protection package, seals freshness protection package, refrigerated at 4-6 DEG C.
Preferably, it will first reject crust by pretreated fertile mandarin orange before film in the step (2) and have damage, is sick
The fertile mandarin orange of spot.
Preferably, the fungicide is made of the raw material of following mass percent: garlic powder 1-5%, tea polyphenols 0.5-
2%, sodium sorbate 0.1-1%, glacial acetic acid 1-2.5%, remaining as sterile water；By garlic powder, tea polyphenols, sodium sorbate and ice vinegar
Acid is mixed with sterile water, and stirring in sterile water, obtains fungicide to whole dissolution of raw material.
Preferably, the film forming agent the preparation method comprises the following steps: alcohol soluble protein is placed in ethanol solution, stir 30-60min,
It is thoroughly dispersed in alcohol soluble protein in ethanol solution, adds chitosan and glucose oxidase, continue to stir 20-40min, obtain
To film forming agent.
Preferably, the alcohol soluble protein is kafirin, zeins, glutinous rice alcohol soluble protein, wheat alcohol
Any one or more than one mixture in molten albumen.
Preferably, the nanometer freshness protection package is blow molded by LDPE Composite, the low density polyethylene
Each raw material and mass percent in alkene composite material are as follows: titanium dioxide nanoparticle 3-7%, nano silver 2.5-6%, remaining as low
Density polyethylene materials.
Preferably, the plants essential oil includes tangerine oil, capsicum oil, Radix Curcumae essential oil, Herba Origani Vulgaris quintessence oil, garlic essence
Oil, cinnamon essential oil, litsea cubeba oil, Chinese scholartree essential oil, hill gooseberry's essential oil, thyme essential oil, clove oil, Fructus Perillae quintessence oil, camphor tree
Essential oil, Salvia japonica essential oil, nutmeg essential oil, tea tree leaf essential oil, two or more any mixing in shaddock peel essential oil
Object.
Preferably, the step (1)-step (3) interior for 24 hours after fertile mandarin orange is picked need to carry out.
Preferably, the fungicide is Prochloraz and 2,1000-1200 times of liquid of the mixture of 4- dichlorphenoxyacetic acid.
Preferably, the Prochloraz and 2, the volume ratio of 4- dichlorphenoxyacetic acid are 1:0.5-1.
The present invention is by adopting the above-described technical solution, have the advantages that
1, the present invention (only cleans just the fresh-keeping method for storing of fertile mandarin orange relative to conventional processing method after picking
Direct cryopreservation), fruit weight-loss ratio, citric acid turnover rate and sugar contents turnover rate can be significantly reduced, fruit appearance becomes
Change it is small, storage 18 days after without mildew without rot.Illustrate that fertile mandarin orange fresh-keeping method for storing of the invention can maximumlly play each step
Between synergistic function, pretreatment can kill the germ of fertile 90% or more mandarin orange epidermis, film then be carried out, by fertile mandarin orange epidermis
With air exclusion, harmful bacteria is prevented to be attached on epidermis, then is packed with the nanometer freshness protection package with antibiotic effect, freshness protection package
In be also sprayed with the blotting paper of plants essential oil, the moisture that fertile mandarin orange respiration generates can be absorbed in one side blotting paper, another
Aspect essential oil has volatility and inoxidizability, can drive the air in freshness protection package out of, reduces fertile mandarin orange degree of oxidation, extends fresh-keeping
Time, the above processing step have complementary advantages, and of good preservation effect, the fruit quality after storage is higher, and the fertile mandarin orange of storage can be effectively reduced
Morbidity rotting rate, resistance to fungal disease ability is strong, favorable anti-corrosion effect, reduction adopt after lose.
2, the fungicide that uses of the present invention contains garlic powder, tea polyphenols, sodium sorbate and glacial acetic acid etc., be to human body without
The substance of toxic action plays antisepsis and sterilization effect, avoids breeding in fertile mandarin orange surface microorganism, further improves antistaling agent
Fungistatic effect avoids various chemical preservatives from endangering the mankind and environment bring.
3, the film forming agent that applicant develops according to fertile mandarin orange epithelial properties has both film forming, fungistatic effect, and can slow down fertile
The respiration of mandarin orange forms protective film on fertile mandarin orange surface, prevents moisture from evaporating, so that slowly releasing for fertile mandarin orange moisture be effectively ensured
It puts, will not also damage internal respiration, the fertile mandarin orange saponin(e V of fertile mandarin orange, fertile mandarin orange total saposins are effectively enriched with.Secondly, by
Contain alcohol soluble protein in film forming agent, there is unique hydrophobicity, heat resistance, film forming, degradability and inoxidizability, have
The advantages of safety and stability, and no pollution to the environment.One layer of guarantor is formed on fertile mandarin orange surface by modes such as spraying, film or immersions
Fresh film, easy to use, durable antibacterial effect effectively extend the shelf life of fertile mandarin orange.
4, the present invention is sealed fertile mandarin orange using nanometer freshness protection package, compared with common freshness protection package, is added to nano-silica
The proliferation of bacterium and fungi can be inhibited well by changing titanium particle and nano silver, Ag, play the role of preservation and antisepsis, antibiotic property is more
It is good, the inhibitory effect of mould is become apparent from.And it is added to the physical property of the packaging material of nanoparticle, mechanical property and thoroughly
Gas, penetrability, stability etc. greatly improve, the quality decline and corruption that can be reduced or delay citrus fruits in storage
Lose generation.
5, the blotting paper of plants essential oil is also sprayed in nanometer freshness protection package, is rich in a large amount of oleic acid, phenolic acid, alcohol in essential oil
Class, benezene material have the function of that a variety of bacterium is inhibited to breed growth, and can eliminate free radical, SOD and can be consumed, and reduces fertile
The speed that mandarin orange is oxidized.
In conclusion the present invention first impregnates fertile mandarin orange in fungicide, then its surface impregnate to be formed one layer it is fresh-keeping anti-
Cuticula, then packed with nanometer freshness protection package, it keeps fertile mandarin orange fruit surface dry, prevents epidermis from fold, browning phenomenon occur, have
Effect inhibits germ to breed, and delayed fruit is rotted and after-ripening process, extends shelf life.The various auxiliary agent noresidues used, it is non-toxic,
Pollution-free, environmentally protective, use is safe, long action time, and stability is high, can effectively kill harmful bacteria, the spore on fertile mandarin orange
The microorganisms such as son prevent harmful microorganism breeding from causing fertile mandarin orange is rotten to rot, and extend fertile mandarin orange shelf-life and storage period, to improving mandarin orange
The economic benefit of tangerine planting industry has far-reaching influence.
Detailed description of the invention
Fig. 1 is in comparative test, and the fruit weight-loss ratio of test group and control group compares；
Fig. 2 is in comparative test, and the fruit citric acid content of test group and control group compares；
Fig. 3 is in comparative test, and the fruit sugar contents of test group and control group compare；
Fig. 4 is to be saved at 5 DEG C 25 days using freshness protection package of the present invention and the fertile mandarin orange stored using conventional freshness protection package
Comparison diagram；
Fig. 5 is to be saved at 5 DEG C 65 days using freshness protection package of the present invention and the fertile mandarin orange stored using conventional freshness protection package
Comparison diagram；
Fig. 6 is that pair of 18 days fertile mandarin oranges is saved at 25 DEG C by processing method of the present invention and conventional fresh-keeping treating method
Than figure.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, preferred embodiment is enumerated below, to this hair
Bright further description.However, it is necessary to illustrate, many details listed in specification are used for the purpose of making reader to this
The one or more aspects of invention have a thorough explanation, also may be implemented even without these specific details of the invention
These aspects.
Embodiment 1
The method of fertile mandarin orange keeping-freshness storage of the invention, includes the following steps:
(1) it pre-processes: the fresh fertile mandarin orange picked being placed in fungicide and impregnates 0.5min, is immediately blown with filtrated air
Dry fertile mandarin orange exocuticle；The fungicide is made of the raw material of following mass percent: garlic powder 5%, tea polyphenols 2%, sorbic acid
Sodium 1%, glacial acetic acid 2.5%, remaining as sterile water；Garlic powder, tea polyphenols, sodium sorbate and glacial acetic acid are mixed with sterile water,
Stirring in sterile water, obtains fungicide to whole dissolution of raw material；
(2) it film: rejects and has been subjected to pretreated in step (1), crust has the fertile mandarin orange of mechanical damage or scab, then will remain
Remaining fertile mandarin orange is immersed in 5min in film forming agent, takes out, and dries up fertile mandarin orange exocuticle with filtrated air, makes its surface filming；Described
Film forming agent is made of the raw material of following mass percent: chitosan 0.5%, glucose oxidase 0.2%, kafirin
32%, the ethanol solution for being 30% remaining as volume fraction；
(3) it is placed in nanometer freshness protection package and is sprayed with the blotting paper of composite plant essential oil, then by step (2) surface filming
Fertile mandarin orange is put into freshness protection package, seals freshness protection package, refrigerates at 4 DEG C.
The film forming agent the preparation method comprises the following steps: kafirin is placed in ethanol solution, stir 30min, keep alcohol molten
Albumen is thoroughly dispersed in ethanol solution, adds chitosan and glucose oxidase, is continued to stir 20min, is obtained film forming agent.
The nanometer freshness protection package is blow molded by LDPE Composite, the low density polyethylene (LDPE) composite wood
Each raw material and mass percent in material are as follows: titanium dioxide nanoparticle 3%, nano silver 2.5%, it is poly- remaining as conventional low-density
Vinyl material.
The composite plant essential oil is made of tangerine oil and Radix Curcumae essential oil by the volume ratio of 1:1.
Embodiment 2
The method of fertile mandarin orange keeping-freshness storage of the invention, includes the following steps:
(1) it pre-processes: the fresh fertile mandarin orange picked being placed in fungicide and impregnates 0.6min, is immediately blown with filtrated air
Dry fertile mandarin orange exocuticle；The fungicide is made of the raw material of following mass percent: garlic powder 4.2%, tea polyphenols 1.7%, mountain
Pears acid sodium 0.8%, glacial acetic acid 2.2%, remaining as sterile water；By garlic powder, tea polyphenols, sodium sorbate and glacial acetic acid and sterile water
Mixing, stirring in sterile water, obtain fungicide to whole dissolution of raw material；
(2) it film: rejects and has been subjected to pretreated in step (1), crust has the fertile mandarin orange of mechanical damage or scab, then will remain
Remaining fertile mandarin orange is immersed in 4.6min in film forming agent, takes out, and dries up fertile mandarin orange exocuticle with filtrated air, makes its surface filming；It is described
Film forming agent be made of the raw material of following mass percent: chitosan 0.6%, glucose oxidase 0.22%, the molten egg of corn alcohol
White 32.6%, the ethanol solution for being 38% remaining as volume fraction；
(3) it is placed in nanometer freshness protection package and is sprayed with the blotting paper of composite plant essential oil, then by step (2) surface filming
Fertile mandarin orange is put into freshness protection package, seals freshness protection package, refrigerates at 5 DEG C.
The film forming agent the preparation method comprises the following steps: zeins is placed in ethanol solution, stir 36min, keep alcohol molten
Albumen is thoroughly dispersed in ethanol solution, adds chitosan and glucose oxidase, is continued to stir 24min, is obtained film forming agent.
The nanometer freshness protection package is blow molded by LDPE Composite, the low density polyethylene (LDPE) composite wood
Each raw material and mass percent in material are as follows: titanium dioxide nanoparticle 3.8%, nano silver 3.2%, remaining as conventional low-density
Polythene material.
The composite plant essential oil presses 3:2:2:1 by Herba Origani Vulgaris quintessence oil, clove oil, thyme essential oil and Salvia japonica essential oil
Volume ratio composition.
Embodiment 3
The method of fertile mandarin orange keeping-freshness storage of the invention, includes the following steps:
(1) it pre-processes: the fresh fertile mandarin orange picked being placed in fungicide and impregnates 0.7min, is immediately blown with filtrated air
Dry fertile mandarin orange exocuticle；The fungicide is made of the raw material of following mass percent: garlic powder 3.4%, tea polyphenols 1.4%, mountain
Pears acid sodium 0.7%, glacial acetic acid 1.9%, remaining as sterile water；By garlic powder, tea polyphenols, sodium sorbate and glacial acetic acid and sterile water
Mixing, stirring in sterile water, obtain fungicide to whole dissolution of raw material；
(2) it film: rejects and has been subjected to pretreated in step (1), crust has the fertile mandarin orange of mechanical damage or scab, then will remain
Remaining fertile mandarin orange is immersed in 4.2min in film forming agent, takes out, and dries up fertile mandarin orange exocuticle with filtrated air, makes its surface filming；It is described
Film forming agent be made of the raw material of following mass percent: chitosan 0.7%, glucose oxidase 0.24%, the molten egg of glutinous rice alcohol
White 20%, wheat gliadin 13.2%, the ethanol solution for being 46% remaining as volume fraction；
(3) it is placed in nanometer freshness protection package and is sprayed with the blotting paper of composite plant essential oil, then by step (2) surface filming
Fertile mandarin orange is put into freshness protection package, seals freshness protection package, refrigerates at 6 DEG C.
The film forming agent the preparation method comprises the following steps: glutinous rice alcohol soluble protein, wheat gliadin are placed in ethanol solution, stir
42min is thoroughly dispersed in alcohol soluble protein in ethanol solution, adds chitosan and glucose oxidase, continues to stir
28min obtains film forming agent.
The nanometer freshness protection package is blow molded by LDPE Composite, the low density polyethylene (LDPE) composite wood
Each raw material and mass percent in material are as follows: titanium dioxide nanoparticle 4.5%, nano silver 4%, it is poly- remaining as conventional low-density
Vinyl material.
The composite plant essential oil by Radix Curcumae essential oil, galic essential oil, Chinese scholartree essential oil, Fructus Perillae quintessence oil, camphor tree essential oil and
Shaddock peel essential oil is formed by the volume ratio of 5:6:4:5:2:3.
Embodiment 4
The method of fertile mandarin orange keeping-freshness storage of the invention, includes the following steps:
(1) it pre-processes: the fresh fertile mandarin orange picked being placed in fungicide and impregnates 0.9min, is immediately blown with filtrated air
Dry fertile mandarin orange exocuticle；The fungicide is made of the raw material of following mass percent: garlic powder 2.6%, tea polyphenols 1.1%, mountain
Pears acid sodium 0.5%, glacial acetic acid 1.6%, remaining as sterile water；By garlic powder, tea polyphenols, sodium sorbate and glacial acetic acid and sterile water
Mixing, stirring in sterile water, obtain fungicide to whole dissolution of raw material；
(2) it film: rejects and has been subjected to pretreated in step (1), crust has the fertile mandarin orange of mechanical damage or scab, then will remain
Remaining fertile mandarin orange is immersed in 3.8min in film forming agent, takes out, and dries up fertile mandarin orange exocuticle with filtrated air, makes its surface filming；It is described
Film forming agent be made of the raw material of following mass percent: chitosan 0.8%, glucose oxidase 0.26%, the molten egg of Ocatacosanol
White 10%, zeins 12.6%, wheat gliadin 11.2%, the ethanol solution for being 54% remaining as volume fraction；
(3) it is placed in nanometer freshness protection package and is sprayed with the blotting paper of composite plant essential oil, then by step (2) surface filming
Fertile mandarin orange is put into freshness protection package, seals freshness protection package, refrigerates at 4 DEG C.
The film forming agent the preparation method comprises the following steps: kafirin, zeins, wheat gliadin are placed in second
In alcoholic solution, 48min is stirred, alcohol soluble protein is thoroughly dispersed in ethanol solution, adds chitosan and glucose oxidase,
Continue to stir 32min, obtains film forming agent.
The nanometer freshness protection package is blow molded by LDPE Composite, the low density polyethylene (LDPE) composite wood
Each raw material and mass percent in material are as follows: titanium dioxide nanoparticle 5.5%, nano silver 4.5%, remaining as conventional low-density
Polythene material.
The composite plant essential oil is by capsicum oil, litsea cubeba oil, hill gooseberry's essential oil, nutmeg essential oil, wild marjoram essence
Oil and tangerine oil are formed by the volume ratio of 2:4:1:2:5:5.
Embodiment 5
The method of fertile mandarin orange keeping-freshness storage of the invention, includes the following steps:
(1) it pre-processes: the fresh fertile mandarin orange picked being placed in fungicide and impregnates 0.9min, is immediately blown with filtrated air
Dry fertile mandarin orange exocuticle；The fungicide is made of the raw material of following mass percent: garlic powder 1.8%, tea polyphenols 0.8%, mountain
Pears acid sodium 0.3%, glacial acetic acid 1.2%, remaining as sterile water；By garlic powder, tea polyphenols, sodium sorbate and glacial acetic acid and sterile water
Mixing, stirring in sterile water, obtain fungicide to whole dissolution of raw material；
(2) it film: rejects and has been subjected to pretreated in step (1), crust has the fertile mandarin orange of mechanical damage or scab, then will remain
Remaining fertile mandarin orange is immersed in 3.4min in film forming agent, takes out, and dries up fertile mandarin orange exocuticle with filtrated air, makes its surface filming；It is described
Film forming agent be made of the raw material of following mass percent: chitosan 0.9%, glucose oxidase 0.28%, the molten egg of Ocatacosanol
White 8%, zeins 15%, glutinous rice alcohol soluble protein 9%, wheat gliadin 2.4% are 62% remaining as volume fraction
Ethanol solution；
(3) it is placed in nanometer freshness protection package and is sprayed with the blotting paper of composite plant essential oil, then by step (2) surface filming
Fertile mandarin orange is put into freshness protection package, seals freshness protection package, refrigerates at 5 DEG C.
The film forming agent the preparation method comprises the following steps: by kafirin, zeins, glutinous rice alcohol soluble protein, wheat
Alcohol soluble protein is placed in ethanol solution, is stirred 54min, is thoroughly dispersed in alcohol soluble protein in ethanol solution, adds chitosan
And glucose oxidase, continue to stir 36min, obtains film forming agent.
The nanometer freshness protection package is blow molded by LDPE Composite, the low density polyethylene (LDPE) composite wood
Each raw material and mass percent in material are as follows: titanium dioxide nanoparticle 7%, nano silver 5.3%, it is poly- remaining as conventional low-density
Vinyl material.
The composite plant essential oil is pressed the volume ratio group of 3:5:1 by clove oil, shaddock peel essential oil and Radix Curcumae essential oil
At.
Embodiment 6
The method of fertile mandarin orange keeping-freshness storage of the invention, includes the following steps:
(1) it pre-processes: the fresh fertile mandarin orange picked being placed in fungicide and impregnates 1min, is immediately dried up with filtrated air
Fertile mandarin orange exocuticle；The fungicide is made of the raw material of following mass percent: garlic powder 1%, tea polyphenols 0.5%, sorbic acid
Sodium 0.1%, glacial acetic acid 1%, remaining as sterile water；Garlic powder, tea polyphenols, sodium sorbate and glacial acetic acid are mixed with sterile water,
Stirring in sterile water, obtains fungicide to whole dissolution of raw material；
(2) it film: rejects and has been subjected to pretreated in step (1), crust has the fertile mandarin orange of mechanical damage or scab, then will remain
Remaining fertile mandarin orange is immersed in 3min in film forming agent, takes out, and dries up fertile mandarin orange exocuticle with filtrated air, makes its surface filming；Described
Film forming agent is made of the raw material of following mass percent: chitosan 1%, glucose oxidase 0.3%, kafirin 8%,
Zeins 8%, glutinous rice alcohol soluble protein 10%, wheat gliadin 9%, the ethyl alcohol for being 70% remaining as volume fraction are molten
Liquid；
(3) it is placed in nanometer freshness protection package and is sprayed with the blotting paper of composite plant essential oil, then by step (2) surface filming
Fertile mandarin orange is put into freshness protection package, seals freshness protection package, refrigerates at 6 DEG C.
The film forming agent the preparation method comprises the following steps: by kafirin, zeins, glutinous rice alcohol soluble protein, wheat
Alcohol soluble protein is placed in ethanol solution, is stirred 60min, is thoroughly dispersed in alcohol soluble protein in ethanol solution, adds chitosan
And glucose oxidase, continue to stir 40min, obtains film forming agent.
The nanometer freshness protection package is blow molded by LDPE Composite, the low density polyethylene (LDPE) composite wood
Each raw material and mass percent in material are as follows: titanium dioxide nanoparticle 6.3%, nano silver 6%, it is poly- remaining as conventional low-density
Vinyl material.
The composite plant essential oil is made of Herba Origani Vulgaris quintessence oil and thyme essential oil by the volume ratio of 3:2.5.
Embodiment 7
The processing step of the present embodiment is identical as the processing step of embodiment 6, and difference place is that the fungicide is
Prochloraz and 2,4 dichlorophenoxyacetic acid press the mixed 1000 times of liquid of volume ratio of 1:0.5.
Embodiment 8
The processing step of the present embodiment is identical as the processing step of embodiment 6, and difference place is that the fungicide is
Prochloraz and 2,4 dichlorophenoxyacetic acid press the mixed 1200 times of liquid of volume ratio of 1:1.
Above-described embodiment 1-8 is intended to complete within fertile mandarin orange picks for 24 hours to the processing method of fertile mandarin orange.
Fresh-keeping effect comparative test
The effect and practical value of mandarin orange method for storing and refreshing are irrigated in order to further illustrate the present invention, and applicant does following comparison
Test:
The consistent fruits of exterior qualities such as the fertile mandarin orange size of selection a batch, maturity be close, are randomly divided into control group and test
Group, every group of 50 fruits, the fruit of control group are stored at 5 DEG C after being washed with clear water, and the fruit of test group is according to of the invention real
The method for applying example 2 carries out processing storage, tests weight-loss ratio, citric acid content, sugar contents, the rotting rate of two groups of fruits, and sees
The cosmetic variation of fruit is examined, it is as a result as follows.
Rotting rate: it is rotted with there is local small area for criterion of rotting:
Rotting rate (%)=(rotten fruit number/inspection the total number of fruits) × 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%；
Weight-loss ratio: using the specific gravity of water loss as criterion:
Fertile mandarin orange weight × 100% that weight-loss ratio (%)=(the fertile mandarin orange weight-of beginning fresh-keeping after fertile mandarin orange weight)/starts.
Table 1
By table 1 and attached drawing 1-3 it is found that (only carrying out cleaning after picking and be stored up with regard to direct low temperature relative to conventional processing method
Hiding), fertile mandarin orange fresh-keeping method for storing of the invention can be significantly reduced fruit weight-loss ratio, citric acid turnover rate and sugar contents and be lost
Rate, fruit appearance variation is small, and storage rots after 18 days without mildew nothing, illustrates that fertile mandarin orange fresh-keeping method for storing of the invention can maximize
Each step of performance between synergistic function, and can have complementary advantages, of good preservation effect, the fruit quality after storage is higher, energy
The morbidity rotting rate for storing fertile mandarin orange is effectively reduced, resistance to fungal disease ability is strong, favorable anti-corrosion effect, and reduction is lost after adopting.
Such as attached drawing 4 and attached drawing 5, upper row's fruit be the fruit of use processing method of the present invention in attached drawing, and lower row's fruit is normal
Fruit after advising store method, after 25 days, the pericarp of lower row's fruit relatively wrinkles than upper row's fruit, and the pericarp of upper row's fruit is full
It is glossy, in bright-coloured orange-yellow.After 65 days, lower row's fruit water is lost obviously, and volume-diminished amplitude is big, and condition is poor, and on
When arranging fruit with respect to the 25th day, variation less, still shows the appearance of comparatively fresh.
It is the fruit using processing method of the present invention in the basket of the left side in attached drawing 6, is routine preservation method in the basket of the right
Fruit afterwards, it is seen then that only one in left basket irrigates mandarin orange fruit and rot, other fruit rinds are orange in basket, also not rotten
Rotten fruit infection.The fruit rot degree degree rotted in right basket is high, has a fruit and is infected more apparent, also
There is white powder in several fruit surfaces, illustrate to be infected.
Claims (10)
1. a kind of method of fertile mandarin orange keeping-freshness storage, which comprises the steps of:
(1) it pre-processes: being taken out after the fresh fertile mandarin orange picked is impregnated 0.5-1min in fungicide, immediately dried up outside fertile mandarin orange
Epidermis；
(2) film: will be immersed in 3-5min in film forming agent by pretreated fertile mandarin orange, take out, dry up fertile mandarin orange exocuticle place to
Fertile mandarin orange surface filming；The film forming agent is made of the raw material of following mass percent: chitosan 0.5-1%, grape are glycoxidative
Enzyme 0.2-0.3%, alcohol soluble protein 32-35%, the ethanol solution for being 30-70% remaining as volume fraction；
(3) blotting paper for being sprayed with plants essential oil is placed in nanometer freshness protection package, then the fertile mandarin orange of step (2) surface filming is put into
In freshness protection package, freshness protection package is sealed, is refrigerated at 4-6 DEG C.
2. the method for fertile mandarin orange keeping-freshness storage according to claim 1, which is characterized in that will be by pre- in the step (2)
Processing fertile mandarin orange before film, first reject crust have damage, the fertile mandarin orange of scab.
3. the method for fertile mandarin orange keeping-freshness storage according to claim 1, which is characterized in that the fungicide is by following quality
The raw material of percentage forms: garlic powder 1-5%, tea polyphenols 0.5-2%, sodium sorbate 0.1-1%, glacial acetic acid 1-2.5%, remaining
For sterile water；Garlic powder, tea polyphenols, sodium sorbate and glacial acetic acid are mixed with sterile water, stirring is to whole dissolution of raw material in nothing
In bacterium water, fungicide is obtained.
4. the method for fertile mandarin orange keeping-freshness storage according to claim 1, which is characterized in that the preparation method of the film forming agent
Are as follows: alcohol soluble protein is placed in ethanol solution, 30-60min is stirred, is thoroughly dispersed in alcohol soluble protein in ethanol solution, then plus
Enter chitosan and glucose oxidase, continues to stir 20-40min, obtain film forming agent.
5. the method for fertile mandarin orange keeping-freshness storage according to claim 4, which is characterized in that the alcohol soluble protein is Ocatacosanol
Molten albumen, zeins, glutinous rice alcohol soluble protein, any one or more than one mixture in wheat gliadin.
6. the method for fertile mandarin orange keeping-freshness storage according to claim 1, which is characterized in that the nanometer freshness protection package is by low close
Degree composite polyethylene material is blow molded, each raw material and mass percent in the LDPE Composite are as follows: nanometer
Titanium dioxide granule 3-7%, nano silver 2.5-6%, remaining as low-density polyethylene material.
7. the method for fertile mandarin orange keeping-freshness storage according to claim 1, which is characterized in that the plants essential oil includes citrus
Essential oil, capsicum oil, Radix Curcumae essential oil, Herba Origani Vulgaris quintessence oil, galic essential oil, cinnamon essential oil, litsea cubeba oil, Chinese scholartree essential oil, peach gold
Ma's essential oil, thyme essential oil, clove oil, Fructus Perillae quintessence oil, camphor tree essential oil, Salvia japonica essential oil, nutmeg essential oil, tea tree folic acid
Oil, two or more any mixture in shaddock peel essential oil.
8. the method for fertile mandarin orange keeping-freshness storage according to claim 1, which is characterized in that the step (1)-step (3) needs
It is interior for 24 hours after the picking of fertile mandarin orange to carry out.
9. the method for fertile mandarin orange keeping-freshness storage according to claim 1, which is characterized in that the fungicide be Prochloraz and
1000-1200 times of liquid of the mixture of 2,4 dichlorophenoxyacetic acid.
10. the method for fertile mandarin orange keeping-freshness storage according to claim 9, which is characterized in that the Prochloraz and 2,4- dichloro
The volume ratio of phenoxy acetic acid is 1:0.5-1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910635205.XA CN110250263A (en) | 2019-07-15 | 2019-07-15 | A kind of method of fertile mandarin orange keeping-freshness storage |
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| CN113367185A (en) * | 2021-06-30 | 2021-09-10 | 西南大学 | Storage and preservation method for late-maturing citrus fruit combined with pretreatment before harvest |
| CN115491926A (en) * | 2022-08-17 | 2022-12-20 | 浙江大学宁波“五位一体”校区教育发展中心 | Grape preservative paper and preparation method and application thereof |
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| CN115491926B (en) * | 2022-08-17 | 2023-12-15 | 浙江大学宁波“五位一体”校区教育发展中心 | Grape preservative paper and preparation method and application thereof |
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Application publication date: 20190920 |