CN107279269A - A kind of method for storing and refreshing of pomegranate - Google Patents
A kind of method for storing and refreshing of pomegranate Download PDFInfo
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- CN107279269A CN107279269A CN201710361122.7A CN201710361122A CN107279269A CN 107279269 A CN107279269 A CN 107279269A CN 201710361122 A CN201710361122 A CN 201710361122A CN 107279269 A CN107279269 A CN 107279269A
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- pomegranate
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- 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
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- 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
- A23B7/148—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, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
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Abstract
The present invention relates to the technical field of preservation of fresh of pomegranate, a kind of method for storing and refreshing of pomegranate is disclosed, is comprised the following steps：（1）Selected pomegranate quality is improved using the picking method of science, reduce the spoilage of pomegranate fruit, work is ready for preservation and freshness, pomegranate after harvesting is after precooling treatment, the respiration reduction of epidermal cell, by the content control of tannin in stable scope, it is very big that fluctuation will not be elapsed over time, so as to prevent pericarp browning, in one layer of antistaling agent of topical application after precooling, on the one hand pathogen growth breeding can be suppressed, on the one hand can stablize soluble solid content in pomegranate seed, suppress breathing and rising；（2）The pomegranate after antistaling agent will be smeared and use ox-hide paper wrapper, prevent the evaporation of moisture, it is placed in wooden case and preserves, the local flavor that pomegranate can be kept initial, mixed gas is passed through into wooden case, the reduction that antistaling agent can be improved for pomegranate respiratory metabolism is acted on, and suppresses the formation of the harmful substances such as acetaldehyde, ethanol.
Description
Technical field
The invention belongs to the technical field of preservation of fresh of pomegranate, and in particular to a kind of method for storing and refreshing of pomegranate.
Background technology
Pomegranate is the strange fruit in nine continents, contains substantial amounts of amino acid, the life of dimension 0 element and various trace elements.Tang《History records》Record：Female
Emperor's Wu Tse-tien once descends imperial edict, and envelope pomegranate is " seediness beauty ", and hereafter pomegranate just turns into successive dynasties imperial palace tribute, inside has " the ancient philosophers's reunion "
Implied meaning.The red jewel of pomegranate fruit such as many, fruit sweet and sour taste succulence, and be of high nutritive value, rich in abundant
Fruit carbohydrate, easily good protein, absorption fat etc., can supplement body energy and heat, but be increased without body burden.Stone
Pomegranate contains abundant vitamin especially B and C, trace quantity mineral substance element, can supplement trace element and nutrition that human body is lacked
Composition.Also include organic acid, folic acid etc. rich in abundant various acids in pomegranate body has health-care efficacy to human body.Pomegranate is not only
Nutrient constituents of fruit enriches, and its leaf and its fruit core are all very valuable.Pomegranate is a kind of berry, and it is sought
Support abundant, vitamin C is higher by one to twice than apple, pears.China Western Regions area is originated in, Han dynasty has spread out of Central Plains.Pomegranate is ripe
Afterwards, whole body all be can use, and pericarp can be used as medicine, and edible fruit is used or pressure juice, and healthy for the elderly has very high nutriture value
Value, so old man should often eat pomegranate.Pomegranate is a kind of rare berry, alias：Pomegranate, pearl pomegranate, extra large pomegranate.Also known as
If if pomegranate, pellet, day slurry.Its fruit is lucuriant in design, and seed is sparkling and crystal-clear, luscious, and refrigerant tasty and refreshing is of high nutritive value.Research discovery,
Contain the mineral matters such as substantial amounts of organic acid, carbohydrate, protein, fat, vitamin and calcium, phosphorus, potassium in pomegranate.The traditional Chinese medical science thinks,
Pomegranate has effects that heat-clearing, removing toxic substances, soothing the liver, enriches blood, invigorates blood circulation and antidiarrheal.
During production and sales, pomegranate exist again easily it is putrid and deteriorated, storage period is short, and taste bad etc. is asked after storage
Topic, reduces commodity value, and existing method for storing and refreshing has low-temperature treatment, ozone processing, alkaline film, high concentration titanium dioxide
Carbon processing etc., although these methods can prevent the putrid and deteriorated of pomegranate to a certain extent, for pericarp and seed
Infringement it is larger, soluble solid content, total sugar content and total acid content in the tannin content and seed of cortex can be influenceed,
Local flavor is influenceed indirectly.
The content of the invention
The purpose of the present invention is there is provided a kind of method for storing and refreshing of pomegranate the problem of being directed to existing, to keeping pericarp
Color and luster, prevents fruit rot, keeps grain quality to have excellent effect.
The present invention is achieved by the following technical solutions：
A kind of method for storing and refreshing of pomegranate, comprises the following steps：
（1）In sunny morning, plucked after the dew on granatum is dry, fruit is subjected to category filter, removed ill
Insect pest and the fruit of mechanical damage, the pomegranate for screening qualified are placed at 0-5 DEG C precooling 24-30 hours, in pomegranate after precooling
One layer of antistaling agent is smeared on epidermis, the antistaling agent is made up according to mass percent of following component：Chitosan accounts for 0.5-0.6%, sea
Mosanom, which accounts for 0.8-1.0%, sodium carboxymethylcellulose and accounts for 1.1-1.2%, gelatin and account for 1.3-1.5%, citric acid, accounts for 1.5-2.5%, matter
Amount fraction accounts for 2.5-3.0%, remaining as water for 90-95% ethanol；
（2）Packed after the pomegranate for smearing antistaling agent is dried using kraft paper bag, 5-8 diameter is left on sack for 5-8
The small sircle hole of millimeter, packaged pomegranate is put in wooden case, is layered using paper washer, porosity reaches 20-30%, Xiang Mu
Mixed gas is filled with case, close the lid sealing, it is 4-6 DEG C to be placed in temperature, relative humidity is preservation in 80-90% refrigerating chamber,
Every ventilation in 20-30 days once；
It is used as further improvement of these options, step（1）The picking process of middle pomegranate is：Opened from the bottom and outside of tree crown
Begin, then pluck tree crown top and interior thorax, be close to fruit stalk portion using shrub and hedge trimmer and cut, stay carpopodium length at 0.3-0.5 lis
Rice, will handle with care during harvesting, adopt rear In Shade.
It is used as further improvement of these options, step（1）Described in antistaling agent preparation method be：Heat water to
40-50 DEG C, chitosan, sodium alginate, sodium carboxymethylcellulose dissolving are added, while using ethanol by gelatin stirring and dissolving, will
The two adds citric acid after mixing, regulation PH is 3.5-5.5.
It is used as further improvement of these options, step（2）Described in mixed gas in each gas volume fraction be：
Neon, which accounts for 0.5-0.8%, oxygen and accounts for 6-10%, carbon dioxide, accounts for 4-6%, remaining as nitrogen content.
The present invention has advantages below compared with prior art：To solve in the existing anti-corrupt Modification Manners of pomegranate for pomegranate
The infringement of pericarp and seed is larger, and soluble solid content, total reducing sugar in the tannin content and seed of cortex can be influenceed to contain
Amount and total acid content, indirectly the problem of influence local flavor, the invention provides a kind of method for storing and refreshing of pomegranate, including following step
Suddenly：（1）Selected pomegranate quality is improved using the picking method of science, the spoilage of pomegranate fruit is reduced, is that preservation and freshness is carried out
Preparation, the pomegranate after harvesting is after precooling treatment, and the respiration reduction of epidermal cell exists the content control of tannin
Stable scope, it is very big to elapse fluctuation over time, so that pericarp browning is prevented, it is fresh-keeping in one layer of topical application after precooling
Agent, on the one hand can suppress pathogen growth breeding, on the one hand can stablize soluble solid content in pomegranate seed, suppress breathing
And transpiration；（2）The pomegranate after antistaling agent will be smeared and use ox-hide paper wrapper, the evaporation of moisture is prevented, be placed in wooden case and preserve, energy
The initial local flavor of pomegranate is enough kept, mixed gas is passed through into wooden case, drop of the antistaling agent for pomegranate respiratory metabolism can be improved
Low effect, suppress acetaldehyde, the formation of the harmful substance such as ethanol, 50-60 days by extended shelf-life.
Embodiment
With reference to specific embodiment, the present invention will be further described.
Embodiment 1
A kind of method for storing and refreshing of pomegranate, comprises the following steps：
（1）In sunny morning, plucked after the dew on granatum is dry, fruit is subjected to category filter, removed ill
Insect pest and the fruit of mechanical damage, are placed in precooling 24 hours at 0 DEG C, after precooling on pomegranate epidermis by the pomegranate for screening qualified
One layer of antistaling agent is smeared, the antistaling agent is made up according to mass percent of following component：Chitosan accounts for 0.5%, sodium alginate and accounted for
0.8%th, sodium carboxymethylcellulose account for 1.1%, gelatin account for 1.3%, citric acid account for the ethanol that 1.5%, mass fraction is 90% account for 2.5%,
Remaining as water；
（2）Packed after the pomegranate for smearing antistaling agent is dried using kraft paper bag, 5 diameters are left on sack for 5 millimeters
Small sircle hole, packaged pomegranate is put in wooden case, is layered using paper washer, porosity reaches 20%, is filled with into wooden case
Mixed gas, closed the lid sealing, and it is 4 DEG C to be placed in temperature, and relative humidity was taken a breath to be preserved in 80% refrigerating chamber every 20 days
Once；
It is used as further improvement of these options, step（1）The picking process of middle pomegranate is：Opened from the bottom and outside of tree crown
Begin, then pluck tree crown top and interior thorax, be close to fruit stalk portion using shrub and hedge trimmer and cut, stay carpopodium length at 0.3 centimetre, adopt
Time receiving will handle with care, adopt rear In Shade.
It is used as further improvement of these options, step（1）Described in antistaling agent preparation method be：Heat water to
40 DEG C, chitosan, sodium alginate, sodium carboxymethylcellulose dissolving are added, while using ethanol by gelatin stirring and dissolving, incite somebody to action the two
Citric acid is added after mixing, regulation PH is 3.5.
It is used as further improvement of these options, step（2）Described in mixed gas in each gas volume fraction be：
Neon, which accounts for 0.5%, oxygen and accounts for 6%, carbon dioxide, accounts for 4%, remaining as nitrogen content.
Embodiment 2
A kind of method for storing and refreshing of pomegranate, comprises the following steps：
（1）In sunny morning, plucked after the dew on granatum is dry, fruit is subjected to category filter, removed ill
Insect pest and the fruit of mechanical damage, are placed in precooling 27 hours at 2 DEG C, after precooling on pomegranate epidermis by the pomegranate for screening qualified
One layer of antistaling agent is smeared, the antistaling agent is made up according to mass percent of following component：Chitosan accounts for 0.55%, sodium alginate and accounted for
0.9%th, sodium carboxymethylcellulose account for 1.15%, gelatin account for 1.4%, citric acid account for the ethanol that 2.0%, mass fraction is 93% account for 2.8%,
Remaining as water；
（2）Packed after the pomegranate for smearing antistaling agent is dried using kraft paper bag, 6 diameters are left on sack for 6 millimeters
Small sircle hole, packaged pomegranate is put in wooden case, is layered using paper washer, porosity reaches 25%, is filled with into wooden case
Mixed gas, closed the lid sealing, and it is 5 DEG C to be placed in temperature, and relative humidity was taken a breath to be preserved in 85% refrigerating chamber every 25 days
Once；
It is used as further improvement of these options, step（1）The picking process of middle pomegranate is：Opened from the bottom and outside of tree crown
Begin, then pluck tree crown top and interior thorax, be close to fruit stalk portion using shrub and hedge trimmer and cut, stay carpopodium length at 0.4 centimetre, adopt
Time receiving will handle with care, adopt rear In Shade.
It is used as further improvement of these options, step（1）Described in antistaling agent preparation method be：Heat water to
45 DEG C, chitosan, sodium alginate, sodium carboxymethylcellulose dissolving are added, while using ethanol by gelatin stirring and dissolving, incite somebody to action the two
Citric acid is added after mixing, regulation PH is 4.5.
It is used as further improvement of these options, step（2）Described in mixed gas in each gas volume fraction be：
Neon, which accounts for 0.6%, oxygen and accounts for 8%, carbon dioxide, accounts for 5%, remaining as nitrogen content.
Embodiment 3
A kind of method for storing and refreshing of pomegranate, comprises the following steps：
（1）In sunny morning, plucked after the dew on granatum is dry, fruit is subjected to category filter, removed ill
Insect pest and the fruit of mechanical damage, are placed in precooling 30 hours at 5 DEG C, after precooling on pomegranate epidermis by the pomegranate for screening qualified
One layer of antistaling agent is smeared, the antistaling agent is made up according to mass percent of following component：Chitosan accounts for 0.6%, sodium alginate and accounted for
1.0%th, sodium carboxymethylcellulose account for 1.2%, gelatin account for 1.5%, citric acid account for the ethanol that 2.5%, mass fraction is 95% account for 3.0%,
Remaining as water；
（2）Packed after the pomegranate for smearing antistaling agent is dried using kraft paper bag, 8 diameters are left on sack for 8 millimeters
Small sircle hole, packaged pomegranate is put in wooden case, is layered using paper washer, porosity reaches 30%, is filled with into wooden case
Mixed gas, closed the lid sealing, and it is 6 DEG C to be placed in temperature, and relative humidity was taken a breath to be preserved in 90% refrigerating chamber every 30 days
Once；
It is used as further improvement of these options, step（1）The picking process of middle pomegranate is：Opened from the bottom and outside of tree crown
Begin, then pluck tree crown top and interior thorax, be close to fruit stalk portion using shrub and hedge trimmer and cut, stay carpopodium length at 0.5 centimetre, adopt
Time receiving will handle with care, adopt rear In Shade.
It is used as further improvement of these options, step（1）Described in antistaling agent preparation method be：Heat water to
50 DEG C, chitosan, sodium alginate, sodium carboxymethylcellulose dissolving are added, while using ethanol by gelatin stirring and dissolving, incite somebody to action the two
Citric acid is added after mixing, regulation PH is 5.5.
It is used as further improvement of these options, step（2）Described in mixed gas in each gas volume fraction be：
Neon, which accounts for 0.8%, oxygen and accounts for 10%, carbon dioxide, accounts for 6%, remaining as nitrogen content.
Comparative example 1
Compared with Example 1, differ only in, step（1）In without precooling treatment, directly smear antistaling agent, remaining step
It is consistent.
Comparative example 2
Compared with Example 2, differ only in, the antistaling agent composition used is：Chitosan account for 1%, sodium alginate account for 1.0%, it is bright
Glue accounts for 3%, remaining as water, and remaining step is consistent.
Comparative example 3
Compared with Example 3, differ only in, step（2）In in the mixed gas that is filled with each gas volume fraction be：Oxygen is accounted for
4%th, carbon dioxide accounts for 10%, remaining as nitrogen content, and remaining step is consistent.
Control group
The pomegranate of same breed is preserved using existing cold-storage and fresh-keeping method.
Contrast test
Preservation and freshness is carried out to pomegranate using the method for embodiment 1-3 and comparative example 1-3 and control group respectively, by obtained stone
Pomegranate quality carries out quality determination inspection, and obtained result is as shown in the table：
Soluble solid reduction amount, total reducing sugar reduction amount, total acid reduction amount described in form refer to pomegranate before storage and
The variable quantity of content of material percentage before and after after storage.
It can be seen that by data in table：The present invention method for pericarp and seed infringement very little, in cortex
The effect that the change of soluble solid content, total sugar content and total acid content is maintained in tannin content and seed is best, no
The local flavor of pomegranate can be influenceed.
Claims (4)
1. a kind of method for storing and refreshing of pomegranate, it is characterised in that comprise the following steps：
（1）In sunny morning, plucked after the dew on granatum is dry, fruit is subjected to category filter, removed ill
Insect pest and the fruit of mechanical damage, the pomegranate for screening qualified are placed at 0-5 DEG C precooling 24-30 hours, in pomegranate after precooling
One layer of antistaling agent is smeared on epidermis, the antistaling agent is made up according to mass percent of following component：Chitosan accounts for 0.5-0.6%, sea
Mosanom, which accounts for 0.8-1.0%, sodium carboxymethylcellulose and accounts for 1.1-1.2%, gelatin and account for 1.3-1.5%, citric acid, accounts for 1.5-2.5%, matter
Amount fraction accounts for 2.5-3.0%, remaining as water for 90-95% ethanol；
（2）Packed after the pomegranate for smearing antistaling agent is dried using kraft paper bag, 5-8 diameter is left on sack for 5-8
The small sircle hole of millimeter, packaged pomegranate is put in wooden case, is layered using paper washer, porosity reaches 20-30%, Xiang Mu
Mixed gas is filled with case, close the lid sealing, it is 4-6 DEG C to be placed in temperature, relative humidity is preservation in 80-90% refrigerating chamber,
Every ventilation in 20-30 days once.
2. a kind of method for storing and refreshing of pomegranate as claimed in claim 1, it is characterised in that step（1）The harvesting of middle pomegranate
Cheng Wei：Since the bottom and outside of tree crown, tree crown top and interior thorax are then plucked, is close to fruit stalk portion using shrub and hedge trimmer and cuts
Under, stay carpopodium length to be handled with care at 0.3-0.5 centimetres, harvesting, adopt rear In Shade.
3. a kind of method for storing and refreshing of pomegranate as claimed in claim 1, it is characterised in that step（1）Described in antistaling agent
Preparation method is：40-50 DEG C is heated water to, chitosan, sodium alginate, sodium carboxymethylcellulose dissolving is added, uses simultaneously
Gelatin stirring and dissolving is added citric acid by ethanol after the two is mixed, regulation PH is 3.5-5.5.
4. a kind of method for storing and refreshing of pomegranate as claimed in claim 1, it is characterised in that step（2）Described in gaseous mixture
Each gas volume fraction is in body：Neon, which accounts for 0.5-0.8%, oxygen and accounts for 6-10%, carbon dioxide, to be accounted for 4-6%, contains remaining as nitrogen
Amount.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107897337A (en) * | 2017-11-14 | 2018-04-13 | 蚌埠市涂山村富民石榴专业合作社 | A kind of method for storing and refreshing of pomegranate |
| CN108315338A (en) * | 2018-04-18 | 2018-07-24 | 山东省果树研究所 | A kind of pomegranate phenylalanine lyase PAL and its expressing gene and application |
| CN110074178A (en) * | 2019-05-21 | 2019-08-02 | 华南理工大学 | A kind of controlled atmosphere method for preserving of instant pomegranate seed |
| CN111758772A (en) * | 2020-07-17 | 2020-10-13 | 南阳师范学院 | Pomegranate fresh-keeping method |
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| CN102860567A (en) * | 2012-10-18 | 2013-01-09 | 上海海洋大学 | Chitosan fresh-keeping spray and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107897337A (en) * | 2017-11-14 | 2018-04-13 | 蚌埠市涂山村富民石榴专业合作社 | A kind of method for storing and refreshing of pomegranate |
| CN108315338A (en) * | 2018-04-18 | 2018-07-24 | 山东省果树研究所 | A kind of pomegranate phenylalanine lyase PAL and its expressing gene and application |
| CN110074178A (en) * | 2019-05-21 | 2019-08-02 | 华南理工大学 | A kind of controlled atmosphere method for preserving of instant pomegranate seed |
| CN110074178B (en) * | 2019-05-21 | 2022-11-29 | 华南理工大学 | Modified atmosphere preservation method of instant pomegranate seeds |
| CN111758772A (en) * | 2020-07-17 | 2020-10-13 | 南阳师范学院 | Pomegranate fresh-keeping method |
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