CN102302053A - Method for preserving muskmelon fresh fruit - Google Patents
Method for preserving muskmelon fresh fruit Download PDFInfo
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- CN102302053A CN102302053A CN 201110285170 CN201110285170A CN102302053A CN 102302053 A CN102302053 A CN 102302053A CN 201110285170 CN201110285170 CN 201110285170 CN 201110285170 A CN201110285170 A CN 201110285170A CN 102302053 A CN102302053 A CN 102302053A
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Abstract
The invention discloses a method for preserving muskmelon fresh fruit, and the method comprises the following steps: sterilizing a refrigeration house; preparing an antistaling agent; precooling the muskmelon; processing the muskmelon by utilizing 1-methyl-cyclo-propene powder in the dosage of 80-120mg/m<3>; placing the muskmelon into an air conditioning refrigeration house; adding 4-6g of Na2S205 into 1 kilogram of muskmelon; simultaneously filling a mixed gas of CO2 the volume fraction of which is 5-9%, O2 the volume fraction of which is 5-8% and N2 the volume fraction of which is 85-88%; preserving the muskmelon under the condition that the temperature is 1.5-2.5 DEG C and the relative humidity is 75%-80%; changing gas one time every 10 days; and finally packaging and taking out of the refrigeration house. The result of adopting the method provided by the invention to preserve the muskmelon shows that the rotten index of the muskmelon is 0.25 and the intact fruit ratio can reach over 90% when the muskmelon is preserved for 90 days. The method provided by the invention has the advantages that the operation is simple, no environmental pollution is caused, the preserving period is long, the preserving effect is good, significant economic benefit is generated and the method is suitable for being widely popularized and used.
Description
Technical field
The invention belongs to the general preservation technical field of food or foodstuff, be specifically related under cryogenic conditions, attach all in antistaling agent and configuration gas storage thick-skinned melon fresh fruit.
Background technology
Thick-skinned melon (Cucumis melo L.) belongs to a muskmelon kind of Curcurbitaceae (Cutrbitaceae) Cucumis (Cucumis), is tendril annual herb plant, and plantation is all arranged all over the world, and maximum with the Chinese cultivated area, output is the highest.Thick-skinned melon is rich in sugar, starch, protein, mineral matter and vitamin, and pulp is fragrant and sweet, unique flavor, and quality is splendid, belongs to high-grade melon and fruit kind.Yet,, bring enormous economic loss often for the producer and operator because thick-skinned melon is concentrated, very easily rotten term.Therefore, inquire into the thick-skinned melon post-harvest physiology and change, study its storage technique, significant to the economic worth that improves thick-skinned melon.
Aspect post-harvest physiology; Forefathers' research shows that most of melon varieties belong to climacteric type fruit, 1-methyl cyclopropene (1-methylcyclopropene; 1-MCP) be a kind of novel ethylene receptor inhibitor of discovered in recent years; It can irreversibly act on ethylene receptor, and the blocking-up acceptor combines a series of biochemical reactions relevant with the fruit after-ripening that ethene suppressing is induced with the normal of ethene.Discovery 1-MCP such as Su Xiaojun handle the banana of cryopreservation, and the hardness of fruit is far longer than contrast, and total reducing sugar and content of starch also remain unchanged basically.MuharremErgun etc. discover that through the fresh-cut Galia muskmelon that 1-MCP handles, storage period obviously prolongs, and quality also is better than contrast.Sun Aiping etc. discover, 1-MCP can promote that (peroxidase POD), the activity of superoxide dismutase (SOD), suppresses O for muskmelon catalase (CAT), peroxidase
2-Formation, reduce the generation of film fat peroxidating product MDA, the diaphragm system integrity, delayed fruit is old and feeble.Horse report such as reach the clouds is handled thick-skinned melon with Fluoxastrobin, can make POD and CAT activity be in stable ascendant trend.
Aspect preservation technique, as far back as 1979, Joseph K.S. just studied the influence of air conditioned storage to the muskmelon storage quality.People such as Zhang Hui adopt 50 ℃ to handle thick-skinned melon 3 minutes, and concentration is that the AmistaiDip of 150mg/kg can obviously delay its aging.People such as Yang Weidong find, can suppress thick-skinned melon with ozone treatment and breathe and the ethene generation, have prolonged thick-skinned melon storage period.At present, most of operators still adopt the crypt storage, hang conventional method storage muskmelons such as Tibetan, frame Tibetan, can only preserve 40～50 days though method is simple, and inferior quality; Other conditions operator preferably adopt methods such as machinery refrigeration, air conditioned storage to prolong the storage period of thick-skinned melon, and the storage fate can reach 60～70 days, but storage back fruit quality is undesirable.
Summary of the invention
Technical problem to be solved by this invention is to overcome the shortcoming of above-mentioned thick-skinned melon method for preserving, and the method for preserving of the thick-skinned melon fresh fruit of a kind of simple to operate, long fresh-keeping period, good refreshing effect, non-environmental-pollution is provided.
Solving the problems of the technologies described above the technical scheme that is adopted is that it is made up of following step:
1, freezer sterilization
The mass ratio that uses copper sulphate, lime, water is that 1: 1: 50 mixture is brushed freezer metope and ground; The mass ratio that uses formaldehyde and potassium permanganate is that 5: 1 thimerosal is with 5g/m
3Consumption fumigation freezer 24～48 hours.
2, make antistaling agent
With absorbent cotton parcel 1-methyl cyclopropene pulvis, every bag 10mg places in the beaker; Use paper bag packing Na
2S
2O
5, every bag of 5g.
3, precooling
Ninety percent ripe thick-skinned melon fresh fruit is packed in the plastics fruit basket, and 2.5～3.5 ℃ of precoolings are 48 hours in freezer.
4, preservation
Thick-skinned melon after the precooling is put into airtight container together with the fruit basket, by 80～120mg/m
3Consumption in airtight container, put into 1-methyl cyclopropene pulvis; In the beaker of placing 1-methyl cyclopropene pulvis, add entry; Every bag 1-methyl cyclopropene pulvis adds 1mL water, and the 1-methyl cyclopropene is discharged fully, and the gas compartment concentration of generation is 0.8～1.2 μ L/m
3, closed container was placed 24 hours, and the fruit basket that thick-skinned melon is housed is taken out from closed container, in controlled atmosphere cold, put, and really basket pushes up 60cm apart from side wall 10～15cm apart from the storehouse, and fruit basket and fruit basket spacing be 1cm at least, puts into 4～6g Na by the per kilogram thick-skinned melon
2S
2O
5, charge into CO
2With O
2, N
2Gaseous mixture, be charged to and the natural atmosphere equilibrium CO in the mist
2Volume fraction be 5%～9%, O
2Volume fraction be 5%～8%, N
2Volume fraction be 85%～88%, be preservation under 75%～80% condition at 1.5～2.5 ℃, relative humidity, ventilation in per 10 days 1 time, sample investigation simultaneously, finding has decayed fruit in time to remove.
5, outbound
Thick-skinned melon was placed 10～12 hours packing when the temperature of thick-skinned melon is 3～4 ℃ with extraneous temperature difference, outbound between buffering.
In the preservation steps 4 of the present invention, optimum condition is: the thick-skinned melon after the precooling is put into airtight container together with the fruit basket, press 100mg/m
3Consumption in airtight container, put into the 1-methyl cyclopropene, in the beaker of placing the 1-methyl cyclopropene, add entry, every bag 1-methyl cyclopropene pulvis adds 1mL water, and the 1-methyl cyclopropene is discharged fully, the gas compartment concentration of generation is 1.0 μ L/m
3, closed container was placed 24 hours, and the fruit basket that thick-skinned melon is housed is taken out from closed container, in controlled atmosphere cold, put, and really basket pushes up 60cm apart from side wall 10～15cm apart from the storehouse, and fruit basket and fruit basket spacing be 1cm at least, puts into 6g Na by the per kilogram thick-skinned melon
2S
2O
5, charge into CO
2With O
2, N
2Gaseous mixture, be charged to and the natural atmosphere equilibrium CO in the gaseous mixture
2Volume fraction be 7%, O
2Volume fraction be 5%, N
2Volume fraction be 88%, be preservation under 75%～80% condition at 1.5～2.5 ℃, relative humidity, ventilation in per 10 days 1 time, sample investigation simultaneously, finding has decayed fruit in time to remove.
Adopt the present invention that the thick-skinned melon fresh fruit is carried out preservation, the result shows, preservation 90 days, and the rotten index of thick-skinned melon is 0.25, good fruit rate can reach 90%.Simple to operate, the non-environmental-pollution of the present invention, and the long fresh-keeping period of thick-skinned melon, good refreshing effect have produced remarkable economic efficiency, can extensively promote the use of.
Description of drawings
Fig. 1 is the influences of different method for preserving to thick-skinned melon hardness.
Fig. 2 is the influences of different method for preserving to the thick-skinned melon soluble solid content.
Fig. 3 is the influences of different method for preserving to thick-skinned melon fruit titratable acid content.
Fig. 4 is that different method for preserving are to the active influence of thick-skinned melon fruit PAL.
Fig. 5 is that different method for preserving are to the active influence of thick-skinned melon POD.
Fig. 6 is that different method for preserving are to the active influence of thick-skinned melon CAT.
Fig. 7 is that different method for preserving are to the active influence of thick-skinned melon SOD.
Fig. 8 is the influences of different method for preserving to the rotten index of thick-skinned melon.
The specific embodiment
To further explain of the present invention, but the invention is not restricted to these embodiment below in conjunction with accompanying drawing and embodiment.
1, freezer sterilization
The mass ratio that uses copper sulphate, lime, water is that 1: 1: 50 mixture is brushed freezer metope and ground; The mass ratio that uses formaldehyde and potassium permanganate is that 5: 1 thimerosal is with 5g/m
3Consumption fumigation freezer 24 hours.
2, make antistaling agent
With absorbent cotton parcel 1-methyl cyclopropene pulvis, every bag 10mg places in the beaker by each beaker 10 bag; Use paper bag packing Na
2S
2O
5, every bag of 5g.
3, precooling
With 45 single melon weight is that the ninety percent ripe thick-skinned melon fresh fruit average mark of 0.8kg～1.0kg is packed in 3 plastics fruit baskets, and 2.5～3.5 ℃ of precoolings are 48 hours in freezer.
4, preservation
Thick-skinned melon after the precooling is put into 3 1m together with the fruit basket
3Airtight container in, in airtight container, put into the beaker that fills 100mg 1-methyl cyclopropene pulvis, in beaker, add 10mL water, the 1-methyl cyclopropene is discharged fully, the gas compartment concentration of generation is 1.0 μ L/m
3, closed container was placed 24 hours, and the fruit basket that thick-skinned melon is housed is taken out from closed container, was placed in the controlled atmosphere cold, and the fruit basket pushes up 60cm apart from side wall 10cm apart from the storehouse, and fruit basket and fruit basket spacing 2cm are put into 6g Na by the per kilogram thick-skinned melon
2S
2O
5, charge into CO
2With O
2, N
2Gaseous mixture, be charged to and the natural atmosphere equilibrium CO in the mist
2Volume fraction be 7%, O
2Volume fraction be 5%, N
2Volume fraction be 88%, be preservation under 75%～80% condition at 1.5～2.5 ℃, relative humidity, ventilation in per 10 days 1 time, sample investigation simultaneously, finding has decayed fruit in time to remove, preservation is 90 days altogether.
5, outbound
90 days thick-skinned melon of preservation was placed 10～12 hours packing when the temperature of thick-skinned melon is 3～4 ℃ with extraneous temperature difference, outbound between buffering.
In the preservation steps 4 of embodiment 1, the thick-skinned melon after the precooling is put into 3 1m together with the fruit basket
3Airtight container in, in airtight container, put into the beaker that fills 80mg 1-methyl cyclopropene pulvis, in beaker, add 8mL water, the 1-methyl cyclopropene is discharged fully, the gas compartment concentration of generation is 0.8 μ L/m
3, closed container was placed 24 hours, and the fruit basket that thick-skinned melon is housed is taken out from closed container, was placed in the controlled atmosphere cold, and the fruit basket pushes up 60cm apart from side wall 10cm apart from the storehouse, and fruit basket and fruit basket spacing 2cm are put into 5g Na by the per kilogram thick-skinned melon
2S
2O
5, other steps of this step are identical with embodiment 1.Other steps are identical with embodiment 1.
In the preservation steps 4 of embodiment 1, the thick-skinned melon after the precooling is put into 3 1m together with the fruit basket
3Airtight container in, in airtight container, put into the beaker that fills 120mg 1-methyl cyclopropene pulvis, in beaker, add 12mL water, the 1-methyl cyclopropene is discharged fully, the gas compartment concentration of generation is 1.2 μ L/m
3, closed container was placed 24 hours, and the fruit basket that thick-skinned melon is housed is taken out from closed container, was placed in the controlled atmosphere cold, and the fruit basket pushes up 60cm apart from side wall 10cm apart from the storehouse, and fruit basket and fruit basket spacing 2cm are put into 4g Na by the per kilogram thick-skinned melon
2S
2O
5, other steps of this step are identical with embodiment 1.Other steps are identical with embodiment 1.
In the preservation steps 4 of embodiment 1～3, the CO that charges into
2With O
2, N
2Gaseous mixture in CO
2Volume fraction be 5%, O
2Volume fraction be 8%, N
2Volume fraction be 87%, other steps of this step are identical with corresponding embodiment.Other steps are identical with embodiment 1.
In the preservation steps 4 of embodiment 1～3, the CO that charges into
2With O
2, N
2Gaseous mixture in CO
2Volume fraction be 9%, O
2Volume fraction be 6%, N
2Volume fraction be 85%, other steps of this step are identical with corresponding embodiment.Other steps are identical with embodiment 1.
In order to confirm optimised process step of the present invention, the inventor has carried out a large amount of laboratory research tests, and various test situation are following:
Test material: supply the examination thick-skinned melon to pick up from the soldierly bearing muskmelon crop cultivation speciality of Xian City, Shanxi Province Yanliang District cooperative society; Single fruit weight 0.8kg～1.0kg, fruit ninety percent is ripe, and the band stalk is plucked; Not having machinery hinders; No disease and pest is plucked and to be transported to Shaanxi Normal University's food preservation experiment freezer the same day, 2.5～3.5 ℃ of precoolings 48 hours; 1-methyl cyclopropene pulvis (1-MCP), thiabendazole sootiness pulvis (TBZ) provide by the bright promise bio tech ltd in Xi'an; It is pure that other reagent are analysis.
1, thick-skinned melon preservation and freshness single factor experiment
Test method: setting the preservation temperature is 1.5～2.5 ℃, relative humidity 75%～85%.Experimental design is: TBZ is stifling, controlled atmosphere preservation, TBZ are stifling combines that controlled atmosphere preservation, 1-MCP handle, 1-MCP combines Na
2S
2O
5Handle, do not handle and compare (CK), every kind of method is handled 15 of thick-skinned melons respectively, and handling the back is preservation under 1.5～2.5 ℃, relative humidity 75%～85% condition in temperature, and every kind of method repeats to do 3 groups of tests, and specifically processing method is following:
It is stifling to handle 1TBZ: use the TBZ pulvis to press consumption and be 5g/m
3Stifling 3 hours, single melon cover foam net was put into the foam carton that is lined with the PE bag, tightens sack.
Handle the preservation of the stifling combination of 3TBZ controlled atmosphere: put into air regulating box after by the method for handling 1 thick-skinned melon being fumigated with TBZ, then according to the method controlled atmosphere preservation of handling 2.
Handling 41-MCP handles: take by weighing 10mg 1-MCP pulvis and wrap in the absorbent cotton and place in the beaker, beaker is placed the PE bag middle part that thick-skinned melon is housed, the PE bag is long-pending to be 0.1m
3, sealing the PE bag immediately after in beaker, adding 1.0mL distilled water, 1-MCP gas is discharged into rapidly in the whole airtight PE bag, and the valid density that 1-MCP handles is 1.0 μ L/L, 1.5～2.5 ℃ of closed processes 24 hours.
Handle 51-MCP and combine Na
2S
2O
5Handle: after by the method for handling 4 thick-skinned melon being handled with 1-MCP, take by weighing Na
2S
2O
5Pulvis is with Na
2S
2O
5Place back storage in the PE bag that muskmelon is housed, Na
2S
2O
5Consumption be the 5g/kg thick-skinned melon.
Handle 6 contrasts: be left intact, single melon directly overlaps net, places 1.5～2.5 ℃ of storages of freezer.
Thick-skinned melon after the processing adopts the GY-B type hardness tester meter method mensuration hardness of fruit, hand refractometer method mensuration soluble solid content, determination of acid-basetitration titratable acid content respectively, guaiacol colorimetric method for determining POD is active, titration of potassium permanganate CAT is active, trans-cinnamic acid colorimetric method for determining PAL (PAL) is active, nitroblue tetrazolium method mensuration SOD activity; Result of the test is for measuring the mean+/-standard error (vertical line among the figure is represented) of 3 secondary data; The data DPS treatment system is carried out variance analysis; Multiple ratio adopts the Duncan multiple range test; The level of signifiance is got P＜0.05 (significant difference) or 0.01 (difference is extremely remarkable), and all numerical value are all from counting the day of processing.
Thick-skinned melon after the processing is divided into 7 ranks by the big young pathbreaker's fruit of fruit rot area: 1 grade, the fruit face does not have rotten; 2 grades, the spot area that rots is less than 2.5%; 3 grades, the spot area that rots is between 2.6%～5.0%; 4 grades, the spot area that rots is between 5.1%～7.5%; 5 grades, the spot area that rots is between 7.6%～10.0%; 6 grades, the spot area that rots is between 10.1%～12.5%; 7 grades, the spot area that rots is greater than fruit area 12.5%.Calculate the rotten index of thick-skinned melon by formula (1), and calculate the commodity fruit rate of thick-skinned melon according to formula (2),
Result of the test is seen Fig. 1～8 and table 1.
Visible by Fig. 1, controlled atmosphere preservation, 1-MCP handle the decomposition that all helps slowing down pectin, postpone the ripe senescence process and the maintenance hardness of fruit of fruit; The thick-skinned melon hardness of fruit is on a declining curve between preservation term; When preservation finished, the thick-skinned melon hardness of processing 3 was best, by initial 14.4kg/cm
2Dropped to 10.0kg/cm
2, and handle 5 differences not significantly (P＞0.05), but handle differences obviously (P＜0.05) with other, stifling controlled atmosphere preservation and the 1-MCP combination Na of combining of TBZ be described
2S
2O
5Handle all softening processes of the remarkable delayed fruit of ability.
Visible by Fig. 2, along with the passing of preservation time, soluble solid content is all on a declining curve in the thick-skinned melon after 6 kinds of disposal methods, and this is due to the respiration between preservation term.In preserving process, soluble solid content is in peak always in the processing 5, and handles significant difference (P＜0.05) with other, and soluble solid content is only second to processing 5 in the processing 3, explains that 1-MCP combines Na
2S
2O
5Processing and TBZ are stifling to combine the controlled atmosphere preservation all can make the soluble solid of thick-skinned melon be able to better preserve.
Visible by Fig. 3,1-MCP combines Na
2S
2O
5Processing is the decline of delayed fruit titratable acid content obviously, and when preservation finished, the titratable acid content of handling thick-skinned melon in 5 was 0.13%, and apparently higher than other processing (P＜0.05), this has great importance for the sour-sweet local flavor that keeps thick-skinned melon.
Visible by Fig. 4, preservation early stage, the PAL activity of thick-skinned melon is slow downward trend, and active beginning is slowly risen after 20 days; The preservation later stage reaches maximum, and this is that its system of defense particularly phenylpropyl alcohol alkanes metabolism was activated after thick-skinned melon met with adverse circumstance; Thereby play a protective role, during preservation to 80 day, it is minimum to handle 5 PAL activity; Significantly be lower than other processing (P＜0.05), the PAL activity of processing 3 is only second to handles 5, explains that 1-MCP combines Na
2S
2O
5The aging that handle, the preservation of the stifling combination of TBZ controlled atmosphere all can obviously suppress thick-skinned melon.
Visible by Fig. 5, the POD activity is in rising trend with the prolongation of preservation time in the thick-skinned melon, when preservation finishes; Handle 5 the active minimum of POD, secondly, handle difference not remarkable (P＞0.05) for these two for handling 3; But handle significant difference (P＜0.05) with other, show that further 1-MCP combines Na
2S
2O
5Processing, the preservation of the stifling combination of TBZ controlled atmosphere have function in delaying senility.
Visible by Fig. 6, between preservation term, the CAT activity of thick-skinned melon totally is the fluctuation variation tendency, and preservation is in the time of 80 days, and the CAT activity of processing 5 is the highest, is significantly higher than other processing (P＜0.05), explains that 1-MCP combines Na
2S
2O
5Processing helps keeping the CAT of thick-skinned melon active.
Visible by Fig. 7, during 0～60 day, the SOD activity of thick-skinned melon is in rising trend in preservation, and the peak appears in preservation in the time of 60 days, and the SOD activity is on a declining curve again afterwards.Preservation 80 days, the SOD activity of processing 5 is the highest, is significantly higher than other processing (P＜0.05), explains that 1-MCP combines Na
2S
2O
5Processing has the thick-skinned melon of keeping SOD activity, function in delaying senility.
Visible by Fig. 8, between preservation term, the rotten index of processing 5 significantly is lower than other processing (P＜0.05), preservation 80 days, and the rotten index of processing 5 is merely 0.37, explains that 1-MCP combines Na
2S
2O
5Processing has good fresh-keeping effect to thick-skinned melon.
The different storage methods of table 1 are to the influence of thick-skinned melon storage phase commodity fruit rate
Different lowercases are represented commodity fruit rate significant difference (P＜0.05) between different disposal in the table.
Visible by table 1, during preservation to 80 day, (1-MCP combines Na to handle 5
2S
2O
5) commodity fruits rate the highest, be 80%, and handle significant difference (P＜0.05) with other.
Comprehensive above-mentioned result of the test, 1-MCP combines Na
2S
2O
5Handle the obviously decline of delayed fruit hardness, suppress the soluble solid content fast rise, reduce fruit rot effectively, suppress the activity of PAL and POD simultaneously, make CAT and SOD activity be in higher level.Therefore, the present invention selects 1-MCP to combine Na
2S
2O
5Handle thick-skinned melon.
2, thick-skinned melon preservation and freshness orthogonal test
On the single factor experiment basis of test 1, the inventor is to volume proportion, 1-MCP pulvis consumption, the Na of gaseous mixture
2S
2O
5Consumption has carried out three factors, three horizontal quadratures test (L
93
4), 90 days result of the tests of experimental design and preservation are seen table 2.
Table 2 thick-skinned melon orthogonal experiments table
Different lowercases are represented commodity fruit rate significant difference (P＜0.05) between different disposal in the table.
Visible by table 2, the preservation effect of 9 groups of tests is all better, wherein adopts the 1-MCP pulvis by 100mg/m
3Consumption thick-skinned melon was handled 24 hours, put into 6g Na according to the per kilogram thick-skinned melon then
2S
2O
5The volume proportion of pulvis, gaseous mixture is 7%CO
2, 5%O
2, 88%N
2, be preservation under 75%～80% condition at 1.5～2.5 ℃, relative humidity, the preservation effect is best, and preserving 90 days rotten indexes is 0.25, and commodity fruit rate is 90%, and pericarp is fresh and tender, and pulp cadmium yellow, mouthfeel are all good.Therefore, optimal selection of the present invention is pressed 100mg/m with the 1-MCP pulvis
3Consumption thick-skinned melon was handled 24 hours, put into 6g Na according to the per kilogram thick-skinned melon then
2S
2O
5The volume proportion of pulvis, gaseous mixture is 7%CO
2, 5%O
2, 88%N
2, be to carry out preservation under 75%～80% condition at 1.5～2.5 ℃, relative humidity.
In order to verify beneficial effect of the present invention, Shaanxi Yan Liang gathered raw material and has carried out the 500kg scale-up method for preserving that the inventor adopts the embodiment of the invention 1 in the thick-skinned melon place of production in 2011, preserve 90 days good really rates and reached 92.5%.
Claims (2)
1. the method for preserving of a thick-skinned melon fresh fruit is characterized in that it is made up of following step:
(1) freezer sterilization
The mass ratio that uses copper sulphate, lime, water is that 1: 1: 50 mixture is brushed freezer metope and ground; The mass ratio that uses formaldehyde and potassium permanganate is that 5: 1 thimerosal is with 5g/m
3Consumption fumigation freezer 24～48 hours;
(2) make antistaling agent
With absorbent cotton parcel 1-methyl cyclopropene pulvis, every bag 10mg places in the beaker; Use paper bag packing Na
2S
2O
5, every bag of 5g;
(3) precooling
Ninety percent ripe thick-skinned melon fresh fruit is packed in the plastics fruit basket, and 2.5～3.5 ℃ of precoolings are 48 hours in freezer;
(4) preservation
Thick-skinned melon after the precooling is put into airtight container together with the fruit basket, by 80～120mg/m
3Consumption in airtight container, put into 1-methyl cyclopropene pulvis, in the beaker of placing 1-methyl cyclopropene pulvis, add entry, every bag 1-methyl cyclopropene pulvis adds 1mL water; Closed container was placed 24 hours, and the fruit basket that thick-skinned melon is housed is taken out from closed container; In controlled atmosphere cold, put, the fruit basket pushes up 60cm apart from side wall 10～15cm apart from the storehouse; Fruit basket and fruit basket spacing be 1cm at least, puts into 4～6g Na by the per kilogram thick-skinned melon
2S
2O
5, charge into CO
2With O
2, N
2Gaseous mixture, be charged to and the natural atmosphere equilibrium CO in the mist
2Volume fraction be 5%～9%, O
2Volume fraction be 5%～8%, N
2Volume fraction be 85%～88%, be preservation under 75%～80% condition at 1.5～2.5 ℃, relative humidity, ventilation in per 10 days 1 time, decayed fruit is removed in sample investigation simultaneously;
(5) outbound
Thick-skinned melon was placed 10～12 hours between buffering, and thick-skinned melon temperature and ambient temperature difference are 3～4 ℃, packing, outbound.
2. the method for preserving of thick-skinned melon fresh fruit according to claim 1 is characterized in that: in preservation steps (4), the thick-skinned melon after the precooling is put into airtight container together with the fruit basket, press 100mg/m
3Consumption in airtight container, put into the 1-methyl cyclopropene, in the beaker of placing the 1-methyl cyclopropene, add entry, every bag 1-methyl cyclopropene pulvis adds 1mL water; Closed container was placed 24 hours, and the fruit basket that thick-skinned melon is housed is taken out from closed container; In controlled atmosphere cold, put, the fruit basket pushes up 60cm apart from side wall 10～15cm apart from the storehouse; Fruit basket and fruit basket spacing be 1cm at least, puts into 6g Na by the per kilogram thick-skinned melon
2S
2O
5, charge into CO
2With O
2, N
2Gaseous mixture, be charged to and the natural atmosphere equilibrium CO in the gaseous mixture
2Volume fraction be 7%, O
2Volume fraction be 5%, N
2Volume fraction be that 88%, 1.5～2.5 ℃, relative humidity are 75%～80% preservation, ventilation in per 10 days 1 time, decayed fruit is removed in sample investigation simultaneously.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102823644A (en) * | 2012-09-04 | 2012-12-19 | 天津捷盛东辉保鲜科技有限公司 | Fresh-keeping method for muskmelon |
| CN102960438A (en) * | 2012-12-11 | 2013-03-13 | 陕西师范大学 | Storage method of angelica keiskei |
| CN103283823A (en) * | 2013-06-17 | 2013-09-11 | 陕西师范大学 | Storage method of fresh pomegranate |
| CN105028619A (en) * | 2015-07-23 | 2015-11-11 | 成都市农林科学院 | Modified-atmosphere preservation method for bitter gourds |
| CN107373233A (en) * | 2017-08-25 | 2017-11-24 | 中国农业大学 | A kind of muskmelon juice quality product and preparation method thereof |
| CN107568326A (en) * | 2017-10-27 | 2018-01-12 | 张有林 | A kind of fresh pomegranate method for preserving |
| CN108184985A (en) * | 2017-12-22 | 2018-06-22 | 新疆农业科学院农产品贮藏加工研究所 | A kind of air regulating fresh-keeping method of thick-skinned melon |
| CN108771095A (en) * | 2018-06-29 | 2018-11-09 | 峨眉山万佛绿色食品有限公司 | A kind of storage method of fresh rattan pepper |
| CN109965000A (en) * | 2019-04-10 | 2019-07-05 | 安徽农业大学 | A kind of shortcake melon temperature preservation processing device and its storage method |
| CN110663761A (en) * | 2019-11-18 | 2020-01-10 | 江苏省林业科学研究院 | Fresh-keeping method of Xinjiang early-yellow fig |
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| CN1672535A (en) * | 2004-03-24 | 2005-09-28 | 上海市农业科学院作物育种栽培研究所 | Natural fruit and vegetable preservative |
| CN101473867A (en) * | 2009-01-16 | 2009-07-08 | 乌鲁木齐域奇生物科技开发有限公司 | Post-harvest storage and fresh-keeping method of fresh-eating oriental melon |
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| CN1133123A (en) * | 1995-04-07 | 1996-10-16 | 新疆石油管理局独山子石油化工总厂 | Fruit and vegetable antistaling agent and preparation |
| CN1672535A (en) * | 2004-03-24 | 2005-09-28 | 上海市农业科学院作物育种栽培研究所 | Natural fruit and vegetable preservative |
| CN101473867A (en) * | 2009-01-16 | 2009-07-08 | 乌鲁木齐域奇生物科技开发有限公司 | Post-harvest storage and fresh-keeping method of fresh-eating oriental melon |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102823644A (en) * | 2012-09-04 | 2012-12-19 | 天津捷盛东辉保鲜科技有限公司 | Fresh-keeping method for muskmelon |
| CN102960438A (en) * | 2012-12-11 | 2013-03-13 | 陕西师范大学 | Storage method of angelica keiskei |
| CN102960438B (en) * | 2012-12-11 | 2013-09-25 | 陕西大统生态产业开发有限公司 | Storage method of angelica keiskei |
| CN103283823A (en) * | 2013-06-17 | 2013-09-11 | 陕西师范大学 | Storage method of fresh pomegranate |
| CN105028619A (en) * | 2015-07-23 | 2015-11-11 | 成都市农林科学院 | Modified-atmosphere preservation method for bitter gourds |
| CN107373233A (en) * | 2017-08-25 | 2017-11-24 | 中国农业大学 | A kind of muskmelon juice quality product and preparation method thereof |
| CN107373233B (en) * | 2017-08-25 | 2020-12-08 | 中国农业大学 | High-quality muskmelon juice product and preparation method thereof |
| CN107568326A (en) * | 2017-10-27 | 2018-01-12 | 张有林 | A kind of fresh pomegranate method for preserving |
| CN108184985A (en) * | 2017-12-22 | 2018-06-22 | 新疆农业科学院农产品贮藏加工研究所 | A kind of air regulating fresh-keeping method of thick-skinned melon |
| CN108771095A (en) * | 2018-06-29 | 2018-11-09 | 峨眉山万佛绿色食品有限公司 | A kind of storage method of fresh rattan pepper |
| CN109965000A (en) * | 2019-04-10 | 2019-07-05 | 安徽农业大学 | A kind of shortcake melon temperature preservation processing device and its storage method |
| CN110663761A (en) * | 2019-11-18 | 2020-01-10 | 江苏省林业科学研究院 | Fresh-keeping method of Xinjiang early-yellow fig |
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