CN109393015A - A kind of method that banana storage is fresh-keeping - Google Patents
A kind of method that banana storage is fresh-keeping Download PDFInfo
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- CN109393015A CN109393015A CN201811085856.8A CN201811085856A CN109393015A CN 109393015 A CN109393015 A CN 109393015A CN 201811085856 A CN201811085856 A CN 201811085856A CN 109393015 A CN109393015 A CN 109393015A
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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
- A23B7/015—Preserving by irradiation or electric treatment without heating effect
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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
- A23B7/04—Freezing; Subsequent thawing; Cooling
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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
- A23B7/16—Coating with a protective layer; Compositions or apparatus therefor
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Abstract
The invention belongs to postharvest technology of fruits and vegetables field, the fresh-keeping method of specifically a kind of banana storage.It carries out ultrasonic cleaning the following steps are included: the banana selected is placed in faintly acid electric potential water by (1), is arranged 35 ~ 50 DEG C of cleaning temperature, and the time is 8 ~ 10min, and power is 500 ~ 600W, is drained after then pulling out；(2) banana drained is placed in low voltage electrostatic field device, it is 1 ~ 3 layer that banana, which stacks height, and 120 ~ 180min is handled in the electric field that output voltage is 2.5kV/m, electric current is 0.2mA；(3) banana after electric field treatment is immersed in coating liquid and carries out coating problems, packed after dry with bubble chamber；(4) packaged banana is sent into the freezer that temperature is 13 ~ 15 DEG C and carries out 12 ~ 15h of pre-cooling, the banana after pre-cooling is transferred in storage and carries out Low-pressure storage stage by stage.Method of the invention can effectively extend the banana fresh-keeping phase, keep banana nutrient and flavour, and application value is high.
Description
Technical field
The invention belongs to postharvest technology of fruits and vegetables field, specifically a kind of method that banana storage is fresh-keeping.
Background technique
Banana category Musaceae (Musaceae) Musa (Musa) plant is typically to breathe for the torrid zone, subtropical fruit
One of transition type fruit.Banana can the anniversary as a result, be at home and abroad the fresh fruit of year-round provision in the market, be the favorite torrid zone of people
One of fruit.Banana production occupies an important position in China's Production of fruit.China's banana cultivation kind based on fragrant tooth any of several broadleaf plants,
In addition, Guangdong is there are also plantain and dwarf banana, there is a Saigon any of several broadleaf plants in Guangxi, and Fujian is based on any of several broadleaf plants of Tian Bao, Taiwan it is more in order celestial being any of several broadleaf plants and
Northern any of several broadleaf plants.After banana is adopted, occurs climacteric under room temperature rapidly, in After-ripening, banana ethylene evolution peak, which comes across, is exhaled
Before inhaling peak, so that the arrival of respiratory climacteric and the release of ethylene are accelerated, so that banana be promoted to turn yellow, sweeten, become
Soft astringent taste disappears.Banana generation mechanical damage is not obvious appearance effects under dark green state, but after fruit maturation, hair
The place of raw mechanical damage will blackening, seriously affect appearance, while mechanical damage is also that the intrusion of pathogenic microorganism opens
Convenience, so that banana is easy to appear pericarp browning, mildew in storage period, pulp softens, finally rots.
It is less with respect to for other fruit to the processing of banana both at home and abroad, main cause be banana peeling process difficulty it is big,
Enzymatic browning and non-enzymatic browning are not easy to control, and banana starch and pectin content are more, journey viscous pasty state, juice slag after mashing
Separation is difficult and the aromatic substance of banana is easy to hydrolysis, oxidative degradation etc. occurs at high temperature to react, and generate disulfide,
The hot-working product such as furans, banana flavor and fresh banana flavor after processing are not easy to keep banana wide there are biggish difference
Big consumer is received.Currently, banana is still used as fresh fruit to be sold.In banana sales process, using preservation and freshness
Form is varied, and lot of domestic and international scholar is exploring optimal method for storing and refreshing.(1) ozone treatment.Ozone is a kind of
Strong oxidizer can remove the ethylene discharged in After-ripening of Banana, to delay the Ripening of Banana Fruits time, improve banana storage
Quality.(2) banana coating problems.Banana coating problems are primarily to reduce banana in the evaporation and reduction of storage period moisture
O2Concentration, improve CO2Concentration, reduce respiration of fruits effect, and disease prevented to a certain extent, as corn alcohol is molten
The film that the substances such as albumen and chitosan are prepared into.(3) controlled atmosphere cold is stored.Banana storage environment is carried out during banana storage
It adjusts, adjusts freezer CO2、O2、N2And ethylene contents and temperature, humidity, so that the breathing for reducing banana to the maximum extent is made
With the appearance at postponement banana ethylene peak, to achieve the effect that extend storage period.(4) 1-MCP is handled.1-MCP is ethylene receptor
Inhibitor, it can irreversibly act on ethylene receptor, to block the normal combination of ethylene, inhibit that it is induced and fruit
A series of relevant biochemical reactions of real after-ripening, and then extend the shelf-life of banana.
Although can have certain facilitation to the fresh-keeping of banana in existing banana fresh-keeping technology, be difficult compared with
The earth extends the shelf-life of banana, and the nutrient and flavour of banana does not have greatly changed.
Summary of the invention
The shortcomings that present invention provides a kind of method that banana storage is fresh-keeping, and this method can overcome single preservation technology, energy
Enough advantages for effectively playing various preservation technologies can be controlled during banana storage so that banana obtains optimal fresh-keeping effect
The deterioration of the quality of banana processed, the flavor loss for reducing banana to greatest extent, significantly extend the fresh-retaining preserving phase of banana.
The scheme of the invention is realize in this way: a kind of method that banana storage is fresh-keeping, comprising the following steps:
(1) select maturity for 7, no disease and pests harm, the banana having no mechanical damage be placed in faintly acid electric potential water carry out ultrasonic wave it is clear
It washes, is arranged 35 ~ 50 DEG C of cleaning temperature, the time is 8 ~ 10min, and power is 500 ~ 600W, is drained after then pulling out；
(2) banana drained is placed in low voltage electrostatic field device, it is 1 ~ 3 layer that banana, which stacks height, is in output voltage
120 ~ 180min is handled in 2.5kV/m, the electric field that electric current is 0.2mA；
(3) banana after electric field treatment is immersed in coating liquid and carries out coating problems, packed after dry with bubble chamber；
(4) packaged banana is sent into the freezer that temperature is 13 ~ 15 DEG C and carries out 12 ~ 15h of pre-cooling, the banana after pre-cooling is turned
It moving on to and carries out Low-pressure storage in storage, it is 10 ~ 20kPa that preceding 15d, which keeps the vacuum pressure in subatmospheric pressure storage library, temperature is 13 ~
14 DEG C, relative humidity is 80 ~ 85%, and the vacuum pressure that 16 ~ 20d adjusts storage is 20 ~ 30kPa, and temperature is 12 ~ 13 DEG C, relatively
Humidity is 90 ~ 95 DEG C, and adjusting storage vacuum pressure in 21 ~ 40d of the later period of banana storage is 60 ~ 80kPa, and temperature is 12 ~ 13
DEG C, relative humidity is 93 ~ 98%.
As a further improvement of the present invention, each raw material composition weight fraction ratio of the coating liquid and preparation method thereof
Are as follows:
A. raw material weighs: weighing 20 ~ 25 parts of starch, 6 ~ 8 parts of sucrose fatty ester, 6 ~ 8 parts of glycerol, sweet respectively by ratio of weight and the number of copies
3 ~ 4 parts of propylhomoserin, 2 ~ 3 parts of tea polyphenols, 8 ~ 10 parts of chitosan, 2 ~ 5 parts of poly-D-lysine, 8 ~ 10 parts of false acid pulp, 8 ~ 10 parts of bracketplant, perfume
6 ~ 8 parts of thatch, 4 ~ 6 parts of cordate houttuynia, 3 ~ 5 parts of honeysuckle, 3 ~ 5 parts of aloe, 2 ~ 4 parts of purple perilla, 1 ~ 2 part of cloves, 2 ~ 3 parts of peppermint, gallbladder
2 ~ 4 parts of grass；
B. by 8 ~ 10 parts of false acid pulp, 8 ~ 10 parts of bracketplant, 6 ~ 8 parts of lemongrass, 4 ~ 6 parts of cordate houttuynia, 3 ~ 5 parts of honeysuckle, 3 ~ 5 parts of aloe,
Mixed-powder is obtained after 2 ~ 4 parts of 2 ~ 4 parts of purple perilla, 1 ~ 2 part of cloves, 2 ~ 3 parts of peppermint, elephants-foot progress co-grindings, by mixed powder
It is 1: 12 that end, which is added in the ethanol solution that volume fraction is 50% and forms solid-liquid ratio, then impregnates 9h at a temperature of 50 ~ 60 DEG C, benefit
Mixture is squeezed into feed pump and carries out Microwave Extraction in Microwave Extraction device, Extracting temperature be 70 ~ 75 DEG C, extraction time be 20 ~
Extracting solution is carried out film filtering, with being dried with nitrogen to obtain mixed powder by 30min；
C. 8 ~ 10 parts of chitosan are taken to be dissolved in the acetum that volumetric concentration is 2%, 4000r/min is centrifuged after magnetic agitation 1h
10min removes solution impurity and obtains supernatant；20 ~ 25 parts of starch are dissolved in the distilled water boiled, is added to after cooling above-mentioned
In supernatant, then adds 6 ~ 8 parts of sucrose fatty ester, 6 ~ 8 parts of glycerol, 3 ~ 4 parts of glycine, 2 ~ 3 parts of tea polyphenols, poly and rely ammonia
Progress ultrasonic degassing 30min obtains coating liquid after 2 ~ 5 parts of acid, mixed powder are stirred 25 ~ 30min.
As a further improvement of the present invention, each raw material composition weight fraction ratio of the bubble chamber and preparation method thereof
Are as follows:
A. raw material weighs: 20 ~ 25 parts of polystyrene, 10 ~ 12 parts of polytetrafluoroethylene (PTFE), 8 ~ 12 parts of POLYPROPYLENE GLYCOL, nano-TiO20.4~
0.5 part, Nano-meter SiO_220.20 ~ 0.25 part, 0.20 ~ 0.30 part of expanded and vitrified small ball, 0.10 ~ 0.20 part of zeolite, 1- methyl cyclopropyl
1.0 ~ 2.0 parts of alkene, 1.0 ~ 2.0 parts of titanate coupling agent, 2.0 ~ 3.0 parts of foaming agent；
B. it is modified the preparation of auxiliary material: taking nano-TiO20.4 ~ 0.5 part, Nano-meter SiO_220.20 ~ 0.25 part, expanded and vitrified small ball 0.20
~ 0.30 part, 0.10 ~ 0.20 part of zeolite is added in isopropanol, is stirred 30min by magnetic stirring apparatus, then ultrasonic again
Dispersion 15min adds 1.0 ~ 2.0 parts of titanate coupling agent, water the high-speed stirred 30min at 80 DEG C, then again in 80 DEG C of conditions
Lower ultrasound evaporating solution 30min, rotary evaporation remove isopropyl alcohol and water, are finally dried to obtain modified auxiliary material；
C. by 20 ~ 25 parts of polystyrene, 10 ~ 12 parts of polytetrafluoroethylene (PTFE), 8 ~ 12 parts of POLYPROPYLENE GLYCOL, modified auxiliary material, 1- methyl cyclopropyl
1.0 ~ 2.0 parts of alkene, 2.0 ~ 3.0 parts of foaming agent be sufficiently mixed after be sent into kneading machine in, at 120 ~ 130 DEG C be kneaded 3 ~ 5min, most
Gained mixed material is transferred in injection molding machine afterwards and obtains bubble chamber by injection molding.
As a further improvement of the present invention, the starch is cornstarch, sweet potato starch, tapioca, potato
Starch, glutinous rice starch.
The technical principle that the present invention realizes is:
A variety of preservation technologies are combined in method of the invention, the advantage of various preservation technologies can be played, obtain optimal perfume (or spice)
Any of several broadleaf plants fresh-keeping effect.It is be combined with each other processing in banana cleaning process using ultrasonic wave and faintly acid electric potential water, faintly acid electric potential water
It is highly-safe, sterilizing ability is strong, the pathogen on banana surface can be effectively killed, by ultrasonic wave and faintly acid electric potential water ultrasonic wave
Also there is bactericidal effect, ultrasonic wave can be improved the bactericidal effect of faintly acid electric potential water, have and utilize the fresh-keeping of banana.It will after cleaning
The banana drained carries out the processing of low voltage electrostatic field, and low voltage electrostatic field energy enough prints the intracorporal enzyme of banana, causes the intracorporal enzyme of banana
Activity change, the metabolic function and biochemical reaction of banana will receive inhibition, so that the respiration of banana be effectively reduced, reduce fragrant
Any of several broadleaf plants loses in the nutrient and flavour of storage period.Banana surface is smeared using edible film-coating liquid, it can be right in coating liquid
O2、CO2There is certain selective osmosis with ethylene, can effectively adjust O in banana2、CO2With the content of ethylene, thus
The freshness of banana is kept, and edible film-coating liquid contains the various sterilizations ingredient such as chitosan, poly-D-lysine, bracketplant, lemongrass,
The bacteriostasis property that can be improved banana is able to suppress the growth and breeding of pathogen in banana.To the bubble chamber progress for packaging
Transformation, adds nano-TiO in bubble chamber2, Nano-meter SiO_22The intensity and toughness that bubble chamber can be enhanced make bubble chamber not rapid wear
It is bad, while nano-TiO2Restraining and sterilizing bacteria effect is rapid, sterilization effect is thorough, and the pathogen during capable of preventing banana from saving grows
It is raw, nano-TiO2Photocatalytic and the interaction of 1- methyl cyclopropene can drop the ethylene that generates in banana storage and decompose
Fall, delays banana ripening and senscence process well, prolong storage period.Polytetrafluoroethylene (PTFE) and Nano-meter SiO_22It can be improved bubble chamber
Block-water performance enhances the intracorporal moisture retention of case, effectively adjusts banana storage environment, there is certain adjusting to the respiration of banana
Effect, to reach better fresh-keeping effect, expanded and vitrified small ball is added in bubble chamber can be improved the heat insulating ability of bubble chamber
Can, the variation of banana temperature in storage and transportational process is reduced, it is too high or too low for temperature to reduce bring during transportation
Influence to banana quality.Subatmospheric pressure storage carries out stage by stage, can according to the physiological metabolism characteristic in banana again storage into
Row is adjusted, and so as to more effectively inhibit the respiration of banana, excludes the ethylene generated during banana storage in time, effectively
The maturation for delaying banana, keeps the fresh state of banana, to extend the shelf-life of banana.It is quiet by ultrasonic wave effect, low pressure
The synergy of the modes such as electric field, compelx coating, hypobaric storage can effectively delay the maturation and aging of fruit, increase substantially
The freshness date of banana.
The present invention has following good result:
1. the present invention uses a variety of preservation technologies, various preservation technologies be combined with each other, and effectively banana can be inhibited in storage period
Respiration, control the product quality deterioration of banana, the loss of banana nutrient and flavour reduced, in banana preservation and transportational process
The nutriment in banana can preferably be retained, effectively extend the freshness date of banana.
2. method of the invention is environmentally protective, it can be avoided various synthetics confrontation human bodies and environment bring be potential
Harm.
3. method of the invention is applied in the storage of banana, banana can be made to keep fresh state, application value
Height, the present invention are applied in the preserving process of banana, and the indices situation of change that new fresh bananas measures after storage 40 days is such as
Under: pistac is changed by green in sensory aspect Banana peel, fruit colour slightly loss of gloss pool is more full；Hardness is
4.76~4.85kg.cm-2；Rotting rate is 2.96 ~ 3.27%；Weight-loss ratio is 3.64 ~ 3.84%；Soluble solid content is 14.72
~15.67%；Acetate releasing quantity is 0.05 ~ 0.07 μ L.kg-1/h-1。
Specific embodiment
A kind of storage and fresh keeping of mangos method of the description present invention with reference to embodiments, these descriptions are not in the present invention
Appearance is further limited.
Embodiment 1
Each raw material composition weight fraction ratio of coating liquid and preparation method thereof are as follows:
Raw material weighs: weighing 24 parts of cornstarch, 6 parts of sucrose fatty ester, 7 parts of glycerol, glycine respectively by ratio of weight and the number of copies
3.2 parts, 3 parts of tea polyphenols, 9 parts of chitosan, 3 parts of poly-D-lysine, 10 parts of false acid pulp, 9.5 parts of bracketplant, 6.5 parts of lemongrass, cordate houttuynia
4 parts, 3.5 parts of honeysuckle, 5 parts of aloe, 3 parts of purple perilla, 1.5 parts of cloves, 2.2 parts of peppermint, 2.5 parts of elephants-foot；
By 10 parts of false acid pulp, 9.5 parts of bracketplant, 6.5 parts of lemongrass, 4 parts of cordate houttuynia, 3.5 parts of honeysuckle, 5 parts of aloe, 3 parts of purple perilla, fourth
Mixed-powder is obtained after 2.5 parts of 1.5 parts fragrant, 2.2 parts of peppermint, elephants-foot progress co-grindings, volume point is added in mixed-powder
Number is 1: 12 to form solid-liquid ratio in 50% ethanol solution, then impregnates 9h at 50 °C, will be mixed using feed pump
Object is squeezed into and carries out Microwave Extraction in Microwave Extraction device, and Extracting temperature is 75 DEG C, extraction time 30min, and extracting solution is carried out film
Filtering, with being dried with nitrogen to obtain mixed powder；
9 parts of chitosan are taken to be dissolved in the acetum that volumetric concentration is 2%, 4000r/min is centrifuged 10min and removes after magnetic agitation 1h
Solution impurity is gone to obtain supernatant；24 parts of cornstarch are dissolved in the distilled water boiled, is added to above-mentioned supernatant after cooling
In, then add 6 parts of sucrose fatty ester, 7 parts of glycerol, 3.2 parts of glycine, 3 parts of tea polyphenols, 3 parts of poly-D-lysine, mixed powder
Progress ultrasonic degassing 30min obtains coating liquid after being stirred 26min；
Each raw material composition weight fraction ratio of bubble chamber and preparation method thereof are as follows:
Raw material weighs: 23 parts of polystyrene, 11 parts of polytetrafluoroethylene (PTFE), 9 parts of POLYPROPYLENE GLYCOL, nano-TiO20.4 part, nanometer
SiO20.22 part, 0.25 part of expanded and vitrified small ball, 0.10 part of zeolite, 1.0 parts of 1- methyl cyclopropene, 1.2 parts of titanate coupling agent,
3.0 parts of foaming agent；
The preparation of modified auxiliary material: nano-TiO is taken20.4 part, Nano-meter SiO_220.22 part, 0.25 part of expanded and vitrified small ball, zeolite 0.10
Part is added in isopropanol, is stirred 30min by magnetic stirring apparatus, then re-ultrasonic dispersion 15min adds titanate esters
1.2 parts of coupling agent, water the high-speed stirred 30min at 80 DEG C, then ultrasonic evaporating solution 30min, rotation under the conditions of 80 DEG C again
Evaporation removes isopropyl alcohol and water, is finally dried to obtain modified auxiliary material；
By 23 parts of polystyrene, 11 parts of polytetrafluoroethylene (PTFE), 9 parts of POLYPROPYLENE GLYCOL, modified auxiliary material, 1.0 parts of 1- methyl cyclopropene, foaming
3.0 parts of agent be sufficiently mixed after be sent into kneading machine in, 3.5min is kneaded at 122 DEG C, gained mixed material is finally transferred to injection molding
Bubble chamber is obtained by injection molding in machine；
It selects maturity to be placed in faintly acid electric potential water for 7, no disease and pests harm, the banana having no mechanical damage and carries out ultrasonic cleaning,
35 DEG C of cleaning temperature of setting, time 10min, power 500W are drained after then pulling out；
The banana drained is placed in low voltage electrostatic field device, it is 3 layers that banana, which stacks height, is 2.5kV/m, electricity in output voltage
140min is handled in the electric field that stream is 0.2mA；
Banana after electric field treatment is immersed in coating liquid and carries out coating problems, is packed after dry with bubble chamber；
Packaged banana is sent into the freezer that temperature is 13.5 DEG C and carries out pre-cooling 14h, the banana after pre-cooling is transferred to storage
Low-pressure storage is carried out in hiding library, it is 20kPa that preceding 15d, which keeps the vacuum pressure in subatmospheric pressure storage library, and temperature is 14 DEG C, relative humidity
It is 85%, the vacuum pressure that 16 ~ 20d adjusts storage is 23kPa, and temperature is 12.5 DEG C, and relative humidity is 93 DEG C, is store in banana
It is 70kPa that 21 ~ 40d of the later period of hiding, which adjusts storage vacuum pressure, and temperature is 12 DEG C, relative humidity 97%.
Embodiment 2
Each raw material composition weight fraction ratio of coating liquid and preparation method thereof are as follows:
Raw material weighs: weighing 25 parts of sweet potato starch, 8 parts of sucrose fatty ester, 6.5 parts of glycerol, sweet ammonia respectively by ratio of weight and the number of copies
Sour 3.8 parts, 2.5 parts of tea polyphenols, 8 parts of chitosan, 2 parts of poly-D-lysine, 8.5 parts of false acid pulp, 8 parts of bracketplant, 6 parts of lemongrass, fish raw meat
Careless 6 parts, 4.5 parts of honeysuckle, 3 parts of aloe, 2.5 parts of purple perilla, 1 part of cloves, 2 parts of peppermint, 3 parts of elephants-foot；
By 8.5 parts of false acid pulp, 8 parts of bracketplant, 6 parts of lemongrass, 6 parts of cordate houttuynia, 4.5 parts of honeysuckle, 3 parts of aloe, 2.5 parts of purple perilla, fourth
Mixed-powder is obtained after 3 parts of 1 part fragrant, 2 parts of peppermint, elephants-foot progress co-grindings, is by mixed-powder addition volume fraction
It is 1: 12 that solid-liquid ratio is formed in 50% ethanol solution, then impregnates 9h at a temperature of 58 DEG C, is beaten mixture using feed pump
Entering and carries out Microwave Extraction in microwave extractor, Extracting temperature is 72 DEG C, extraction time 30min, extracting solution is subjected to film filtering,
With being dried with nitrogen to obtain mixed powder；
8 parts of chitosan are taken to be dissolved in the acetum that volumetric concentration is 2%, 4000r/min is centrifuged 10min and removes after magnetic agitation 1h
Solution impurity is gone to obtain supernatant；25 parts of sweet potato starch are dissolved in the distilled water boiled, is added to above-mentioned supernatant after cooling
In, it then adds 8 parts of sucrose fatty ester, 6.5 parts of glycerol, 3.8 parts of glycine, 2.5 parts of tea polyphenols, 8 parts of chitosan, poly and relies
Progress ultrasonic degassing 30min obtains coating liquid after 2 parts of propylhomoserin, mixed powder are stirred 30min；
Each raw material composition weight fraction ratio of bubble chamber and preparation method thereof are as follows:
Raw material weighs: 20 parts of polystyrene, 10.5 parts of polytetrafluoroethylene (PTFE), 12 parts of POLYPROPYLENE GLYCOL, nano-TiO20.42 part, nanometer
SiO20.20 part, 0.28 part of expanded and vitrified small ball, 0.15 part of zeolite, 2.0 parts of 1- methyl cyclopropene, 1.5 parts of titanate coupling agent,
2.2 parts of foaming agent；
The preparation of modified auxiliary material: nano-TiO is taken20.42 part, Nano-meter SiO_220.20 part, 0.28 part of expanded and vitrified small ball, zeolite
0.15 part is added in isopropanol, is stirred 30min by magnetic stirring apparatus, then re-ultrasonic dispersion 15min adds titanium
1.5 parts of acid esters coupling agent, water the high-speed stirred 30min at 80 DEG C, then ultrasonic evaporating solution 30min under the conditions of 80 DEG C again,
Rotary evaporation removes isopropyl alcohol and water, is finally dried to obtain modified auxiliary material；
By 20 parts of polystyrene, 10.5 parts of polytetrafluoroethylene (PTFE), 12 parts of POLYPROPYLENE GLYCOL, modified auxiliary material, 2.0 parts of 1- methyl cyclopropene,
2.2 parts of foaming agent be sufficiently mixed after be sent into kneading machine in, 3min is kneaded at 120 DEG C, gained mixed material is finally transferred to note
Bubble chamber is obtained by injection molding in molding machine；
It selects maturity to be placed in faintly acid electric potential water for 7, no disease and pests harm, the banana having no mechanical damage and carries out ultrasonic cleaning,
40 DEG C of cleaning temperature of setting, time 9.5min, power 600W are drained after then pulling out；
The banana drained is placed in low voltage electrostatic field device, it is 3 layers that banana, which stacks height, is 2.5kV/m, electricity in output voltage
160min is handled in the electric field that stream is 0.2mA；
Banana after electric field treatment is immersed in coating liquid and carries out coating problems, is packed after dry with bubble chamber；
Packaged banana is sent into the freezer that temperature is 14 DEG C and carries out pre-cooling 15h, the banana after pre-cooling is transferred to storage
Low-pressure storage is carried out in library, it is 18kPa that preceding 15d, which keeps the vacuum pressure in subatmospheric pressure storage library, and temperature is 14.5 DEG C, relative humidity
It is 82%, the vacuum pressure that 16 ~ 20d adjusts storage is 30kPa, and temperature is 13 DEG C, and relative humidity is 94 DEG C, in banana storage
21 ~ 40d of the later period adjust storage vacuum pressure be 60kPa, temperature be 13 DEG C, relative humidity 98%.
Embodiment 3
Each raw material composition weight fraction ratio of coating liquid and preparation method thereof are as follows:
Raw material weighs: weighing 20 parts of tapioca, 6.5 parts of sucrose fatty ester, 6 parts of glycerol, sweet ammonia respectively by ratio of weight and the number of copies
Sour 3.5 parts, 2.8 parts of tea polyphenols, 10 parts of chitosan, 4 parts of poly-D-lysine, 8 parts of false acid pulp, 9 parts of bracketplant, 8 parts of lemongrass, cordate houttuynia
5 parts, 3 parts of honeysuckle, 4 parts of aloe, 3.5 parts of purple perilla, 1.8 parts of cloves, 3 parts of peppermint, 3.5 parts of elephants-foot；
By 8 parts of false acid pulp, 9 parts of bracketplant, 8 parts of lemongrass, 5 parts of cordate houttuynia, 3 parts of honeysuckle, 4 parts of aloe, 3.5 parts of purple perilla, cloves 1.8
Mixed-powder is obtained after 3.5 parts of part, 3 parts of peppermint, elephants-foot progress co-grindings, it is 50% that volume fraction, which is added, in mixed-powder
Ethanol solution in form solid-liquid ratio be 1: 12, then impregnate 9h at a temperature of 52 DEG C, squeezed into mixture using feed pump micro-
Microwave Extraction is carried out in wave extractor, Extracting temperature is 70 DEG C, extraction time 30min, and extracting solution is carried out film filtering, uses nitrogen
Air-blowing is dry to obtain mixed powder；
10 parts of chitosan are taken to be dissolved in the acetum that volumetric concentration is 2%, 4000r/min is centrifuged 10min and removes after magnetic agitation 1h
Solution impurity is gone to obtain supernatant；20 parts of tapioca are dissolved in the distilled water boiled, is added to above-mentioned supernatant after cooling
In, then add 6.5 parts of sucrose fatty ester, 6 parts of glycerol, 3.5 parts of glycine, 2.8 parts of tea polyphenols, 10 parts of chitosan, poly
Progress ultrasonic degassing 30min obtains coating liquid after 4 parts of lysine, mixed powder are stirred 25min；
Each raw material composition weight fraction ratio of bubble chamber and preparation method thereof are as follows:
Raw material weighs: 22 parts of polystyrene, 10 parts of polytetrafluoroethylene (PTFE), 11 parts of POLYPROPYLENE GLYCOL, nano-TiO20.5 part, nanometer
SiO20.24 part, 0.22 part of expanded and vitrified small ball, 0.18 part of zeolite, 1.2 parts of 1- methyl cyclopropene, 1.8 parts of titanate coupling agent,
2.0 parts of foaming agent；
The preparation of modified auxiliary material: nano-TiO is taken20.5 part, Nano-meter SiO_220.24 part, 0.22 part of expanded and vitrified small ball, zeolite 0.18
Part is added in isopropanol, is stirred 30min by magnetic stirring apparatus, then re-ultrasonic dispersion 15min adds titanate esters
1.8 parts of coupling agent, water the high-speed stirred 30min at 80 DEG C, then ultrasonic evaporating solution 30min, rotation under the conditions of 80 DEG C again
Evaporation removes isopropyl alcohol and water, is finally dried to obtain modified auxiliary material；
By 22 parts of polystyrene, 10 parts of polytetrafluoroethylene (PTFE), 11 parts of POLYPROPYLENE GLYCOL, modified auxiliary material, 1.2 parts of 1- methyl cyclopropene, hair
2.0 parts of infusion be sufficiently mixed after be sent into kneading machine in, 5min is kneaded at 128 DEG C, gained mixed material is finally transferred to injection molding
Bubble chamber is obtained by injection molding in machine；
It selects maturity to be placed in faintly acid electric potential water for 7, no disease and pests harm, the banana having no mechanical damage and carries out ultrasonic cleaning,
42 DEG C of cleaning temperature of setting, time 8min, power 520W are drained after then pulling out；
The banana drained is placed in low voltage electrostatic field device, it is 2 layers that banana, which stacks height, is 2.5kV/m, electricity in output voltage
180min is handled in the electric field that stream is 0.2mA；
Banana after electric field treatment is immersed in coating liquid and carries out coating problems, is packed after dry with bubble chamber；
Packaged banana is sent into the freezer that temperature is 14.5 DEG C and carries out pre-cooling 13h, the banana after pre-cooling is transferred to storage
Low-pressure storage is carried out in hiding library, it is 10kPa that preceding 15d, which keeps the vacuum pressure in subatmospheric pressure storage library, and temperature is 13 DEG C, relative humidity
It is 80%, the vacuum pressure that 16 ~ 20d adjusts storage is 28kPa, and temperature is 12 DEG C, and relative humidity is 90 DEG C, in banana storage
21 ~ 40d of the later period adjust storage vacuum pressure be 65kPa, temperature be 13.5 DEG C, relative humidity 96%.
Embodiment 4
Each raw material composition weight fraction ratio of coating liquid and preparation method thereof are as follows:
Raw material weighs: weighing 23 parts of potato starch, 7.5 parts of sucrose fatty ester, 8 parts of glycerol, sweet respectively by ratio of weight and the number of copies
3 parts of propylhomoserin, 2.2 parts of tea polyphenols, 9.5 parts of chitosan, 5 parts of poly-D-lysine, 9 parts of false acid pulp, 10 parts of bracketplant, 7.5 parts of lemongrass, fish
Raw meat grass 4.5 parts, 5 parts of honeysuckle, 4.5 parts of aloe, 2 parts of purple perilla, 1.2 parts of cloves, 2.8 parts of peppermint, 2 parts of elephants-foot；
By 9 parts of false acid pulp, 10 parts of bracketplant, 7.5 parts of lemongrass, 4.5 parts of cordate houttuynia, 5 parts of honeysuckle, 4.5 parts of aloe, 2 parts of purple perilla, fourth
Mixed-powder is obtained after 2 parts of 1.2 parts fragrant, 2.8 parts of peppermint, elephants-foot progress co-grindings, volume fraction is added in mixed-powder
It is 1: 12 to form solid-liquid ratio in 50% ethanol solution, then impregnates 9h at a temperature of 60 DEG C, using feed pump by mixture
It squeezes into and carries out Microwave Extraction in Microwave Extraction device, Extracting temperature is 73 DEG C, extraction time 30min, and extracting solution is carried out film mistake
Filter, with being dried with nitrogen to obtain mixed powder；
9.5 parts of chitosan are taken to be dissolved in the acetum that volumetric concentration is 2%, 4000r/min is centrifuged 10min after magnetic agitation 1h
It removes solution impurity and obtains supernatant；23 parts of potato starch are dissolved in the distilled water boiled, is added on above-mentioned after cooling
In clear liquid, 7.5 parts of sucrose fatty ester, 8 parts of glycerol, 3 parts of glycine, 2.2 parts of tea polyphenols, 9.5 parts of chitosan, more is then added
Progress ultrasonic degassing 30min obtains coating liquid after 5 parts of polylysine, mixed powder are stirred 27min；
Each raw material composition weight fraction ratio of bubble chamber and preparation method thereof are as follows:
Raw material weighs: 25 parts of polystyrene, 11.5 parts of polytetrafluoroethylene (PTFE), 8 parts of POLYPROPYLENE GLYCOL, nano-TiO20.45 part, nanometer
SiO20.25 part, 0.20 part of expanded and vitrified small ball, 0.20 part of zeolite, 1.8 parts of 1- methyl cyclopropene, 1.0 parts of titanate coupling agent,
2.5 parts of foaming agent；
The preparation of modified auxiliary material: nano-TiO is taken20.45 part, Nano-meter SiO_220.25 part, 0.20 part of expanded and vitrified small ball, zeolite
0.20 part is added in isopropanol, is stirred 30min by magnetic stirring apparatus, then re-ultrasonic dispersion 15min adds titanium
1.0 parts of acid esters coupling agent, water the high-speed stirred 30min at 80 DEG C, then ultrasonic evaporating solution 30min under the conditions of 80 DEG C again,
Rotary evaporation removes isopropyl alcohol and water, is finally dried to obtain modified auxiliary material；
By 25 parts of polystyrene, 11.5 parts of polytetrafluoroethylene (PTFE), 8 parts of POLYPROPYLENE GLYCOL, modified auxiliary material, 1.8 parts of 1- methyl cyclopropene, hair
2.5 parts of infusion be sufficiently mixed after be sent into kneading machine in, 4min is kneaded at 130 DEG C, gained mixed material is finally transferred to injection molding
Bubble chamber is obtained by injection molding in machine；
It selects maturity to be placed in faintly acid electric potential water for 7, no disease and pests harm, the banana having no mechanical damage and carries out ultrasonic cleaning,
45 DEG C of cleaning temperature of setting, time 8.5min, power 580W are drained after then pulling out；
The banana drained is placed in low voltage electrostatic field device, it is 1 layer that banana, which stacks height, is 2.5kV/m, electricity in output voltage
150min is handled in the electric field that stream is 0.2mA；
Banana after electric field treatment is immersed in coating liquid and carries out coating problems, is packed after dry with bubble chamber；
Packaged banana is sent into the freezer that temperature is 13 DEG C and carries out pre-cooling 12h, the banana after pre-cooling is transferred to storage
Low-pressure storage is carried out in library, it is 15kPa that preceding 15d, which keeps the vacuum pressure in subatmospheric pressure storage library, and temperature is 13.5 DEG C, relative humidity
It is 83%, the vacuum pressure that 16 ~ 20d adjusts storage is 20kPa, and temperature is 12 DEG C, and relative humidity is 92 DEG C, in banana storage
21 ~ 40d of the later period adjust storage vacuum pressure be 80kPa, temperature be 12 DEG C, relative humidity 93%.
Embodiment 5
Each raw material composition weight fraction ratio of coating liquid and preparation method thereof are as follows:
Raw material weighs: weighing 22 parts of glutinous rice starch, 7 parts of sucrose fatty ester, 7.5 parts of glycerol, sweet ammonia respectively by ratio of weight and the number of copies
Sour 4 parts, 2 parts of tea polyphenols, 8.5 parts of chitosan, 3 parts of poly-D-lysine, 9.5 parts of false acid pulp, 8.5 parts of bracketplant, 7 parts of lemongrass, fish raw meat
Careless 5.5 parts, 4 parts of honeysuckle, 3.5 parts of aloe, 4 parts of purple perilla, 2 parts of cloves, 2.5 parts of peppermint, 4 parts of elephants-foot；
By 9.5 parts of false acid pulp, 8.5 parts of bracketplant, 7 parts of lemongrass, 5.5 parts of cordate houttuynia, 4 parts of honeysuckle, 3.5 parts of aloe, 4 parts of purple perilla,
Mixed-powder is obtained after 4 parts of 2 parts of cloves, 2.5 parts of peppermint, elephants-foot progress co-grindings, volume fraction is added in mixed-powder
It is 1: 12 to form solid-liquid ratio in 50% ethanol solution, then impregnates 9h at a temperature of 55 DEG C, using feed pump by mixture
It squeezes into and carries out Microwave Extraction in Microwave Extraction device, Extracting temperature is 74 DEG C, extraction time 30min, and extracting solution is carried out film mistake
Filter, with being dried with nitrogen to obtain mixed powder；
8.5 parts of chitosan are taken to be dissolved in the acetum that volumetric concentration is 2%, 4000r/min is centrifuged 10min after magnetic agitation 1h
It removes solution impurity and obtains supernatant；22 parts of glutinous rice starch are dissolved in the distilled water boiled, is added to above-mentioned supernatant after cooling
In liquid, then adds 7 parts of sucrose fatty ester, 7.5 parts of glycerol, 4 parts of glycine, 2 parts of tea polyphenols, 8.5 parts of chitosan, poly and rely
Progress ultrasonic degassing 30min obtains coating liquid after 3 parts of propylhomoserin, mixed powder are stirred 28min；
Each raw material composition weight fraction ratio of bubble chamber and preparation method thereof are as follows:
Raw material weighs: 24 parts of polystyrene, 12 parts of polytetrafluoroethylene (PTFE), 10 parts of POLYPROPYLENE GLYCOL, nano-TiO20.48 part, nanometer
SiO20.23 part, 0.30 part of expanded and vitrified small ball, 0.12 part of zeolite, 1.5 parts of 1- methyl cyclopropene, 2.0 parts of titanate coupling agent,
2.8 parts of foaming agent；
The preparation of modified auxiliary material: nano-TiO is taken20.48 part, Nano-meter SiO_220.23 part, 0.30 part of expanded and vitrified small ball, zeolite
0.12 part is added in isopropanol, is stirred 30min by magnetic stirring apparatus, then re-ultrasonic dispersion 15min adds titanium
2.0 parts of acid esters coupling agent, water the high-speed stirred 30min at 80 DEG C, then ultrasonic evaporating solution 30min under the conditions of 80 DEG C again,
Rotary evaporation removes isopropyl alcohol and water, is finally dried to obtain modified auxiliary material；
By 24 parts of polystyrene, 12 parts of polytetrafluoroethylene (PTFE), 10 parts of POLYPROPYLENE GLYCOL, modified auxiliary material, 1.5 parts of 1- methyl cyclopropene, hair
2.8 parts of infusion be sufficiently mixed after be sent into kneading machine in, 4min is kneaded at 130 DEG C, gained mixed material is finally transferred to injection molding
Bubble chamber is obtained by injection molding in machine；
It selects maturity to be placed in faintly acid electric potential water for 7, no disease and pests harm, the banana having no mechanical damage and carries out ultrasonic cleaning,
50 DEG C of cleaning temperature of setting, time 9min, power 550W are drained after then pulling out；
The banana drained is placed in low voltage electrostatic field device, it is 2 layers that banana, which stacks height, is 2.5kV/m, electricity in output voltage
120min is handled in the electric field that stream is 0.2mA；
Banana after electric field treatment is immersed in coating liquid and carries out coating problems, is packed after dry with bubble chamber；
Packaged banana is sent into the freezer that temperature is 15 DEG C and carries out pre-cooling 13h, the banana after pre-cooling is transferred to storage
Low-pressure storage is carried out in library, it is 12kPa that preceding 15d, which keeps the vacuum pressure in subatmospheric pressure storage library, and temperature is 13 DEG C, and relative humidity is
The vacuum pressure that 84%, 16 ~ 20d of mid-term adjust storage is 25kPa, and temperature is 13 DEG C, and relative humidity is 95 DEG C, is store in banana
It is 75kPa that 21 ~ 40d of the later period of hiding, which adjusts storage vacuum pressure, and temperature is 12.5 DEG C, relative humidity 95%.
In order to verify the effect of storage practice of the present invention, method of the invention is applied in the Preservation Treatment of banana.It chooses
The new fresh bananas selecting uniform in size, no disease and pests harm, having no mechanical damage is divided into 6 groups by weight, and 1 ~ 5 group is respectively adopted implementation
The method of example 1 ~ 5 handles it, and the 6th group of banana is handled using preservation technology similar in the market as control group,
Organoleptic indicator, the hardness, rotting rate, weight-loss ratio, soluble solid content, dimension life of each group Banana swatches are measured after storage 40 days
Plain C content.It is as shown in the table to measure situation.
1 banana storage of table test case after 40 days.
The above embodiment of the present invention scheme is only the description of the invention and cannot limit the present invention, is pointed out in claim
Product of the present invention constituent, component ratio, the range of preparation method parameter, and above-mentioned explanation does not point out ginseng of the present invention
Therefore several ranges any change within the meaning and scope equivalent to the claims of the present invention, is all considered to be
It is included within the scope of the claims.
The present invention is created by multidigit banana fresh-keeping technical staff's long-term work experience accumulation, and by creative work
And go out, method of the invention can effectively delay the aging of banana, reduce the banana flavor nutriment loss of banana, effectively mention
The storage quality of high banana, application value with higher.
Claims (2)
1. a kind of method that banana storage is fresh-keeping, characterized in that the following steps are included:
Step 1) selects maturity to be placed in faintly acid electric potential water for 7, no disease and pests harm, the banana having no mechanical damage and carries out ultrasonic wave
Cleaning is arranged 35 ~ 50 DEG C of cleaning temperature, and the time is 8 ~ 10min, and power is 500 ~ 600W, is drained after then pulling out；
The banana drained is placed in low voltage electrostatic field device by step 2), and it is 1 ~ 3 layer that banana, which stacks height, is in output voltage
120 ~ 180min is handled in 2.5kV/m, the electric field that electric current is 0.2mA；
Step 3), which immerses the banana after electric field treatment in coating liquid, carries out coating problems, is packed after dry with bubble chamber；
Packaged banana is sent into the freezer that temperature is 13 ~ 15 DEG C and carries out 12 ~ 15h of pre-cooling by step 4), by the perfume (or spice) after pre-cooling
Any of several broadleaf plants, which is transferred in storage, carries out Low-pressure storage, and it is 10 ~ 20kPa that preceding 15d, which keeps the vacuum pressure in subatmospheric pressure storage library, and temperature is
13 ~ 14 DEG C, relative humidity is 80 ~ 85%, and the vacuum pressure that 16 ~ 20d adjusts storage is 20 ~ 30kPa, and temperature is 12 ~ 13 DEG C,
Relative humidity is 90 ~ 95 DEG C, and adjusting storage vacuum pressure in 21 ~ 40d of the later period of banana storage is 60 ~ 80kPa, temperature 12
~ 13 DEG C, relative humidity is 93 ~ 98%；
Each raw material composition weight fraction ratio of the coating liquid and preparation method thereof are as follows:
A. raw material weighs: weighing 20 ~ 25 parts of starch, 6 ~ 8 parts of sucrose fatty ester, 6 ~ 8 parts of glycerol, sweet respectively by ratio of weight and the number of copies
3 ~ 4 parts of propylhomoserin, 2 ~ 3 parts of tea polyphenols, 8 ~ 10 parts of chitosan, 2 ~ 5 parts of poly-D-lysine, 8 ~ 10 parts of false acid pulp, 8 ~ 10 parts of bracketplant, perfume
6 ~ 8 parts of thatch, 4 ~ 6 parts of cordate houttuynia, 3 ~ 5 parts of honeysuckle, 3 ~ 5 parts of aloe, 2 ~ 4 parts of purple perilla, 1 ~ 2 part of cloves, 2 ~ 3 parts of peppermint, gallbladder
2 ~ 4 parts of grass；
B. by 8 ~ 10 parts of false acid pulp, 8 ~ 10 parts of bracketplant, 6 ~ 8 parts of lemongrass, 4 ~ 6 parts of cordate houttuynia, 3 ~ 5 parts of honeysuckle, 3 ~ 5 parts of aloe,
Mixed-powder is obtained after 2 ~ 4 parts of 2 ~ 4 parts of purple perilla, 1 ~ 2 part of cloves, 2 ~ 3 parts of peppermint, elephants-foot progress co-grindings, by mixed powder
It is 1: 12 that end, which is added in the ethanol solution that volume fraction is 50% and forms solid-liquid ratio, then impregnates 9h at a temperature of 50 ~ 60 DEG C, benefit
Mixture is squeezed into feed pump and carries out Microwave Extraction in Microwave Extraction device, Extracting temperature be 70 ~ 75 DEG C, extraction time be 20 ~
Extracting solution is carried out film filtering, with being dried with nitrogen to obtain mixed powder by 30min；
C. 8 ~ 10 parts of chitosan are taken to be dissolved in the acetum that volumetric concentration is 2%, 4000r/min is centrifuged after magnetic agitation 1h
10min removes solution impurity and obtains supernatant；20 ~ 25 parts of starch are dissolved in the distilled water boiled, is added to after cooling above-mentioned
In supernatant, then adds 6 ~ 8 parts of sucrose fatty ester, 6 ~ 8 parts of glycerol, 3 ~ 4 parts of glycine, 2 ~ 3 parts of tea polyphenols, poly and rely ammonia
Progress ultrasonic degassing 30min obtains coating liquid after 2 ~ 5 parts of acid, mixed powder are stirred 25 ~ 30min；
Each raw material composition weight fraction ratio of the bubble chamber and preparation method thereof are as follows:
A. raw material weighs: 20 ~ 25 parts of polystyrene, 10 ~ 12 parts of polytetrafluoroethylene (PTFE), 8 ~ 12 parts of POLYPROPYLENE GLYCOL, nano-TiO20.4~
0.5 part, Nano-meter SiO_220.20 ~ 0.25 part, 0.20 ~ 0.30 part of expanded and vitrified small ball, 0.10 ~ 0.20 part of zeolite, 1- methyl cyclopropyl
1.0 ~ 2.0 parts of alkene, 1.0 ~ 2.0 parts of titanate coupling agent, 2.0 ~ 3.0 parts of foaming agent；
B. it is modified the preparation of auxiliary material: taking nano-TiO20.4 ~ 0.5 part, Nano-meter SiO_220.20 ~ 0.25 part, expanded and vitrified small ball 0.20 ~
0.30 part, 0.10 ~ 0.20 part of zeolite is added in isopropanol, is stirred 30min by magnetic stirring apparatus, and then ultrasound is divided again
Scattered 15min adds 1.0 ~ 2.0 parts of titanate coupling agent, water the high-speed stirred 30min at 80 DEG C, then again under the conditions of 80 DEG C
Ultrasonic evaporating solution 30min, rotary evaporation remove isopropyl alcohol and water, are finally dried to obtain modified auxiliary material；
C. by 20 ~ 25 parts of polystyrene, 10 ~ 12 parts of polytetrafluoroethylene (PTFE), 8 ~ 12 parts of POLYPROPYLENE GLYCOL, modified auxiliary material, 1- methyl cyclopropyl
1.0 ~ 2.0 parts of alkene, 2.0 ~ 3.0 parts of foaming agent be sufficiently mixed after be sent into kneading machine in, at 120 ~ 130 DEG C be kneaded 3 ~ 5min, most
Gained mixed material is transferred in injection molding machine afterwards and obtains bubble chamber by injection molding.
2. a kind of fresh-keeping method of banana storage according to claim 1, characterized in that the starch is corn shallow lake
Powder, sweet potato starch, tapioca, potato starch, glutinous rice starch.
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| CN201811085856.8A CN109393015A (en) | 2018-09-18 | 2018-09-18 | A kind of method that banana storage is fresh-keeping |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938491A (en) * | 2019-03-16 | 2019-06-28 | 杭州西克制冷设备有限公司 | A kind of fresh-keeping hot pot table and preservation method |
| CN112056388A (en) * | 2020-09-14 | 2020-12-11 | 北京鉴真保鲜科技有限公司 | Method for inhibiting banana after-ripening spots |
| CN113439783A (en) * | 2021-06-25 | 2021-09-28 | 湖南省林业科学院 | Banana fresh-keeping film coating agent and preparation method thereof |
-
2018
- 2018-09-18 CN CN201811085856.8A patent/CN109393015A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938491A (en) * | 2019-03-16 | 2019-06-28 | 杭州西克制冷设备有限公司 | A kind of fresh-keeping hot pot table and preservation method |
| CN112056388A (en) * | 2020-09-14 | 2020-12-11 | 北京鉴真保鲜科技有限公司 | Method for inhibiting banana after-ripening spots |
| CN113439783A (en) * | 2021-06-25 | 2021-09-28 | 湖南省林业科学院 | Banana fresh-keeping film coating agent and preparation method thereof |
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