CN110100879A - A kind of preservation method suitable for agrocybe logistics transportation - Google Patents

A kind of preservation method suitable for agrocybe logistics transportation Download PDF

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Publication number
CN110100879A
CN110100879A CN201910341420.9A CN201910341420A CN110100879A CN 110100879 A CN110100879 A CN 110100879A CN 201910341420 A CN201910341420 A CN 201910341420A CN 110100879 A CN110100879 A CN 110100879A
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agrocybe
refrigerating chamber
temperature
adjusted
fresh
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Inventor
张正周
郭奇亮
刘继
郑旗
樊雪飞
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Chengdu Academy of Agriculture and Forestry Sciences
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Chengdu Academy of Agriculture and Forestry Sciences
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Priority to CN201910341420.9A priority Critical patent/CN110100879A/en
Publication of CN110100879A publication Critical patent/CN110100879A/en
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/02Dehydrating; Subsequent reconstitution
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/02Dehydrating; Subsequent reconstitution
    • A23B7/024Freeze-drying, i.e. cryodessication or lyophilisation
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/04Freezing; Subsequent thawing; Cooling
    • A23B7/0425Freezing; Subsequent thawing; Cooling the material not being transported through or in the apparatus, with or without shaping, e.g. in the form of powder, granules or flakes
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/04Freezing; Subsequent thawing; Cooling
    • A23B7/05Freezing; Subsequent thawing; Cooling with addition of chemicals or treatment with chemicals other than cryogenics, before or during cooling, e.g. in the form of an ice coating or frozen block
    • A23B7/055Freezing; Subsequent thawing; Cooling with addition of chemicals or treatment with chemicals other than cryogenics, before or during cooling, e.g. in the form of an ice coating or frozen block with direct contact between the food and the chemical, e.g. liquid nitrogen, at cryogenic temperature
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/14Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/144Preserving 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
    • A23B7/148Preserving 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
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/14Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/153Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
    • A23B7/154Organic compounds; Microorganisms; Enzymes
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Microbiology (AREA)
  • Storage Of Fruits Or Vegetables (AREA)

Abstract

The invention discloses a kind of preservation methods suitable for agrocybe logistics transportation, the following steps are included: agrocybe is pre-processed, it is handled according to agrocybe size fractionation, including: classification low temperature drying, the fresh-keeping liquid of classification infiltration, classification is quick-frozen, is classified vanning refrigeration, by the way that agrocybe classification is handled, to reduce the loss after product is adopted in transit, improve added value of product, using low temperature drying, quick-frozen and etc. in treatment process, it effectively prevent agrocybe to be damaged or damage during transportation, extends agrocybe shelf life.

Description

A kind of preservation method suitable for agrocybe logistics transportation
Technical field
The present invention relates to agrocybe preservation fields, more particularly to a kind of preservation method suitable for agrocybe logistics transportation.
Background technique
In existing agrocybe storage technique, mainly freezer and air-conditioned cold store is stored on the spot, both storage sides In method, air conditioned storage be on the basis of Storage in cold bank change storage environment in gas componant achieve the effect that it is fresh-keeping, however Both methods is to store on the spot, is unsuitable for the transport storage of agrocybe, in transit or in sales process, does not have still now There is good preservation method.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of fresh-keeping sides suitable for agrocybe logistics transportation Method to reduce the loss after product is adopted in transit, improves added value of product, processes by handling agrocybe classification Using low temperature drying, quick-frozen and etc. in journey, agrocybe is effectively prevent to be damaged or damage during transportation.
The purpose of the present invention is achieved through the following technical solutions: a kind of fresh-keeping side suitable for agrocybe logistics transportation Method, comprising the following steps:
(1) it pre-processes: carrying out trimming classification when harvesting agrocybe, placed according to the size fractionation of mushroom body, mushroom body is short In 10cm, agrocybe of the diameter lower than 10cm is placed in the first refrigerating chamber, mushroom body is shorter than 10cm, diameter is higher than the tea of 10cm Tree mushroom is placed in the second refrigerating chamber, and mushroom body is longer than 10cm, and agrocybe of the diameter lower than 10cm is placed in third refrigerating chamber, Mushroom body is longer than 10cm, agrocybe of the diameter higher than 10cm is placed in the 4th refrigerating chamber;
It is placed by the way that agrocybe to be classified, mushroom body that can be little to difference be convenient for condition processing so that different The mushroom body of grade can also obtain identical processing result.
(2) the first indoor temperature of refrigeration low temperature drying: is adjusted to -2~0 DEG C and 15~20min of cooling and drying agrocybe; The second indoor temperature of refrigeration is adjusted to -2~0 DEG C and 22~27min of cooling and drying agrocybe;Third refrigerates indoor temperature tune To -2~0 DEG C and 23~30min of cooling and drying agrocybe;The 4th indoor temperature of refrigeration is adjusted to -2~0 DEG C and cooling and drying tea Set 32~40min of mushroom;
Agrocybe can be pre-chilled during low temperature drying, remove mushroom body from field bring heat, to delay Accretion rate delays later period dehydration, flavescence or rotten soft, the quality of agrocybe fresh goods is kept to ensure that at different levels after classification processing Precooling temperature is roughly the same, and the second refrigerating chamber refrigerates indoor mushroom body overall volume with third and is not much different, therefore needs cooling and drying Time phase difference it is little, keep same temperature range, be that can control the dryin-up points of different grade agrocybes by control temperature fall time, Convenient for management.
Low temperature drying uses micro- drying, accelerates the drying of its surface moisture while fixing agrocybe original-shape, reduces it Respiration retains in vivo compared with juicy, will not make here agrocybe withers, shape when it being made farthest to maintain picking, Conducive to extension fresh keeping time.
(3) it coats fresh-keeping layer: the agrocybe of every level-one is infiltrated respectively under respective temperature in refrigerating chamber in fresh-keeping liquid In, and 5~10min is maintained, fresh-keeping liquid body is applied covered with agrocybe surface, micro- dry removal natural environment gives its After surface moisture, then fresh-keeping liquid is infiltrated, the concentration of fresh-keeping liquid will not be reduced, and then fresh-keeping quality will not be reduced;
(4) quick-frozen: after agrocybe infiltration completely, the first temperature in refrigerating chamber is adjusted to subzero 3~5 DEG C and maintain 10~ Second temperature in refrigerating chamber is adjusted to subzero 6~8 DEG C and maintains 10~20min, by third temperature in refrigerating chamber tune by 20min Whole to subzero 6~9 DEG C and 10~20min is maintained, the 4th temperature in refrigerating chamber is adjusted to subzero 10~13 DEG C and maintain 10~ 20min;
Agrocybe surface is impregnated with fresh-keeping liquid, and when quick-frozen, agrocybe surface condenses into protective layer, has while fresh-keeping Certain degree of hardness avoids causing mechanical damage during transportation, quick-frozen to the agrocybe subregion of different stage, by controlling its speed Freeze temperature, agrocybe can be made to reach same apparent freezing point, it will not frostbite agrocybe.Second refrigerating chamber and third refrigerate indoor mushroom Body overall volume is not much different, therefore needs quick-frozen temperature difference little, is kept for the same quick-frozen time, is by controlling quick freezing temperature The apparent freezing point of controllable agrocybe not at the same level, convenient for management.
(5) vanning refrigeration: after quick-frozen, agrocybes at different levels are piled up in refrigerating box respectively, between interlayer wood pulp paper Every described refrigeration the temperature inside the box is 0~5 DEG C.
It refrigerates and equally wraps up agrocybe using wood pulp paper on tank wall, in this way, agrocybe is fully seated among wood pulp paper, In transportational process, even if encountering situation of jolting, agrocybe is also to shake between wood pulp paper, and shockproof effect is good.
In the step (1), low temperature drying step is entered back into after carrying out sterilization treatment to agrocybe using ultraviolet light, it is ultraviolet Cause of disease bacterium amount entrained on agrocybe can be decreased to minimum by sterilization, guarantee that agrocybe will not be by microbial infection.
Fresh-keeping liquid is the chitosan solution that concentration is 1.0%~2.0%, chitosan and its derivative in the step (3) Object has preferable antibacterial activity, can inhibit the growth and breeding of some fungies, bacterium and virus, further prevent to a certain extent Only agrocybe is infected, and carries out coating-film fresh-keeping with chitosan, and film layer has permeability, water preventing ability, can be to various gases Molecule increases penetration resistance, forms a kind of micro- controlled atmosphere environment, increases the carbon dioxide content in agrocybe tissue, oxygen contains Amount reduces, it is suppressed that the respiratory metabolism of agrocybe and moisture loss slow down agrocybe tissue and structure aging, to effectively prolong Long agrocybe adopts the rear service life.
In the step (5), filled with fresh-keeping gas, the ratio of the fresh-keeping gas in refrigerating box are as follows: oxygen 3~7%, two Carbonoxide 2~5%, nitrogen 88%~95%, the gas being filled with are able to suppress the respiration of agrocybe, reduce organic substance Consumption, keeps the superior flavor and aromatic odor of agrocybe;Inhibit the activity of certain after-ripening enzymes, Delay of ripeness and aging simultaneously Journey makes agrocybe have longer shelf life.
The beneficial effects of the present invention are:
1) agrocybe is subjected to classification placement, is individually handled for different size of agrocybe, so that tea tree at different levels Index of correlation inside mushroom is on the whole consistent, and fresh-keeping liquid is quickly coated on agrocybe surface using quick-frozen mode, avoids tea tree Mushroom is infected, and the fresh-keeping liquid on surface congeals into ice, but also agrocybe has certain degree of hardness, is avoided during transportation because touching It hits and damages.
2) while low temperature drying, it will be able to field heat is removed, it is time saving and energy saving.
3) controlled atmosphere technology is used, the physiological metabolism variation for inhibiting agrocybe vigorous reaches to reduce nutrition deterioration Long-term storage, the purpose for keeping quality, it is low in cost.
Specific embodiment
Below in conjunction with embodiment, technical solution of the present invention is clearly and completely described, it is clear that described Embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field Technical staff's every other embodiment obtained under the premise of not making the creative labor belongs to what the present invention protected Range.
Embodiment one
A kind of preservation method suitable for agrocybe logistics transportation, comprising the following steps:
(1) it pre-processes: carrying out trimming classification when harvesting agrocybe, sundries when trimming on removing mushroom body simultaneously rejects breakage Mushroom, misshapen mushroom, aging mushroom.
It is placed according to the size fractionation of mushroom body, mushroom body is shorter than 10cm, agrocybe of the diameter lower than 10cm is placed in first In refrigerating chamber, mushroom body is shorter than 10cm, agrocybe of the diameter higher than 10cm is placed in the second refrigerating chamber, mushroom body is longer than 10cm, agrocybe of the diameter lower than 10cm are placed in third refrigerating chamber, mushroom body are longer than 10cm, diameter is higher than the tea tree of 10cm Mushroom is placed in the 4th refrigerating chamber;
Low temperature drying step is entered back into after carrying out sterilization treatment to agrocybe using ultraviolet light.
(2) the first indoor temperature of refrigeration low temperature drying: is adjusted to -2 DEG C and cooling and drying agrocybe 15min;Second is cold It hides indoor temperature and is adjusted to -2 DEG C and cooling and drying agrocybe 22min;Third refrigerates indoor temperature and is adjusted to -2 DEG C and cools down dry Dry agrocybe 23min;The 4th indoor temperature of refrigeration is adjusted to -2 DEG C and cooling and drying agrocybe 32min;
(3) it coats fresh-keeping layer: the agrocybe of every level-one is infiltrated respectively under respective temperature in refrigerating chamber in fresh-keeping liquid In, and 5min is maintained, fresh-keeping liquid is the chitosan solution that concentration is 1.0%;
(4) quick-frozen: after agrocybe infiltration completely, the first temperature in refrigerating chamber is adjusted to subzero 3 DEG C and maintains 10min, Second temperature in refrigerating chamber is adjusted to subzero 6 DEG C and maintains 10min, third temperature in refrigerating chamber is adjusted to subzero 6 DEG C simultaneously 10min is maintained, the 4th temperature in refrigerating chamber is adjusted to subzero 10 DEG C and maintains 10min;
(5) vanning refrigeration: after quick-frozen, agrocybes at different levels are piled up in refrigerating box respectively, between interlayer wood pulp paper Every described refrigeration the temperature inside the box is 0 DEG C.Filled with fresh-keeping gas, the ratio of the fresh-keeping gas in refrigerating box are as follows: oxygen 3%, two Carbonoxide 2%, nitrogen 88%.
Embodiment two
A kind of preservation method suitable for agrocybe logistics transportation, comprising the following steps:
(1) it pre-processes: carrying out trimming classification when harvesting agrocybe, sundries when trimming on removing mushroom body simultaneously rejects breakage Mushroom, misshapen mushroom, aging mushroom.
It is placed according to the size fractionation of mushroom body, mushroom body is shorter than 10cm, agrocybe of the diameter lower than 10cm is placed in first In refrigerating chamber, mushroom body is shorter than 10cm, agrocybe of the diameter higher than 10cm is placed in the second refrigerating chamber, mushroom body is longer than 10cm, agrocybe of the diameter lower than 10cm are placed in third refrigerating chamber, mushroom body are longer than 10cm, diameter is higher than the tea tree of 10cm Mushroom is placed in the 4th refrigerating chamber;
Low temperature drying step is entered back into after carrying out sterilization treatment to agrocybe using ultraviolet light.
(2) the first indoor temperature of refrigeration low temperature drying: is adjusted to -1.5 DEG C and cooling and drying agrocybe 16min;Second It refrigerates indoor temperature and is adjusted to -1.5 DEG C and cooling and drying agrocybe 24min;Third refrigerates indoor temperature and is adjusted to -1.5 DEG C simultaneously Cooling and drying agrocybe 30min;The 4th indoor temperature of refrigeration is adjusted to -1.5 DEG C and cooling and drying agrocybe 34min;
(3) it coats fresh-keeping layer: the agrocybe of every level-one is infiltrated respectively under respective temperature in refrigerating chamber in fresh-keeping liquid In, and 6min is maintained, fresh-keeping liquid is the chitosan solution that concentration is 1.2%;
(4) quick-frozen: after agrocybe infiltration completely, the first temperature in refrigerating chamber to be adjusted to subzero 3.5 DEG C and maintained Second temperature in refrigerating chamber is adjusted to subzero 6.5 DEG C and maintains 12min, third temperature in refrigerating chamber is adjusted to zero by 12min Lower 7 DEG C and 12min is maintained, the 4th temperature in refrigerating chamber is adjusted to subzero 11 DEG C and maintains 12min;
(5) vanning refrigeration: after quick-frozen, agrocybes at different levels are piled up in refrigerating box respectively, between interlayer wood pulp paper Every described refrigeration the temperature inside the box is 1 DEG C.Filled with fresh-keeping gas, the ratio of the fresh-keeping gas in refrigerating box are as follows: oxygen 4%, two Carbonoxide 3%, nitrogen 90%.
Embodiment three
A kind of preservation method suitable for agrocybe logistics transportation, comprising the following steps:
(1) it pre-processes: carrying out trimming classification when harvesting agrocybe, sundries when trimming on removing mushroom body simultaneously rejects breakage Mushroom, misshapen mushroom, aging mushroom.
It is placed according to the size fractionation of mushroom body, mushroom body is shorter than 10cm, agrocybe of the diameter lower than 10cm is placed in first In refrigerating chamber, mushroom body is shorter than 10cm, agrocybe of the diameter higher than 10cm is placed in the second refrigerating chamber, mushroom body is longer than 10cm, agrocybe of the diameter lower than 10cm are placed in third refrigerating chamber, mushroom body are longer than 10cm, diameter is higher than the tea tree of 10cm Mushroom is placed in the 4th refrigerating chamber;
Low temperature drying step is entered back into after carrying out sterilization treatment to agrocybe using ultraviolet light.
(2) the first indoor temperature of refrigeration low temperature drying: is adjusted to -1 DEG C and cooling and drying agrocybe 17min;Second is cold It hides indoor temperature and is adjusted to -1 DEG C and cooling and drying agrocybe 25min;Third refrigerates indoor temperature and is adjusted to -1 DEG C and cools down dry Dry agrocybe 31min;The 4th indoor temperature of refrigeration is adjusted to -1 DEG C and cooling and drying agrocybe 37min;
(3) it coats fresh-keeping layer: the agrocybe of every level-one is infiltrated respectively under respective temperature in refrigerating chamber in fresh-keeping liquid In, and 7min is maintained, fresh-keeping liquid is the chitosan solution that concentration is 1.4%;
(4) quick-frozen: after agrocybe infiltration completely, the first temperature in refrigerating chamber is adjusted to subzero 4 DEG C and maintains 14min, Second temperature in refrigerating chamber is adjusted to subzero 7 DEG C and maintains 14min, third temperature in refrigerating chamber is adjusted to subzero 8 DEG C simultaneously 14min is maintained, the 4th temperature in refrigerating chamber is adjusted to subzero 12 DEG C and maintains 14min;
(5) vanning refrigeration: after quick-frozen, agrocybes at different levels are piled up in refrigerating box respectively, between interlayer wood pulp paper Every described refrigeration the temperature inside the box is 2 DEG C.Filled with fresh-keeping gas, the ratio of the fresh-keeping gas in refrigerating box are as follows: oxygen 5%, two Carbonoxide 4%, nitrogen 92%.
Example IV
A kind of preservation method suitable for agrocybe logistics transportation, comprising the following steps:
(1) it pre-processes: carrying out trimming classification when harvesting agrocybe, sundries when trimming on removing mushroom body simultaneously rejects breakage Mushroom, misshapen mushroom, aging mushroom.
It is placed according to the size fractionation of mushroom body, mushroom body is shorter than 10cm, agrocybe of the diameter lower than 10cm is placed in first In refrigerating chamber, mushroom body is shorter than 10cm, agrocybe of the diameter higher than 10cm is placed in the second refrigerating chamber, mushroom body is longer than 10cm, agrocybe of the diameter lower than 10cm are placed in third refrigerating chamber, mushroom body are longer than 10cm, diameter is higher than the tea tree of 10cm Mushroom is placed in the 4th refrigerating chamber;
Low temperature drying step is entered back into after carrying out sterilization treatment to agrocybe using ultraviolet light.
(2) the first indoor temperature of refrigeration low temperature drying: is adjusted to -0.5 DEG C and cooling and drying agrocybe 18min;Second It refrigerates indoor temperature and is adjusted to -0.5 DEG C and cooling and drying agrocybe 28min;Third refrigerates indoor temperature and is adjusted to -0.5 DEG C simultaneously Cooling and drying agrocybe 32min;The 4th indoor temperature of refrigeration is adjusted to -0.5 DEG C and cooling and drying agrocybe 38min;
(3) it coats fresh-keeping layer: the agrocybe of every level-one is infiltrated respectively under respective temperature in refrigerating chamber in fresh-keeping liquid In, and 8min is maintained, fresh-keeping liquid is the chitosan solution that concentration is 1.7%;
(4) quick-frozen: after agrocybe infiltration completely, the first temperature in refrigerating chamber is adjusted to subzero 4 DEG C and maintains 18min, Second temperature in refrigerating chamber is adjusted to subzero 7.5 DEG C and maintains 17min, third temperature in refrigerating chamber is adjusted to subzero 9 DEG C And 17min is maintained, the 4th temperature in refrigerating chamber is adjusted to subzero 12 DEG C and maintains 17min;
(5) vanning refrigeration: after quick-frozen, agrocybes at different levels are piled up in refrigerating box respectively, between interlayer wood pulp paper Every described refrigeration the temperature inside the box is 4 DEG C.Filled with fresh-keeping gas, the ratio of the fresh-keeping gas in refrigerating box are as follows: oxygen 6%, two Carbonoxide 4%, nitrogen 93%.
Embodiment five
A kind of preservation method suitable for agrocybe logistics transportation, comprising the following steps:
(1) it pre-processes: carrying out trimming classification when harvesting agrocybe, sundries when trimming on removing mushroom body simultaneously rejects breakage Mushroom, misshapen mushroom, aging mushroom.
It is placed according to the size fractionation of mushroom body, mushroom body is shorter than 10cm, agrocybe of the diameter lower than 10cm is placed in first In refrigerating chamber, mushroom body is shorter than 10cm, agrocybe of the diameter higher than 10cm is placed in the second refrigerating chamber, mushroom body is longer than 10cm, agrocybe of the diameter lower than 10cm are placed in third refrigerating chamber, mushroom body are longer than 10cm, diameter is higher than the tea tree of 10cm Mushroom is placed in the 4th refrigerating chamber;
Low temperature drying step is entered back into after carrying out sterilization treatment to agrocybe using ultraviolet light.
(2) the first indoor temperature of refrigeration low temperature drying: is adjusted to 0 DEG C and cooling and drying agrocybe 20min;Second refrigeration Indoor temperature is adjusted to 0 DEG C and cooling and drying agrocybe 30min;Third refrigerates indoor temperature and is adjusted to 0 DEG C and cooling and drying tea Set mushroom 34min;The 4th indoor temperature of refrigeration is adjusted to 0 DEG C and cooling and drying agrocybe 40min;
(3) it coats fresh-keeping layer: the agrocybe of every level-one is infiltrated respectively under respective temperature in refrigerating chamber in fresh-keeping liquid In, and 10min is maintained, fresh-keeping liquid is the chitosan solution that concentration is 2.0%;
(4) quick-frozen: after agrocybe infiltration completely, the first temperature in refrigerating chamber is adjusted to subzero 5 DEG C and maintains 20min, Second temperature in refrigerating chamber is adjusted to subzero 8 DEG C and maintains 20min, third temperature in refrigerating chamber is adjusted to subzero 10 DEG C simultaneously 20min is maintained, the 4th temperature in refrigerating chamber is adjusted to subzero 13 DEG C and maintains 20min;
(5) vanning refrigeration: after quick-frozen, agrocybes at different levels are piled up in refrigerating box respectively, between interlayer wood pulp paper Every described refrigeration the temperature inside the box is 5 DEG C.Filled with fresh-keeping gas, the ratio of the fresh-keeping gas in refrigerating box are as follows: oxygen 7%, two Carbonoxide 5%, nitrogen 95%.
Comparative example
It is fresh-keeping using conventional controlled atmosphere mode, and agrocybe is put and is transported as in turnover box.
It is as shown in the table with deterioration rate (unit: day) for agrocybe fresh keeping time in embodiment and comparative example:
Deterioration rate 5% Deterioration rate 10% Deterioration rate 15%
Embodiment one 20 24 28
Embodiment two 23 26 30
Embodiment three 19 22 25
Example IV 21 23 27
Embodiment five 18 22 26
Comparative example 9 12 16
As can be seen from the table, using the integration mode of different storage agrocybes, protect it in Cold Chain Circulation, transport The fresh period extends under the conditions of close to 1 times than normal temperature environment, and then effectively extends shelf life.
The above is only a preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein Form should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and can be at this In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be within the scope of protection of the appended claims of the present invention.

Claims (4)

1. a kind of preservation method suitable for agrocybe logistics transportation, which is characterized in that include the following steps,
(1) it pre-processes: carrying out trimming classification when harvesting agrocybe, placed according to the size fractionation of mushroom body, mushroom body is shorter than 10cm, agrocybe of the diameter lower than 10cm are placed in the first refrigerating chamber, mushroom body are shorter than 10cm, diameter is higher than the tea tree of 10cm Mushroom is placed in the second refrigerating chamber, and mushroom body is longer than 10cm, and agrocybe of the diameter lower than 10cm is placed in third refrigerating chamber, will Mushroom body is longer than 10cm, and agrocybe of the diameter higher than 10cm is placed in the 4th refrigerating chamber;
(2) the first indoor temperature of refrigeration low temperature drying: is adjusted to -2 ~ 0 DEG C and 15 ~ 20min of cooling and drying agrocybe;Second is cold It hides indoor temperature and is adjusted to -2 ~ 0 DEG C and 22 ~ 27min of cooling and drying agrocybe;Third refrigerates indoor temperature and is adjusted to -2 ~ 0 DEG C simultaneously 23 ~ 30min of cooling and drying agrocybe;The 4th indoor temperature of refrigeration is adjusted to -2 ~ 0 DEG C and 32 ~ 40min of cooling and drying agrocybe;
(3) it coats fresh-keeping layer: the agrocybe of every level-one is infiltrated in fresh-keeping liquid respectively under respective temperature in refrigerating chamber, and Maintain 5 ~ 10min;
(4) quick-frozen: after agrocybe infiltration completely, the first temperature in refrigerating chamber is adjusted to subzero 3 ~ 5 DEG C to and is maintained 10 ~ 20min, Second temperature in refrigerating chamber is adjusted to subzero 6 ~ 8 DEG C to and maintained 10 ~ 20min, third temperature in refrigerating chamber is adjusted to subzero 6 ~ 9 DEG C and 10 ~ 20min of maintenance, the 4th temperature in refrigerating chamber is adjusted to subzero 10 ~ 13 DEG C and maintains 10 ~ 20min;
(5) vanning refrigeration: after quick-frozen, agrocybes at different levels are piled up in refrigerating box respectively, interlayer wood pulp paper interval, institute Stating refrigeration the temperature inside the box is 0~5 DEG C.
2. a kind of preservation method suitable for agrocybe logistics transportation according to claim 1, it is characterised in that: the step (1) in, low temperature drying step is entered back into after carrying out sterilization treatment to agrocybe using ultraviolet light.
3. a kind of preservation method suitable for agrocybe logistics transportation according to claim 1, it is characterised in that: the step (3) fresh-keeping liquid is the chitosan solution that concentration is 1.0%~2.0% in.
4. a kind of preservation method suitable for agrocybe logistics transportation according to claim 1, it is characterised in that: the step (5) in, filled with fresh-keeping gas, the ratio of the fresh-keeping gas in refrigerating box are as follows: oxygen 3 ~ 7%, carbon dioxide 2 ~ 5%, nitrogen 88% ~95%。
CN201910341420.9A 2019-04-26 2019-04-26 A kind of preservation method suitable for agrocybe logistics transportation Pending CN110100879A (en)

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Application publication date: 20190809