CN110100879A - A kind of preservation method suitable for agrocybe logistics transportation - Google Patents
A kind of preservation method suitable for agrocybe logistics transportation Download PDFInfo
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- 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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- 241000222532 Agrocybe Species 0.000 title claims abstract description 141
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004321 preservation Methods 0.000 title claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 49
- 238000005057 refrigeration Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000005194 fractionation Methods 0.000 claims abstract description 8
- 230000008595 infiltration Effects 0.000 claims abstract description 8
- 238000001764 infiltration Methods 0.000 claims abstract description 8
- 210000002686 mushroom body Anatomy 0.000 claims description 45
- 238000001816 cooling Methods 0.000 claims description 27
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 26
- 239000007789 gas Substances 0.000 claims description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000009966 trimming Methods 0.000 claims description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 229920001131 Pulp (paper) Polymers 0.000 claims description 10
- 229920001661 Chitosan Polymers 0.000 claims description 9
- 235000009024 Ceanothus sanguineus Nutrition 0.000 claims description 8
- 240000003553 Leptospermum scoparium Species 0.000 claims description 8
- 235000015459 Lycium barbarum Nutrition 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 230000001954 sterilising effect Effects 0.000 claims description 8
- 238000004659 sterilization and disinfection Methods 0.000 claims description 8
- 238000003306 harvesting Methods 0.000 claims description 7
- 239000011229 interlayer Substances 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims 1
- 238000003860 storage Methods 0.000 description 8
- 230000032683 aging Effects 0.000 description 7
- 229960004424 carbon dioxide Drugs 0.000 description 7
- 229910002090 carbon oxide Inorganic materials 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 5
- 241001122767 Theaceae Species 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000004320 controlled atmosphere Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000004060 metabolic process Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 208000001034 Frostbite Diseases 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 229940062097 nitrogen 90 % Drugs 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/02—Dehydrating; Subsequent reconstitution
-
- 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
- A23B7/02—Dehydrating; Subsequent reconstitution
- A23B7/024—Freeze-drying, i.e. cryodessication or lyophilisation
-
- 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
- A23B7/0425—Freezing; 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
-
- 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
- A23B7/05—Freezing; 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
- A23B7/055—Freezing; 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
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23B7/148—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/153—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
- A23B7/154—Organic compounds; Microorganisms; Enzymes
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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- 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
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%。
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