CN109169888A - A kind of innoxious preservation method of citrus fruit - Google Patents
A kind of innoxious preservation method of citrus fruit Download PDFInfo
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- CN109169888A CN109169888A CN201811119954.9A CN201811119954A CN109169888A CN 109169888 A CN109169888 A CN 109169888A CN 201811119954 A CN201811119954 A CN 201811119954A CN 109169888 A CN109169888 A CN 109169888A
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- 235000020971 citrus fruits Nutrition 0.000 title claims abstract description 56
- 238000004321 preservation Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229920001661 Chitosan Polymers 0.000 claims abstract description 18
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims abstract description 17
- 241000207199 Citrus Species 0.000 claims abstract description 16
- 240000002234 Allium sativum Species 0.000 claims description 10
- 235000004611 garlic Nutrition 0.000 claims description 10
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims description 9
- 235000009051 Ambrosia paniculata var. peruviana Nutrition 0.000 claims description 8
- 235000003097 Artemisia absinthium Nutrition 0.000 claims description 8
- 240000001851 Artemisia dracunculus Species 0.000 claims description 8
- 235000017731 Artemisia dracunculus ssp. dracunculus Nutrition 0.000 claims description 8
- 235000003261 Artemisia vulgaris Nutrition 0.000 claims description 8
- 239000001138 artemisia absinthium Substances 0.000 claims description 8
- 239000003651 drinking water Substances 0.000 claims description 8
- 235000020188 drinking water Nutrition 0.000 claims description 8
- 239000000706 filtrate Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 8
- LUEWUZLMQUOBSB-FSKGGBMCSA-N (2s,3s,4s,5s,6r)-2-[(2r,3s,4r,5r,6s)-6-[(2r,3s,4r,5s,6s)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2r,4r,5s,6r)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@@H](O[C@@H]2[C@H](O[C@@H](OC3[C@H](O[C@@H](O)[C@@H](O)[C@H]3O)CO)[C@@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O LUEWUZLMQUOBSB-FSKGGBMCSA-N 0.000 claims description 7
- 229920002581 Glucomannan Polymers 0.000 claims description 7
- 229920002752 Konjac Polymers 0.000 claims description 7
- 229940046240 glucomannan Drugs 0.000 claims description 7
- 239000003755 preservative agent Substances 0.000 claims description 6
- 230000002335 preservative effect Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000007605 air drying Methods 0.000 claims description 4
- 239000000356 contaminant Substances 0.000 claims description 4
- 210000004262 dental pulp cavity Anatomy 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 235000013399 edible fruits Nutrition 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 238000001802 infusion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 238000003618 dip coating Methods 0.000 abstract description 2
- 210000002615 epidermis Anatomy 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract description 2
- 240000002319 Citrus sinensis Species 0.000 description 12
- 235000005976 Citrus sinensis Nutrition 0.000 description 12
- 238000010586 diagram Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241001312219 Amorphophallus konjac Species 0.000 description 1
- 235000001206 Amorphophallus rivieri Nutrition 0.000 description 1
- 244000205754 Colocasia esculenta Species 0.000 description 1
- 235000006481 Colocasia esculenta Nutrition 0.000 description 1
- 206010017533 Fungal infection Diseases 0.000 description 1
- 208000031888 Mycoses Diseases 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000021022 fresh fruits Nutrition 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 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
- A23B7/16—Coating with a protective layer; Compositions or apparatus therefor
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth 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)
- Storage Of Fruits Or Vegetables (AREA)
Abstract
The invention discloses a kind of innoxious preservation method of citrus fruit, including circulatory pool, pretreatment, first time Preservation Treatment, second of Preservation Treatment, third time Preservation Treatment；Citrus fruit is pre-processed by hot water, sufficiently open citrus surface pore, it is immersed inside epidermis conducive to antistaling agent, then carries out dip-coating with carboxymethyl chitosan after antistaling agent processing, film layer can be formed on citrus fruit surface, while preventing antistaling agent to be lost, oxygen in atmosphere etc. can be hindered to immerse inside citrus fruit, prevent from aoxidizing, enhance fresh-keeping effect, it is of good preservation effect, and fresh keeping time is long.
Description
Technical field
The present invention relates to a kind of innoxious preservation methods of citrus fruit, belong to fresh fruit technical field of preservation of fresh.
Background technique
Citrus fruit has the characteristics that moisture content is high, full of nutrition, acidity is lower, therefore in picking, transport and storage
It easily by fungal infection during hiding, is easy to rot, it is difficult to save, storage loss rate is up to 10-30% after leading to annual harvest, sternly
Up to 50% when weight, the development of Citrus Industry is greatly hindered.
In the prior art, the method for storing and refreshing of citrus mainly with physical method or applies artificial synthesized chemical preservative
Based on, wherein physical method is mainly with ultraviolet sterilization, ultrasonic sterilization, and bactericidal effect is bad, and chemical preservative is easily residual
It stays, there are toxic side effects.With the improvement of living standards, people are to nuisanceless, pollution-free, edible safety high-quality citrus demand
It just increases sharply, therefore few addition, safe and reliable antistaling agent research and the research of preservation method of good preservation effect become mesh
Preceding important one of research direction.
Summary of the invention
In view of the deficiency of the prior art, it is innoxious fresh-keeping that the object of the present invention is to provide a kind of citrus fruits
Agent and preservation method.
To achieve the above object, the technical solution adopted by the present invention: a kind of innoxious preservation method of citrus fruit, including
Following steps:
(1) preparation of circulatory pool: circulatory pool includes two circular stainless steel pond bodies of upper and lower stratiform setting, all pond bodies
Center is connected in a welding manner by the center connecting column of boring, the interior bottom of upper layer pond body be designed to center it is low, from
Gradually to the raised cone bucket shape in periphery, the interior bottom of lower layer's pond body is designed to that center is high, is gradually reduced from center to periphery at center
Back taper it is bucket-shaped, and offer through-hole on the peripheral wall of corresponding center connecting column at bottom centre position in each pond body,
Center connecting column partial shrouds corresponding to the pond body of that layer have the outer cylinder for closing through-hole above, and the bottom of outer cylinder is adhesive with
Sealing ring, bottom centre position offers in corresponding pond body and sealing ring is adapted the annular convex platform of cooperation；In each pond body
Multiple pneumatic heads are inside placed with, multiple pneumatic heads finally collect on a root canal road and the pipeline is connected with hot wind pump；It is being located at
It is connected with drinking-water pipe in that pond body one side wall of lower layer, suction pump is connected on drinking-water pipe, suction pump is connected by bellows
There is wastewater collection pond.
(2) it pre-processes: after citrus fruit is picked, after removing surface contaminants, being put into upper and lower two layers of pond body of circulatory pool
In, the citrus fruit amount of being put into of each pond body is 50-120 jins/m3 pond body, is covered on outside the connecting column of center with outer cylinder, toward above and below
It is separately added into hot water in two layers of pond body and carries out dipping pretreatment 5-8min, hot water temperature is 35-45 DEG C, and the additional amount of hot water is not to have
It crosses subject to citrus fruit all in corresponding pond body；
(3) first time Preservation Treatment: removing the outer cylinder outside the connecting column of center, suction pump is opened, by the intracorporal heat in upper layer and lower layer pond
Water is drained, and hot wind pump is then opened, and with 30-40 DEG C of hot wind, the moisture on citrus fruit surface is dried up, closing hot wind pump,
Then suction pump puts on the outer cylinder outside the connecting column of center, is first put into prepared innoxious antistaling agent toward upper layer pond body inner top,
Until not corresponded to subject to citrus fruit all in pond body excessively, after crossing 5-8min, outer cylinder is removed, upper layer pond is intracorporal innoxious
Antistaling agent is entered in lower layer's pond body by the through-hole on the connecting column of center, and the citrus fruit to lower layer is in innoxious antistaling agent
After middle immersion 15-20min, start suction pump, take out the intracorporal innoxious antistaling agent in pond, turns off suction pump, starting hot wind pump,
With 25-35 DEG C of hot wind, the moisture on citrus fruit surface is dried up；
(4) second of Preservation Treatment: closing hot wind pump, suction pump, and put on the outer cylinder outside the connecting column of center, first toward above that
The carboxymethyl chitosan solution that mass fraction is 1-3% is added in a pond body until not corresponding to citrus water all in pond body excessively
Subject to fruit, after crossing 0.5-1min, outer cylinder is removed, the intracorporal carboxymethyl chitosan solution in upper layer pond passes through logical on the connecting column of center
Hole enters in lower layer's pond body, and after the citrus fruit of lower layer impregnates 1-2min in carboxymethyl chitosan solution, starting is taken out
Sucking pump takes out the intracorporal carboxymethyl chitosan solution in pond, turns off suction pump, then the liquid on natural air drying citrus fruit surface
Body；
(5) preservative film third time Preservation Treatment: will be wrapped up outside the citrus fruit by step (4) processing.
Above-mentioned innoxious antistaling agent, is formulated by the raw material of following parts by weight: 8-15 parts of tealeaves, 8-15 parts of argy wormwood, evil spirit
5-10 parts of taro Glucomannan, 5-8 parts of garlic juice.
The preparation method of above-mentioned innoxious antistaling agent is first to add 10 times of water to be boiled by fire tealeaves and argy wormwood, and then small fire is endured
3-5h is boiled, scaling-off rear filtrate is filtered and is cooled down, konjaku glucomannan, garlic juice then is added after mixing evenly into filtrate
It is made.Wherein garlic juice is to be obtained by fresh garlic by juicing.
Compared with prior art, the beneficial effect that the present invention has is:
1, citrus fruit is pre-processed by hot water, sufficiently opens citrus surface pore, be conducive to antistaling agent and immerse epidermis
The inside, it is of good preservation effect, and fresh keeping time is long (usually 6-8 months)；
2, dip-coating is carried out with carboxymethyl chitosan after antistaling agent processing, film layer can be formed on citrus fruit surface, is prevented
While antistaling agent is lost, oxygen in atmosphere etc. can be hindered to immerse inside citrus fruit, prevent from aoxidizing, enhance fresh-keeping effect
Fruit；
3, antistaling agent of the invention is innoxious, does not damage to human body, can supplement part nutrition instead, be worthy to be popularized；
4, the present invention carries out Preservation Treatment using circulatory pool, is effectively utilized antistaling agent, reduces waste, and can make citrus
Fruit surface can be contacted sufficiently with antistaling agent, enhance fresh-keeping effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of circulatory pool of the present invention
Fig. 2 is the structural schematic diagram of center connecting column of the present invention
Fig. 3 is the structural schematic diagram of outer cylinder of the present invention.
Specific embodiment
Presently in connection with specific embodiment, next the invention will be further elaborated.
Embodiment one
The innoxious preservation method of the citrus fruit of the present embodiment, includes the following steps:
(1) preparation of circulatory pool: as shown in Figure 1, Figure 2, Figure 3 shows, circulatory pool includes that two of upper and lower stratiform setting are circular stainless
Steel pond body 1, a height of 20-25cm of pond body 1,1 radius of pond body are 20-30cm, and the center of all pond bodies 1 passes through in boring
Heart connecting column 2 connects in a welding manner, and the internal diameter of center connecting column 2 is 5-8cm, a height of 30-40cm, upper layer pond body 1 it is interior
Bottom be designed to center it is low, from center gradually to the raised cone bucket shape in periphery, the interior bottom of lower layer's pond body 1 be designed to center it is high,
The back taper gradually reduced from center to periphery is bucket-shaped, and the corresponding center connecting column 2 at bottom centre position in each pond body 1
Peripheral wall on offer through-hole 3, above, connecting column 2 partial shrouds in center corresponding to the pond body 1 of that layer have logical for closing
The outer cylinder 4 in hole, the bottom of outer cylinder 4 are adhesive with sealing ring 5, and bottom centre position offers and 5 phase of sealing ring in corresponding pond body 1
Adapt to the annular convex platform of cooperation；Multiple pneumatic heads 6 are placed in each pond body 1, multiple pneumatic heads 6 finally collect in a root canal
On road and the pipeline is connected with hot wind pump 7；Drinking-water pipe 8, drinking-water pipe 8 are connected in that 1 one side wall of pond body for being located at lower layer
On be connected with suction pump 9, suction pump 9 is connected with wastewater collection pond 10 by bellows；
(2) it pre-processes: after navel orange is picked, after removing surface contaminants, being put into upper and lower two layers of pond body of circulatory pool, Mei Gechi
The navel orange amount of being put into of body is 100 jin/m3 pond body, is covered on outside the connecting column of center with outer cylinder, is separately added into upper and lower two layers of pond body
Hot water carries out dipping pretreatment 5min, and hot water temperature is 45 DEG C, and the additional amount of hot water not correspond to navel orange all in pond body excessively
Subject to；
(3) first time Preservation Treatment: removing the outer cylinder outside the connecting column of center, suction pump is opened, by the intracorporal heat in upper layer and lower layer pond
Water is drained, and hot wind pump is then opened, and with 40 DEG C of hot wind, the moisture on navel orange surface is dried up, and closes hot wind pump, suction pump, so
Outer cylinder in rear enclosure outside the connecting column of center is first put into prepared innoxious antistaling agent toward upper layer pond body inner top, until no mistake
In corresponding pond body subject to all navel oranges, after crossing 5min, outer cylinder is removed, the intracorporal innoxious antistaling agent in upper layer pond is connected by center
The through-hole on column is connect to enter in lower layer's pond body, after the navel orange of lower layer impregnates 15min in innoxious antistaling agent, starting suction
Pump, takes out the intracorporal innoxious antistaling agent in pond, suction pump, starting hot wind pump is turned off, with 35 DEG C of hot wind, by navel orange surface
Moisture drying, wherein innoxious antistaling agent is formulated by the raw material of following parts by weight: 15 parts of tealeaves, 8 parts of argy wormwood, Amorphophallus rivieri glucomannan
10 parts of glycan, 5 parts of garlic juice；
(4) second of Preservation Treatment: closing hot wind pump, suction pump, and put on the outer cylinder outside the connecting column of center, first toward above that
It is the carboxymethyl chitosan solution of 1-3% up to not corresponded to subject to navel orange all in pond body excessively that mass fraction is added in a pond body,
After crossing 0.5min, outer cylinder is removed, the intracorporal carboxymethyl chitosan solution in upper layer pond is entered by the through-hole on the connecting column of center
In lower layer's pond body, after the navel orange of lower layer impregnates 1min in carboxymethyl chitosan solution, starts suction pump, it is intracorporal to take out pond
Carboxymethyl chitosan solution turns off the liquid on suction pump and then natural air drying navel orange surface；
(4) preservative film third time Preservation Treatment: will be wrapped up outside the navel orange by step (4) processing.
The preparation method of above-mentioned innoxious antistaling agent is first to add 10 times of water to be boiled by fire tealeaves and argy wormwood, and then small fire is endured
5h is boiled, scaling-off rear filtrate is filtered and is cooled down, konjaku glucomannan then is added into filtrate, garlic juice is made after mixing evenly
?.
Embodiment two
The innoxious preservation method of the citrus fruit of the present embodiment, includes the following steps:
(1) preparation of circulatory pool: as shown in Figure 1, Figure 2, Figure 3 shows, circulatory pool includes that two of upper and lower stratiform setting are circular stainless
Steel pond body 1, a height of 20-25cm of pond body 1,1 radius of pond body are 20-30cm, and the center of all pond bodies 1 passes through in boring
Heart connecting column 2 connects in a welding manner, and the internal diameter of center connecting column 2 is 5-8cm, a height of 30-40cm, upper layer pond body 1 it is interior
Bottom be designed to center it is low, from center gradually to the raised cone bucket shape in periphery, the interior bottom of lower layer's pond body 1 be designed to center it is high,
The back taper gradually reduced from center to periphery is bucket-shaped, and the corresponding center connecting column 2 at bottom centre position in each pond body 1
Peripheral wall on offer through-hole 3, above, connecting column 2 partial shrouds in center corresponding to the pond body 1 of that layer have logical for closing
The outer cylinder 4 in hole, the bottom of outer cylinder 4 are adhesive with sealing ring 5, and bottom centre position offers and 5 phase of sealing ring in corresponding pond body 1
Adapt to the annular convex platform of cooperation；Multiple pneumatic heads 6 are placed in each pond body 1, multiple pneumatic heads 6 finally collect in a root canal
On road and the pipeline is connected with hot wind pump 7；Drinking-water pipe 8, drinking-water pipe 8 are connected in that 1 one side wall of pond body for being located at lower layer
On be connected with suction pump 9, suction pump 9 is connected with wastewater collection pond 10 by bellows；
(2) it pre-processes: after citrus fruit is picked, after removing surface contaminants, being put into upper and lower two layers of pond body of circulatory pool,
The citrus amount of being put into of each pond body is 120 jin/m3 pond body, is covered on outside the connecting column of center with outer cylinder, is divided in upper and lower two layers of pond body
Not Jia Ru hot water carry out dipping pretreatment 8min, hot water temperature is 35 DEG C, and the additional amount of hot water is all in pond body not correspond to excessively
Citrus subject to；
(3) first time Preservation Treatment: removing the outer cylinder outside the connecting column of center, suction pump is opened, by the intracorporal heat in upper layer and lower layer pond
Water is drained, and hot wind pump is then opened, and with 30 DEG C of hot wind, the moisture on citrus surface is dried up, and closes hot wind pump, suction pump, so
Outer cylinder in rear enclosure outside the connecting column of center is first put into prepared innoxious antistaling agent toward upper layer pond body inner top, until no mistake
In corresponding pond body subject to all citruses, after crossing 8min, outer cylinder is removed, the intracorporal innoxious antistaling agent in upper layer pond is connected by center
The through-hole on column is connect to enter in lower layer's pond body, after the citrus of lower layer impregnates 20min in innoxious antistaling agent, starting suction
Pump, takes out the intracorporal innoxious antistaling agent in pond, suction pump, starting hot wind pump is turned off, with 25 DEG C of hot wind, by citrus surface
Moisture drying, wherein innoxious antistaling agent, is formulated by the raw material of following parts by weight: 8 parts of tealeaves, 15 parts of argy wormwood, konjaku Portugal
10 parts of sweet glycan, 8 parts of garlic juice；
(4) second of Preservation Treatment: closing hot wind pump, suction pump, and put on the outer cylinder outside the connecting column of center, first toward above that
It is the carboxymethyl chitosan solution of 1-3% up to not corresponded to subject to citrus all in pond body excessively that mass fraction is added in a pond body,
After crossing 1min, outer cylinder is removed, the intracorporal carboxymethyl chitosan solution in upper layer pond is entered down by the through-hole on the connecting column of center
In layer pond body, after the navel orange of lower layer impregnates 2min in carboxymethyl chitosan solution, starts suction pump, take out the intracorporal carboxylic in pond
Methyl chitosan solution turns off the liquid on suction pump and then natural air drying citrus surface；
(5) preservative film third time Preservation Treatment: will be wrapped up outside the citrus by step (4) processing.
The preparation method of above-mentioned innoxious antistaling agent is first to add 10 times of water to be boiled by fire tealeaves and argy wormwood, and then small fire is endured
3-5h is boiled, scaling-off rear filtrate is filtered and is cooled down, konjaku glucomannan, garlic juice then is added after mixing evenly into filtrate
It is made.
Claims (3)
1. a kind of innoxious preservation method of citrus fruit, includes the following steps:
(1) preparation of circulatory pool: circulatory pool includes two circular stainless steel pond bodies of upper and lower stratiform setting, all pond bodies
Center is connected in a welding manner by the center connecting column of boring, the interior bottom of upper layer pond body be designed to center it is low, from
Gradually to the raised cone bucket shape in periphery, the interior bottom of lower layer's pond body is designed to that center is high, is gradually reduced from center to periphery at center
Back taper it is bucket-shaped, and offer through-hole on the peripheral wall of corresponding center connecting column at bottom centre position in each pond body,
Center connecting column partial shrouds corresponding to the pond body of that layer have the outer cylinder for closing through-hole above, and the bottom of outer cylinder is adhesive with
Sealing ring, bottom centre position offers in corresponding pond body and sealing ring is adapted the annular convex platform of cooperation；In each pond body
Multiple pneumatic heads are inside placed with, multiple pneumatic heads finally collect on a root canal road and the pipeline is connected with hot wind pump；It is being located at
It is connected with drinking-water pipe in that pond body one side wall of lower layer, suction pump is connected on drinking-water pipe, suction pump is connected by bellows
There is wastewater collection pond；
(2) it pre-processes: after citrus fruit is picked, after removing surface contaminants, being put into upper and lower two layers of pond body of circulatory pool,
The citrus fruit amount of being put into of each pond body is 50-120 jins/m3 pond body, is covered on outside the connecting column of center with outer cylinder, toward upper and lower two
It is separately added into hot water in layer pond body and carries out dipping pretreatment 5-8min, hot water temperature is 35-45 DEG C, and the additional amount of hot water is with no mistake
In corresponding pond body subject to all citrus fruits；
(3) first time Preservation Treatment: removing the outer cylinder outside the connecting column of center, suction pump is opened, by the intracorporal heat in upper layer and lower layer pond
Water is drained, and hot wind pump is then opened, and with 30-40 DEG C of hot wind, the moisture on citrus fruit surface is dried up, closing hot wind pump,
Then suction pump puts on the outer cylinder outside the connecting column of center, is first put into prepared innoxious antistaling agent toward upper layer pond body inner top,
Until not corresponded to subject to citrus fruit all in pond body excessively, after crossing 5-8min, outer cylinder is removed, upper layer pond is intracorporal innoxious
Antistaling agent is entered in lower layer's pond body by the through-hole on the connecting column of center, and the citrus fruit to lower layer is in innoxious antistaling agent
After middle immersion 15-20min, start suction pump, take out the intracorporal innoxious antistaling agent in pond, turns off suction pump, starting hot wind pump,
With 25-35 DEG C of hot wind, the moisture on citrus fruit surface is dried up；
(4) second of Preservation Treatment: closing hot wind pump, suction pump, and put on the outer cylinder outside the connecting column of center, first toward above that
The carboxymethyl chitosan solution that mass fraction is 1-3% is added in a pond body until not corresponding to citrus water all in pond body excessively
Subject to fruit, after crossing 0.5-1min, outer cylinder is removed, the intracorporal carboxymethyl chitosan solution in upper layer pond passes through logical on the connecting column of center
Hole enters in lower layer's pond body, and after the citrus fruit of lower layer impregnates 1-2min in carboxymethyl chitosan solution, starting is taken out
Sucking pump takes out the intracorporal carboxymethyl chitosan solution in pond, turns off suction pump, then the liquid on natural air drying citrus fruit surface
Body；
(5) preservative film third time Preservation Treatment: will be wrapped up outside the citrus fruit by step (4) processing.
2. the innoxious preservation method of citrus fruit according to claim 1, which is characterized in that above-mentioned innoxious fresh-keeping
Agent is formulated by the raw material of following parts by weight: 8-15 parts of tealeaves, 8-15 parts of argy wormwood, 5-10 parts of konjaku glucomannan, garlic juice
5-8 parts of liquid.
3. the innoxious preservation method of citrus fruit according to claim 2, which is characterized in that above-mentioned innoxious antistaling agent
Preparation method be first to add 10 times of water to be boiled by fire tealeaves and argy wormwood, then small fire infusion 3-5h, filter it is scaling-off after filtrate into
Then konjaku glucomannan is added into filtrate in row cooling, garlic juice is made after mixing evenly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811119954.9A CN109169888A (en) | 2018-09-26 | 2018-09-26 | A kind of innoxious preservation method of citrus fruit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811119954.9A CN109169888A (en) | 2018-09-26 | 2018-09-26 | A kind of innoxious preservation method of citrus fruit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109169888A true CN109169888A (en) | 2019-01-11 |
Family
ID=64909930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811119954.9A Pending CN109169888A (en) | 2018-09-26 | 2018-09-26 | A kind of innoxious preservation method of citrus fruit |
Country Status (1)
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|---|---|
| CN (1) | CN109169888A (en) |
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