CN107361134A - A kind of processing method for extending the cherry keeping fresh at normal temperature phase - Google Patents

A kind of processing method for extending the cherry keeping fresh at normal temperature phase Download PDF

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Publication number
CN107361134A
CN107361134A CN201710686527.8A CN201710686527A CN107361134A CN 107361134 A CN107361134 A CN 107361134A CN 201710686527 A CN201710686527 A CN 201710686527A CN 107361134 A CN107361134 A CN 107361134A
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China
Prior art keywords
cherry
normal temperature
extending
processing method
solid content
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CN201710686527.8A
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Chinese (zh)
Inventor
吴邦柱
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Hefei Rain Agricultural Technology Co Ltd
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Hefei Rain Agricultural Technology Co Ltd
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Priority to CN201710686527.8A priority Critical patent/CN107361134A/en
Publication of CN107361134A publication Critical patent/CN107361134A/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
    • A23B7/16Coating with a protective layer; Compositions or apparatus therefor
    • 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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  • 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)
  • Preparation Of Fruits And Vegetables (AREA)

Abstract

The present invention relates to food fresh keeping processing technology field, and in particular to a kind of processing method for extending the cherry keeping fresh at normal temperature phase.Comprise the following steps that:By the drying of eggplant leaf, crush, obtain powder, ether extraction, concentration, obtain solid content, 1 is pressed with salt, water:3‑4:2000 2500 weight is heated to 50 60 DEG C and stir process, obtains Preservation Treatment liquid, even application is air-dried to surface no moisture, gained cherry under 1.8 1.9m/s wind speed and can preserved at normal temperatures in cherry surface than mixing.

Description

A kind of processing method for extending the cherry keeping fresh at normal temperature phase
Technical field
The present invention relates to food fresh keeping processing technology field, and in particular to a kind of processing for extending the cherry keeping fresh at normal temperature phase Method.
Background technology
Cherry appearance is bright in colour, sparkling and crystal-clear beautiful, red as agate, yellow such as congealed fat, fruit are rich in sugar, protein, vitamin And the multiple element such as calcium, iron, phosphorus, potassium, for weakness of the spleen and the stomach, few food diarrhoea, or taste impairment of yin, dry mouth and parching tongue;Kidney deficiency and liver, waist Knees soreness, limbs fatigue, or seminal emission;The intractable spot class such as the deficiency of blood, dizzy palpitaition, lustreless complexion, facial freckle can play desalination and make With.Cherry belongs to climacteric type fruit, easily because senile mice pattern, microbial infection cause product during storage at normal temperature after harvesting Matter fission, rot, be unfavorable for storing and transport, therefore, fruit fresh state is kept by suitable Post-harvest processing method, extended The shelf time is significant.
The content of the invention
It is an object of the invention to provide a kind of processing method for extending the cherry keeping fresh at normal temperature phase.
The technical solution adopted by the present invention is that a kind of processing method for extending the cherry keeping fresh at normal temperature phase, specific steps are such as Under:
(1)By the drying of eggplant leaf, crush, obtain powder, ether presses 10-12 with powder:1 mass ratio mixing, refluxing extraction 4-5 Hour, filtering obtains extract solution, heating recovery ether, and extract solution is concentrated to dryness, and obtains solid content;
(2)Resulting solid content and salt, water are pressed 1:3-4:2000-2500 weight is heated to 50-60 DEG C simultaneously than mixing With the 3000-4000r/min stir speed (S.S.) stir process 20-30 seconds, Preservation Treatment liquid is obtained;
(3)By step(2)Obtained Preservation Treatment liquid even application air-dries in cherry surface under 1.8-1.9m/s wind speed To surface no moisture, gained cherry can preserve at normal temperatures.
Preferably, by the drying of eggplant leaf, crushing, powder is obtained, ether presses 10 with powder:1 mass ratio mixing, backflow carry Take 4.2 hours.
Preferably, resulting solid content and salt, water are pressed 1:4:2000 weight than mixing, be heated to 60 DEG C and with 4000r/min stir speed (S.S.) stir process 30 seconds.
Preferably, by step(2)Obtained Preservation Treatment liquid even application is in cherry surface, and under 1.8m/s wind speed Air-dry.
The present invention has advantages below:
(1)It is eggplant leaf that solid content, which obtains source, and old cheap, is easily obtained;
(2)Resulting solid content is sprayed at cherry surface after dilution, can effectively delay cherry respiration and rising work With delaying cherry physiological metabolism process, postpone rotten generation;
(3)Solid content adds a certain proportion of salt when diluting, it is possible to increase the dissolubility and film forming of concentrate, obtained by making Preservation Treatment liquid energy it is enough form transparent membrane on cherry surface, ensure that solid content can effectively play a role for a long time.
Embodiment
Embodiment 1, a kind of processing method for extending the cherry keeping fresh at normal temperature phase, are comprised the following steps that:
(1)By the drying of eggplant leaf, crush, obtain powder, ether presses 10 with powder:1 mass ratio mixing, refluxing extraction 4 hours, Filtering obtains extract solution, heating recovery ether, and extract solution is concentrated to dryness, and obtains solid content;
(2)Resulting solid content and salt, water are pressed 1:3:2000 weight is heated to 50 DEG C and with 3000r/ than mixing Min stir speed (S.S.) stir process 20 seconds, obtains Preservation Treatment liquid;
(3)By step(2)Obtained Preservation Treatment liquid even application is air-dried to table in cherry surface under 1.8m/s wind speed Face no moisture, gained cherry can preserve at normal temperatures.
Embodiment 2, a kind of processing method for extending the cherry keeping fresh at normal temperature phase, are comprised the following steps that:
(1)By the drying of eggplant leaf, crush, obtain powder, ether presses 12 with powder:1 mass ratio mixing, refluxing extraction 5 hours, Filtering obtains extract solution, heating recovery ether, and extract solution is concentrated to dryness, and obtains solid content;
(2)Resulting solid content and salt, water are pressed 1:4:2500 weight is heated to 60 DEG C and with 4000r/ than mixing Min stir speed (S.S.) stir process 30 seconds, obtains Preservation Treatment liquid;
(3)By step(2)Obtained Preservation Treatment liquid even application is air-dried to table in cherry surface under 1.9m/s wind speed Face no moisture, gained cherry can preserve at normal temperatures.
Embodiment 3, a kind of processing method for extending the cherry keeping fresh at normal temperature phase, are comprised the following steps that:
(1)By the drying of eggplant leaf, crush, obtain powder, ether presses 11 with powder:1 mass ratio mixing, refluxing extraction 4.3 are small When, filtering obtains extract solution, heating recovery ether, and extract solution is concentrated to dryness, and obtains solid content;
(2)Resulting solid content and salt, water are pressed 1:3.5:2200 weight is heated to 55 DEG C and with 3500r/ than mixing Min stir speed (S.S.) stir process 22 seconds, obtains Preservation Treatment liquid;
(3)By step(2)Obtained Preservation Treatment liquid even application in cherry surface, and air-dry under 1.88m/s wind speed to Surface no moisture, gained cherry can preserve at normal temperatures.
Below in conjunction with specific contrast test, the present invention is further described:
Test material:Cherry, pluck in a certain cherry plantation in San Lian villages of Hefei City Feixi County Yan Dian townshiies, kind is big purple cherry Peach, harvest after 8 maturations, harvesting ripe degree is consistent, has no mechanical damage, the cherry of no disease and pests harm, is immediately fed into after harvesting at experiment Reason;
Pluck obtained cherry and amount to 200, be randomly divided into 4 groups, every group 50, respectively experimental group, control group 1, control group 2nd, non-process group;
Experimental group cherry is sent into storeroom after following processing;
(1)By the drying of eggplant leaf, crush, obtain powder, ether presses 11 with powder:1 mass ratio mixing, refluxing extraction 4.3 are small When, filtering obtains extract solution, heating recovery ether, and extract solution is concentrated to dryness, and obtains solid content;
(2)Resulting solid content and salt, water are pressed 1:3.5:2200 weight is heated to 55 DEG C and with 3500r/ than mixing Min stir speed (S.S.) stir process 22 seconds, obtains Preservation Treatment liquid;
(3)By step(2)Obtained Preservation Treatment liquid even application in cherry surface, and air-dry under 1.88m/s wind speed to Surface no moisture;
The cherry of control group 1 is sent into storeroom after following processing;
(1)By the drying of eggplant leaf, crush, obtain powder, water presses 11 with powder:1 mass ratio mixing, refluxing extraction 4.3 hours, Filtering obtains extract solution, heating recovery ether, and extract solution is concentrated to dryness, and obtains solid content;
(2)Resulting solid content and salt, water are pressed 1:3.5:2200 weight is heated to 55 DEG C and with 3500r/ than mixing Min stir speed (S.S.) stir process 22 seconds, obtains Preservation Treatment liquid;
(3)By step(2)Obtained Preservation Treatment liquid even application in cherry surface, and air-dry under 1.88m/s wind speed to Surface no moisture;
The cherry of control group 2 is sent into storeroom after following processing;
(1)By the drying of eggplant leaf, crush, obtain powder, ether presses 11 with powder:1 mass ratio mixing, refluxing extraction 4.3 are small When, filtering obtains extract solution, heating recovery ether, and extract solution is concentrated to dryness, and obtains solid content;
(2)Resulting solid content and water are pressed 1:2200 weight is heated to 55 DEG C and with 3500r/min stirring than mixing Speed stir process 22 seconds, obtains Preservation Treatment liquid;
(3)By step(2)Obtained Preservation Treatment liquid even application in cherry surface, and air-dry under 1.88m/s wind speed to Surface no moisture;
Non-process group is sent into storeroom without processing;
Experimental group, control group 1, control group 2 are air-dried to the no moisture of surface, artificial to observe each group cherry surface filming, as a result It see the table below 1:
Group Experimental group Control group 1 Control group 2
Film forming Film forming is uniformly, well Have no film forming Have no film forming
As shown in Table 1, the eggplant leaf solid content for only extracting to obtain by ether is with salt, water by 1:3.5:2200 weight is than mixed Conjunction just has certain film forming, and eggplant leaf water extraction agent presses 1 with salt, water:3.5:2200 weight is than mixing and not having film forming Property, eggplant leaf solid content and salt that ether extracts to obtain are the necessary conditions that Preservation Treatment liquid has film forming;
Each group storage room environmental is identical, storage at normal temperature;
Each group before processing, a sensory evaluation is carried out to cherry, and processing carries out one in the 15th day, 20 days, 30 days, 50 days, 60 days Secondary sensory evaluation, sensory evaluation standard are seen below:
1:Soft rotten, the matt, brown stain of fruit is serious, obvious putrefactive odor occur, > 3/5 fruit rots;
3:Fruit surface shrinkage depression, fruit are matt, slight brown stain occur, slight peculiar smell, 2/5 < decayed fruit≤3/ occur 5;
5:Profile is complete, and fruit parts softening, fruit is matt, no fruit fragrant, 1/5 < decayed fruit≤2/5;
7:Completely filled fruit;Fruit color is more bright-coloured;There is light fruit fragrant;≤ 1/5 fruit rots;
9:Completely filled fruit, fruit surface smooth;Whole fruit color is bright-coloured, glossy;There is the peculiar fragrance of fruit;Without rotten;
Analyses Methods for Sensory Evaluation Results see the table below 2:
Group Experimental group Control group 1 Control group 2 Non-process group
Before processing sensory evaluation scores 9 9 9 9
Handle the 15th day sensory evaluation scores 9 3.5 8.8 3.2
Handle the 20th day sensory evaluation scores 9 1 8.5 1
Handle the 30th day sensory evaluation scores 9 - 7.6 -
Handle the 50th day sensory evaluation scores 8.7 - 5.0 -
Handle the 60th day sensory evaluation scores 8.2 - 4.2 -
As shown in Table 2, the eggplant leaf solid content for extracting to obtain by ether is with salt, water by 1:3.5:2200 weight ratio mixes The Preservation Treatment liquid arrived is notable to extending the effect of cherry shelf-life, but the obtained eggplant leaf solid content of flooding and salt, water by 1:3.5:2200 weight but acts on than the Preservation Treatment liquid being mixed to get without this, and the eggplant leaf solid content that ether extracts to obtain is dilute A certain amount of salt is added when releasing has certain influence to the fresh-keeping effect for improving dilution, and this improves the film forming of dilution with experiment Property has compared with Important Relations.

Claims (4)

1. a kind of processing method for extending the cherry keeping fresh at normal temperature phase, it is characterised in that comprise the following steps that:
(1)By the drying of eggplant leaf, crush, obtain powder, ether presses 10-12 with powder:1 mass ratio mixing, refluxing extraction 4-5 Hour, filtering obtains extract solution, heating recovery ether, and extract solution is concentrated to dryness, and obtains solid content;
(2)Resulting solid content and salt, water are pressed 1:3-4:2000-2500 weight is heated to 50-60 DEG C simultaneously than mixing With the 3000-4000r/min stir speed (S.S.) stir process 20-30 seconds, Preservation Treatment liquid is obtained;
(3)By step(2)Obtained Preservation Treatment liquid even application air-dries in cherry surface under 1.8-1.9m/s wind speed To surface no moisture, gained cherry can preserve at normal temperatures.
A kind of 2. processing method for extending the cherry keeping fresh at normal temperature phase according to claim 1, it is characterised in that
By the drying of eggplant leaf, crush, obtain powder, ether presses 10 with powder:1 mass ratio mixing, refluxing extraction 4.2 hours.
A kind of 3. processing method for extending the cherry keeping fresh at normal temperature phase according to claim 1, it is characterised in that
Resulting solid content and salt, water are pressed 1:4:2000 weight is heated to 60 DEG C and with 4000r/min's than mixing Stir speed (S.S.) stir process 30 seconds.
A kind of 4. processing method for extending the cherry keeping fresh at normal temperature phase according to claim 1, it is characterised in that
By step(2)Obtained Preservation Treatment liquid even application air-dries in cherry surface under 1.8m/s wind speed.
CN201710686527.8A 2017-08-08 2017-08-08 A kind of processing method for extending the cherry keeping fresh at normal temperature phase Pending CN107361134A (en)

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Application Number Priority Date Filing Date Title
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62232330A (en) * 1986-04-02 1987-10-12 Yoshihara Seiyu Kk Edible dried plant and food or cosmetic utilizing said edible dried plant
CN104920600A (en) * 2015-07-06 2015-09-23 广西壮族自治区农业科学院农产品加工研究所 Preservative for longan and preparation method and preservation method thereof
CN106720282A (en) * 2017-01-07 2017-05-31 新疆维吾尔自治区葡萄瓜果研究所 Natural complex fresh-keeping film based on plant source extractant and preparation method and application
CN106912595A (en) * 2015-12-27 2017-07-04 张培君 A kind of cherry coating antistaling agent
CN106942360A (en) * 2017-03-17 2017-07-14 运城学院 A kind of antistaling agent fresh-keeping for sweet cherry and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62232330A (en) * 1986-04-02 1987-10-12 Yoshihara Seiyu Kk Edible dried plant and food or cosmetic utilizing said edible dried plant
CN104920600A (en) * 2015-07-06 2015-09-23 广西壮族自治区农业科学院农产品加工研究所 Preservative for longan and preparation method and preservation method thereof
CN106912595A (en) * 2015-12-27 2017-07-04 张培君 A kind of cherry coating antistaling agent
CN106720282A (en) * 2017-01-07 2017-05-31 新疆维吾尔自治区葡萄瓜果研究所 Natural complex fresh-keeping film based on plant source extractant and preparation method and application
CN106942360A (en) * 2017-03-17 2017-07-14 运城学院 A kind of antistaling agent fresh-keeping for sweet cherry and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘志明: "《麦秆表面特性及麦秆刨花板胶接机理的研究》", 30 June 2006, 东北林业大学出版社 *

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Application publication date: 20171121