CN109430820A - Instant freeze-drying black fungus of one kind and preparation method thereof - Google Patents

Instant freeze-drying black fungus of one kind and preparation method thereof Download PDF

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Publication number
CN109430820A
CN109430820A CN201811349296.2A CN201811349296A CN109430820A CN 109430820 A CN109430820 A CN 109430820A CN 201811349296 A CN201811349296 A CN 201811349296A CN 109430820 A CN109430820 A CN 109430820A
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China
Prior art keywords
black fungus
freeze
instant
drying
preparation
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Pending
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CN201811349296.2A
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Chinese (zh)
Inventor
张蓓蕾
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Yichun Terry Forest Food Co Ltd
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Yichun Terry Forest Food Co Ltd
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Priority to CN201811349296.2A priority Critical patent/CN109430820A/en
Publication of CN109430820A publication Critical patent/CN109430820A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L31/00Edible extracts or preparations of fungi; Preparation or treatment thereof
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L5/00Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials 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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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Microbiology (AREA)
  • Mycology (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Preparation Of Fruits And Vegetables (AREA)

Abstract

The present invention provides instant freeze-drying black fungus of one kind and preparation method thereof.It comprises the following steps that and 1) dries screening;2) be soaked cleaning;3) water-removing is precooked;4) pre-freeze;5) it is freeze-dried, instant class snack food and Instant Drinks class drink can also be further processed into.Black fungus product of the invention effectively reduces the risk during black fungus is eaten;The black fungus of frozen drying retain its it is fresh when color and nutritional ingredient, do not lose original solid matrix material, keep the original form of material.Black fungus after working process can be restored to fresh agaric state in several minutes again after rehydration, and instant black fungus is more direct-edible, eats easier.

Description

Instant freeze-drying black fungus of one kind and preparation method thereof
Technical field
The invention belongs to food processing fields, and in particular to instant freeze-drying black fungus of one kind and preparation method thereof.
Background technique
Black fungus contains the elements such as protein, fat, polysaccharide and calcium, phosphorus, iron and carrotene, vitamin B1, vitamin B2, niacin etc., also containing nutrients such as phosphatide, sterol.Agaric is full of nutrition, is known as " hat in bacterium ".However contain in fresh agaric There is porphyrin, therefore needs to save after solar exposure after agaric picking.
The existing storing mode of black fungus is to store after drying, and main edible way is that will dry to cook food after black fungus is soaked With.Edible black fungus process is cumbersome, and condition of storage and the time that is soaked bad grasp cause black fungus nutritional ingredient impaired, when eating It is subject to conditions.Specifically, needing before edible through water flushing side after being soaked, the time that is soaked is long, and nutriment easily loses and exists and produces Raw secondary pollution risk.
In addition, black fungus is easy to digest after there are plant collagen abundant, needing sufficiently to chew and absorbs, for old man For child, edible black fungus also needs reprocessing to cook, and is inconvenient.
Summary of the invention
For defect existing for the above black fungus product, the present invention provide a kind of nutrient safe is comprehensive, active material is abundant, It is easy to edible absorption, the black fungus product convenient for saving and using, present invention simultaneously provides preparation methods.
For above-mentioned purpose, technical solution of the present invention is as follows:
A kind of preparation method of instant freeze-drying black fungus, the specific steps are as follows:
Step 1) dries screening: the black fungus after picking being dried 36 hours or more under natural sunlight, water content is lower than 85% After, according to point equal screening of kind and size, according to four standards of the dry diameter of agaric point: 1) level-one: diameter is lower than 15mm, and 2) two Grade: diameter is between 15mm and 18mm, 3) three-level: diameter is between 18mm and 25mm, and 4) level Four: diameter is greater than 25mm.
Step 2 is soaked cleaning: the black fungus of same levels is soaked together, be soaked tap water after being filtering with water, according to The dry ratio with 20kg water of 1kg agaric, water temperature are soaked 5 hours between 20 DEG C;Black fungus after being soaked is entered by conveyer belt Automatic cleaning procedure, using automatic bubble washer, by the dirt of surface of material, impurity and material are detached from, and it is clear to enter back into spray Washing machine completely removes the impurity being attached on material;
Step 3) water-removing is precooked: the material after cleaning enters automatic water-removing precooker by conveyer belt, and steam pressure 0.6MPa scalds 95 DEG C of temperature of drift, blanching solid water ratio are not less than 1:20, and the time is lower than 3min;Black fungus after precooking enters centrifugal dehydrator, Revolving speed is to be dehydrated about 5min under 960r/min;After being taken out in dewaterer, into air-cooled spreading-and-cooling machine, under the air quantity of 8850m3/h About 3min takes away surface residual moisture content, and material is down to room temperature;
Step 4) pre-freeze: the black fungus after cold wind is dried up is packed into pallet tiling, and paving disc thickness is no more than 3cm, enters low temperature afterwards Quick-freezer carries out pre-freeze 2 hours under conditions of subzero 30 DEG C;
Step 5) freeze-drying: being put into vacuum freeze for the good black fungus of pre-freeze, is lower than the item of 100 Pa in pressure It is dried in vacuo under part, after drying time 7-8 hour, the water content in final black fungus is lower than 5%.
Further, vacuum freeze drying is as follows with specific reference to data:
Stage Heating/cooling The temperature change time Temperature of heating plate Duration
1 60min 100℃ 60min
2 30min 80℃ 60min
3 30min 65℃ 60min
4 30min 55℃ 120min
5 30min 45℃ 120min
A kind of instant freeze-drying black fungus is made according to above-mentioned method.
Further, step 5) freeze-drying black fungus obtained, which is equipped with condiment, can become instant class snack food, specific to make Standby process:
1) it by the black fungus after above-mentioned freeze-drying, is being kept for 20 DEG C of temperature, is taking out, lead under the closed environment of relative humidity 25% It crosses conveyer belt and enters automatic powder sprayer.Automatic powder sprayer setting speed is not higher than 5m/min, and condiment divides fineness to be not less than 100 mesh, The powder of good taste will be deployed, feed powder is uniformly sprinkling upon by surface of material by automatic powder sprayer;
2) again by conveyer belt, the material for being stained with seasoning powder is entered into automatic packaging machine;
3) pack environment is kept for 20 DEG C of temperature, and relative humidity 25% fills bag, wrap after oxygen scavenger is added by packing into automatic weighing Dress up type.
Further, step 5) is made freeze-drying black fungus and carries out broken wall powder, can become Instant Drinks class drink, specific to prepare Process: it by the black fungus after above-mentioned freeze-drying, is being kept for 20 DEG C of temperature, is being put after being taken out under the closed environment of relative humidity 25% Enter flour mill, flour mill revolving speed is set as 5000 turns/min, and smashing fineness is set as 500 mesh, the duration of runs be 2min after take out, Black fungus freeze-dried powder after taking-up is packed into automatic filling machine to carry out filling bag packaging.
The utility model has the advantages that black fungus product of the invention, effectively reduces the risk during black fungus is eaten;Cryogenic freezing Dry black fungus retain its it is fresh when color and nutritional ingredient, do not lose original solid matrix material, keep material Original form.Black fungus after working process can be restored to fresh agaric state, instant black wood in several minutes again after rehydration Ear is more direct-edible, to keep edible way easier, increases consumption market, expands the consumer group.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.
The present invention is described below with reference to specific embodiments.It will be appreciated by those skilled in the art that these embodiments are only used for Illustrate the present invention, does not limit the scope of the invention in any way.
Embodiment 1
A kind of preparation method of instant freeze-drying black fungus, the specific steps are as follows:
Step 1) dries screening: the black fungus after picking being dried 36 hours or more under natural sunlight, water content is lower than 85% After, according to point equal screening of kind and size, according to four standards of the dry diameter of agaric point: 1) level-one: diameter is lower than 15mm, and 2) two Grade: diameter is between 15mm and 18mm, 3) three-level: diameter is between 18mm and 25mm, and 4) level Four: diameter is greater than 25mm
Step 2 is soaked cleaning: the black fungus of same levels being soaked together, be soaked tap water after being filtering with water, according to 1kg The dry ratio with 20kg water of agaric, water temperature are soaked 5-6 hours between 10-25 DEG C;Black fungus after being soaked is brought by conveying Enter automatic cleaning procedure, using automatic bubble washer, by the dirt of surface of material, impurity and material are detached from, and enter back into spray Cleaning machine completely removes the impurity being attached on material;
Step 3) water-removing is precooked: the material after cleaning enters automatic water-removing precooker by conveyer belt, and steam pressure 0.6MPa scalds 95 DEG C of temperature of drift, blanching solid water ratio are not less than 1:20, and the time is lower than 3min;Black fungus after precooking enters centrifugal dehydrator, Revolving speed is to be dehydrated about 5min under 960r/min;After being taken out in dewaterer, into air-cooled spreading-and-cooling machine, under the air quantity of 8850m3/h About 3min takes away surface residual moisture content, and material is down to room temperature;
Step 4) pre-freeze: the black fungus after cold wind is dried up is packed into pallet tiling, and paving disc thickness is no more than 3cm, enters low temperature afterwards Quick-freezer carries out pre-freeze 2 hours under conditions of subzero 30 DEG C;
Step 5) freeze-drying: being put into vacuum freeze for the good black fungus of pre-freeze, is lower than the item of 100 Pa in pressure It is dried in vacuo under part, after drying time 7-8 hour, the water content in final black fungus is lower than 5%.
Embodiment 2
A kind of preparation method of instant freeze-drying black fungus snack food, detailed process:
1) by the level-one black fungus after being freeze-dried in embodiment 1, kept for 20 DEG C of temperature, the closed environment of relative humidity 25% Lower taking-up, enters automatic powder sprayer by conveyer belt.Automatic powder sprayer setting speed is not higher than 5m/min, and condiment divides fineness not low In 100 mesh, the powder of good taste will be deployed, feed powder is uniformly sprinkling upon by surface of material by automatic powder sprayer;2) again by The material for being stained with seasoning powder is entered automatic packaging machine by conveyer belt;3) pack environment is kept for 20 DEG C of temperature, and relative humidity 25% is led to It crosses and packs into automatic weighing, fill bag, pack molding after oxygen scavenger is added.
Embodiment 3
A kind of preparation method of instant freeze-drying black fungus Instant Drinks class drink, detailed process:
By the level Four black fungus after being freeze-dried in embodiment 1, under 20 DEG C of temperature of holding, the closed environment of relative humidity 25% Flour mill is put into after taking-up, flour mill revolving speed is set as 5000 turns/min, and smashing fineness is set as 500 mesh, and the duration of runs is It is taken out after 2min, the black fungus freeze-dried powder after taking-up is packed into automatic filling machine and carries out filling bag packaging.
While there has been shown and described that technical solution of the present invention for the ordinary skill in the art can It a variety of to the progress of these embodiments can be changed without departing from the principles and spirit of the present invention with understanding, modified, replaced It changes and modification, the scope of the present invention is defined by the appended.

Claims (8)

1. a kind of preparation method of instant freeze-drying black fungus, which is characterized in that steps are as follows:
Step 1) dries screening: the black fungus after picking being dried 36 hours or more under natural sunlight, water content is lower than 85% After, according to the screening such as kind and size point;
Step 2 is soaked cleaning: the black fungus of same levels being soaked together, be soaked tap water after being filtering with water, according to 1kg The dry ratio with 20kg water of agaric, water temperature are soaked 5-6 hours between 10-25 DEG C;Black fungus after being soaked is brought by conveying Enter automatic cleaning procedure, using automatic bubble washer, by the dirt of surface of material, impurity and material are detached from, and enter back into spray Cleaning machine completely removes the impurity being attached on material;
Step 3) water-removing is precooked: the material after cleaning enters automatic water-removing precooker by conveyer belt, and steam pressure 0.6MPa scalds 95 DEG C of temperature of drift, blanching solid water ratio are not less than 1:20, and the time is lower than 3min;Black fungus after precooking enters centrifugal dehydrator, Revolving speed is to be dehydrated about 5min under 960r/min;After being taken out in dewaterer, into air-cooled spreading-and-cooling machine, in 8850m3Under the air quantity of/h About 3min takes away surface residual moisture content, and material is down to room temperature;
Step 4) pre-freeze: the black fungus after cold wind is dried up is packed into pallet tiling, and paving disc thickness is no more than 3cm, enters low temperature afterwards Quick-freezer carries out pre-freeze 2 hours under conditions of subzero 30 DEG C;
Step 5) freeze-drying: being put into vacuum freeze for the good black fungus of pre-freeze, is lower than the item of 100 Pa in pressure It is dried in vacuo under part, after drying time 7-8 hour, the water content in final black fungus is lower than 5%.
2. the preparation method of instant freeze-drying black fungus as described in claim 1, which is characterized in that dry according to agaric in step 1) Diameter point four standards: 1) level-one: diameter is lower than 15mm, 2) second level: diameter is between 15mm and 18mm, 3) three-level: diameter between 18mm and 25mm, 4) level Four: diameter is greater than 25mm.
3. a kind of instant freeze-drying black fungus, which is characterized in that the instant freeze-drying black fungus is according to claim 1 Method preparation.
4. the preparation method of instant freeze-drying black fungus as described in claim 1, which is characterized in that will be lyophilized made from step 5) Black fungus, which is equipped with condiment, can become instant class snack food.
5. the preparation method of instant freeze-drying black fungus as claimed in claim 4, which is characterized in that the instant class snack food Specific preparation process: 1) by the black fungus after above-mentioned freeze-drying, kept for 20 DEG C of temperature, the closed loop of relative humidity 25% It is taken out under border, automatic powder sprayer is entered by conveyer belt.
6. automatic powder sprayer setting speed is not higher than 5m/min, condiment divides fineness not less than 100 mesh, will deploy the powder of good taste Material, is uniformly sprinkling upon surface of material for feed powder by automatic powder sprayer;2) again by conveyer belt, the material of seasoning powder will be stained with Into automatic packaging machine;3) pack environment is kept for 20 DEG C of temperature, and relative humidity 25% fills bag, add by packing into automatic weighing Molding is packed after entering oxygen scavenger.
7. the preparation method of instant freeze-drying black fungus as described in claim 1, which is characterized in that it is black that freeze-drying is made in step 5) Agaric carries out broken wall powder, can become Instant Drinks class drink.
8. the preparation method of instant freeze-drying black fungus as claimed in claim 6, which is characterized in that the Instant Drinks class drink Specific preparation process: by the black fungus after above-mentioned freeze-drying, under 20 DEG C of temperature of holding, the closed environment of relative humidity 25% Flour mill is put into after taking-up, flour mill revolving speed is set as 5000 turns/min, and smashing fineness is set as 500 mesh, and the duration of runs is It is taken out after 2min, the black fungus freeze-dried powder after taking-up is packed into automatic filling machine and carries out filling bag packaging.
CN201811349296.2A 2018-11-14 2018-11-14 Instant freeze-drying black fungus of one kind and preparation method thereof Pending CN109430820A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114391647A (en) * 2022-01-12 2022-04-26 安徽福香源生态农业科技有限公司 Production process of agaric crisp chips
CN115336744A (en) * 2022-08-19 2022-11-15 黑龙江省农业科学院食品加工研究所 Black fungus leisure food and preparation method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114391647A (en) * 2022-01-12 2022-04-26 安徽福香源生态农业科技有限公司 Production process of agaric crisp chips
CN115336744A (en) * 2022-08-19 2022-11-15 黑龙江省农业科学院食品加工研究所 Black fungus leisure food and preparation method thereof

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Application publication date: 20190308