CN105918435A - Production method of green food quick-frozen broccoli - Google Patents
Production method of green food quick-frozen broccoli Download PDFInfo
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- CN105918435A CN105918435A CN201610296805.4A CN201610296805A CN105918435A CN 105918435 A CN105918435 A CN 105918435A CN 201610296805 A CN201610296805 A CN 201610296805A CN 105918435 A CN105918435 A CN 105918435A
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- folium brassicae
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- 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
- A23B7/0408—Freezing; Subsequent thawing; Cooling the material being transported through or in the apparatus with or without shaping, e.g. in the form of powder, granules or flakes
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Abstract
The present invention discloses a production method of green food quick-frozen broccoli. The production method consists of the following steps: raw material purchasing, raw material refined selecting, cutting, cleaning, enzyme deactivating, cooling, selecting, draining, quick-freezing, screening, packaging, and cold storing. In the production method of the quick-frozen broccoli, the enzyme deactivating time is only 70-80 s, and calcium chloride solution at a mass percentage of 0.5-1% is added into an enzyme deactivating liquid to prevent color and keep crispness, which solves the problems that the quick-frozen broccoli product is yellow in color and luster, and decreased in crispness. At the same time, in the production method of the quick-frozen broccoli, lysozyme at a mass percentage of 0.01%-0.05% is added into the cooling of ice water, which can kill harmful microorganisms and extends shelf life of products. The prepared quick-frozen broccoli flowers are bright green, and uniform in color and luster. Single broccoli flower is not adhered to each other and uniform in size. After the broccoli is thawed, the green food quick-frozen broccoli has fragrance and sweet flavor, and is crisp and refreshing in mouthfeel.
Description
Technical field
The present invention relates to food processing field, particularly to the producer of a kind of pollution-free food quick-freezing Caulis et Folium Brassicae capitatae
Method.
Background technology
Caulis et Folium Brassicae capitatae has another name called broccoli, stem Broccoli, broccoli, Broccoliflorets, and Caulis et Folium Brassicae capitatae belongs to Cruciferae Caulis et Folium Brassicae campestris
Belong in brassica specie with a green bouquet mutation as product.Originate in the Italy one of Europe Mediterranean
Band, 19 the end of the century incoming China.Research shows, Caulis et Folium Brassicae capitatae can help to prevent arthritis.Caulis et Folium Brassicae capitatae contains
Sulforaphen can alleviate the damage of articular cartilage.
Nutritional labeling in Caulis et Folium Brassicae capitatae, not only content is high, and very comprehensive, mainly include protein,
Carbohydrate, fat, mineral, vitamin C and carotene etc..According to analysis, every 100 grams new
In the bouquet of fresh Caulis et Folium Brassicae capitatae, containing 3.5 grams～4.5 grams of protein, it it is 3 times of cauliflower, 4 times of Fructus Lycopersici esculenti.This
Outward, than other vegetables more comprehensively, calcium, phosphorus, ferrum, potassium, zinc, manganese etc. contain Caulis et Folium Brassicae capitatae mineral composition
Measure the abundantest, exceed much than the cabbage rolls belonging to Cruciferae.
The average nutritive value of Caulis et Folium Brassicae capitatae and prophylaxis effect taking the first place.Caulis et Folium Brassicae capitatae after every 100 grams of cookings
In, moisture accounts for 90.6%, containing 2.9 grams of protein, carbohydrate 5.1 grams, is provided that 117.2 kilojoules
Heat.Caulis et Folium Brassicae capitatae after cooking contains vitamin C, potassium, folic acid, vitamin A, magnesium, pantothenic acid, ferrum
And phosphorus.Additionally, Caulis et Folium Brassicae capitatae is possibly together with carotene.Caulis et Folium Brassicae capitatae can effectively reduce breast carcinoma, rectal cancer,
Gastric cancer, the sickness rate of heart disease and stroke, also sterilize and prevent the effect infected.
Caulis et Folium Brassicae capitatae may have effect of cancer-resisting the most exactly, and cauliflower is more containing vitamin C,
Higher than Chinese cabbage, Fructus Lycopersici esculenti, Herba Apii graveolentis, especially have better effect in terms of preventing and treating gastric cancer, breast carcinoma.Grind
Studying carefully and show, when getting a cancer of the stomach, the level of human serum selenium is decreased obviously, and the Vc concentration in gastric juice is the lowest
In normal person, and cauliflower not only can supplement a certain amount of selenium and Vc to people, also can supply abundant simultaneously
Carotene, plays the effect stoping intraepithelial neoplasia cells to be formed, suppression cancerous protuberance growth.According to U.S.'s nutrition
Scholar studies, and also has multiple indole derivatives, this compound to have reduction human body inner estrogen level in cauliflower
Effect, can the generation of Breast Cancer Prevention.Additionally, research shows, in Caulis et Folium Brassicae capitatae, prophylaxis of cancer is most important
Composition be " sulforaphen ", this material is improved the effect of carcinogen detoxification enzyme activity, and helps canceration
Cytothesis is normal cell.
Someone is called " good medicine being bestowed by heaven " and " doctors of the poor " Caulis et Folium Brassicae capitatae, has this is because often eat Caulis et Folium Brassicae capitatae
Larynx refreshing, sound producing, lung moistening, effect of cough-relieving, be eaten for a long time and can also reduce breast carcinoma, rectal cancer and stomach
The incidence probability of the cancers such as cancer.Additionally, Caulis et Folium Brassicae capitatae has mystery to killing the helicobacter pylori causing gastric cancer
Effect.
In addition to anticancer, Caulis et Folium Brassicae capitatae, possibly together with abundant ascorbic acid, can strengthen the detoxification ability of liver,
Improve immunity of organisms.And the most a certain amount of flavonoid substances, then hypertension, heart disease there are is regulation
Function with prevention.Meanwhile, Caulis et Folium Brassicae capitatae belongs to high fiber vegetable, can effectively reduce the intestines and stomach to glucose
Absorb, and then reduce blood glucose, effectively control the state of an illness of diabetes.
Quick-freezing Caulis et Folium Brassicae capitatae is the staple product in domestic export quick-frozen vegetable, but tradition quick-freezing technique at present
There is following subject matter in the quick-freezing Caulis et Folium Brassicae capitatae prepared: the easy yellow of color and luster, brittleness decline cause mouthfeel the best
And Caulis et Folium Brassicae capitatae bouquet is tight, gap is more, easily retains harmful levels of pathogens and causes microorganism to exceed standard.
Summary of the invention
For the problems referred to above, the invention provides one and can keep that Caulis et Folium Brassicae capitatae color and luster is bud green, mouthfeel is crisp and refreshing
And can thorough killing microorganisms so that it is sense organ, sanitary index all can reach to export quick frozen food safety
The production method of the pollution-free food quick-freezing Caulis et Folium Brassicae capitatae of standard.
The technical solution adopted for the present invention to solve the technical problems is:
The production method of pollution-free food quick-freezing Caulis et Folium Brassicae capitatae, comprises the following steps
(1) purchasing of raw materials: ingredient requirement is fresh, bouquet is tight, in emerald green, without pest and disease damage, without speckle
Scar, heterochromatic etc.；
(2) picking of raw material: selected require that color is emerald green or bottle green, diameter 16～22cm, handle
Long less than 2cm, same kind or similar varieties, outward appearance is consistent, fresh, cleaning, ripe appropriateness；Flower
Ball rounding is intact；Bouquet consolidation, the loosest；Color and luster is consistent；Alabastrum is tiny, consolidation, do not open；
Scape is fresh and tender, and branch scape is short；Finishing is good, and the cutting of main scape is smooth, and without variable body, marrow tissue causes
Close, the most hollow；Without rotten, mouldy, lopsided, abnormal flavour ftractures, burn, freeze injury, pest and disease damage and machinery
Wound etc.；
(3) cutting: cut siphonal lobe and handle with cutter, cuts into piece, and flower diameter 3～5cm segments
After flower color and luster bud green, block in the same size, alabastrum is tiny, closely, do not open, without pest and disease damage,
Rotten, mouldy, lopsided；
(4) clean: the Caulis et Folium Brassicae capitatae piece after cutting is delivered to bubble washer by conveyer belt, remove Caulis et Folium Brassicae capitatae
In foreign body, this operation carries out twice being carried out altogether；
(5) complete: in the liquid that completes, add the calcium chloride solution that mass fraction is 0.5～1%, by carrying
Cleaned Caulis et Folium Brassicae capitatae piece feeding is completed and completes in liquid by band, and the temperature that completes 95～98 DEG C, when completing
Between 70～80s；Add mass fraction be 0.5～1% calcium chloride solution can be substantially improved Caulis et Folium Brassicae capitatae color and luster
The problem that yellow, brittleness decline；
(6) cooling: by complete process after Caulis et Folium Brassicae capitatae piece elder generation rapidly with clear water spraying cooling to 60 DEG C, and
After carry out two-stage chilling, described first cooling stage is: in 25 DEG C of normal-temperature water coolers cool down, make
The central temperature of Caulis et Folium Brassicae capitatae piece controls below 30 DEG C, cool time 1min；
Described second cooling stage is: quickly cools down in the frozen water cooler of 0 DEG C, makes Caulis et Folium Brassicae capitatae piece center
Temperature is rapidly decreased to less than 15 DEG C, cool time 2min；Containing matter in the frozen water of described second cooling stage
Amount mark is the lysozyme of 0.01～0.05%, to kill harmful microorganism；
The purpose of cooling is to prevent the heat of remnants from having a strong impact on product quality, such as colour-darkening, does
Consumption increases, and the quick-freezing time lengthens and wastes the breeding of the energy and microorganism, so cooling must be the most thorough
The end, to guarantee color and luster and the quality of product；
(7) select: pick out pest and disease damage, the west not meeting appearance standard such as not of uniform size, heterochromatic blue
Flower；
(8) drain: the Caulis et Folium Brassicae capitatae piece after cooling being processed is sent into vibrate in vibration draining machine and drained, described
Vibration draining machine is vibrosieve, and after soaking due to Caulis et Folium Brassicae capitatae piece, water content is relatively big, in order to improve dewatering effect,
Some blower fans it are provided with, when blue by vibrosieve west out on conveyer belt between vibrosieve and instant freezer
When flower is by conveyer belt, it is dried up by blower fan blowing cold air, both Caulis et Folium Brassicae capitatae piece can be made to drain more thorough
The end, Caulis et Folium Brassicae capitatae piece can be cooled down again further；
Drain the moisture that can remove in sweet Caulis et Folium Brassicae capitatae piece gap, surface moisture too much shape when preventing from freezing
Become adhesion between ice cube and Caulis et Folium Brassicae capitatae piece, affect outward appearance and net weight, it is also possible to reduce the consumption of electric energy；
(9) quick-freezing: the Caulis et Folium Brassicae capitatae piece after draining is sent in instant freezer by hoisting type conveyer belt, instant freezer
Interior temperature is-25～-30 DEG C, and freeze-off time is 10～15 minutes；
The instant freezer of quick-freezing Caulis et Folium Brassicae capitatae piece is fluidization instant freezer, drains the Caulis et Folium Brassicae capitatae piece after process and is laid in
On its fluid bed, the many Fans being arranged under fluid bed with 6～8m/s speed by cold wind from bottom to top
Blow, make the central temperature of Caulis et Folium Brassicae capitatae piece reach-18 DEG C, the complete Caulis et Folium Brassicae capitatae piece of quick-freezing should adhesion mutually,
Surface is frostless；
(10) screening: the Caulis et Folium Brassicae capitatae piece after quick-freezing is carried out further hand picking, rejects defective
Flower；
(11) packaging: the Caulis et Folium Brassicae capitatae piece after quick-freezing, screening is packed under conditions of-5～0 DEG C,
Employing polyethylene plastic bag is packed, and the quick-freezing Caulis et Folium Brassicae capitatae piece weighing corresponding weight as required carries out pouch bag
Dress, sealing, stamp the date of manufacture in sealing simultaneously, pack complete finished product and carry out metal detector inspection
Survey；
Metal detector to test its sensitivity before using:Pack complete
Finished product must be detected by metal detector for whole twice, prevent metallics enter in finished product flow into
Market, is sent to freezer cold preservation immediately after vanning；
(12) cold preservation: by the quick-freezing Caulis et Folium Brassicae capitatae piece cold preservation after packaging, the temperature of freezer is less than-18 DEG C,
Relative humidity is 95%～98%；
Temperature fluctuation range in freezer not can exceed that ± 2 DEG C, and otherwise temperature fluctuation excessive there will be heavily ties
Crystalline substance and distillation, affect product quality, to leave enough spaces, in order to air when piling up between buttress with buttress
Circulation.
The beneficial effect that the present invention brings has:
The production method of the quick-freezing Caulis et Folium Brassicae capitatae of the present invention, fixation time only has 70～80s, adds in the liquid that completes
Mass fraction be 0.5～1% calcium chloride solution carry out keeping colour and crisp, solve quick-freezing Caulis et Folium Brassicae capitatae product color
The problem that pool yellow, brittleness decline；
The production method of the quick-freezing Caulis et Folium Brassicae capitatae of the present invention, adding mass fraction in frozen water cools down is
0.01～the lysozyme of 0.05%, harmful microorganism can be killed, extend shelf life of products；
The indices of the quick-freezing Caulis et Folium Brassicae capitatae that the employing present invention prepares is as follows:
(1) organoleptic indicator
Color and luster: emerald green or bottle green；Form: size is homogeneous, alabastrum is tiny, consolidation, do not open,
Without pest and disease damage；Flavour, mouthfeel: boil 3～5 minutes with boiled water very hot oven, then taste, there is this Caulis et Folium Brassicae capitatae
The sweet taste of kind and fragrance, crisp and refreshing；
(2) physical and chemical index
Copper (in terms of Cu)≤5.0 mg/kg, arsenic (in terms of As)≤0.5 mg/kg, lead is (with Pb
Meter)≤1.0 mg/kg；
(3) sanitary index
Total number of bacterial colonies (individual/gram)≤10000, colibacillus of excrement (individual/100 grams) ＜ 3.Pathogenic bacterium are (husky
Door Salmonella, shigella, staphylococcus aureus) do not detect.
Detailed description of the invention
The present invention is described below by specific embodiment.Used by unless stated otherwise, in the present invention
Technological means is method known in those skilled in the art.It addition, embodiment is interpreted as explanation
Property, and unrestricted the scope of the present invention, the spirit and scope of the invention are limited only by the claims that follow.
To those skilled in the art, on the premise of without departing substantially from spirit and scope of the present invention, to this
Various changes that material component in a little embodiments and consumption are carried out or change fall within the protection of the present invention
Scope.
Embodiment 1
The production method of the quick-freezing Caulis et Folium Brassicae capitatae of the present embodiment comprises the steps:
(1) purchasing of raw materials: ingredient requirement is fresh, bouquet is tight, in emerald green, without pest and disease damage, without speckle
Scar, heterochromatic etc.；
(2) picking of raw material: selected require that color is emerald green or bottle green, diameter 16～22cm, handle
Long less than 2cm, same kind or similar varieties, outward appearance is consistent, fresh, cleaning, ripe appropriateness；Flower
Ball rounding is intact；Bouquet consolidation, the loosest；Color and luster is consistent；Alabastrum is tiny, consolidation, do not open；
Scape is fresh and tender, and branch scape is short；Finishing is good, and the cutting of main scape is smooth, and without variable body, marrow tissue causes
Close, the most hollow；Without rotten, mouldy, lopsided, abnormal flavour ftractures, burn, freeze injury, pest and disease damage and machinery
Wound etc.；
(3) cutting: cut siphonal lobe and handle with cutter, cuts into piece, and flower diameter 3～5cm segments
After flower color and luster bud green, block in the same size, alabastrum is tiny, closely, do not open, without pest and disease damage,
Rotten, mouldy, lopsided；
(4) clean: the Caulis et Folium Brassicae capitatae piece after cutting is delivered to bubble washer by conveyer belt, remove Caulis et Folium Brassicae capitatae
In foreign body, this operation carries out twice being carried out altogether；
(5) complete: adding mass fraction in the liquid that completes is the calcium chloride solution of 0.50%, by conveyer belt
Cleaned Caulis et Folium Brassicae capitatae piece feeding is completed liquid completes, the temperature that completes 95 DEG C, fixation time 70s；
(6) cooling: by complete process after Caulis et Folium Brassicae capitatae piece elder generation rapidly with clear water spraying cooling to 60 DEG C, and
After carry out two-stage chilling, described first cooling stage is: in 25 DEG C of normal-temperature water coolers cool down, make
The central temperature of Caulis et Folium Brassicae capitatae piece controls below 30 DEG C, cool time 1min；
Described second cooling stage is: quickly cools down in the frozen water cooler of 0 DEG C, makes Caulis et Folium Brassicae capitatae piece center
Temperature is rapidly decreased to less than 15 DEG C, cool time 2min；Containing matter in the frozen water of described second cooling stage
Amount mark is the lysozyme of 0.01%, to kill harmful microorganism；
(7) select: pick out pest and disease damage, the west not meeting appearance standard such as not of uniform size, heterochromatic blue
Flower；
(8) drain: the Caulis et Folium Brassicae capitatae piece after cooling being processed is sent into vibrate in vibration draining machine and drained, described
Vibration draining machine is vibrosieve, and the conveyer belt between vibrosieve and instant freezer arranges some blower fans, when
During by vibrosieve Caulis et Folium Brassicae capitatae piece out by conveyer belt, it is dried up by blower fan blowing cold air；
(9) quick-freezing: the Caulis et Folium Brassicae capitatae piece after draining is sent in fluidization instant freezer by hoisting type conveyer belt,
Quick-freezing built-in temperature is-25 DEG C, and freeze-off time is 10min；
(10) screening: the Caulis et Folium Brassicae capitatae piece after quick-freezing is carried out further hand picking, rejects defective
Flower；
(11) packaging: the Caulis et Folium Brassicae capitatae piece after quick-freezing, screening is packed under conditions of-5～0 DEG C；
Employing polyethylene plastic bag is packed, and the quick-freezing Caulis et Folium Brassicae capitatae piece weighing corresponding weight as required carries out little
Bag packaging, seals after packaging, stamps the date of manufacture in sealing simultaneously, and packaged finished product should carry out gold
Belong to detector detection, after vanning, be sent to freezer cold preservation immediately；
(12) cold preservation: by the quick-freezing Caulis et Folium Brassicae capitatae piece cold preservation after packaging, the temperature of freezer is less than-18 DEG C,
Relative humidity is 95%～98%.
The quick-freezing Caulis et Folium Brassicae capitatae piece that the preparation method of the quick-freezing Caulis et Folium Brassicae capitatae piece of the present embodiment prepares, in emerald green color,
Color and luster is consistent, monomer adhesion, and size is uniform, total number of bacterial colonies (individual/gram)≤10000, excrement large intestine
Bacillus (individual/100 grams) ＜ 3, pathogenic bacterium (Salmonella, shigella, staphylococcus aureus) are not
Detection, tastes fragrance and the sweet taste with Caulis et Folium Brassicae capitatae after defrosting, mouthfeel is crisp and refreshing.
Embodiment 2
The production method of the quick-freezing Caulis et Folium Brassicae capitatae of the present embodiment comprises the steps:
(1) purchasing of raw materials: ingredient requirement is fresh, bouquet is tight, in emerald green, without pest and disease damage, without speckle
Scar, heterochromatic etc.；
(2) picking of raw material: selected require that color is emerald green or bottle green, diameter 16～22cm, handle
Long less than 2cm, same kind or similar varieties, outward appearance is consistent, fresh, cleaning, ripe appropriateness；Flower
Ball rounding is intact；Bouquet consolidation, the loosest；Color and luster is consistent；Alabastrum is tiny, consolidation, do not open；
Scape is fresh and tender, and branch scape is short；Finishing is good, and the cutting of main scape is smooth, and without variable body, marrow tissue causes
Close, the most hollow；Without rotten, mouldy, lopsided, abnormal flavour ftractures, burn, freeze injury, pest and disease damage and machinery
Wound etc.；
(3) cutting: cut siphonal lobe and handle with cutter, cuts into piece, and flower diameter 3～5cm segments
After flower color and luster bud green, block in the same size, alabastrum is tiny, closely, do not open, without pest and disease damage,
Rotten, mouldy, lopsided；
(4) clean: the Caulis et Folium Brassicae capitatae piece after cutting is delivered to bubble washer by conveyer belt, remove Caulis et Folium Brassicae capitatae
In foreign body, this operation carries out twice being carried out altogether；
(5) complete: adding mass fraction in the liquid that completes is the calcium chloride solution of 0.75%, by conveyer belt
Cleaned Caulis et Folium Brassicae capitatae piece feeding is completed liquid completes, the temperature that completes 97 DEG C, fixation time 75s；
(6) cooling: by complete process after Caulis et Folium Brassicae capitatae piece elder generation rapidly with clear water spraying cooling to 60 DEG C, and
After carry out two-stage chilling, described first cooling stage is: in 25 DEG C of normal-temperature water coolers cool down, make
The central temperature of Caulis et Folium Brassicae capitatae piece controls below 30 DEG C, cool time 1min；
Described second cooling stage is: quickly cools down in the frozen water cooler of 0 DEG C, makes Caulis et Folium Brassicae capitatae piece center
Temperature is rapidly decreased to less than 15 DEG C, cool time 2min；Containing matter in the frozen water of described second cooling stage
Amount mark is the lysozyme of 0.03%, to kill harmful microorganism；
(7) select: pick out pest and disease damage, the west not meeting appearance standard such as not of uniform size, heterochromatic blue
Flower；
(8) drain: the Caulis et Folium Brassicae capitatae piece after cooling being processed is sent into vibrate in vibration draining machine and drained, described
Vibration draining machine is vibrosieve, and after soaking due to Caulis et Folium Brassicae capitatae piece, water content is relatively big, in order to improve dewatering effect,
Some blower fans are added, when by vibrosieve Caulis et Folium Brassicae capitatae out on conveyer belt between vibrosieve and instant freezer
During piece by conveyer belt, it is dried up by blower fan blowing cold air, both can make Caulis et Folium Brassicae capitatae piece drain more thorough,
Caulis et Folium Brassicae capitatae piece can be cooled down again further；
(9) quick-freezing: the Caulis et Folium Brassicae capitatae piece after draining is sent in fluidization instant freezer by hoisting type conveyer belt,
Quick-freezing built-in temperature is-28 DEG C, and freeze-off time is 13min；
(10) screening: the Caulis et Folium Brassicae capitatae piece after quick-freezing is carried out further hand picking, rejects defective
Flower；
(11) packaging: the Caulis et Folium Brassicae capitatae piece after quick-freezing, screening is packed under conditions of-5～0 DEG C；
Employing polyethylene plastic bag is packed, and the quick-freezing Caulis et Folium Brassicae capitatae piece weighing corresponding weight as required carries out little
Bag packaging, seals after packaging, stamps the date of manufacture in sealing simultaneously, and packaged finished product must be all
Detected by metal detector for twice, prevent metallics from entering in finished product, come into the market, after vanning
It is sent to freezer cold preservation immediately；
(12) cold preservation: by the quick-freezing Caulis et Folium Brassicae capitatae piece cold preservation after packaging, the temperature of freezer is less than-18 DEG C,
Relative humidity is 95%～98%, and the temperature fluctuation range in freezer not can exceed that ± 2 DEG C, otherwise temperature
Fluctuate and excessive there will be recrystallization and distillation, affect product quality, foot to be left between buttress with buttress when piling up
Enough spaces, circulate in order to air.
The quick-freezing Caulis et Folium Brassicae capitatae piece that the production method of the quick-freezing Caulis et Folium Brassicae capitatae of the present embodiment prepares, in emerald green, color
Pool is consistent, monomer adhesion, and size is uniform, total number of bacterial colonies (individual/gram)≤10000, excrement large intestine bar
Bacterium (individual/100 grams) ＜ 3, pathogenic bacterium (Salmonella, shigella, staphylococcus aureus) are not examined
Going out, taste fragrance and the sweet taste with Caulis et Folium Brassicae capitatae after defrosting, mouthfeel is crisp and refreshing.
Embodiment 3
The production method of the quick-freezing Caulis et Folium Brassicae capitatae of the present embodiment comprises the steps:
(1) purchasing of raw materials: ingredient requirement is fresh, bouquet is tight, in emerald green, without pest and disease damage, without speckle
Scar, heterochromatic etc.；
(2) picking of raw material: selected require that color is emerald green or bottle green, diameter 16～22cm, handle
Long less than 2cm, same kind or similar varieties, outward appearance is consistent, fresh, cleaning, ripe appropriateness；Flower
Ball rounding is intact；Bouquet consolidation, the loosest；Color and luster is consistent；Alabastrum is tiny, consolidation, do not open；
Scape is fresh and tender, and branch scape is short；Finishing is good, and the cutting of main scape is smooth, and without variable body, marrow tissue causes
Close, the most hollow；Without rotten, mouldy, lopsided, abnormal flavour ftractures, burn, freeze injury, pest and disease damage and machinery
Wound etc.；
(3) cutting: cut siphonal lobe and handle with cutter, cuts into piece, and flower diameter 3～5cm segments
After flower color and luster bud green, block in the same size, alabastrum is tiny, closely, do not open, without pest and disease damage,
Rotten, mouldy, lopsided；
(4) clean: the Caulis et Folium Brassicae capitatae piece after cutting is delivered to bubble washer by conveyer belt, remove Caulis et Folium Brassicae capitatae
In foreign body, this operation carries out twice being carried out altogether；
(5) complete: adding mass fraction in the liquid that completes is the calcium chloride solution of 1%, will by conveyer belt
Cleaned Caulis et Folium Brassicae capitatae piece feeding completes and completes in liquid, the temperature that completes 98 DEG C, fixation time 80s；
(6) cooling: by complete process after Caulis et Folium Brassicae capitatae piece elder generation rapidly with clear water spraying cooling to 60 DEG C, and
After carry out two-stage chilling, described first cooling stage is: in 25 DEG C of normal-temperature water coolers cool down, make
The central temperature of Caulis et Folium Brassicae capitatae piece controls below 30 DEG C, cool time 1min；
Described second cooling stage is: quickly cools down in the frozen water cooler of 0 DEG C, makes Caulis et Folium Brassicae capitatae piece center
Temperature is rapidly decreased to less than 15 DEG C, cool time 2min；Containing matter in the frozen water of described second cooling stage
Amount mark is the lysozyme of 0.05%, to kill harmful microorganism；
(7) select: pick out pest and disease damage, the west not meeting appearance standard such as not of uniform size, heterochromatic blue
Flower；
(8) drain: the Caulis et Folium Brassicae capitatae piece after cooling being processed is sent into vibrate in vibration draining machine and drained；
(9) quick-freezing: the Caulis et Folium Brassicae capitatae piece after draining is sent in fluidization instant freezer by hoisting type conveyer belt,
Quick-freezing built-in temperature is-30 DEG C, and freeze-off time is 15min；
(10) screening: the Caulis et Folium Brassicae capitatae piece after quick-freezing is carried out further hand picking, rejects defective
Flower；
(11) packaging: the Caulis et Folium Brassicae capitatae piece after quick-freezing, screening is packed under conditions of-5～0 DEG C；
(12) cold preservation: by the quick-freezing Caulis et Folium Brassicae capitatae piece cold preservation after packaging, the temperature of freezer is less than-18 DEG C,
Relative humidity is 95%～98%.
The quick-freezing Caulis et Folium Brassicae capitatae piece that the production method of the quick-freezing Caulis et Folium Brassicae capitatae of the present embodiment prepares, in emerald green, color
Pool is consistent, monomer adhesion, and size is uniform, total number of bacterial colonies (individual/gram)≤10000, excrement large intestine bar
Bacterium (individual/100 grams) ＜ 3, pathogenic bacterium (Salmonella, shigella, staphylococcus aureus) are not examined
Going out, taste fragrance and the sweet taste with Caulis et Folium Brassicae capitatae after defrosting, mouthfeel is crisp and refreshing.
Above the specific embodiment of the present invention is described in detail, but content has been only the preferable of the present invention
Embodiment, it is impossible to be considered the practical range for limiting the present invention.All made according to the present patent application scope
Impartial change and improvement etc., within all should still belonging to the patent covering scope of the present invention.
Claims (5)
1. the production method of pollution-free food quick-freezing Caulis et Folium Brassicae capitatae, it is characterised in that: comprise the following steps
(1) purchasing of raw materials: ingredient requirement is fresh, bouquet is tight, in emerald green, without pest and disease damage, without scabbing,
Heterochromatic；
(2) picking of raw material: selected require that color is emerald green or bottle green, diameter 16～22cm, handle length is little
In 2cm, same kind or similar varieties, outward appearance is consistent, fresh, cleaning, ripe appropriateness；Bouquet circle
Whole, intact；Bouquet consolidation, the loosest；Color and luster is consistent；Alabastrum is tiny, consolidation, do not open；Scape
Fresh and tender, branch scape is short；Finishing is good, and the cutting of main scape is smooth, without variable body, and marrow dense structure,
The most hollow；Without rotten, mouldy, lopsided, abnormal flavour ftractures, burn, freeze injury, pest and disease damage and mechanical injury；
(3) cutting: cut siphonal lobe and handle with cutter, cuts into piece, and flower diameter 3～5cm, after segmenting
Flower color and luster is bud green, block in the same size, alabastrum is tiny, closely, do not open, without pest and disease damage, rotten,
Mouldy, lopsided；
(4) clean: the Caulis et Folium Brassicae capitatae piece after cutting is delivered to bubble washer by conveyer belt, remove in Caulis et Folium Brassicae capitatae
Foreign body, this operation carries out twice cleaning altogether；
(5) complete: in the liquid that completes, add the calcium chloride solution that mass fraction is 0.5～1%, will by conveyer belt
Cleaned Caulis et Folium Brassicae capitatae piece feeding completes and completes in liquid, the temperature that completes 95～98 DEG C, fixation time 70～
80s；
(6) cooling: by complete the Caulis et Folium Brassicae capitatae piece elder generation after processing rapidly with clear water spraying cooling to 60 DEG C, and laggard
Row two-stage chilling；
(7) select: pick out pest and disease damage, the Caulis et Folium Brassicae capitatae piece not meeting appearance standard such as not of uniform size, heterochromatic；
(8) drain: the Caulis et Folium Brassicae capitatae piece after cooling being processed is sent into vibrate in vibration draining machine and drained；
(9) quick-freezing: the Caulis et Folium Brassicae capitatae piece after draining is sent in instant freezer by hoisting type conveyer belt, temperature in instant freezer
Degree is-25～-30 DEG C, and freeze-off time is 10～15min；
(10) screening: the Caulis et Folium Brassicae capitatae piece after quick-freezing is carried out further hand picking, rejects defective flower；
(11) packaging: the Caulis et Folium Brassicae capitatae piece after quick-freezing, screening is packed under conditions of-5～0 DEG C；
(12) cold preservation: by the quick-freezing Caulis et Folium Brassicae capitatae piece cold preservation after packaging, the temperature of freezer is less than-18 DEG C, phase
It is 95%～98% to humidity.
The production method of pollution-free food quick-freezing Caulis et Folium Brassicae capitatae the most according to claim 1, it is characterised in that:
In described step (6), two-stage chilling is divided into:
First cooling stage: cool down in 25 DEG C of normal-temperature water coolers, make the central temperature of Caulis et Folium Brassicae capitatae piece control
Less than 30 DEG C, cool time 1min；
Second cooling stage: quickly cool down in the frozen water cooler of 0 DEG C, makes Caulis et Folium Brassicae capitatae piece central temperature drop rapidly
To less than 15 DEG C, cool time 2min；The frozen water of described second cooling stage containing mass fraction is
0.01～the lysozyme of 0.05%, to kill harmful microorganism.
The production method of pollution-free food quick-freezing Caulis et Folium Brassicae capitatae the most according to claim 1, it is characterised in that:
In described step (8), described vibration draining machine is the transmission between vibrosieve, and vibrosieve and instant freezer
Being provided with some blower fans on band, when by vibrosieve Caulis et Folium Brassicae capitatae piece out by conveyer belt, blower fan blows out
It is dried up by cold wind.
The production method of pollution-free food quick-freezing Caulis et Folium Brassicae capitatae the most according to claim 1, it is characterised in that:
In described step (9), described instant freezer is fluidization instant freezer, drains the tiling of the Caulis et Folium Brassicae capitatae piece after process
On its fluid bed, the many Fans being arranged under fluid bed with 6～8m/s speed by cold wind by lower to
On blow, make the central temperature of Caulis et Folium Brassicae capitatae piece reach-18 DEG C；The complete Caulis et Folium Brassicae capitatae piece of quick-freezing should adhesion mutually,
Surface is frostless.
The production method of pollution-free food quick-freezing Caulis et Folium Brassicae capitatae the most according to claim 1, it is characterised in that:
In described step (11), packaging uses polyethylene plastic bag, weighs the quick-freezing of corresponding weight as required
Caulis et Folium Brassicae capitatae piece carries out pouch-packaged, sealing, stamps the date of manufacture simultaneously, pack complete one-tenth in sealing
Product carry out metal detector detection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610296805.4A CN105918435A (en) | 2016-05-08 | 2016-05-08 | Production method of green food quick-frozen broccoli |
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| CN201610296805.4A CN105918435A (en) | 2016-05-08 | 2016-05-08 | Production method of green food quick-frozen broccoli |
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| CN201610296805.4A Pending CN105918435A (en) | 2016-05-08 | 2016-05-08 | Production method of green food quick-frozen broccoli |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106578001A (en) * | 2016-12-14 | 2017-04-26 | 浙江省林业科学研究院 | Staphylea bumalda instant vegetable and processing method thereof |
| CN106819976A (en) * | 2016-12-31 | 2017-06-13 | 阜阳市春天食品有限公司 | A kind of quick-frozen semi-finished product broccoli |
| CN107594434A (en) * | 2017-10-27 | 2018-01-19 | 福建安兴食品有限公司 | A kind of instant broccoli and preparation method thereof |
| CN109363115A (en) * | 2018-09-28 | 2019-02-22 | 曹县鲜之源生态食品有限公司 | A kind of production technology of quick-frozen broccoli |
| CN111838301A (en) * | 2020-06-28 | 2020-10-30 | 南京农业大学 | Method for improving quality of quick-frozen broccoli |
| CN112056386A (en) * | 2020-09-03 | 2020-12-11 | 余姚谷满仓食品有限公司 | Processing technology of quick-frozen broccoli |
| CN114009717A (en) * | 2021-11-05 | 2022-02-08 | 宁波宏纬食品有限公司 | Production method of instant broccoli |
-
2016
- 2016-05-08 CN CN201610296805.4A patent/CN105918435A/en active Pending
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106578001A (en) * | 2016-12-14 | 2017-04-26 | 浙江省林业科学研究院 | Staphylea bumalda instant vegetable and processing method thereof |
| CN106819976A (en) * | 2016-12-31 | 2017-06-13 | 阜阳市春天食品有限公司 | A kind of quick-frozen semi-finished product broccoli |
| CN107594434A (en) * | 2017-10-27 | 2018-01-19 | 福建安兴食品有限公司 | A kind of instant broccoli and preparation method thereof |
| CN109363115A (en) * | 2018-09-28 | 2019-02-22 | 曹县鲜之源生态食品有限公司 | A kind of production technology of quick-frozen broccoli |
| CN111838301A (en) * | 2020-06-28 | 2020-10-30 | 南京农业大学 | Method for improving quality of quick-frozen broccoli |
| CN112056386A (en) * | 2020-09-03 | 2020-12-11 | 余姚谷满仓食品有限公司 | Processing technology of quick-frozen broccoli |
| CN112056386B (en) * | 2020-09-03 | 2022-10-28 | 余姚谷满仓食品有限公司 | Processing technology of quick-frozen broccoli |
| CN114009717A (en) * | 2021-11-05 | 2022-02-08 | 宁波宏纬食品有限公司 | Production method of instant broccoli |
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