CN104957483A - Making method of sweet corn cobs in vacuum soft package - Google Patents
Making method of sweet corn cobs in vacuum soft package Download PDFInfo
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- CN104957483A CN104957483A CN201510294962.7A CN201510294962A CN104957483A CN 104957483 A CN104957483 A CN 104957483A CN 201510294962 A CN201510294962 A CN 201510294962A CN 104957483 A CN104957483 A CN 104957483A
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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
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/02—Preserving by heating
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/02—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
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- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
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Abstract
The invention discloses a making method of sweet corn cobs in vacuum soft package. The making method comprises the following steps: (1) selecting materials; (2) preprocessing the selected materials; (3) classifying the pre-processed materials; (4) cleaning the classified materials; (5) cooking the cleaned materials; (6) cooling the cooked materials; (7) packing the cooled materials; (8) vacuum sealing the packed materials; (9) sterilizing the vacuum sealed materials through a double-pot type sterilizing pot; (10) cooling the sterilized materials; (11) drying the cooled materials by a drying machine at the temperature of 105-120 DEG C and at the conveying speed of 0.02-0.08m/s; and (12) inspecting the dried materials, wherein products are stored for 7 days under the condition of 35 DEG C-39 DEG C in a heat preservation warehouse, products in swelling bags, products with brown color and products which are unqualified in sense organ, physics and chemistry and microorganism index are selected out, and qualified products are packed into boxes. The method disclosed by the invention has the advantages that the production technology is simple, the quality guarantee period of the products is long, the nutrient components are not destroyed, and the sweet corn cobs are convenient to eat.
Description
Technical field
The present invention relates generally to a kind of preparation method of soft vacuum package sweet corn cob.
Background technology
At present, along with the raising of people's living standard, the extremely people's favor of corn food, but common corn can not be preserved for a long time, and need boiling time edible, very inconvenient.
patent of invention content
Just, be to provide one and have production technology simply, shelf life of products is long, does not destroy nutritional labeling, the preparation method of the soft vacuum package sweet corn cob of instant for the technical problem to be solved in the present invention.
For solving the problems of the technologies described above, the present invention adopts the preparation method of a kind of soft vacuum package sweet corn cob of following steps, comprises the following steps:
(1) select materials: suitable kind has general sweet type and strengthens sweet type, seed coat color is comparatively dark, moisture content of kernels is that 70%-73%(starts to detect for 18 days after being pollinated), the shape size of fruit ear and the marshalling degree of seed high, want with light packs putting down gently, in order to avoid crush seed, and process in time, prevent air dry from dewatering;
(2) pretreatment: remove bract, break except footpath end, clean filigree, rejecting is damaged by worms, go rotten, lack grain, look is mixed, not yet done or overdone corncob; Acceptable material usable concentration 1%-1.5% saline solution soaks 1-5 hour, and object is seasoning, cooling, expelling parasite; (3) classification: whole fringe corn requires not bald point, not bald tail, diameter 4.5-5.0 centimetre, length 18-20 centimetre; Segment corn requires reject meticulous or cross coarse raw materials, and cuts away butt end 1-2 centimetre and most advanced and sophisticated 3-5 centimetre, and otch is smooth and without crushed seed; In a word, raw material size even thickness is consistent; (4) clean: with circulating water rapid cleanup spot, filigree etc.; (5) boiling: the most handy steam to 80-100 DEG C, continues 6-15 minute to heating raw materials; (6) cool: with 16-20 DEG C of clear water spray or immersion 2-5 minute, make table temperature drop to 50-60 DEG C;
(7) pack: load in retort pouch in time, notice that major part pushes inward at the bottom of bag, sack does not stay impurity; (8) vacuum seal: evacuated time 10-20 second, vacuum 0.080-0.095MPa, sealing heat time 3-5 second;
(9) sterilization: adopt double-pot type sterilization kettle, inject the cold water of tank volume 80% in hot-water cylinder, with 0.49MPa steam pressure, water is warming up to 121-125 DEG C; Flexible package corn is pushed sterilization kettle, closes still door; Hot water is flowed into disinfection tank, pressurization makes temperature rise to 106-120 DEG C, in tank, absolute pressure 0.12-0.21MPa maintains 10-80 minute, circulates 5 minutes every 5 minutes heat-exchanger pumps; After sterilization, hot water is returned hot-water cylinder, open compressed air inlet valve simultaneously, keep back-pressure higher than sterilization pressure 0.02-0.03MPa; (10) cool: after hot water emptying, keep 0.14-0.24MPa back-pressure, add cold water and carry out circulating cooling; After water temperature is down to 30 DEG C, discharge cold water, release back-pressure, takes out product when Pressure gauge is zero; (11) dry: adopt dryer, temperature 105-120 DEG C, transporting velocity 0.02-0.08m/s; (12) check: product 37 ± 2 DEG C of conditions in heat room transfer seven days, choose swollen bag product, color browning product and underproof product in sense organ, physics and chemistry, microbiological indicator, case thereafter.
After adopting above step, patent of the present invention compared with prior art, has the following advantages: it is simple that the flexible packed sweet maize adopting the method to produce has production technology, and shelf life of products is long, does not destroy nutritional labeling, the advantages such as instant.
Detailed description of the invention
Specific embodiment is described further patent of the present invention below:
The preparation method of a kind of soft vacuum package sweet corn cob of the present invention, comprises the following steps:
(1) select materials: suitable kind has general sweet type and strengthens sweet type, seed coat color is comparatively dark, moisture content of kernels is that 70%-73%(starts to detect for 18 days after being pollinated), the shape size of fruit ear and the marshalling degree of seed high, want with light packs putting down gently, in order to avoid crush seed, and process in time, prevent air dry from dewatering;
(2) pretreatment: remove bract, break except footpath end, clean filigree, rejecting is damaged by worms, go rotten, lack grain, look is mixed, not yet done or overdone corncob; Acceptable material usable concentration 1%-1.5% saline solution soaks 1-5 hour, and object is seasoning, cooling, expelling parasite; (3) classification: whole fringe corn requires not bald point, not bald tail, diameter 4.5-5.0 centimetre, length 18-20 centimetre; Segment corn requires reject meticulous or cross coarse raw materials, and cuts away butt end 1-2 centimetre and most advanced and sophisticated 3-5 centimetre, and otch is smooth and without crushed seed; In a word, raw material size even thickness is consistent; (4) clean: with circulating water rapid cleanup spot, filigree etc.; (5) boiling: the most handy steam to 80-100 DEG C, continues 6-15 minute to heating raw materials; (6) cool: with 16-20 DEG C of clear water spray or immersion 2-5 minute, make table temperature drop to 50-60 DEG C;
(7) pack: load in retort pouch in time, notice that major part pushes inward at the bottom of bag, sack does not stay impurity; (8) vacuum seal: evacuated time 10-20 second, vacuum 0.080-0.095MPa, sealing heat time 3-5 second;
(9) sterilization: adopt double-pot type sterilization kettle, inject the cold water of tank volume 80% in hot-water cylinder, with 0.49MPa steam pressure, water is warming up to 121-125 DEG C; Flexible package corn is pushed sterilization kettle, closes still door; Hot water is flowed into disinfection tank, pressurization makes temperature rise to 106-120 DEG C, in tank, absolute pressure 0.12-0.21MPa maintains 10-80 minute, circulates 5 minutes every 5 minutes heat-exchanger pumps; After sterilization, hot water is returned hot-water cylinder, open compressed air inlet valve simultaneously, keep back-pressure higher than sterilization pressure 0.02-0.03MPa; (10) cool: after hot water emptying, keep 0.14-0.24MPa back-pressure, add cold water and carry out circulating cooling; After water temperature is down to 30 DEG C, discharge cold water, release back-pressure, takes out product when Pressure gauge is zero; (11) dry: adopt dryer, temperature 105-120 DEG C, transporting velocity 0.02-0.08m/s; (12) check: product 37 ± 2 DEG C of conditions in heat room transfer seven days, choose swollen bag product, color browning product and underproof product in sense organ, physics and chemistry, microbiological indicator, case thereafter.
Claims (1)
1. a preparation method for soft vacuum package sweet corn cob, is characterized in that: comprise the following steps:
(1) select materials: suitable kind has general sweet type and strengthens sweet type, seed coat color is comparatively dark, moisture content of kernels is that 70%-73%(starts to detect for 18 days after being pollinated), the shape size of fruit ear and the marshalling degree of seed high, want with light packs putting down gently, in order to avoid crush seed, and process in time, prevent air dry from dewatering;
(2) pretreatment: remove bract, break except footpath end, clean filigree, rejecting is damaged by worms, go rotten, lack grain, look is mixed, not yet done or overdone corncob; Acceptable material usable concentration 1%-1.5% saline solution soaks 1-5 hour, and object is seasoning, cooling, expelling parasite;
(3) classification: whole fringe corn requires not bald point, not bald tail, diameter 4.5-5.0 centimetre, length 18-20 centimetre; Segment corn requires reject meticulous or cross coarse raw materials, and cuts away butt end 1-2 centimetre and most advanced and sophisticated 3-5 centimetre, and otch is smooth and without crushed seed; In a word, raw material size even thickness is consistent;
(4) clean: with circulating water rapid cleanup spot, filigree etc.;
(5) boiling: the most handy steam to 80-100 DEG C, continues 6-15 minute to heating raw materials;
(6) cool: with 16-20 DEG C of clear water spray or immersion 2-5 minute, make table temperature drop to 50-60 DEG C;
(7) pack: load in retort pouch in time, notice that major part pushes inward at the bottom of bag, sack does not stay impurity;
(8) vacuum seal: evacuated time 10-20 second, vacuum 0.080-0.095MPa, sealing heat time 3-5 second;
(9) sterilization: adopt double-pot type sterilization kettle, inject the cold water of tank volume 80% in hot-water cylinder, with 0.49MPa steam pressure, water is warming up to 121-125 DEG C; Flexible package corn is pushed sterilization kettle, closes still door; Hot water is flowed into disinfection tank, pressurization makes temperature rise to 106-120 DEG C, in tank, absolute pressure 0.12-0.21MPa maintains 10-80 minute, circulates 5 minutes every 5 minutes heat-exchanger pumps; After sterilization, hot water is returned hot-water cylinder, open compressed air inlet valve simultaneously, keep back-pressure higher than sterilization pressure 0.02-0.03MPa;
(10) cool: after hot water emptying, keep 0.14-0.24MPa back-pressure, add cold water and carry out circulating cooling; After water temperature is down to 30 DEG C, discharge cold water, release back-pressure, takes out product when Pressure gauge is zero;
(11) dry: adopt dryer, temperature 105-120 DEG C, transporting velocity 0.02-0.08m/s;
(12) check: product 37 ± 2 DEG C of conditions in heat room transfer seven days, choose swollen bag product, color browning product and underproof product in sense organ, physics and chemistry, microbiological indicator, case thereafter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510294962.7A CN104957483A (en) | 2015-06-02 | 2015-06-02 | Making method of sweet corn cobs in vacuum soft package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510294962.7A CN104957483A (en) | 2015-06-02 | 2015-06-02 | Making method of sweet corn cobs in vacuum soft package |
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| CN104957483A true CN104957483A (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510294962.7A Pending CN104957483A (en) | 2015-06-02 | 2015-06-02 | Making method of sweet corn cobs in vacuum soft package |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2644594C1 (en) * | 2016-10-14 | 2018-02-13 | Общество с ограниченной ответственностью "КОНСАЛТИНГОВАЯ ГРУППА "КВАДРАТ" | Method of preparing the boiled corn in vacuum packaging |
| CN115812902A (en) * | 2022-12-03 | 2023-03-21 | 齐齐哈尔大学 | Method for improving quality of fresh waxy corn by inhibiting respiration and oxygen permeation |
-
2015
- 2015-06-02 CN CN201510294962.7A patent/CN104957483A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2644594C1 (en) * | 2016-10-14 | 2018-02-13 | Общество с ограниченной ответственностью "КОНСАЛТИНГОВАЯ ГРУППА "КВАДРАТ" | Method of preparing the boiled corn in vacuum packaging |
| CN115812902A (en) * | 2022-12-03 | 2023-03-21 | 齐齐哈尔大学 | Method for improving quality of fresh waxy corn by inhibiting respiration and oxygen permeation |
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Application publication date: 20151007 |