CN109717350A - Zongzi antistaling process - Google Patents
Zongzi antistaling process Download PDFInfo
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- CN109717350A CN109717350A CN201910159480.9A CN201910159480A CN109717350A CN 109717350 A CN109717350 A CN 109717350A CN 201910159480 A CN201910159480 A CN 201910159480A CN 109717350 A CN109717350 A CN 109717350A
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- zongzi
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- essential oil
- rice
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
Abstract
The invention discloses Zongzi antistaling process, comprising: A) boiling: boiling is carried out as raw material to wrap up molding Zongzi；B) cooling: the Zongzi after boiling is cooled down；C) coating: Zongzi surface after the cooling period coats sticky fresh-keeping material, wherein, fresh-keeping material includes the component A of following parts by weight, B component, component A: 5-8 parts of grape pip essential oil, 4-6 parts of fennel essential oil, 1-2 parts of ascorbic acid, 5-7 parts of citric acid, 5-7 parts of glacial acetic acid, 30-35 parts of zein film, the slurry that component A is constituted is coated on the Zongzi surface and forms film layer, B component: 18-25 parts of rice-straw ash, 10-15 parts of water, 5-10 parts of glycerol, 4-6 parts of konjaku flour, the surface that the slurry that the B component is constituted is coated on component A is formed into the protective layer with sterilizing function；D) pack: the Zongzi for coating fresh-keeping material utilizes vacuum packaging bag to pack after air drying.
Description
Technical field
The present invention relates to vacuum Zongzi preservation technologies, and in particular to a kind of Zongzi antistaling process.
Background technique
Zongzi is formed by rice-pudding leaf package glutinous rice and other auxiliary material boilings, and auxiliary material may include meat, sweetened bean paste, yolk, jujube, chestnut etc.
Deng.The traditional production technology of Zongzi determine its from the introduction of raw material until the packaging of finished product requires a large amount of manual operation,
Human factor influences greatly, and vulnerable to pollution, quality should not be controlled, and the production of Zongzi and consumption busy season are traditional " Dragon Boat Festivals "
In the time, ambient temperature and humidity is high, easy moldy metamorphism, in addition the water activity of fresh rice-pudding is high, packaging is simple, causes fresh rice-pudding shelf life
Short, sale radius is small.
So far, the production technology in Zongzi production process and production environment do not do related request, in technical process
Personnel's pollution, equipment pollution, utensil pollution, packaging material, environmental pollution etc. cause Zongzi microorganism largely to breed, and then lead
Cause the Zongzi shelf-life short, edible safety has to be solved.
To solve the problems, such as that Zongzi shelf life is short, mostly uses and vacuumize-fresh-keeping the mode of pasteurize.Using this mode
The shelf life of Zongzi can be extended to a certain degree, but on the uniformly some influences of the appearance of Zongzi, mouthfeel and flavor.
Summary of the invention
In view of the above technical problems, the present invention provides a kind of Zongzi antistaling process, by the design of fresh-keeping material, so that Zongzi
In the case where storage is for three months, original mouthfeel, smell can be still kept, Zongzi is carried out effectively fresh-keeping.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: Zongzi antistaling process, comprising:
A) boiling: boiling is carried out as raw material to wrap up molding Zongzi；
B) cooling: the Zongzi after boiling is cooled down；
C) coating: Zongzi surface after the cooling period coats sticky fresh-keeping material,
Wherein, fresh-keeping material includes the component A of following parts by weight, B component, component A: 5-8 parts of grape pip essential oil, fennel essential oil
4-6 parts, 1-2 parts of ascorbic acid, 5-7 parts of citric acid, 5-7 parts of glacial acetic acid, 30-35 parts of zein film, by component A structure
At slurry be coated on the Zongzi surface and form film layer,
B component: 18-25 parts of rice-straw ash, 10-15 parts of water, 5-10 parts of glycerol, 4-6 parts of konjaku flour constitute the B component
Slurry be coated on component A surface formed have sterilizing function protective layer；
D) pack: the Zongzi for coating fresh-keeping material utilizes vacuum packaging bag to pack after air drying.
On the basis of above scheme, preferably, the component A are as follows: 5 parts of grape pip essential oil, 4 parts of fennel essential oil,
1 part of ascorbic acid, 5 parts of citric acid, 5 parts of glacial acetic acid, 30 parts of zein film.
On the basis of above scheme, preferably, the component A are as follows: 8 parts of grape pip essential oil, 6 parts of fennel essential oil,
2 parts of ascorbic acid, 7 parts of citric acid, 7 parts of glacial acetic acid, 35 parts of zein film.
On the basis of above scheme, preferably, the component A are as follows: 6 parts of grape pip essential oil, 5 parts of fennel essential oil,
1.5 parts of ascorbic acid, 6 parts of citric acid, 6 parts of glacial acetic acid, 33 parts of zein film.
On the basis of above scheme, preferably, B component are as follows: 18 parts of rice-straw ash, 10 parts of water, 5 parts of glycerol, konjaku flour 4
Part.
On the basis of above scheme, preferably, B component are as follows: 25 parts of rice-straw ash, 15 parts of water, 10 parts of glycerol, konjaku flour
6 parts.
On the basis of above scheme, preferably, B component are as follows: 20 parts of rice-straw ash, 12 parts of water, 8 parts of glycerol, konjaku flour 5
Part.
On the basis of above scheme, preferably, further including rice-straw ash initial filter step, the vibrating screen pair of 300 mesh is utilized
Rice-straw ash carries out primary filtration and forms subtle powder.
On the basis of above scheme, preferably, the raw material of B component stirs in agitator is respectively formed B slurry, B slurry
Expect to be coated in film layer after the screen to filtrate not less than 300 mesh and forms protective layer.
The beneficial effects of the present invention are: by the design of fresh-keeping material, so that Zongzi is the case where storage is for three months
Under, original mouthfeel, smell can be still kept, Zongzi is carried out effectively fresh-keeping.
Wherein, the design for adding glycerol is crossed, combines it with konjaku flour, so that protective layer has good toughness,
Do not occur in packaging process fracture (because Zongzi shape scrambling and vacuum packaging when deformation, will lead to film layer protective layer,
Film layer rupture), better protective film layer.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
Zongzi antistaling process, comprising:
A) boiling: boiling is carried out as raw material to wrap up molding Zongzi；
B) cooling: the Zongzi after boiling is cooled down；
C) coating: Zongzi surface after the cooling period coats sticky fresh-keeping material,
Wherein, fresh-keeping material includes the component A of following parts by weight, B component, component A: 5-8 parts of grape pip essential oil, fennel essential oil
4-6 parts, 1-2 parts of ascorbic acid, 5-7 parts of citric acid, 5-7 parts of glacial acetic acid, 30-35 parts of zein film, by component A structure
At slurry be coated on the Zongzi surface and form film layer,
B component: 18-25 parts of rice-straw ash, 10-15 parts of water, 5-10 parts of glycerol, 4-6 parts of konjaku flour constitute the B component
Slurry be coated on component A surface formed have sterilizing function protective layer；
D) pack: the Zongzi for coating fresh-keeping material utilizes vacuum packaging bag to pack after air drying.
In the above technical solution, film layer made of component A, can be wrapped in rice-pudding leaf namely Zongzi surface forms preliminary guarantor
Sheath can inhibit bacterium with moisture-proof, oxygen barrier, uvioresistant, glossiness characteristic, while keeping Zongzi original flavor, make
It obtaining Zongzi rice-pudding leaf after removing the fresh-keeping bed of material and keeps original texture, konjaku flour, effect of congealing is preferable, and colorless and transparent, surface is smooth,
Elastic toughness is fine very well, and without peculiar smell, when being used as conventional additives, additive amount is usually 3% or so, that is, is added routinely
Under dosage, the number of konjaku flour should be a left and right in B component, and in the present invention, by adding the design of glycerol, make its with
Konjaku flour combines, so that protective layer has good toughness, fracture does not occur during the packaging process (because of not advising for Zongzi shape
Then deformation when property and vacuum packaging will lead to film layer protective layer, film layer rupture), better protective film layer.
Wherein, grape pip essential oil has the characteristic of Nantural non-toxic, containing a kind of very important element, procyanidine,
Abbreviation OPC is a kind of bioflavonoid for having special molecular structure, is effective natural, for the guarantor of food
It is fresh to play important fresh-keeping antioxidation.
More specifically,
Embodiment one:
Zongzi antistaling process, comprising:
A) boiling: boiling is carried out as raw material to wrap up molding Zongzi；
B) cooling: the Zongzi after boiling is cooled down；
C) coating: Zongzi surface after the cooling period coats sticky fresh-keeping material,
Wherein, fresh-keeping material includes the component A of following parts by weight, B component, component A: 5 parts of grape pip essential oil, fennel essential oil 4
Part, 1 part of ascorbic acid, 5 parts of citric acid, 5 parts of glacial acetic acid, 30 parts of zein film, the slurry that component A is constituted are coated with
Film layer is formed on the Zongzi surface,
B component: the slurry that the B component is constituted is coated on by 18 parts of rice-straw ash, 10 parts of water, 5 parts of glycerol, 4 parts of konjaku flour
The surface of component A forms the protective layer with sterilizing function；
D) pack: the Zongzi for coating fresh-keeping material utilizes vacuum packaging bag to pack after air drying.
In above-mentioned step C, rice-straw ash is for first carrying out initial filter processing before making B slurry, and concrete processing procedure is such as
Under: primary filtration is carried out to rice-straw ash using the vibrating screen not less than 300 mesh and forms subtle powder.Rice-straw ash in forming process because
There are various foreign matters, such as wire, plastics in straw, after combustion can not at ash, as directly it is agitated B slurry is made after
It is directly coated again, damage film layer influences fresh-keeping effect, therefore primary filtration is used to handle, raising rice-straw ash quality, after satisfaction
Continuous production requirement.
Embodiment two:
Zongzi antistaling process, comprising:
A) boiling: boiling is carried out as raw material to wrap up molding Zongzi；
B) cooling: the Zongzi after boiling is cooled down；
C) coating: Zongzi surface after the cooling period coats sticky fresh-keeping material,
Wherein, fresh-keeping material includes the component A of following parts by weight, B component, component A: 8 parts of grape pip essential oil, fennel essential oil 6
Part, 2 parts of ascorbic acid, 7 parts of citric acid, 7 parts of glacial acetic acid, 35 parts of zein film, the slurry that component A is constituted are coated with
Film layer is formed on the Zongzi surface,
B component: 25 parts of rice-straw ash, 15 parts of water, 10 parts of glycerol, 6 parts of konjaku flour, the slurry that the B component is constituted are coated with
The protective layer with sterilizing function is formed on the surface of component A；
D) pack: the Zongzi for coating fresh-keeping material utilizes vacuum packaging bag to pack after air drying.
In above-mentioned step C, rice-straw ash is for first carrying out initial filter processing before making B slurry, and concrete processing procedure is such as
Under: primary filtration is carried out to rice-straw ash using the vibrating screen not less than 300 mesh and forms subtle powder., rice-straw ash is in forming process
It, after combustion can not be such as directly agitated that B slurry is made at ash because there are various foreign matters, such as wire, plastics in straw
It is directly coated again afterwards, damages film layer, influence fresh-keeping effect, therefore primary filtration is used to handle, improve rice-straw ash quality, meet
Subsequent production demand.
Wherein, for B slurry, the vibrating screen not less than 300 mesh is recycled to be filtered, double filtration protection.
Embodiment three:
Zongzi antistaling process, comprising:
A) boiling: boiling is carried out as raw material to wrap up molding Zongzi；
B) cooling: the Zongzi after boiling is cooled down；
C) coating: Zongzi surface after the cooling period coats sticky fresh-keeping material,
Wherein, fresh-keeping material includes the component A of following parts by weight, B component, component A: 6 parts of grape pip essential oil, fennel essential oil 5
Part, 1.5 parts of ascorbic acid, 6 parts of citric acid, 6 parts of glacial acetic acid, 33 parts of zein film, the slurry that component A is constituted apply
Cloth forms film layer on the Zongzi surface,
B component: the slurry that the B component is constituted is coated on by 20 parts of rice-straw ash, 12 parts of water, 8 parts of glycerol, 5 parts of konjaku flour
The surface of component A forms the protective layer with sterilizing function；
D) pack: the Zongzi for coating fresh-keeping material utilizes vacuum packaging bag to pack after air drying.
In above-mentioned step C, the raw material of B component is made to form B slurry coarse fodder, utilizes the vibrating screen for being not less than 300
It is filtered to form B slurry.
For embodiment one to three, by taking hundred Zongzis save three months as an example, test of many times is carried out, about rice-pudding leaf, packaging
Rice-pudding leaf be it is emerald green, data are referring to following table, and wherein breakage rate refers to that there are the ratios of breach in the rice-pudding leaf of package Zongzi:
Table one:
Table two:
Table three:
It has been found by contrast that dark yellow region is spread at breach to whole piece in three embodiments of the invention.
Double filtration mode is compared with substance filter type, and breakage rate reduces by about one time.
In three groups of above-mentioned tests, zong-zi taste, smell aspect are compared with fresh Zongzi (in terms of 10 points), obtained
Following table out:
Table four
| Fresh Zongzi | Embodiment one | Embodiment two | Embodiment three | Conventional vacuum packaging | |
| Mouthfeel | 10 | 10 | 10 | 10 | 7 |
| Smell | 10 | 10 | 10 | 10 | 7 |
In the above technical solution, combination to glycerol and konjaku flour has following sense organ, is as follows:
| Rice-pudding leaf breach rate | Former rice-pudding leaf | Konjaku flour is contained only in protective layer | Protective layer (glycerol+konjaku flour) |
| First group | 70% | 30% | 10% |
| Second group | 73% | 35% | 7% |
| Third group | 65% | 38% | 12% |
For those skilled in the art, technical solution documented by foregoing embodiments can still be repaired
Change or equivalent replacement of some of the technical features, it is all within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. Zongzi antistaling process characterized by comprising
A) boiling: boiling is carried out as raw material to wrap up molding Zongzi；
B) cooling: the Zongzi after boiling is cooled down；
C) coating: Zongzi surface after the cooling period coats sticky fresh-keeping material,
Wherein, fresh-keeping material includes the component A of following parts by weight, B component, component A: 5-8 parts of grape pip essential oil, fennel essential oil 4-6
Part, 1-2 parts of ascorbic acid, 5-7 parts of citric acid, 5-7 parts of glacial acetic acid, 30-35 parts of zein film, component A is constituted
Slurry be coated on the Zongzi surface and form film layer,
B component: 18-25 parts of rice-straw ash, 10-15 parts of water, 5-10 parts of glycerol, 4-6 parts of konjaku flour, the slurry that the B component is constituted
The surface that material is coated on component A forms the protective layer with sterilizing function；
D) pack: the Zongzi for coating fresh-keeping material utilizes vacuum packaging bag to pack after air drying.
2. Zongzi antistaling process as described in claim 1, which is characterized in that the component A are as follows: 5 parts of grape pip essential oil, fennel
4 parts of essential oil, 1 part of ascorbic acid, 5 parts of citric acid, 5 parts of glacial acetic acid, 30 parts of zein film.
3. Zongzi antistaling process as described in claim 1, which is characterized in that the component A are as follows: 8 parts of grape pip essential oil, fennel
6 parts of essential oil, 2 parts of ascorbic acid, 7 parts of citric acid, 7 parts of glacial acetic acid, 35 parts of zein film.
4. Zongzi antistaling process as described in claim 1, which is characterized in that the component A are as follows: 6 parts of grape pip essential oil, fennel
5 parts of essential oil, 1.5 parts of ascorbic acid, 6 parts of citric acid, 6 parts of glacial acetic acid, 33 parts of zein film.
5. Zongzi antistaling process as described in claim 1, which is characterized in that B component are as follows: 18 parts of rice-straw ash, 10 parts of water, glycerol
5 parts, 4 parts of konjaku flour.
6. Zongzi antistaling process as described in claim 1, which is characterized in that B component are as follows: 25 parts of rice-straw ash, 15 parts of water, glycerol
10 parts, 6 parts of konjaku flour.
7. Zongzi antistaling process as described in claim 1, which is characterized in that B component are as follows: 20 parts of rice-straw ash, 12 parts of water, glycerol
8 parts, 5 parts of konjaku flour.
8. such as Zongzi antistaling process of any of claims 1-7, which is characterized in that further include rice-straw ash initial filter step
Suddenly, primary filtration is carried out to rice-straw ash using the vibrating screen of 300 mesh and forms subtle powder.
9. such as Zongzi antistaling process of any of claims 1-7, which is characterized in that the raw material of B component is in agitator
Interior stirring is respectively formed B slurry, and B slurry is coated in film layer after the screen to filtrate not less than 300 mesh and forms protective layer.
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| CN201910159480.9A CN109717350A (en) | 2019-03-04 | 2019-03-04 | Zongzi antistaling process |
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| CN105341619A (en) * | 2015-11-24 | 2016-02-24 | 上海海洋大学 | Coating antistaling agent for food and preparation method thereof |
| CN105795341A (en) * | 2016-03-11 | 2016-07-27 | 无锡市善源生物科技有限公司 | Traditional Chinese rice pudding preservation method based on hurdle technology and prepared preserved traditional Chinese rice pudding products by applying the method |
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| CN107279260A (en) * | 2017-06-29 | 2017-10-24 | 倪群 | A kind of preparation method of the nano combined egg coating fresh-keeping agent of konjac glucomannan |
| CN107484816A (en) * | 2017-07-27 | 2017-12-19 | 湖北凤头食品有限公司 | A kind of Chinese toon storage fresh-keeping and processing method |
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2019
- 2019-03-04 CN CN201910159480.9A patent/CN109717350A/en active Pending
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| CN105341619A (en) * | 2015-11-24 | 2016-02-24 | 上海海洋大学 | Coating antistaling agent for food and preparation method thereof |
| CN105795341A (en) * | 2016-03-11 | 2016-07-27 | 无锡市善源生物科技有限公司 | Traditional Chinese rice pudding preservation method based on hurdle technology and prepared preserved traditional Chinese rice pudding products by applying the method |
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| CN107279260A (en) * | 2017-06-29 | 2017-10-24 | 倪群 | A kind of preparation method of the nano combined egg coating fresh-keeping agent of konjac glucomannan |
| CN107484816A (en) * | 2017-07-27 | 2017-12-19 | 湖北凤头食品有限公司 | A kind of Chinese toon storage fresh-keeping and processing method |
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