CN105544295B - A kind of preserving fruit and vegetable utilizing heat-insulating carton coating and preparation method thereof - Google Patents
A kind of preserving fruit and vegetable utilizing heat-insulating carton coating and preparation method thereof Download PDFInfo
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- CN105544295B CN105544295B CN201510870076.4A CN201510870076A CN105544295B CN 105544295 B CN105544295 B CN 105544295B CN 201510870076 A CN201510870076 A CN 201510870076A CN 105544295 B CN105544295 B CN 105544295B
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- preparation
- adsorbent
- coating
- aluminum oxide
- vegetable utilizing
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/28—Colorants ; Pigments or opacifying agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/54—Starch
Landscapes
- Storage Of Fruits Or Vegetables (AREA)
Abstract
A kind of preserving fruit and vegetable utilizing heat-insulating carton coating, its raw material composition and weight part ratio are：Oxidised maize starch 10~20, water 40~80, adsorbent 0.5~1, preservative 0.1~0.2, viscosity modifier 0.006~0.008, wherein, adsorbent is the zeolite powder for being adsorbed with potassium permanganate and aluminum oxide, and its raw material composition and weight part ratio are：Potassium permanganate 5~7, aluminum oxide 0.4~0.6, water 80~100, zeolite powder 120~160, during preparation, zeolite powder is added after first mixing potassium permanganate, aluminum oxide in proportion with water, soaking and stirring is to obtain adsorbent, adsorbent and preservative are added after oxidised maize starch is mixed in proportion with water again, and 78~83 DEG C of stirrings are warming up to system into pasty state, then add viscosity modifier and stir.The design significantly improves fresh-keeping effect.
Description
Technical field
The present invention relates to a kind of antistaling coating, specially a kind of preserving fruit and vegetable utilizing heat-insulating carton coating and preparation method thereof.
Background technology
Fruits and vegetables contain the various nutriments of human body needs, and fresh fruit of vegetables maintains normal physiological activity very for human body
It is important.But because fruits and vegetables production region, seasonality and consumer demand generate contradiction, cause most consumers not
Fresh fruit may be tasted in the very first time.How to maintain what fruits and vegetables freshness was increasingly paid close attention into people while accumulating
Key issue.Paper-packed products rank first place in the major product of packaging industry, occupy larger specific gravity.In China, its output value accounts for
As many as 40% of total package industrial output.Development fruits and vegetables heat preserving antistaling carton plays critically important effect in fruits and vegetables storage and transport process.
Due to the independence and resistance to pressure of carton, it can play good packing container during fruits and vegetables long distance transportation
Effect, not only can be with good packaging, while can also be advantageous to fair trading, and valuation is accurate, is easy to pile.Current is traditional fresh-keeping
Method is that antistaling agent is placed inside corrugated case, fresh-keeping effect is characterized by the change of its color, not only bad for holding
The integrality of fruit has been packaged, has also had great difficulty in conveying people operation；Using high-tech physical means, such as controlled atmosphere
Fresh-keeping, radiation preservation etc., not only energy consumption is big, and cost is high, can also be had a certain impact for the quality of fruit in itself, existing market
On the fresh-keeping corrugated case that has been developed mostly using hole arrangement or interior weighing device, it is impossible to while take into account fresh-keeping effect and
The needs of packed and transported.
Chinese patent：Authorization Notice No. CN102702804B, authorized announcement date in September, 2014 patent of invention of 24 days disclose
A kind of fruit composite fresh-keeping coating and preparation method thereof, the antistaling coating is used as second by white carbon, attapulgite, KMnO4 etc.
Alkene absorbent, using cinnamic acid, galangal, electrolyzed acid water etc. as antibacterial, bactericide, and made after being mixed with enzyme converted starch etc.
It is standby to form.Although the coating carries out covering with paint processing in corrugated case inner surface, fresh-keeping effect can be reached, its fresh-keeping effect has
Limit, the absorption decomposition efficiency to ethene need further to be lifted.
The content of the invention
The purpose of the present invention is to overcome the problem of fresh-keeping effect is bad existing for prior art, there is provided one kind can be effectively improved
Nontoxic preserving fruit and vegetable utilizing heat-insulating carton coating of fresh-keeping effect and preparation method thereof.
To realize object above, the invention provides following technical scheme：
A kind of preserving fruit and vegetable utilizing heat-insulating carton coating, the raw material composition and its weight part ratio of the coating are：Aoxidize corn
Starch 10~20, water 40~80, adsorbent 0.5~1, preservative 0.1~0.2, viscosity modifier 0.006~0.008, its
In, the adsorbent is the zeolite powder for being adsorbed with potassium permanganate and aluminum oxide, and its raw material composition and weight part ratio are：Potassium permanganate
5~7, aluminum oxide 0.4~0.6, water 80~100, zeolite powder 120~160.
The preservative is sodium benzoate.
The viscosity modifier is alpha-amylase.
A kind of preparation method of preserving fruit and vegetable utilizing heat-insulating carton coating, comprises the following steps successively：
The preparation of adsorbent：Zeolite powder, soaking and stirring 0.5 are added after potassium permanganate, aluminum oxide are mixed in proportion with water
~1h obtains adsorbent so that zeolite powder fully adsorbs potassium permanganate and aluminum oxide；
The preparation of coating：First oxidised maize starch and water are mixed in proportion, add adsorbent, preservative mixes
Close, be then warming up to 78~83 DEG C of stirrings to system into pasty state, then add viscosity modifier and stir, that is, obtain fruits and vegetables guarantor
Fresh heat-insulating carton coating.
In the preparation process of the coating, the pH to 4.0 of regulation system after alpha-amylase stirring is added.
In the preparation process of the coating, from sodium hydroxide and the pH of hydrochloric acid regulation system to 4.0.
The preservative is sodium benzoate.
The viscosity modifier is alpha-amylase.
Compared with prior art, beneficial effects of the present invention are：
1st, adsorbent uses and is adsorbed with potassium permanganate and aluminum oxide in a kind of preserving fruit and vegetable utilizing heat-insulating carton coating of the present invention
Zeolite powder, on the one hand, aluminum oxide can not only be catalyzed ethylene decomposition, and may additionally facilitate absorption of the potassium permanganate to ethene point
Solution, both are adsorbed simultaneously can significantly improve absorption discomposing effect of the coating to ethene on zeolite powder；On the other hand, the design
From the zeolite powder with huge internal surface area as absorption carrier, not only with more preferable adsorption effect, and height can be made
Potassium manganate and alumina adsorption are more uniformly distributed, while a variety of colors can also be mixed into pigment, meet client for applying
Expect the demand of color.Therefore, the present invention not only significantly improve the absorption decomposition efficiency of ethene, and disclosure satisfy that client for
The demand of painting color.
2nd, a kind of preserving fruit and vegetable utilizing heat-insulating carton of the present invention needs after being stirred with addition viscosity modifier in the preparation method of coating
The pH of regulation system to 4.0, under the conditions of the pH, the effect of potassium permanganate oxidation ethene is most strong, and the anti-corrosion effect of sodium benzoate
Fruit is optimal, is advantageous to coating and plays its optimal fresh keeping property.Therefore, this method is advantageous to coating to play it optimal freshness
Energy.
Embodiment
With reference to embodiment, the invention will be further described.
A kind of preserving fruit and vegetable utilizing heat-insulating carton coating, the raw material composition and its weight part ratio of the coating are：Aoxidize corn
Starch 10~20, water 40~80, adsorbent 0.5~1, preservative 0.1~0.2, viscosity modifier 0.006~0.008, its
In, the adsorbent is the zeolite powder for being adsorbed with potassium permanganate and aluminum oxide, and its raw material composition and weight part ratio are：Potassium permanganate
5~7, aluminum oxide 0.4~0.6, water 80~100, zeolite powder 120~160.
The preservative is sodium benzoate.
The viscosity modifier is alpha-amylase.
A kind of preparation method of preserving fruit and vegetable utilizing heat-insulating carton coating, comprises the following steps successively：
The preparation of adsorbent：Zeolite powder, soaking and stirring 0.5 are added after potassium permanganate, aluminum oxide are mixed in proportion with water
~1h obtains adsorbent so that zeolite powder fully adsorbs potassium permanganate and aluminum oxide；
The preparation of coating：First oxidised maize starch and water are mixed in proportion, add adsorbent, preservative mixes
Close, be then warming up to 78~83 DEG C of stirrings to system into pasty state, then add viscosity modifier and stir, that is, obtain fruits and vegetables guarantor
Fresh heat-insulating carton coating.
In the preparation process of the coating, the pH to 4.0 of regulation system after alpha-amylase stirring is added.
In the preparation process of the coating, from sodium hydroxide and the pH of hydrochloric acid regulation system to 4.0.
The preservative is sodium benzoate.
The viscosity modifier is alpha-amylase.
The principle of the present invention is described as follows：
The invention provides a kind of nontoxic vegetables and fruits antistaling coating, the coating using zeolite powder as absorption carrier, its with
Charcoal absorption carrier is compared and had the advantage that：
1st, fresh-keeping coating material for fruit and vegetable usually requires that true qualities or light color, and the addition of activated carbon can cause coating to turn into black, can not
Light color is mixed into pigment, and zeolite powder is not in then above mentioned problem；
2nd, zeolite forms the pore passage structure that four-membered ring and hexatomic ring formed by silicon-oxy tetrahedron and alumina octahedral, and its is micro-
Hole size is 2~50nm, has huge internal surface area, and activated carbon is mostly unbodied loose structure, and its pore size is big
In 50mm, as absorption carrier, zeolite can more fully adsorb potassium permanganate and aluminum oxide；
3rd, activated carbon is smaller than zeolite to the adsorption capacity of ethylene gas, and absorption of the activated carbon to ethylene gas is one
The attached dynamic changing process of absorption-desorption, once forming saturation, the adsorption function to ethylene gas will be lost.
Embodiment 1：
A kind of preserving fruit and vegetable utilizing heat-insulating carton coating, the raw material composition and its weight part ratio of the coating are：Aoxidize corn
Starch 10, water 40, adsorbent 0.5, sodium benzoate 0.1, alpha-amylase 0.006, wherein, the adsorbent is to be adsorbed with height
The zeolite powder of potassium manganate and aluminum oxide, its raw material composition and weight part ratio are：Potassium permanganate 5, aluminum oxide 0.4, water 80, zeolite
Powder 120；
During preparation, follow the steps below successively：
The preparation of adsorbent：Zeolite powder, soaking and stirring 0.5h are added after potassium permanganate, aluminum oxide are mixed in proportion with water
So that zeolite powder fully adsorbs potassium permanganate and aluminum oxide, adsorbent is obtained；
The preparation of coating：First oxidised maize starch and water are mixed in proportion, add adsorbent, sodium benzoate mixes
Close, be then warming up to 83 DEG C of stirrings to system into pasty state, then add alpha-amylase and stir, then with sodium hydroxide and hydrochloric acid
The pH of regulation system to 4.0, that is, obtain preserving fruit and vegetable utilizing heat-insulating carton coating.
Embodiment 2：
With embodiment 1, difference is step：
The raw material of the coating forms and its weight part ratio is：Oxidised maize starch 20, water 80, adsorbent 1, benzoic acid
Sodium 0.2, alpha-amylase 0.008, the raw material composition and weight part ratio of adsorbent are：Potassium permanganate 7, aluminum oxide 0.6, water
100th, zeolite powder 160.
In the preparation process of the adsorbent, the time of soaking and stirring is 1h；
In the preparation process of the coating, 80 DEG C of stirrings are warming up to system into pasty state.
Embodiment 3：
With embodiment 1, difference is step：
The raw material of the coating forms and its weight part ratio is：Oxidised maize starch 15, water 60, adsorbent 0.75, benzene
Sodium formate 0.15, alpha-amylase 0.007, the raw material composition and weight part ratio of adsorbent are：Potassium permanganate 6, aluminum oxide 0.5,
Water 90, zeolite powder 140.
In the preparation process of the adsorbent, the time of soaking and stirring is 0.8h；
In the preparation process of the coating, 78 DEG C of stirrings are warming up to system into pasty state.
The antistaling coating prepared using above-described embodiment is painted on corrugated case inner surface, its properties is examined
Survey, it is as a result as follows：
Outward appearance：It is slightly yellow emulsion, tasteless；
Drying time：Surface drying 3 minutes；
Viscosity：20±5s；
Solid content：40%；
Adhesive force：Pyatyi；
Heat resistance：50 DEG C unchanged；
Water resistance：3h is soaked without infiltration；
Resin added：30g/m2；
Fresh keeping property：Preserved 30 days under normal temperature, fruits and vegetables epidermis occurs without foxiness, and local to occur without rotting, acid content declines
Value is less than 30%, and hardness drop-out value is less than 10%（Fruit）, ethylene absorption speed is more than or equal to 1800 μ vsd-1；
Anti-microbial property：Staphylococcus aureus antibiotic rate is more than or equal to 99.4%, and it is big to soak 3h antibiotic rates in 50 ± 2 DEG C of water
In equal to 99.1%；Intestines Escherichia antibiotic rate is more than or equal to 99.8%, and immersion 3h antibiotic rates are more than or equal in 50 ± 2 DEG C of water
99.2%。
Claims (8)
- A kind of 1. preserving fruit and vegetable utilizing heat-insulating carton coating, it is characterised in that：The raw material of the coating forms and its weight part ratio is：Oxidised maize starch 10~20, water 40~80, adsorbent 0.5 ~1, preservative 0.1~0.2, viscosity modifier 0.006~0.008, wherein, the adsorbent for be adsorbed with potassium permanganate and The zeolite powder of aluminum oxide, its raw material composition and weight part ratio are：Potassium permanganate 5~7, aluminum oxide 0.4~0.6, water 80~ 100th, zeolite powder 120~160, and the adsorbent is prepared in accordance with the following methods：Zeolite powder is added after potassium permanganate, aluminum oxide are mixed in proportion with water, soaking and stirring is so that zeolite powder fully adsorbs height Potassium manganate and aluminum oxide.
- A kind of 2. preserving fruit and vegetable utilizing heat-insulating carton coating according to claim 1, it is characterised in that：The preservative is benzene Sodium formate.
- A kind of 3. preserving fruit and vegetable utilizing heat-insulating carton coating according to claim 1 or 2, it is characterised in that：The viscosity is adjusted Section agent is alpha-amylase.
- A kind of 4. preparation method of the preserving fruit and vegetable utilizing heat-insulating carton coating described in claim 1, it is characterised in that：The preparation method comprises the following steps successively：The preparation of adsorbent：Zeolite powder, 0.5~1h of soaking and stirring are added after potassium permanganate, aluminum oxide are mixed in proportion with water So that zeolite powder fully adsorbs potassium permanganate and aluminum oxide, adsorbent is obtained；The preparation of coating：First oxidised maize starch and water are mixed in proportion, add adsorbent, preservative mixing, so After be warming up to 78~83 DEG C of stirrings to system into pasty state, then add viscosity modifier and stir, that is, obtain preserving fruit and vegetable utilizing guarantor Warm carton coating.
- A kind of 5. preparation method of preserving fruit and vegetable utilizing heat-insulating carton coating according to claim 4, it is characterised in that：It is described In the preparation process of coating, the pH to 4.0 of regulation system after viscosity modifier stirring is added.
- A kind of 6. preparation method of preserving fruit and vegetable utilizing heat-insulating carton coating according to claim 5, it is characterised in that：It is described In the preparation process of coating, from sodium hydroxide and the pH of hydrochloric acid regulation system to 4.0.
- 7. a kind of preparation method of preserving fruit and vegetable utilizing heat-insulating carton coating according to any one of claim 4-6, it is special Sign is：The preservative is sodium benzoate.
- 8. a kind of preparation method of preserving fruit and vegetable utilizing heat-insulating carton coating according to any one of claim 4-6, it is special Sign is：The viscosity modifier is alpha-amylase.
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| CN105544295B true CN105544295B (en) | 2018-01-12 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107604765A (en) * | 2017-11-09 | 2018-01-19 | 常德金德新材料科技股份有限公司 | Cypres and its preparation method and application |
| CN107841901A (en) * | 2017-11-09 | 2018-03-27 | 常德金德新材料科技股份有限公司 | Fruits and vegetables fresh-keeping paper and preparation method thereof |
| CN112358817A (en) * | 2020-09-15 | 2021-02-12 | 北京鉴真保鲜科技有限公司 | Fruit transportation corrugated case adhesive and adhesion method |
| CN116200068B (en) * | 2023-02-24 | 2023-10-20 | 宣城托新精密科技有限公司 | Water-based environment-friendly paint |
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