CN105875819A - Antibacterial fruit preservative as well as preparation and application thereof - Google Patents
Antibacterial fruit preservative as well as preparation and application thereof Download PDFInfo
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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
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/153—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
- A23B7/154—Organic compounds; Microorganisms; Enzymes
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Abstract
The invention discloses an antibacterial fruit preservative as well as preparation and application thereof. The preservative is prepared from the following raw materials in percentage by mass: 1.2 percent to 1.4 percent of carboxylation chitosan, 0.1 percent to 0.2 percent of zinc chloride, 0.02 percent to 0.03 percent of hymexazol, 0.01 percent to 0.02 percent of urotropin, 0.02 percent to 0.03 percent of propamocarb hydrochloride, 0.2 percent to 0.4 percent of lemon powder, 0.3 percent to 0.5 percent of tea powder, 0.1 percent to 0.3 percent of garlic powder, 0.4 percent to 0.6 percent of thiourea and the balance of distilled water. In a production process of the preservative, sterilization and film-forming substances are combined with antibacterial and anti-oxidization substances extracted from lemons, tea leaves and garlic and the substances are mixed to prepare a film-covering antibacterial preservative; the preservative has the effects of isolating fruits and an external air contact area, reducing the probability of infecting pathogenic bacteria on peels of the fruits, effectively reducing the rotting speed of the fruits and keeping colors and lusters of the fruits, so that economic benefits of the fruits are improved.
Description
Technical field
The invention belongs to the preparation field of antistaling agent, be specifically related to a kind of antibacterial water fresh-keeping agent of fruits and preparation thereof and application.
Background technology
After fruit has been gathered, storage is easily subject to pathogenic microorganism invasion and then causes fruit to rot.Rotten close to 25% by storing the unfavorable fruit caused every year.Therefore strengthen the research of fruit freshness preserving technology and further promote the use, for improving the economic benefit of fruit, advancing the development of agricultural economy to have great importance.At present, fruit freshness preserving mainly uses deepfreeze method, controlled atmosphere storage method, low pressure fresh-keeping method, radiation preservation method, thin film fresh-keeping method, electrostatic fresh-keeping method, chemical preservative facture.Chemical fresh-keeping method requires popularization relatively low, easy, with low cost；But in the exploitation of chemical preservative, it is presently mainly overlay film preservation technique, with isolation fruit and air contact, develop based on reducing the respiratory metabolism of fruit itself, and realize for being combined with antibacterial by method with plastic film that physiological metabolism in fruit storage reduces, the antistaling agent of the suppression of pathogen activity also rarely has exploitation, therefore develop simple, safety non-toxic, antimicrobial antistaling agent easy to use and have great importance.
Summary of the invention
It is an object of the invention to provide a kind of antibacterial water fresh-keeping agent of fruits and preparation thereof and application, sterilization, film forming matter are combined by this antistaling agent with antibacterial, the antioxidant extracted from Fructus Citri Limoniae, Folium Camelliae sinensis, Bulbus Allii, it is hybridly prepared into peplos antimicrobial antistaling agent, isolation fruit and contacting external air area, reduction fruit surface infection process and the probability of infection, effectively reduce the rates of spoilage of fruit, keep the gloss of fruit itself, improve the economic benefit of fruit.
In order to reach above-mentioned purpose, the main technical schemes that the present invention uses is as follows:
A kind of antibacterial water fresh-keeping agent of fruits, its raw material composition is in parts by weight: carboxyl chitosan 1.2% ~ 1.4%, zinc chloride 0.1%～0.2%, hymexazol 0.02%～0.03%, hexamethylenamine 0.01%～0.02%, propamocarb 0.02%～0.03%, Fructus Citri Limoniae powder 0.2%～0.4%, tea powder 0.3%～0.5%, Bulbus Allii powder 0.1%～0.3%, thiourea 0.4% ~ 0.6%, surplus is distilled water.
Described Fructus Citri Limoniae powder, tea powder, Bulbus Allii powder be respectively Fructus Citri Limoniae, Folium Camelliae sinensis, Bulbus Allii are added distilled water supersound extraction after, extracting solution is spray-dried and prepare accordingly.
Concrete, the preparation method of Fructus Citri Limoniae powder is: be placed in extraction pot by Fructus Citri Limoniae, adds the distilled water of 3-5 times of weight, extraction pot rotating speed 35
R/min ~ 45 r/min, temperature 50～60 DEG C, ultrasonic power 250～300W, extraction time 2～3h；Filter, the residue after extracting for the first time adds the distilled water of 4-6 times of weight, extraction pot rotating speed 35
R/min ~ 45 r/min, temperature 50～60 DEG C, ultrasonic power 250～300W, extraction time 1～2h；Filter, the residue after second time is extracted adds the distilled water of 6-8 times of weight, extraction pot rotating speed 45
R/min ~ 55 r/min, temperature 60～70 DEG C, ultrasonic power 250～300W, extraction time 1～2h；Merge 3 extracting solution, the spray-dried prepared Fructus Citri Limoniae powder of extracting solution.
Concrete, the preparation method of tea powder is: be placed in extraction pot by Folium Camelliae sinensis, adds the distilled water of 2-3 times of weight, extraction pot rotating speed 35
R/min ~ 45 r/min, temperature 50～60 DEG C, ultrasonic power 250～300W, extraction time 2～3h；Filter, the residue after extracting for the first time adds the distilled water of 3-4 times of weight, extraction pot rotating speed 35
R/min ~ 45 r/min, temperature 50～60 DEG C, ultrasonic power 250～300W, extraction time 1～2h；Filter, the residue after second time is extracted adds the distilled water of 4-5 times of weight, extraction pot rotating speed 45
R/min ~ 55 r/min, temperature 60～70 DEG C, ultrasonic power 250～300W, extraction time 1～2h；Merge 3 extracting solution, the spray-dried prepared tea powder of extracting solution.
The preparation method of concrete Bulbus Allii powder is: be placed in extraction pot by Bulbus Allii, adds the distilled water of 3-4 times of weight, extraction pot rotating speed 35
R/min ~ 45 r/min, temperature 50～60 DEG C, ultrasonic power 250～300W, extraction time 2～3h；Filter, the residue after extracting for the first time adds the distilled water of 5-6 times of weight, extraction pot rotating speed 35
R/min ~ 45 r/min, temperature 50～60 DEG C, ultrasonic power 250～300W, extraction time 1～2h；Filter, the residue after second time is extracted adds the distilled water of 7-8 times of weight, extraction pot rotating speed 45
R/min ~ 55 r/min, temperature 60～70 DEG C, ultrasonic power 250～300W, extraction time 1～2h；Merge 3 extracting solution, the spray-dried prepared Bulbus Allii powder of extracting solution.
A kind of method preparing antibacterial water fresh-keeping agent of fruits as above: added by carboxyl chitosan in distilled water, stirs 45～60min；It is subsequently adding zinc chloride, stirs 5min；Add hymexazol, hexamethylenamine and propamocarb, stir 30min；It is subsequently added into Fructus Citri Limoniae powder, tea powder and Bulbus Allii powder, stirs 45～60min；It is eventually adding thiourea, stirs 30min, prepare a kind of antibacterial water fresh-keeping agent of fruits.
The application of a kind of antibacterial water fresh-keeping agent of fruits as above, comprises the following steps:
1) being cleaned 3 times by fruit surface tap water, natural air drying at 15～20 DEG C, the fruit tiling after air-drying spreads, and every square metre sprays 80～100mL antistaling agents, stands 10min at 15～20 DEG C；Then every square metre sprays 50～80mL mass concentrations is 0.5% ammonia, stands 30min at 15～20 DEG C；
2) more every square metre spray 200～250mL antistaling agents, at 15～20 DEG C stand 30min；Then every square metre sprays 100～150mL mass concentrations is 1.0% ammonia, stands 60min at 15～20 DEG C；
3) then every square metre spray 150～200mL antistaling agents, at 15～20 DEG C stand 30min；Then every square metre sprays 80～100mL mass concentrations is 0.8% ammonia, stands 120min at 15～20 DEG C；
4) finally store according to conventional juice preserving type.
The beneficial effects of the present invention is:
Sterilization, film forming matter are combined by the antistaling agent of the present invention with antibacterial, the antioxidant extracted from Fructus Citri Limoniae, Folium Camelliae sinensis, Bulbus Allii, it is hybridly prepared into peplos antimicrobial antistaling agent, fruit and contacting external air area, reduction fruit surface infection process and the probability of infection are isolated, effectively reduce the rates of spoilage of fruit, keep the gloss of fruit itself, improve the economic benefit of fruit.
Detailed description of the invention
For the method for preparation and use of a kind of antibacterial water fresh-keeping agent of fruits of the openest present invention, it is illustrated below in conjunction with embodiment.
Embodiment
1
A kind of antibacterial water fresh-keeping agent of fruits, its raw material composition is in parts by weight: carboxyl chitosan 1.2%, zinc chloride 0.1%, hymexazol 0.02%, hexamethylenamine 0.01%, propamocarb 0.02%, Fructus Citri Limoniae powder 0.2%, tea powder 0.3%, Bulbus Allii powder 0.1%, thiourea 0.4%, surplus is distilled water.
The preparation method of Fructus Citri Limoniae powder is: be placed in extraction pot by Fructus Citri Limoniae, adds the distilled water of 4 times of weight, extraction pot rotating speed 40
R/min, temperature 55 DEG C, ultrasonic power 260W, extraction time 2.5h；Filter, the residue after extracting for the first time adds the distilled water of 5 times of weight, extraction pot rotating speed 40 r/min, temperature 55 DEG C, ultrasonic power 270W, extraction time 1.5h；Filter, the residue after second time is extracted adds the distilled water of 7 times of weight, extraction pot rotating speed 50
R/min, temperature 65 DEG C, ultrasonic power 270W, extraction time 1.5h；Merge 3 extracting solution, the spray-dried prepared Fructus Citri Limoniae powder of extracting solution.
The preparation method of tea powder is: be placed in extraction pot by Folium Camelliae sinensis, adds the distilled water of 2 times of weight, extraction pot rotating speed 40
R/min, temperature 55 DEG C, ultrasonic power 270W, extraction time 2.5h；Filter, the residue after extracting for the first time adds the distilled water of 4 times of weight, extraction pot rotating speed 40 r/min, temperature 55 DEG C, ultrasonic power 270W, extraction time 1.5h；Filter, the residue after second time is extracted adds the distilled water of 5 times of weight, extraction pot rotating speed 50r/min, temperature 65 DEG C, ultrasonic power 270W, extraction time 1.5h；Merge 3 extracting solution, the spray-dried prepared tea powder of extracting solution.
The preparation method of concrete Bulbus Allii powder is: be placed in extraction pot by Bulbus Allii, adds the distilled water of 4 times of weight, extraction pot rotating speed 40
R/min, temperature 55 DEG C, ultrasonic power 270W, extraction time 2.5h；Filter, the residue after extracting for the first time adds the distilled water of 5.5 times of weight, extraction pot rotating speed 40 r/min, temperature 55 DEG C, ultrasonic power 270W, extraction time 1.5h；Filter, the residue after second time is extracted adds the distilled water of 7.5 times of weight, extraction pot rotating speed 50
R/min, temperature 65 DEG C, ultrasonic power 270W, extraction time 1.5h；Merge 3 extracting solution, the spray-dried prepared Bulbus Allii powder of extracting solution.
Preparation method is:
120g carboxyl chitosan is added in 10L distilled water, stir 45min；It is subsequently adding 10g zinc chloride, stirs 5min；It is subsequently added into 2g hymexazol, 1g hexamethylenamine and 2g propamocarb, stirs 30min；Add 20g Fructus Citri Limoniae powder, 30g tea powder and 10g Bulbus Allii powder, stir 45～60min；It is eventually adding 40g thiourea, stirs 30min, can be prepared by a kind of antibacterial water fresh-keeping agent of fruits.
Using method is:
Select intact Shuijing Pear, Shuijing Pear surface tap water is cleaned 3 times, natural air drying at 15 DEG C, Shuijing Pear tiling after air-drying spreads, every square metre sprays 80mL antibacterial water fresh-keeping agent of fruits, standing 10min at 15 DEG C, then every square metre sprays 50mL mass concentration is 0.5% ammonia, stands 30min at 15 DEG C；Every square metre sprays 200mL antibacterial water fresh-keeping agent of fruits, stands 30min at 15 DEG C, and then every square metre sprays 100mL mass concentration is 1.0% ammonia, stands 60min at 15 DEG C；Finally every square metre sprays 150mL antibacterial water fresh-keeping agent of fruits, stands 30min at 15 DEG C, and then every square metre sprays 80mL mass concentration is 0.8% ammonia, 120min is stood at 15 DEG C, after completing, store according to conventional Shuijing Pear preserving type, i.e. complete the use of the antistaling agent of a kind of fruit.
Undressed crystal pears 50, with antistaling agent of the present invention process after Shuijing Pear 50 room temperature storage 60 days under similarity condition.Undressed crystal pears bad fruit rate 100%, the Shuijing Pear that antistaling agent of the present invention processed is bright in colour, and moisture is full, and bad fruit rate is only 2%.
Embodiment
2
A kind of antibacterial water fresh-keeping agent of fruits, its raw material composition is in parts by weight: carboxyl chitosan 1.3%, zinc chloride 0.15%, hymexazol 0.025%, hexamethylenamine 0.015%, propamocarb 0.025%, Fructus Citri Limoniae powder 0.3%, tea powder 0.4%, Bulbus Allii powder 0.2%, thiourea 0.5%, surplus is distilled water.
The preparation method of Fructus Citri Limoniae powder is: be placed in extraction pot by Fructus Citri Limoniae, adds the distilled water of 5 times of weight, extraction pot rotating speed 45
R/min, temperature 60 C, ultrasonic power 300W, extraction time 2h；Filter, the residue after extracting for the first time adds the distilled water of 6 times of weight, extraction pot rotating speed 45 r/min, temperature 50 C, ultrasonic power 300W, extraction time 1h；Filter, the residue after second time is extracted adds the distilled water of 8 times of weight, extraction pot rotating speed 55
R/min, temperature 60 C, ultrasonic power 300W, extraction time 1h；Merge 3 extracting solution, the spray-dried prepared Fructus Citri Limoniae powder of extracting solution.
The preparation method of tea powder is: be placed in extraction pot by Folium Camelliae sinensis, adds the distilled water of 3 times of weight, extraction pot rotating speed 35
R/min, temperature 60 C, ultrasonic power 250W, extraction time 3h；Filter, the residue after extracting for the first time adds the distilled water of 3 times of weight, extraction pot rotating speed 45 r/min, temperature 50 C, ultrasonic power 300W, extraction time 1h；Filter, the residue after second time is extracted adds the distilled water of 5 times of weight, extraction pot rotating speed 45
R/min, temperature 70 C, ultrasonic power 250W, extraction time 2h；Merge 3 extracting solution, the spray-dried prepared tea powder of extracting solution.
The preparation method of Bulbus Allii powder is: be placed in extraction pot by Bulbus Allii, adds the distilled water of 4 times of weight, extraction pot rotating speed 35
R/min, temperature 60 C, ultrasonic power 250W, extraction time 3h；Filter, the residue after extracting for the first time adds the distilled water of 5 times of weight, extraction pot rotating speed 45 r/min, temperature 50 C, ultrasonic power 300W, extraction time 1h；Filter, the residue after second time is extracted adds the distilled water of 8 times of weight, extraction pot rotating speed 45
R/min, temperature 70 C, ultrasonic power 250W, extraction time 2h；Merge 3 extracting solution, the spray-dried prepared Bulbus Allii powder of extracting solution.
Preparation method is:
130g carboxyl chitosan is added in 10L distilled water, stir 50min；It is subsequently adding 15g zinc chloride, stirs 5min；It is subsequently added into 2.5g hymexazol, 1.5g hexamethylenamine and 2.5g propamocarb, stirs 30min；Add 30g Fructus Citri Limoniae powder, 40g tea powder and 20g Bulbus Allii powder, stir 50min；It is eventually adding 50g thiourea, stirs 30min, can be prepared by a kind of antibacterial water fresh-keeping agent of fruits.
Using method is:
Select intact Fructus Mali pumilae, apple surface tap water is cleaned 3 times, natural air drying at 18 DEG C, Fructus Mali pumilae tiling after air-drying spreads, every square metre sprays 90mL antibacterial water fresh-keeping agent of fruits, standing 10min at 18 DEG C, then every square metre sprays 70mL mass concentration is 0.5% ammonia, stands 30min at 18 DEG C；Every square metre sprays 220mL antibacterial water fresh-keeping agent of fruits, stands 30min at 18 DEG C, and then every square metre sprays 120mL mass concentration is 1.0% ammonia, stands 60min at 18 DEG C；Finally every square metre sprays 170mL antibacterial water fresh-keeping agent of fruits, stands 30min at 18 DEG C, and then every square metre sprays 90mL mass concentration is 0.8% ammonia, 120min is stood at 18 DEG C, after completing, store according to conventional Fructus Mali pumilae preserving type, i.e. complete the use of the antistaling agent of a kind of fruit.
Undressed Fructus Mali pumilae 50, with antistaling agent of the present invention process after Fructus Mali pumilae 50 room temperature storage 60 days under similarity condition.Undressed Fructus Mali pumilae bad fruit rate 100%, the Fructus Mali pumilae that antistaling agent of the present invention processed is bright in colour, and moisture is full, and bad fruit rate is only 1%.
Embodiment
3
A kind of antibacterial water fresh-keeping agent of fruits, its raw material composition is in parts by weight: carboxyl chitosan 1.4%, zinc chloride 0.2%, hymexazol 0.03%, hexamethylenamine 0.02%, propamocarb 0.03%, Fructus Citri Limoniae powder 0.4%, tea powder 0.5%, Bulbus Allii powder 0.3%, thiourea 0.6%, surplus is distilled water.
The preparation method of Fructus Citri Limoniae powder is: be placed in extraction pot by Fructus Citri Limoniae, adds the distilled water of 3 times of weight, extraction pot rotating speed 35
R/min, temperature 50 C, ultrasonic power 300W, extraction time 2h；Filter, the residue after extracting for the first time adds the distilled water of 4 times of weight, extraction pot rotating speed 45 r/min, temperature 50 C, ultrasonic power 300W, extraction time 1h；Filter, the residue after second time is extracted adds the distilled water of 8 times of weight, extraction pot rotating speed 45
R/min, temperature 70 C, ultrasonic power 250W, extraction time 2h；Merge 3 extracting solution, the spray-dried prepared Fructus Citri Limoniae powder of extracting solution.
The preparation method of tea powder is: be placed in extraction pot by Folium Camelliae sinensis, adds the distilled water of 3 times of weight, extraction pot rotating speed 35
R/min, temperature 60 C, ultrasonic power 250W, extraction time 3h；Filter, the residue after extracting for the first time adds the distilled water of 3 times of weight, extraction pot rotating speed 45 r/min, temperature 50 C, ultrasonic power 300W, extraction time 1h；Filter, the residue after second time is extracted adds the distilled water of 5 times of weight, extraction pot rotating speed 45
R/min, temperature 60 C, ultrasonic power 250W, extraction time 1h；Merge 3 extracting solution, the spray-dried prepared tea powder of extracting solution.
The preparation method of Bulbus Allii powder is: be placed in extraction pot by Bulbus Allii, adds the distilled water of 4 times of weight, extraction pot rotating speed 35
R/min, temperature 50 C, ultrasonic power 250W, extraction time 2h；Filter, the residue after extracting for the first time adds the distilled water of 6 times of weight, extraction pot rotating speed 35 r/min, temperature 60 C, ultrasonic power 250W, extraction time 2h；Filter, the residue after second time is extracted adds the distilled water of 7 times of weight, extraction pot rotating speed 45
R/min, temperature 60 C, ultrasonic power 250W, extraction time 1h；Merge 3 extracting solution, the spray-dried prepared Bulbus Allii powder of extracting solution.
Preparation method is:
140g carboxyl chitosan is added in 10L distilled water, stir 60min；It is subsequently adding 20g zinc chloride, stirs 5min；It is subsequently added into 3g hymexazol, 2g hexamethylenamine and 3g propamocarb, stirs 30min；Add 40g Fructus Citri Limoniae powder, 50g tea powder and 30g Bulbus Allii powder, stir 60min；It is eventually adding 60g thiourea, stirs 30min, can be prepared by a kind of antibacterial water fresh-keeping agent of fruits.
Using method is:
Select intact Citrus, apple surface tap water is cleaned 3 times, natural air drying at 20 DEG C, Fructus Mali pumilae tiling after air-drying spreads, every square metre sprays 100mL antibacterial water fresh-keeping agent of fruits, standing 10min at 20 DEG C, then every square metre sprays 80mL mass concentration is 0.5% ammonia, stands 30min at 20 DEG C；Then every square metre sprays 250mL antibacterial water fresh-keeping agent of fruits, stands 30min at 20 DEG C, and then every square metre sprays 150mL mass concentration is 1.0% ammonia, stands 60min at 20 DEG C；Finally every square metre sprays 200mL antibacterial water fresh-keeping agent of fruits, stands 30min at 20 DEG C, and every square metre sprays 100mL mass concentration is 0.8% ammonia, 120min is stood at 20 DEG C, after completing, store according to conventional Citrus preserving type, i.e. complete the use of the antistaling agent of a kind of fruit.
Undressed Citrus 50, with antistaling agent of the present invention process after Citrus 50 room temperature storage 60 days under similarity condition.Undressed Citrus bad fruit rate 100%, the Fructus Mali pumilae that antistaling agent of the present invention processed is bright in colour, and moisture is full, and bad fruit rate is only 1%.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent and modification, all should belong to the covering scope of the present invention.
Claims (7)
1. an antibacterial water fresh-keeping agent of fruits, it is characterized in that: its raw material composition is in parts by weight: carboxyl chitosan 1.2% ~ 1.4%, zinc chloride 0.1%～0.2%, hymexazol 0.02%～0.03%, hexamethylenamine 0.01%～0.02%, propamocarb 0.02%～0.03%, Fructus Citri Limoniae powder 0.2%～0.4%, tea powder 0.3%～0.5%, Bulbus Allii powder 0.1%～0.3%, thiourea 0.4% ~ 0.6%, surplus is distilled water.
Antibacterial water fresh-keeping agent of fruits the most according to claim 1, it is characterised in that: described Fructus Citri Limoniae powder, tea powder, Bulbus Allii powder be respectively Fructus Citri Limoniae, Folium Camelliae sinensis, Bulbus Allii are added distilled water supersound extraction after, extracting solution is spray-dried and prepare accordingly.
Antibacterial water fresh-keeping agent of fruits the most according to claim 2, it is characterized in that: the preparation method of Fructus Citri Limoniae powder is: be placed in extraction pot by Fructus Citri Limoniae, add the distilled water of 3-5 times of weight, extraction pot rotating speed 35 r/min ~ 45 r/min, temperature 50～60 DEG C, ultrasonic power 250～300W, extraction time 2～3h；Filter, the residue after extracting for the first time adds the distilled water of 4-6 times of weight, extraction pot rotating speed 35 r/min ~ 45 r/min, temperature 50～60 DEG C, ultrasonic power 250～300W, extraction time 1～2h；Filter, the residue after second time is extracted adds the distilled water of 6-8 times of weight, extraction pot rotating speed 45 r/min ~ 55 r/min, temperature 60～70 DEG C, ultrasonic power 250～300W, extraction time 1～2h；Merge 3 extracting solution, the spray-dried prepared Fructus Citri Limoniae powder of extracting solution.
Antibacterial water fresh-keeping agent of fruits the most according to claim 2, it is characterized in that: the preparation method of tea powder is: be placed in extraction pot by Folium Camelliae sinensis, add the distilled water of 2-3 times of weight, extraction pot rotating speed 35 r/min ~ 45 r/min, temperature 50～60 DEG C, ultrasonic power 250～300W, extraction time 2～3h；Filter, the residue after extracting for the first time adds the distilled water of 3-4 times of weight, extraction pot rotating speed 35 r/min ~ 45 r/min, temperature 50～60 DEG C, ultrasonic power 250～300W, extraction time 1～2h；Filter, the residue after second time is extracted adds the distilled water of 4-5 times of weight, extraction pot rotating speed 45 r/min ~ 55 r/min, temperature 60～70 DEG C, ultrasonic power 250～300W, extraction time 1～2h；Merge 3 extracting solution, the spray-dried prepared tea powder of extracting solution.
Antibacterial water fresh-keeping agent of fruits the most according to claim 2, it is characterized in that: the preparation method of Bulbus Allii powder is: be placed in extraction pot by Bulbus Allii, add the distilled water of 3-4 times of weight, extraction pot rotating speed 35 r/min ~ 45 r/min, temperature 50～60 DEG C, ultrasonic power 250～300W, extraction time 2～3h；Filter, the residue after extracting for the first time adds the distilled water of 5-6 times of weight, extraction pot rotating speed 35 r/min ~ 45 r/min, temperature 50～60 DEG C, ultrasonic power 250～300W, extraction time 1～2h；Filter, the residue after second time is extracted adds the distilled water of 7-8 times of weight, extraction pot rotating speed 45 r/min ~ 55 r/min, temperature 60～70 DEG C, ultrasonic power 250～300W, extraction time 1～2h；Merge 3 extracting solution, the spray-dried prepared Bulbus Allii powder of extracting solution.
6. the method for the antibacterial water fresh-keeping agent of fruits that a kind is prepared as described in any one of claim 1-5, it is characterised in that: carboxyl chitosan is added in distilled water, stir 45～60min；It is subsequently adding zinc chloride, stirs 5min；Add hymexazol, hexamethylenamine and propamocarb, stir 30min；It is subsequently added into Fructus Citri Limoniae powder, tea powder and Bulbus Allii powder, stirs 45～60min；It is eventually adding thiourea, stirs 30min, prepare a kind of antibacterial water fresh-keeping agent of fruits.
7. the application of the antibacterial water fresh-keeping agent of fruits as described in any one of claim 1-5, it is characterised in that: comprise the following steps:
1) being cleaned 3 times by fruit surface tap water, natural air drying at 15～20 DEG C, the fruit tiling after air-drying spreads, and every square metre sprays 80～100mL antistaling agents, stands 10min at 15～20 DEG C；Then every square metre sprays 50～80mL mass concentrations is 0.5% ammonia, stands 30min at 15～20 DEG C；
2) more every square metre spray 200～250mL antistaling agents, at 15～20 DEG C stand 30min；Then every square metre sprays 100～150mL mass concentrations is 1.0% ammonia, stands 60min at 15～20 DEG C；
3) then every square metre spray 150～200mL antistaling agents, at 15～20 DEG C stand 30min；Then every square metre sprays 80～100mL mass concentrations is 0.8% ammonia, stands 120min at 15～20 DEG C；
4) finally store according to conventional juice preserving type.
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| CN106720260A (en) * | 2016-12-16 | 2017-05-31 | 张宗斌 | It is a kind of containing sucrose ester He the Banana fresh-keeping agent of hymexazo |
| CN107307072A (en) * | 2017-07-04 | 2017-11-03 | 江门市民生生物科技研究院 | The antistaling agent and its application method of manaca fresh fruit |
| CN107691635A (en) * | 2017-07-04 | 2018-02-16 | 江门市民生生物科技研究院 | The antistaling agent and its application method of manaca fresh fruit |
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| CN107307072A (en) * | 2017-07-04 | 2017-11-03 | 江门市民生生物科技研究院 | The antistaling agent and its application method of manaca fresh fruit |
| CN107691635A (en) * | 2017-07-04 | 2018-02-16 | 江门市民生生物科技研究院 | The antistaling agent and its application method of manaca fresh fruit |
| WO2020130987A3 (en) * | 2018-12-19 | 2021-05-20 | Yaşar Üni̇versi̇tesi̇ | Dried fruit product |
| CN110178894A (en) * | 2019-05-30 | 2019-08-30 | 安徽稼仙金佳粮集团股份有限公司 | The mould proof rice and its processing method of shell antistaling agent is added |
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Application publication date: 20160824 |