CN101218937A - Strawberry biological antimicrobial antistaling agent and fresh-keeping method thereof - Google Patents
Strawberry biological antimicrobial antistaling agent and fresh-keeping method thereof Download PDFInfo
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- CN101218937A CN101218937A CNA200710066438XA CN200710066438A CN101218937A CN 101218937 A CN101218937 A CN 101218937A CN A200710066438X A CNA200710066438X A CN A200710066438XA CN 200710066438 A CN200710066438 A CN 200710066438A CN 101218937 A CN101218937 A CN 101218937A
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Abstract
The invention provides a strawberry bio-antimicrobial antistaling agent which is characterized in that the invention is prepared by the materials with the following weight percentage radio: 5.0 to 15.0 percent of stemona extract, 5.0 to 15.0 percent of patchouli extract, 0.1 to 1.0 percent of dehydrogenation sodium acetate, 1.0 to 5.0 percent of calcium chloride and the rest is water. Using the invention to carry out antisepsis preserving treatment on the strawberry allows the strawberry to keep a better quality in a corresponding storage period and prolongs the storage period and shelf life, namely storing for 20 days under a temperature of 0 to 4 DEG C with a good fruit rate of 94 percent and a water losing rate of less than or equal to 2.5 percent; storing for 10 days under a normal temperature with a good fruit rate of 90 percent and a water losing rate less than or equal to 3.2 percent; the storage period is prolonged by 8 to 10 days compared with a contrapositive sample without antisepsis treatment. Besides, the ingredients in the strawberry preserving agent are all natural matters and food additives and almost has toxicity residue; the fruits after storage can be directly eaten and cause no damage to the health of the human body.
Description
Technical field
The present invention relates to a kind of fruit antistaling agent, especially a kind of strawberry biological antimicrobial antistaling agent and preservation method thereof.
Background technology
The disease that takes place after fruits and vegetables are gathered is to influence to adopt back fruits and vegetables quality, shortens storage period and shelf life, causes a large amount of one of the main reasons of rotting and losing of fruits and vegetables.According to incompletely statistics, in recent years, the most fruits after China gathers, the due to illness harmful rotting rate that brings is generally 10%～20%, and severe patient is more than 40%.Therefore study and solve the kind of various fruit postharvest diseases and prevent and treat method, be still fruit storage fresh-keeping, transport for long-distance, put on the shelf sell in a major issue that needs to be resolved hurrily.
Developed country attaches great importance to the research and the preventing and controlling thereof of postharvest disease of fruits and vegetables, the disease of fruit such as grape, apple is furtherd investigate with regard to beginning as far back as the twenties in 20th century, and propose to prevent and treat accordingly method, as sulphur preparation to the Prevention Technique of grape storage disease etc.China is engaged in the research of postharvest disease of fruits and vegetables and starts late, and begin cause concern along with the development of fruits and vegetables industry the seventies in 20th century, and usual earlier is that fruits and vegetables are carried out immersion treatment with the dilution of chemicalses such as carbendazim, thiophanate, benomyl.Though worked out some low toxicity antisepsis antistaling agents in recent years, more or less had toxic residue on fruits and vegetables.Along with people to the attention of self health and to the reinforcement of environmental consciousness, food hygiene and safety requirements increase day by day, select non-toxic and non-pollution disease-resistant bacteriostatic agent to be applied to fruit freshness preserving, will become the developing direction in the fresh-keeping field of fruit storage.
The soft succulence of strawberry meat, especially water content height, nutritious and be difficult to the storage.Very easily contaminated by disease after gathering, ripe strawberry was adopted the back the 1st～2 day, and mildewing can appear in the surface, soft corruption, drop down phenomenon such as water, thereby loses its edible quality and commodity value.At present the anti-corrosive fresh-keeping of strawberry has been done a large amount of application studies both at home and abroad.The preservation technique of strawberry has that deepfreeze, air conditioned storage, heat treatment, chemical preservation are fresh-keeping, macromolecular coating, ozone treatment etc.Wherein the technology that combines with cryopreservation of anti-corrosive fresh-keeping has plurality of advantages such as cost is low, easy to use, applicability is strong than other technology, therefore use more, wider, especially more with the use of shitosan, generally adopt the chitosan-acetic acid solution of 1%-3% to handle, after the cryopreservation 6 to 10 days, good fruit rate can reach about 80%.In addition, calcium chloride also has some application in the anti-corrosive fresh-keeping of strawberry, but its effect is not fine when using separately, with after the solution-treated of 0.2%-1%, refrigerate 15 days, and good really rate only reaches 30%-40%.And handle with citric acid, sorbic acid, acetate, refrigerating 14 days, good fruit rate is 70%.Have the aqueous extract of spices such as human anise, cloves, Chinese cassia tree, fennel seeds, nutmeg to handle, though can make the strawberry cryopreservation after 9 days good fruit rate reach 80%, the residual peculiar smell of the aqueous extract of spice is bigger, has a strong impact on the mouthfeel of strawberry.Can find out from the present situation of strawberry antiseptic preservation technology development,, yet have many deficiencies though present strawberry preservation technology has obtained some effects.
Extracting the bacteriostatic activity material from natural resources replaces artificial synthetic chemistry medicament to be subjected to extensive attention.The Fungicidal active substance that extracts in the plant crude extract, but anti-corrosive fresh-keeping not only, security is also high.China has abundant natural plant resource, develops safety low-poison, effective antisepsis antistaling agent and will have very big potentiality.
Summary of the invention
At the prior art antistaling agent strawberry is carried out fresh-keeping existing above-mentioned deficiency, the invention provides and a kind ofly can make strawberry in storage period, keep quality preferably, can prolong the strawberry biological antimicrobial antistaling agent in its shelf-life and shelf time limit simultaneously.
The present invention simultaneously also provides a kind of method of using above-mentioned antistaling agent strawberry to be carried out Preservation Treatment.
The present invention finishes by following technical proposal: a kind of strawberry biological antimicrobial antistaling agent is characterized in that being made by the raw material of following mass ratio:
A, Radix Stemonae extract 5.0～15.0%
Patchouli extract 5.0～15.0%
Dehydro sodium acetate 0.1～1.0%
Calcium chloride 1.0～5.0%
Water surplus;
Perhaps
B, Radix Stemonae extract 5.0～15.0%
Patchouli extract 5.0～15.0%
Dehydro sodium acetate 0.1～1.0%
Concentration is 24% bleaching shellac solution 0.5～5.0%
Water surplus.
Described A makes through following method: add an amount of water earlier in calcium chloride, stir, calcium chloride is dissolved fully; With part water dehydro sodium acetate is dissolved fully again, then calcium chloride water, dehydroactic acid sodium water solution, Radix Stemonae extract, Patchouli extract and excess water are fully mixed.
Described B makes through following method: with part water dehydro sodium acetate is dissolved fully earlier, then it and bleaching shellac solution, Radix Stemonae extract, Patchouli extract are fully mixed, add excess water again and mix.
The described tuber of stemona, Patchouli extract prepare by the conventional method of following prior art respectively: the tuber of stemona or Patchouli raw material concentrate → get the tuber of stemona, Patchouli extract through pulverizing → add water or alcohol immersion → ultrasonic wave extraction → vacuum filtration → vacuum, extract concentrations is 1g/ml, promptly refer to the 1g raw material extract concentrate the 1ml extract.
The described bleaching shellac aqueous solution is pressed following mass ratio:
Bleaching shellac 24%
Propane diols 8～12%
Oleic acid 5～6.46%
Sodium hydroxide solution is an amount of
Water surplus
Make through following existing technical method: earlier propane diols is heated to 110 ℃, adding bleaching shellac fully stirs, treat the bleaching shellac off-bottom, and when temperature is reduced to 100 ℃, add oleic acid and mix, when treating that temperature continues to reduce to 70 ℃-80 ℃, regulate bleaching shellac solution pH value to 7.5-8.0 with the sodium hydroxide solution of 1%-3%, add excess water then, make bleaching shellac content and be 24% the aqueous solution.
Provided by the inventionly utilize above-mentioned antistaling agent that strawberry is carried out fresh-keeping method to be: at first strawberry is put into the above-mentioned bacteriostatic agent for preparing and soaked 5～10 minutes, pull out, dry, put into Freshness keeping disc, cover preservative film, put into carton again, respectively storage in 0～4 ℃ freezer and under the normal temperature (18～25 ℃).
The present invention compared with prior art has following advantage and effect: the present invention is directed to and cause in the strawberry storage soft rot takes place, gray mold, the disease fungus of black points, adopt multiple natural botanical extraction liquid and safer food preservative to carry out bacteriostatic test, filter out and above-mentioned morbidity in the strawberry storage is rotted to have better inhibiting disease-resistant bacteriostatic agent, with bacteriostatic agent and the food preservative that filters out, calcium chloride, after bleaching glue etc. cooperates, strawberry is carried out anti-corrosive fresh-keeping handles, can make strawberry in corresponding storage period, keep quality preferably, storage period and shelf life have been prolonged, promptly under 0～4 ℃ condition, preserved 20 days, good fruit rate reaches 94%, percentage of water loss≤2.5%; Down storage 10 days of normal temperature, good fruit rate reaches 90%, and percentage of water loss≤3.2% has all prolonged 8～10 days with compare the shelf-life without antiseptic control sample, for the development of strawberry production and sales provides advantage.In addition, the batching in the strawberry preservation agent is natural materials and food additives, and basic avirulence is residual, but the fruit immediate access after the storage can not cause any harm to health.The use of bleaching shellac, not only effectively suppressed fruit moisture loss, stoped the dip-dye of pathogen and spoilage organisms, and bleaching shellac has improved the outward appearance of fruit at the film of fruit surface formation, improved commodity value, this technical costs is cheap, simple and practical, have higher economic value for prolonging strawberry storage period and shelf life.
The specific embodiment
Below in conjunction with embodiment the present invention is described further.
Embodiment 1
1, Radix Stemonae extract prepares by the conventional method of following prior art respectively: the tuber of stemona or Patchouli raw material are pulverized, and made it 20 mesh sieves; In the raw material of pulverizing, add water or added alcohol immersion 1 hour; Extracted 30 minutes with ultrasonic wave, carry out vacuum filtration afterwards, repeat to extract 3 times, merging filtrate carries out vacuum and concentrates, and getting concentration is the tuber of stemona or the Patchouli extract of 1g/ml.The Patchouli extract also gets final product by the method preparation of above-mentioned steps 1.
2, the bleaching shellac aqueous solution is pressed following mass ratio:
Bleaching shellac 24 grams
Propane diols 8 grams
Oleic acid 5 grams
Sodium hydroxide solution is an amount of
Water surplus
Method through following prior art makes: after earlier 8 gram propane diols being heated to 110 ℃, 24 gram bleaching shellacs addings are wherein fully stirred, treat the bleaching shellac off-bottom, and when temperature is reduced to 100 ℃, add 5 gram oleic acid and mix, when treating that temperature continues to reduce to 70 ℃, regulate bleaching shellac solution pH value to 7.5 with the sodium hydroxide solution of 1%-3%, add water to total amount then and be 100 grams, make bleaching shellac content and be 24% the aqueous solution.
3, the bleaching shellac aqueous solution is pressed following mass ratio:
Bleaching shellac 24 grams
Propane diols 12 grams
Oleic acid 6.46 grams
Sodium hydroxide solution is an amount of
Water surplus
Method through following prior art makes: after earlier 12 gram propane diols being heated to 110 ℃, 24 gram bleaching shellacs addings are wherein fully stirred, treat the bleaching shellac off-bottom, and when temperature is reduced to 100 ℃, add 6.46 gram oleic acid and mix, when treating that temperature continues to reduce to 80 ℃, regulate bleaching shellac solution pH value to 8.0 with the sodium hydroxide solution of 1%-3%, add water to total amount then and be 100 grams, make bleaching shellac content and be 24% the aqueous solution.
4, strawberry biological antimicrobial antistaling agent is by the raw material of following mass ratio:
Radix Stemonae extract 5.0 grams
Patchouli extract 15.0 grams
Dehydro sodium acetate 0.1 gram
Calcium chloride 5.0 grams
Water 74.9 grams
Make through following method: in calcium chloride, add an amount of water earlier, stir, calcium chloride is dissolved fully; With part water dehydro sodium acetate is dissolved fully again, then calcium chloride water, dehydroactic acid sodium water solution, Radix Stemonae extract, Patchouli extract and excess water are fully mixed.
Embodiment 2
The preparation of the tuber of stemona, Patchouli extract and the bleaching shellac aqueous solution is with embodiment 1.
Strawberry biological antimicrobial antistaling agent is by the raw material of following mass ratio:
Radix Stemonae extract 15.0 grams
Patchouli extract 5.0 grams
Dehydro sodium acetate 1.0 grams
Calcium chloride 1.0 grams
Water 78 grams
Make through following method: in calcium chloride, add an amount of water earlier, stir, calcium chloride is dissolved fully; With part water dehydro sodium acetate is dissolved fully again, then calcium chloride water, dehydroactic acid sodium water solution, Radix Stemonae extract, Patchouli extract and excess water are fully mixed.
Implement 3
The preparation of the tuber of stemona, Patchouli extract and the bleaching shellac aqueous solution is with embodiment 1.
Strawberry biological antimicrobial antistaling agent is by the raw material of following mass ratio:
Radix Stemonae extract 5.5 grams
Patchouli extract 13.8 grams
Dehydro sodium acetate 0.2 gram
Concentration is 24% bleaching shellac solution 3.8 grams
Water 72.7 grams
Make through following method: with part water dehydro sodium acetate is dissolved fully earlier, itself and bleaching shellac solution, Radix Stemonae extract, Patchouli extract are fully mixed, add excess water again and mix.
Embodiment 4
The preparation of the tuber of stemona, Patchouli extract and the bleaching shellac aqueous solution is with embodiment 1.
Strawberry biological antimicrobial antistaling agent is by the raw material of following mass ratio:
Radix Stemonae extract 10.0 grams
Patchouli extract 10.0 grams
Dehydro sodium acetate 0.8 gram
Concentration is 24% bleaching shellac solution 4.2 grams
Water 75 grams
Make through following method: with part water dehydro sodium acetate is dissolved fully earlier, itself and bleaching shellac solution, Radix Stemonae extract, Patchouli extract are fully mixed, add excess water again and mix.
Embodiment 5
Strawberry is put into enforcement 1 prepared antistaling agent (perhaps any one antistaling agent of embodiment 2-4) to be soaked 5 minutes, after pulling out, drying, put into Freshness keeping disc, cover preservative film, put into carton again, storage in 0～4 ℃ freezer and under the normal temperature (18～25 ℃) all can obtain effectively fresh-keeping respectively.
Claims (6)
1. strawberry biological antimicrobial antistaling agent is characterized in that being made by the raw material of following mass ratio:
A, Radix Stemonae extract 5.0～15.0%
Patchouli extract 5.0～15.0%
Dehydro sodium acetate 0.1～1.0%
Calcium chloride 1.0～5.0%
Water surplus;
Perhaps
B, Radix Stemonae extract 5.0～15.0%
Patchouli extract 5.0～15.0%
Dehydro sodium acetate 0.1～1.0%
Concentration is 24% bleaching shellac solution 0.5～5.0%
Water surplus.
2. strawberry biological antimicrobial antistaling agent according to claim 1 is characterized in that described A makes through following method: add an amount of water earlier in calcium chloride, stir, calcium chloride is dissolved fully; With part water dehydro sodium acetate is dissolved fully again, then calcium chloride water, dehydroactic acid sodium water solution, Radix Stemonae extract, Patchouli extract and excess water are fully mixed.
3. strawberry biological antimicrobial antistaling agent according to claim 1, it is characterized in that described B makes through following method: with part water dehydro sodium acetate is dissolved fully earlier, then it and bleaching shellac solution, Radix Stemonae extract, Patchouli extract are fully mixed, add excess water again and mix.
4. strawberry biological antimicrobial antistaling agent according to claim 1, it is characterized in that the described tuber of stemona, Patchouli extract prepare by the conventional method of following prior art respectively: the tuber of stemona or Patchouli raw material concentrate → get the tuber of stemona, Patchouli extract through pulverizing → add water or alcohol immersion → ultrasonic wave extraction → vacuum filtration → vacuum, extract concentrations is 1g/ml, promptly refer to the 1g raw material extract concentrate the 1ml extract.
5. strawberry biological antimicrobial antistaling agent according to claim 1 is characterized in that the described bleaching shellac aqueous solution is by following mass ratio:
Bleaching shellac 24%
Propane diols 8～12%
Oleic acid 5～6.46%
Sodium hydroxide solution is an amount of
Water surplus
Make through following existing technical method: earlier propane diols is heated to 110 ℃, adding bleaching shellac fully stirs, treat the bleaching shellac off-bottom, and when temperature is reduced to 100 ℃, add oleic acid and mix, when treating that temperature continues to reduce to 70 ℃-80 ℃, regulate bleaching shellac solution pH value to 7.5-8.0 with the sodium hydroxide solution of 1%-3%, add excess water then, make bleaching shellac content and be 24% the aqueous solution.
6. one kind is carried out fresh-keeping method with any antistaling agent among the claim 1-5 to strawberry, it is characterized in that through the following step: at first strawberry is put into the above-mentioned bacteriostatic agent for preparing and soaked 5～10 minutes, pull out, dry, put into Freshness keeping disc, cover preservative film, put into carton again, in 0～4 ℃ freezer He under 18～25 ℃ of normal temperature, preserve respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710066438XA CN101218937B (en) | 2007-12-11 | 2007-12-11 | Strawberry biological antimicrobial antistaling agent and fresh-keeping method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710066438XA CN101218937B (en) | 2007-12-11 | 2007-12-11 | Strawberry biological antimicrobial antistaling agent and fresh-keeping method thereof |
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| Publication Number | Publication Date |
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| CN101218937A true CN101218937A (en) | 2008-07-16 |
| CN101218937B CN101218937B (en) | 2010-06-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341906B (en) * | 2008-09-05 | 2011-04-06 | 中国林业科学研究院资源昆虫研究所 | Apple bleached lac composite antistaling agent |
| CN102429313A (en) * | 2011-12-21 | 2012-05-02 | 河南科技大学 | Fresh-keeping method capable of improving quality of strawberries and prolonging storage period of strawberries |
| CN104996497A (en) * | 2015-07-15 | 2015-10-28 | 刘晓 | Drug for prevention and treatment of black mold of banana shrub |
| CN107529769A (en) * | 2015-06-05 | 2018-01-02 | 玛鲁哈日鲁株式会社 | The method that the fruit quality of strawberry is improved after harvest |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007003455U1 (en) * | 2007-03-06 | 2007-05-16 | Big Dutchman International Gmbh | Poultry e.g. mast chicken, cage assembly, has cage units arranged in row, and droppings removing conveyor belts carrying dirt to cross sectional dunging device, where flooring of cage units consists of mesh |
-
2007
- 2007-12-11 CN CN200710066438XA patent/CN101218937B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341906B (en) * | 2008-09-05 | 2011-04-06 | 中国林业科学研究院资源昆虫研究所 | Apple bleached lac composite antistaling agent |
| CN102429313A (en) * | 2011-12-21 | 2012-05-02 | 河南科技大学 | Fresh-keeping method capable of improving quality of strawberries and prolonging storage period of strawberries |
| CN107529769A (en) * | 2015-06-05 | 2018-01-02 | 玛鲁哈日鲁株式会社 | The method that the fruit quality of strawberry is improved after harvest |
| CN107529769B (en) * | 2015-06-05 | 2019-07-16 | 玛鲁哈日鲁株式会社 | The method of the fruit quality of strawberry is improved after harvest |
| CN104996497A (en) * | 2015-07-15 | 2015-10-28 | 刘晓 | Drug for prevention and treatment of black mold of banana shrub |
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| Publication number | Publication date |
|---|---|
| CN101218937B (en) | 2010-06-16 |
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