CN103798228B - A kind of flower antistaling agent containing polyglutamic acid or its salt - Google Patents
A kind of flower antistaling agent containing polyglutamic acid or its salt Download PDFInfo
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- CN103798228B CN103798228B CN201210442302.5A CN201210442302A CN103798228B CN 103798228 B CN103798228 B CN 103798228B CN 201210442302 A CN201210442302 A CN 201210442302A CN 103798228 B CN103798228 B CN 103798228B
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Abstract
The present invention relates to technical field of preservation of fresh, its object is to provide a kind of with low cost, Be very effective, apply easy flowers spraying antistaling agent.Concrete technical scheme of the present invention is: containing polyglutamic acid or its salt 1 ~ 20g, glycerine 1 ~ 10g, alum 0.15g ~ 2g, sucrose 0.5g ~ 10g in per kilogram flower antistaling agent, ammonia oxygen ethyl vinyl glycine 0.1 ~ 10g, sorbierite 1 ~ 20g.Polyglutamic acid used in the antistaling agent related in the present invention or its salt water retention property splendid, there is the ability of intelligent moisturizing under different temp. and humidity environment, nontoxic, good biocompatibility, flowers are after this antistaling agent process, and the resting period is long, wither slow, the original feeling of freshness of maintenance that flower appearance flower holds, flowers smell can be long-term, significantly can reduce fresh flower transport, the economic loss deposited in process, improves fresh flower and views and admires quality.
Description
Technical field
The present invention relates to a kind of flower antistaling agent containing polyglutamic acid or its salt, for plucking the fresh-keeping of rear flowers.
Background technology
Along with the development of China's economic level, national life taste and very large raising has been required to quality of life, along with everything, this novel industry of flower industry is risen rapidly in China, flowers people daily in also play more and more important role, become people gradually and transmit friendship, express the medium of wish, therefore China for the expense of flowers also in swift and violent increase.But will be overshadowed after most of picking flowers, even withered, the fresh-keeping work therefore after picking flowers just seems particularly important, and therefore a kind of exploitation of rationally and effectively antistaling agent just seems extremely urgent.
After flowers leave parent, affect withered a lot of because have of flowers, mainly moisture evaporates and easily makes petal dehydration here withered; The generation of ethylene gas can accelerate decaying of flowers, and on petal, microbial growth can make petal mildew.The kind of flower antistaling agent is a lot of in the market, but technique is simple also not have a kind of product really to accomplish, easy to use, long fresh-keeping period.
In antistaling agent prescription described in the present invention, main component is polyglutamic acid (gamma-polyglutamic acid-, γ-PGA), it be a kind of can by the macromolecule amino acid polymer of Microbe synthesis, having excellent biodegradability, become fibroid, plasticity, film forming, cohesiveness and extremely strong water imbibition, is a kind of green bio macromolecular material.These good characteristics such as water conservation, slowly-releasing of γ-PGA make it enjoy people to favor; and gradually be applied to agricultural production, medicine manufactures, food processing and veterinary antibiotics, marine product antifreeze fresh-keeping, many fields such as cosmetics industry, tobacco, leather manufacture industry and seed protection.
Containing super NMF polyglutamic acid or its salt in antistaling agent in the present invention, there is splendid water conservation moisture-keeping function, it can form one deck moisturizing film in flowers and branches and leaves skin surface, reduce moisture evaporation and run off, the oxidation stain of effective prevention petal, reduce Ethylene Production Rate, significantly can delay fresh flower and to decay colourshifting process, extend fresh flower freshness date.Also containing ammonia oxygen ethyl vinyl glycine in antistaling agent, be a kind of well ethylene inhibitor, have very high inhibitory action to the synthesis of ethene in flower, effectively can delay the aging course of flowers, thus play the preservation to flowers.In addition, alum then has effective desinsection, antibacterial action, also can play effective anti-corrosive fresh-keeping effect to flowers.
Summary of the invention
The object of the present invention is to provide a kind of environmental protection, apply easy, instant effect, the fresh-keeping cycle is long, the flower antistaling agent of use safety, thus reduces fresh flower transport, the economic loss deposited in process, improves fresh flower and views and admires quality.
The present invention is a kind of flower antistaling agent containing polyglutamic acid or its salt, its concrete technical scheme is as follows: consist of the following composition in per kilogram flower antistaling agent: polyglutamic acid or its salt 1 ~ 20g, glycerine 1 ~ 10g, alum 0.15g ~ 2g, sucrose 0.5g ~ 10g, ammonia oxygen ethyl vinyl glycine 0.1 ~ 10g, sorbierite 1 ~ 20g, all the other are solvent, and described solvent is physiological saline, and wherein in per kilogram physiological saline, sodium chloride content is 0.1 ~ 1g.
In the present invention, flower antistaling agent main component is polyglutamic acid or its salt, come from the macromolecule metabolite that bacterial fermentation produces, a large amount of impurity is removed and the product with high-hydrophilic and moisture retention prepared through special separation purifying technique, wherein preferably come from polyglutamic acid or its product salt of bacillus generation, most preferably in the polyglutamic acid of giving birth to from producing bacillus subtilis or its product salt.
In the present invention, polyglutamic acid can be polyglutamic acid product or its polyglutamic acid metal salt product, wherein slaine to comprise in following polyglutamic acid sodium, polyglutamic acid potassium, polyglutamic acid calcium, polyglutamic acid magnesium, polyglutamic acid ammonium, polyglutamic acid zinc one or more, wherein preferably polyglutamic acid sodium, polyglutamic acid potassium, polyglutamic acid calcium.
Polyglutamic acid or its salt, be microbial metabolism macromolecule product, molecular weight distribution is very wide, and from several ten thousand dalton to millions of dalton, in the present invention, polyglutamic acid or its molecules of salt amount are greater than 700, more than 000 dalton, are preferably greater than 1000, more than 000 dalton.
Flower antistaling agent containing polyglutamic acid or its salt in the present invention can be prepared according to following way:
(1) first prepare salt solution according in per kilogram water containing 0.1 ~ 1g sodium chloride, be divided into three parts;
(2) weighing polyglutamic acid or its salt 1 ~ 20g by weight, open high speed agitator, join in a physiological saline while stirring, to dissolving completely, making solution one;
Successively add alum 0.15g ~ 2g, ammonia oxygen ethyl vinyl glycine 0.1 ~ 10g in (3) second parts of physiological saline, stirring and dissolving, makes solution two;
(4) weigh sucrose 0.5g ~ 10g, sorbierite 1 ~ 20g stirs and is dissolved in after in the 3rd part of physiological saline, adds glycerine 1 ~ 10g stirring and evenly mixing, makes solution three;
(5) will dissolve the solution one, solution two, the solution three that prepare, after the mixing of order high-speed stirred, vacuum outgas, packs to obtain finished product.
Polyglutamic acid used in antistaling agent in the present invention or its salt water retention property splendid, have the ability of intelligent moisturizing under different temp. and humidity environment, nontoxic, good biocompatibility the present invention polyglutamic acid consumption used is less, and cost is not high.Polyglutamic acid has good moisture capacity in concentration range of the present invention, and what can effectively prevent petal from causing due to the evaporation of moisture be withered, thus reaches fresh-keeping object.In addition; polyglutamic acid or salt collocation have the component such as sucrose, glycerine, sorbierite of protection and trophism; water conservation and moistening effect more obvious; significantly can reduce moisture evaporation and run off; the oxidation stain of effective prevention petal; reduce Ethylene Production Rate, greatly can delay fresh flower and to decay colourshifting process, extend fresh flower freshness date.
The ammonia oxygen ethyl vinyl glycine contained in fresh-keeping spray is a kind of well ethylene inhibitor, there is very high inhibitory action to the synthesis of ethene in flower, effectively can delay the aging course of flowers, thus play the preservation to flowers.
In the present invention, flower antistaling agent preparation process is simple, and application is strong and workable, after fresh picking flowers, directly to flowers spraying process, also the cut place of flowers can be infiltrated in this antistaling agent.Confirm through the extensive application experiment on different flowers, treatment process is easy, and fresh-keeping effect is remarkable.Flowers are after this antistaling agent process, and the resting period is long, wither slow, the original feeling of freshness of maintenance that flower appearance flower holds, flowers smell can be long-term.
Below that fresh flower sprays antistaling agent to the research experiment situation of flower freshness effect:
One, with the fresh flower spraying antistaling agent in this patent, after clear water and the antistaling agent not adding polyglutamic acid process rose respectively, normal temperature is placed, by observing the browning rate of rose in 20 days, Decayed rate and Senescence rate, measure the fresh-keeping effect of this spraying antistaling agent to rose, its effect is in table one.These flowers flowers spraying antistaling agent has good preservation to rose as can be seen from Table I.
These flowers of table one spraying antistaling agent is to the fresh-keeping effect (%) plucking rear rose
| Browning rate | Decayed rate | Senescence rate | |
| Spray antistaling agent (%) | 0.56 | 0 | 0 |
| Clear water contrast (%) | 70 | 43 | 28 |
| Do not add polyglutamic acid antistaling agent contrast (%) | 15 | 4 | 2.3 |
Two, with the fresh flower spraying antistaling agent in this patent, after clear water and the antistaling agent not adding polyglutamic acid process lily respectively, by observing liliaceous browning rate, Decayed rate and Senescence rate in 15 days, measure this spraying antistaling agent to liliaceous fresh-keeping effect, its effect is in table two.These flowers spraying antistaling agent has good preservation to lily as can be seen from Table II.
These flowers of table two spraying antistaling agent is to liliaceous fresh-keeping effect (%) after harvesting
| Browning rate | Decayed rate | Senescence rate | |
| Spray antistaling agent (%) | 0.78 | 0 | 0 |
| Clear water contrast (%) | 81 | 68 | 29 |
| Do not add polyglutamic acid antistaling agent contrast (%) | 40 | 18 | 9.2 |
The experiment proved that flowers provided by the invention spraying antistaling agent is remarkable to the fresh-keeping effect of flowers, the color and luster of maintenance flowers that can well be more lasting itself and fragrance, the effective Restrain browning of energy, corrupt and withered incidence.
Embodiment
The following examples elaborate to the present invention, but do not limit the present invention.
embodiment 1:
Consist of the following composition in per kilogram flower antistaling agent: polyglutamic acid or its salt 5g, glycerine 10g, alum 1g, sucrose 4g, ammonia oxygen ethyl vinyl glycine 5g, sorbierite 20g, all the other are solvent, and described solvent is physiological saline, and wherein in per kilogram physiological saline, sodium chloride content is 0.75g.Its preparation method is as follows:
(1) first prepare salt solution according in per kilogram water containing 0.75g sodium chloride, be divided into three parts;
(2) weighing polyglutamic acid or its salt 5g by weight, open high speed agitator, join in a physiological saline while stirring, to dissolving completely, making solution one;
Successively add alum 1g, ammonia oxygen ethyl vinyl glycine 5g in (3) second parts of physiological saline, stirring and dissolving, makes solution two;
(4) weigh sucrose 4g, sorbierite 20g stirs and is dissolved in after in the 3rd part of physiological saline, adds glycerine 10g stirring and evenly mixing, makes solution three;
(5) will dissolve the solution one, solution two, the solution three that prepare, after the mixing of order high-speed stirred, vacuum outgas, packs to obtain finished product.
Flower freshness method provided by the present invention is: after new fresh-rose is plucked, and directly to its spraying process, is placed by the rose normal temperature after process afterwards or puts into fresh flower refreshing cabinet.Normal temperature is placed can be fresh-keeping about 20 days, can be fresh-keeping 45 days in antistaling cabinet.
embodiment 2:
Consist of the following composition in per kilogram flower antistaling agent: polyglutamic acid or its salt 10g, glycerine 5g, alum 0.75g, sucrose 8g, ammonia oxygen ethyl vinyl glycine 6g, sorbierite 10g, all the other are solvent, described solvent is physiological saline, and wherein in per kilogram physiological saline, sodium chloride content is 0.75g.Preparation method is with embodiment 1, and the fresh flower spraying antistaling agent made, fresh-keeping implementation method is with embodiment 1.Normal temperature is placed can be fresh-keeping about 20 days, can be fresh-keeping 54 days in antistaling cabinet.
embodiment 3:
Consist of the following composition in per kilogram flower antistaling agent: polyglutamic acid or its salt 12g, glycerine 1g, alum 1g, sucrose 8g, ammonia oxygen ethyl vinyl glycine 4g, sorbierite 15g, all the other are solvent, and described solvent is physiological saline, and wherein in per kilogram physiological saline, sodium chloride content is 0.65g.Preparation method is with embodiment 1, and the fresh flower spraying antistaling agent made, fresh-keeping implementation method is with embodiment 1.Normal temperature is placed can be fresh-keeping about 20 days, can be fresh-keeping 60 days in antistaling cabinet.
embodiment 4:
Consist of the following composition in per kilogram flower antistaling agent: polyglutamic acid or its salt 3g, glycerine 5g, alum 0.5g, sucrose 10g, ammonia oxygen ethyl vinyl glycine 3g, sorbierite 16g, all the other are solvent, and described solvent is physiological saline, and wherein in per kilogram physiological saline, sodium chloride content is 0.75g.Preparation method is with embodiment 1, and the fresh flower spraying antistaling agent made, fresh-keeping implementation method is with embodiment 1.Normal temperature is placed can be fresh-keeping about 20 days, can be fresh-keeping 47 days in antistaling cabinet.
embodiment 5:
Consist of the following composition in per kilogram flower antistaling agent: polyglutamic acid or its salt 3g, glycerine 5g, alum 0.75g, sucrose 10g, ammonia oxygen ethyl vinyl glycine 3g, sorbierite 16g, all the other are solvent, described solvent is physiological saline, and wherein in per kilogram physiological saline, sodium chloride content is 0.75g.Preparation method is with embodiment 1, and the fresh flower spraying antistaling agent made, fresh-keeping implementation method is with embodiment 1.Normal temperature is placed can be fresh-keeping about 20 days, can be fresh-keeping 47 days in antistaling cabinet.
embodiment 6:
Consist of the following composition in per kilogram flower antistaling agent: polyglutamic acid or its salt 15g, glycerine 1g, alum 0.5g, sucrose 10g, ammonia oxygen ethyl vinyl glycine 3g, sorbierite 16g, all the other are solvent, described solvent is physiological saline, and wherein in per kilogram physiological saline, sodium chloride content is 0.75g.Preparation method is with embodiment 1, and the fresh flower spraying antistaling agent made, fresh-keeping implementation method is with embodiment 1.Normal temperature is placed can be fresh-keeping about 20 days, can be fresh-keeping 60 days in antistaling cabinet.
embodiment 7:
Consist of the following composition in per kilogram flower antistaling agent: polyglutamic acid or its salt 20g, glycerine 1g, alum 0.5g, sucrose 10g, ammonia oxygen ethyl vinyl glycine 8g, sorbierite 16g, all the other are solvent, described solvent is physiological saline, and wherein in per kilogram physiological saline, sodium chloride content is 0.75g.Preparation method is with embodiment 1, and the fresh flower spraying antistaling agent made, fresh-keeping implementation method is with embodiment 1.Normal temperature is placed can be fresh-keeping about 20 days, can be fresh-keeping 64 days in antistaling cabinet.
Claims (4)
1. one kind contains the flower antistaling agent of polyglutamic acid or its salt, it is characterized in that: consist of the following composition in per kilogram flower antistaling agent: polyglutamic acid or its salt 1 ~ 20g, glycerine 1 ~ 10g, alum 0.15g ~ 2g, sucrose 0.5g ~ 10g, ammonia oxygen ethyl vinyl glycine 0.1 ~ 10g, sorbierite 1 ~ 20g, all the other are solvent, and described solvent is physiological saline, and wherein in per kilogram physiological saline, sodium chloride content is 0.1 ~ 1g;
The molecular weight of described polyglutamic acid or its salt is more than 700,000 dalton.
2. a kind of flower antistaling agent containing polyglutamic acid or its salt according to claim 1, is characterized in that: described polyglutamate be in polyglutamic acid sodium, polyglutamic acid potassium, polyglutamic acid calcium, polyglutamic acid magnesium, polyglutamic acid ammonium, polyglutamic acid zinc one or more.
3. a kind of flower antistaling agent containing polyglutamic acid or its salt according to claim 1, is characterized in that: its preparation method is: first prepare salt solution according in per kilogram water containing 0.1 ~ 1g sodium chloride, be divided into three parts; Weighing polyglutamic acid or its salt 1 ~ 20g by weight, add in a physiological saline while stirring, to dissolving completely, making solution one; Successively add alum 0.15g ~ 2g, ammonia oxygen ethyl vinyl glycine 0.1 ~ 10g in second part of physiological saline, stirring and dissolving, makes solution two; Weigh sucrose 0.5g ~ 10g, sorbierite 1 ~ 20g stirs and is dissolved in after in the 3rd part of physiological saline, adds glycerine 1 ~ 10g stirring and evenly mixing, makes solution three; To dissolve the solution one, solution two, the solution three that prepare, after order stirring and evenly mixing, vacuum outgas, packs to obtain finished product.
4. a kind of application method containing the flower antistaling agent of polyglutamic acid or its salt according to claim 1, it is characterized in that: for just plucking the Preservation Treatment of rear flowers, its correct using method is directly to the process of flowers even spraying, or the cut place of flowers is infiltrated 1 ~ 4h in this flower antistaling agent.
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| CN201210442302.5A CN103798228B (en) | 2012-11-08 | 2012-11-08 | A kind of flower antistaling agent containing polyglutamic acid or its salt |
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| CN104920348A (en) * | 2015-06-05 | 2015-09-23 | 柳州市天姿园艺有限公司 | Fresh-keeping agent special for gardenia |
| CN104920338A (en) * | 2015-06-05 | 2015-09-23 | 柳州市天姿园艺有限公司 | Fresh-keeping agent special for rosa chinensis |
| CN104938481A (en) * | 2015-06-05 | 2015-09-30 | 柳州市天姿园艺有限公司 | Hyacinth flower special-purpose preservative |
| CN104938480A (en) * | 2015-06-05 | 2015-09-30 | 柳州市天姿园艺有限公司 | Azalea flower special-purpose preservative |
| CN106719610A (en) * | 2016-11-25 | 2017-05-31 | 芜湖国苑苗木服务有限公司 | A kind of multi-functional plant flowers antistaling agent and preparation method thereof |
| CN108496961A (en) * | 2017-02-28 | 2018-09-07 | 刘振标 | Multi-functional fresh-preservative |
| CN106954626A (en) * | 2017-04-06 | 2017-07-18 | 胡静 | A kind of special fresh-keeping composition of compound flowers and preparation method thereof |
| CN107279132A (en) * | 2017-05-31 | 2017-10-24 | 中山市诺可贸易有限公司 | A kind of flowers long-acting preservative |
| CN107494526A (en) * | 2017-09-18 | 2017-12-22 | 鲁小芹 | A kind of fresh-keeping reagent and preparation method thereof of environmentally friendly landscape flower |
| CN109999139A (en) * | 2019-03-27 | 2019-07-12 | 六安初心生物科技有限公司 | A kind of stoving process of stone flower |
| CN110432318B (en) * | 2019-08-16 | 2022-11-08 | 天津科技大学 | Application of calcium glutamate, cold damage suppression and control preservative for cold-sensitive fruits and vegetables after picking and use method of preservative |
| CN111990397B (en) * | 2020-08-13 | 2022-04-29 | 山东省药学科学院 | Fresh cut flower preservation material and preparation method thereof |
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Denomination of invention: A flower preservative containing polyglutamic acid or its salt Effective date of registration: 20220527 Granted publication date: 20160309 Pledgee: Shandong Linshu Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG FREDA BIOTECHNOLOGY Co.,Ltd. Registration number: Y2022980006442 |
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Date of cancellation: 20230721 Granted publication date: 20160309 Pledgee: Shandong Linshu Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG FREDA BIOTECHNOLOGY Co.,Ltd. Registration number: Y2022980006442 |