CN101879320A - Refrigerator deodorant and preparation method thereof - Google Patents
Refrigerator deodorant and preparation method thereof Download PDFInfo
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- CN101879320A CN101879320A CN2010101914971A CN201010191497A CN101879320A CN 101879320 A CN101879320 A CN 101879320A CN 2010101914971 A CN2010101914971 A CN 2010101914971A CN 201010191497 A CN201010191497 A CN 201010191497A CN 101879320 A CN101879320 A CN 101879320A
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- citri grandis
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Abstract
The invention belongs to the field of the chemical industry, and discloses a refrigerator deodorant and a preparation method thereof. The refrigerator deodorant comprises pomelo peel essential oil, and the pomelo peel essential oil is prepared through the following method: pomelo peel is dried and smashed into pomelo peel powder; the pomelo peel powder is mixed with water according to the mass ratio of 1: 10 to 1: 15 and to be heated and extracted for 3 to 4 hours through refluxing to obtain the pomelo peel essential oil. The refrigerator deodorant also comprises gycol, polyvinyl alcohol, super absorbent resin, citric acid, sodium benzoate and carboxymethyl cellulose activator; or also comprises pomelo peel pectine, tartaric acid and ferrous sulfate; and also comprises beta-cyclodextrin. Chemical compositions of refrigerator deodorant can be reacted with bad-smelly gas. In the refrigerator, the essential oil also can inhibit the growth of bacteria so as to prevent the odor on the source; and at the same time, the refrigerator deodorant is safe and toxic-free, can be reacted at low temperature, and is applicable to the refrigerator environment.
Description
Technical field
The invention belongs to chemical field, be specifically related to a kind of deodorant for refrigerator and preparation method thereof.
Background technology
Refrigerator is that its low temperature and freezing environment make breeding of antibacterial and the external embodiment that disoperation is suppressed and delays to the preservation of food, but antibacterial do not killed fully, still has certain activity.When food was put for a long time, antibacterial had just produced catabolites such as ammonia, hydrogen sulfide, mercaptan and methylamine to the slow decomposition of food, and this is to be the gas with foreign flavor of feature with the stink in the electric refrigerator.Gas with foreign flavor in the refrigerator is as the product of bacterial decomposition food, not only causes unhappy on people's sense organ, but also worsened the original flavor of food.
The deodorant for refrigerator kind of Chu Shouing is a lot of in the market, mainly is the deodorizer of physisorption type, as active carbon, zeolite, Maifanitum and meerschaum etc.Though the deodorizer of these absorbent-types can play deodorization at short notice, because it is saturated easily, deodorization is limited.Though and the deodorant for refrigerator of chemical reaction type has the advantage that can eliminate the stink molecule by reaction, because it is applied to store in the refrigerator of food, therefore security requirement height, and the reaction condition that need adapt to have relatively high expectations still rarely seen at present report.
There is abundant Pericarpium Citri grandis resource in China, though in traditional refrigerator deodorizing method, there is direct use Fructus Citri grandis skin to be positioned over the interior method of refrigerator, but, this method more is to utilize the loose surface of Fructus Citri grandis skin to carry out physisorption, because the Fructus Citri grandis skin is placed certain hour rear surface drying shrinkage in refrigerator, lost effective adsorption immediately.And for the chemical constituent of Pericarpium Citri grandis at research aspect the deodorization and report, still one piece of blank at present.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, provide a kind of and can effectively remove the refrigerator stink, and the deodorant for refrigerator that can use safely.
Another object of the present invention is to provide the preparation method of this deodorant for refrigerator.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The invention provides a kind of deodorant for refrigerator, contain Pericarpium Citri grandis essential oil, this Pericarpium Citri grandis essential oil is to obtain by the following method: the Pericarpium Citri grandis crushed after being dried is obtained the Pericarpium Citri grandis powder; Pericarpium Citri grandis powder and water mixed according to weight ratio in 1: 10～1: 15 and heating and refluxing extraction 3～4 hours, obtain Pericarpium Citri grandis essential oil.
First kind of deodorant for refrigerator provided by the invention, the Pericarpium Citri grandis essential oil that contains weight ratio 1～2%, simultaneously, this deodorant for refrigerator can also contain the component of following mass fraction: 4～6% ethylene glycol, 2～5% polyvinyl alcohol, 1～3% High hydrophilous resin, 8～14% citric acids, 8～14% sodium benzoate, 20～30% carboxymethyl cellulose activators; Described carboxymethyl cellulose activator is carboxymethyl cellulose and sodium hydroxide, acrylic acid, potassium peroxydisulfate, N, N '-methylene-bisacrylamide reaction and getting.
Second kind of deodorant for refrigerator provided by the invention contains the Pericarpium Citri grandis essential oil of weight ratio 1～2%, simultaneously, also contains the component of following mass fraction: 5～7% pomelo-pectin, 60～70% tartaric acid, 5～8% ferrous sulfate; Described pomelo-pectin be Pericarpium Citri grandis after pulverizing after tartaric acid solution extracts, inject ethanol and separate out precipitate, and then dry and get, the deodorant for refrigerator of gained is a pectin type deodorizer at this moment.
The third deodorant for refrigerator provided by the invention is microcapsule-type deodorizer, contains the Pericarpium Citri grandis essential oil of mass fraction 14～34% and 40～70% beta-schardinger dextrin-.
The present invention provides the preparation method of these deodorant for refrigerator simultaneously.
The preparation method of first kind of deodorant for refrigerator is as follows:
Step 1) is soluble in water by the carboxymethyl cellulose that is 1～3 part by weight, 50～70 ℃ are stirred and add successively 5～9 parts sodium hydroxide, 14～22 parts acrylic acid, 0.2～0.8 part potassium peroxydisulfate, the N of 2～4 parts of mass fraction 1g/ml down, N '-methylene-bisacrylamide, reacted 1～2 hour, make the pale red thick liquid, the product vacuum drying to constant weight, is got pale brown color product and is the carboxymethyl cellulose activator;
Step 2) will be that 20～30% parts last carboxymethyl cellulose activator mixes with 4～6 parts of ethylene glycol by weight, and adding water dissolution, add 2～5 parts of polyvinyl alcohol and 1～3 part of High hydrophilous resin, be heated to 90～95 ℃, polyvinyl alcohol is fully dissolved and the abundant swelling of resin, be cooled to 50～70 ℃ then, add 1～2 part of Pericarpium Citri grandis essential oil, 8～14 parts of citric acids, 8～14 parts of sodium benzoate, 1～2 part of edible essence, restock water to total amount is 100 parts, fully obtains described deodorant for refrigerator after mixing and the cooling.
The preparation method of second kind of deodorant for refrigerator is as follows:
Step 1) was boiled in boiling water 8～20 minutes after Pericarpium Citri grandis is pulverized, elimination liquid, and remaining solid is with the clear water rinsing and drain;
Step 2) tartaric acid solution of adding mass fraction 1～3% in above-mentioned solid, the mass ratio of described solid and tartaric acid solution addition is 1～3: 10, regulates pH value to 1.5～2.5,70～95 ℃ following constant temperature with 3～5% hydrochloric acid and extracts, and gets extracting solution;
Step 3) is filtered extract, and filtrate is slightly yellowy transparent pectin solution, and under agitation the ethanol with mass fraction 95% injects fructose concentrating liquid, and pectin is separated out; The precipitate sucking filtration obtains the pectin filter cake, the filter cake washing with alcohol, and final drying obtains pectin;
Step 4) will be that 5～7 parts above-mentioned pectin mixes with 8～12 parts water by weight, make the abundant swelling of pectin, 30～55 ℃ of following constant temperature stir, add 1～2 part of Pericarpium Citri grandis essential oil, add 2～10 parts of tartaric acid, 5～8 parts of ferrous sulfate again, and supplementing water to total amount is 100 parts, stops to stir, and just obtains described deodorant for refrigerator after the cooling.
The preparation method of the third deodorant for refrigerator is as follows:
Step 1) is that 4～6 parts beta-schardinger dextrin-mixes with 0.5～1.5 part Pericarpium Citri grandis essential oil by weight, adding distilled water and heating dissolves beta-schardinger dextrin-fully, make saturated solution, stir at 30～50 ℃ of following constant temperature the cooling back, add 0.5～1.5 part of Pericarpium Citri grandis essential oil again, gained solution is hidden in refrigerator and cooled;
Step 2) above-mentioned solution through cold preservation is filtered, the gained solid is with petroleum ether and collect cleaning mixture, with the cleaning mixture drying, obtains white powder Pericarpium Citri grandis quintessence oil beta-schardinger dextrin-inclusion, is described deodorant for refrigerator.
Compared with prior art, the present invention has following beneficial effect:
The present invention creatively extracts the active substance of Pericarpium Citri grandis becomes the Pericarpium Citri grandis quintessence oil, and make the form that is adapted under the refrigerator low temperature environment, to carry out effectively continue to discharge by certain preparation technology and become deodorizer, confirm that after deliberation it has the antibiotic and deodorization functions of chemical, this is a big important breakthrough in the deodorant for refregerator field.
Deodorant for refrigerator provided by the present invention not only has chemical deodorizing and antibacterial effect under the effective low temperature, and safety non-toxic, is adapted to store interior use of refrigerator of food.
The essential oil that uses among the present invention extracts from Pericarpium Citri grandis, mainly contain terpenoid, aromatic series and aliphatic compound, have analgesia, antibiotic, antiinflammatory, releive, antioxidation and dispel effects such as free radical, its abnormal smells from the patient is pure and fresh, color and luster is simple and elegant, stink can be covered, this is a deodorizer deodorant mechanism, and in the quintessence oil chemical constituent can and foul smell gas react, as if in refrigerator, quintessence oil can also suppress the growth of antibacterial, thereby suppresses the generation of stink on the source.
The raw material sources that the present invention adopts are extensive, made full use of Pericarpium Citri grandis, produce simply, and technological investment is simple, and cost is low, is deodorization articles for use more satisfactory in the daily life.
The specific embodiment
Below further specify technical scheme of the present invention by specific embodiment.
Embodiment 1
In beaker, the 2g carboxymethyl cellulose is dissolved in the 50ml deionized water, adding 7.2g NaOH, 18g acrylic acid, 0.5g potassium peroxydisulfate (initiator), 3ml mass concentration then under 60 ℃ condition while stirring successively is the N of 1g/ml, N '-methylene-bisacrylamide, the beaker overlay film, reaction 1.5h gets the pale red thick liquid, with product in 60 ℃ of vacuum dryings to constant weight, pale brown color product.
With the above-mentioned pale brown color product of 15g and 50g water and 4～6g ethylene glycol mix homogeneously, add 2～5g polyvinyl alcohol and 1g High hydrophilous resin, be heated to 90～95 ℃, polyvinyl alcohol fully dissolved and the abundant swelling of resin, be cooled to about 60 ℃ then, add 1～2ml Pericarpium Citri grandis quintessence oil, 10g citric acid, 10g sodium benzoate are an amount of, and restock water is to total amount 100g, behind abundant mixing, inject suitable mould, just obtain the essential oil deodorant for refrigerator after the cooling.
Embodiment 2
Take by weighing 100.0g Pericarpium Citri grandis powder and in boiling water, boil 10min, elimination juice, the clear water rinsing is approaching colourless to washing liquid for several times, pulls out to drain.Peel is poured in the round-bottomed flask, added the tartaric acid solution of 1000.0g 1.5%, use the hydrochloric acid of 3mol/L to regulate pH=1.5-2.5, extraction temperature is 85 ℃, and insulation, the continuous stirring get extract.Extract is removed the peeling slag with the vacuum pump sucking filtration, and filtrate is slightly yellowy transparent pectin solution.Under agitation 95% industrial alcohol is injected the fructose concentrating liquid that is chilled to room temperature, pectin is cotton-shaped curding out.Precipitate obtains the pectin filter cake with the vacuum pump sucking filtration, and filter cake is drained with 95% washing with alcohol 2 times, reclaims ethanol.Pectin places vacuum drying oven dry, obtains pectin.
6g pectin is mixed with 10g water, make the abundant swelling of pectin, bath temperature is 45 ℃, and stir on the limit, and the limit adds 1～2ml Pericarpium Citri grandis quintessence oil, 2g tartaric acid, 7g ferrous sulfate, and supplementing water is to total amount 100g.After fully mixing, stop to stir, just obtain pectin type deodorizer after the cooling.
Embodiment 3
Accurately take by weighing beta-schardinger dextrin-5g and Pericarpium Citri grandis quintessence oil 1g, add a certain amount of distilled water, the boiling water bath heating is dissolved beta-schardinger dextrin-fully, makes saturated solution.Be cooled to 40 ℃ of set points of temperature, constant temperature stirs on the magnetic force heating stirrer, slowly adds Pericarpium Citri grandis quintessence oil 1g (with ethanol 1.5ml dissolving), after stirring a period of time, stops to stir, and hides in refrigerator and cooled and spends the night.Sucking filtration separates, and sucking filtration upper strata distilled water use a small amount of petroleum ether, collects lower floor's inclusion, and the inclusion of preparation was put in 30 ℃ of baking ovens drying 24 hours, promptly gets white powder Pericarpium Citri grandis quintessence oil beta-schardinger dextrin-inclusion, promptly is the microcapsule-type deodorant for refrigerator.
Claims (9)
1. deodorant for refrigerator, it is characterized in that: contain the Pericarpium Citri grandis essential oil of mass ratio 1～2%, described Pericarpium Citri grandis essential oil is to obtain by the following method: the Pericarpium Citri grandis crushed after being dried is obtained the Pericarpium Citri grandis powder; Pericarpium Citri grandis powder and water mixed according to mass ratio in 1: 10～1: 15 and heating and refluxing extraction 3～4 hours, obtain Pericarpium Citri grandis essential oil.
2. deodorant for refrigerator according to claim 1 is characterized in that: the component that also contains following mass fraction: 4～6% ethylene glycol, 2～5% polyvinyl alcohol, 1～3% High hydrophilous resin, 8～14% citric acids, 8～14% sodium benzoate, 20～30% carboxymethyl cellulose activators.
3. deodorant for refrigerator according to claim 2 is characterized in that: described carboxymethyl cellulose activator is carboxymethyl cellulose and sodium hydroxide, acrylic acid, potassium peroxydisulfate, N, N '-methylene-bisacrylamide reaction and getting.
4. deodorant for refrigerator according to claim 1 is characterized in that, also contains the component of following mass fraction: 5～7% pomelo-pectin, 60～70% tartaric acid, 5～8% ferrous sulfate.
5. deodorant for refrigerator according to claim 4 is characterized in that: described pomelo-pectin be Pericarpium Citri grandis after pulverizing after tartaric acid solution extracts, inject ethanol and separate out precipitate, and then dry and get.
6. deodorant for refrigerator, it is characterized in that: contain the Pericarpium Citri grandis essential oil of mass fraction 14～34% and 40～70% beta-schardinger dextrin-, described Pericarpium Citri grandis essential oil is to obtain by the following method: the Pericarpium Citri grandis crushed after being dried is obtained the Pericarpium Citri grandis powder; Pericarpium Citri grandis powder and water mixed according to mass ratio in 1: 10～1: 15 and heating and refluxing extraction 3～4 hours, obtain Pericarpium Citri grandis essential oil.
7. the preparation method of a deodorant for refrigerator according to claim 2 is characterized in that comprising the steps:
Step 1) is soluble in water by the carboxymethyl cellulose that is 1～3 part by weight, 50～70 ℃ are stirred and add successively 5～9 parts sodium hydroxide, 14～22 parts acrylic acid, 0.2～0.8 part potassium peroxydisulfate, the N of 2～4 parts of mass fraction 1g/ml down, N '-methylene-bisacrylamide, reacted 1～2 hour, make the pale red thick liquid, the product vacuum drying to constant weight, is got pale brown color product and is the carboxymethyl cellulose activator;
Step 2) will be that 20～30 parts last carboxymethyl cellulose activator mixes with 4～6 parts of ethylene glycol by weight, and adding water dissolution, add 2～5 parts of polyvinyl alcohol and 1～3 part of High hydrophilous resin, be heated to 90～95 ℃, polyvinyl alcohol is fully dissolved and the abundant swelling of resin, be cooled to 50～70 ℃ then, add 1～2 part of Pericarpium Citri grandis essential oil, 8～14 parts of citric acids, 8～14 parts of sodium benzoate, 1～2 part of edible essence, restock water to total amount is 100 parts, fully obtains described deodorant for refrigerator after mixing and the cooling.
8. the preparation method of a deodorant for refrigerator according to claim 4 is characterized in that comprising the steps:
Step 1) was boiled in boiling water 8～20 minutes after Pericarpium Citri grandis is pulverized, elimination liquid, and remaining solid is with the clear water rinsing and drain;
Step 2) tartaric acid solution of adding mass fraction 1～3% in above-mentioned solid, the mass ratio of described solid and tartaric acid solution addition is 1～3: 10, regulates pH value to 1.5～2.5,70～95 ℃ following constant temperature and extracts, and gets extracting solution;
Step 3) is filtered extract, and filtrate is slightly yellowy transparent pectin solution, and under agitation the ethanol with mass fraction 95% injects fructose concentrating liquid, and pectin is separated out; The precipitate sucking filtration obtains the pectin filter cake, the filter cake washing with alcohol, and final drying obtains pectin;
Step 4) will be that 5～7 parts above-mentioned pectin mixes with 8～12 parts water by weight, make the abundant swelling of pectin, 30～55 ℃ of following constant temperature stir, add 1～2 part of Pericarpium Citri grandis essential oil, add 2～10 parts of tartaric acid, 5～8 parts of ferrous sulfate again, and supplementing water to total amount is 100 parts, stops to stir, and just obtains described deodorant for refrigerator after the cooling.
9. the preparation method of a deodorant for refrigerator according to claim 6 is characterized in that comprising the steps:
Step 1) is that 4～6 parts beta-schardinger dextrin-mixes with 0.5～1.5 part Pericarpium Citri grandis essential oil by weight, adding distilled water and heating dissolves beta-schardinger dextrin-fully, make saturated solution, stir at 30～50 ℃ of following constant temperature the cooling back, add 0.5～1.5 part of Pericarpium Citri grandis essential oil again, gained solution is hidden in refrigerator and cooled;
Step 2) above-mentioned solution through cold preservation is filtered, the gained solid is with petroleum ether and collect cleaning mixture, with the cleaning mixture drying, obtains white powder Pericarpium Citri grandis quintessence oil beta-schardinger dextrin-inclusion, is described deodorant for refrigerator.
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| CN 201010191497 CN101879320B (en) | 2010-05-28 | 2010-05-28 | Refrigerator deodorant and preparation method thereof |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102406954A (en) * | 2011-11-18 | 2012-04-11 | 江苏大学 | Plant extract deodorant and preparation method thereof |
| CN102994290A (en) * | 2012-12-06 | 2013-03-27 | 南通市华东润滑设备有限公司 | Washing agent for refrigerator |
| CN103484257A (en) * | 2013-10-14 | 2014-01-01 | 厦门大学 | Comprehensive utilization method for pomelo peels |
| CN103727727A (en) * | 2013-11-25 | 2014-04-16 | 陈付峰 | Peculiar smell eliminating device for refrigerator |
| CN104921406A (en) * | 2015-07-06 | 2015-09-23 | 陕西科技大学 | Preparation method for antifungal and deodorized insole |
| CN105268005A (en) * | 2014-06-03 | 2016-01-27 | 大连泉盛科学技术开发有限公司 | Deodorant |
| CN106925228A (en) * | 2017-04-11 | 2017-07-07 | 安徽博硕科技有限公司 | A kind of attapulgite deodorant for refrigerator and preparation method thereof |
| CN107837413A (en) * | 2017-11-05 | 2018-03-27 | 茆莉娟 | A kind of cold compartment of refrigerator de-tastes capsule with spacetabs type |
| CN107875428A (en) * | 2017-11-21 | 2018-04-06 | 常州市鼎升环保科技有限公司 | A kind of preparation method of air conditioning for automobiles air freshener |
| CN108245697A (en) * | 2018-01-16 | 2018-07-06 | 白山市和硅藻科技有限公司 | A kind of new refrigerator deodorant containing loaded modified diatom soil |
| CN108325372A (en) * | 2018-02-26 | 2018-07-27 | 重庆化工职业学院 | Deodorant and preparation method thereof |
| CN110420342A (en) * | 2019-06-21 | 2019-11-08 | 苟小平 | A kind of deodorant for refrigerator |
| CN112156635A (en) * | 2020-09-28 | 2021-01-01 | 成都玉龙化工有限公司 | Deodorant and preparation method thereof |
| CN113003644A (en) * | 2021-03-05 | 2021-06-22 | 浙江理工大学 | Environment-friendly deodorant and preparation method thereof |
| CN114711408A (en) * | 2021-12-31 | 2022-07-08 | 南通奥凯生物技术开发有限公司 | Method for preparing microencapsulated shaddock peel oil by freeze drying method |
| CN115463238A (en) * | 2022-09-16 | 2022-12-13 | 海信冰箱有限公司 | Refrigerator deodorization material, preparation method thereof and refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102406954A (en) * | 2011-11-18 | 2012-04-11 | 江苏大学 | Plant extract deodorant and preparation method thereof |
| CN102994290A (en) * | 2012-12-06 | 2013-03-27 | 南通市华东润滑设备有限公司 | Washing agent for refrigerator |
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| CN103727727A (en) * | 2013-11-25 | 2014-04-16 | 陈付峰 | Peculiar smell eliminating device for refrigerator |
| CN105268005A (en) * | 2014-06-03 | 2016-01-27 | 大连泉盛科学技术开发有限公司 | Deodorant |
| CN104921406A (en) * | 2015-07-06 | 2015-09-23 | 陕西科技大学 | Preparation method for antifungal and deodorized insole |
| CN106925228A (en) * | 2017-04-11 | 2017-07-07 | 安徽博硕科技有限公司 | A kind of attapulgite deodorant for refrigerator and preparation method thereof |
| CN107837413A (en) * | 2017-11-05 | 2018-03-27 | 茆莉娟 | A kind of cold compartment of refrigerator de-tastes capsule with spacetabs type |
| CN107875428A (en) * | 2017-11-21 | 2018-04-06 | 常州市鼎升环保科技有限公司 | A kind of preparation method of air conditioning for automobiles air freshener |
| CN108245697A (en) * | 2018-01-16 | 2018-07-06 | 白山市和硅藻科技有限公司 | A kind of new refrigerator deodorant containing loaded modified diatom soil |
| CN108325372A (en) * | 2018-02-26 | 2018-07-27 | 重庆化工职业学院 | Deodorant and preparation method thereof |
| CN110420342A (en) * | 2019-06-21 | 2019-11-08 | 苟小平 | A kind of deodorant for refrigerator |
| CN112156635A (en) * | 2020-09-28 | 2021-01-01 | 成都玉龙化工有限公司 | Deodorant and preparation method thereof |
| CN113003644A (en) * | 2021-03-05 | 2021-06-22 | 浙江理工大学 | Environment-friendly deodorant and preparation method thereof |
| CN113003644B (en) * | 2021-03-05 | 2022-12-09 | 浙江理工大学 | Environment-friendly deodorant and preparation method thereof |
| CN114711408A (en) * | 2021-12-31 | 2022-07-08 | 南通奥凯生物技术开发有限公司 | Method for preparing microencapsulated shaddock peel oil by freeze drying method |
| CN115463238A (en) * | 2022-09-16 | 2022-12-13 | 海信冰箱有限公司 | Refrigerator deodorization material, preparation method thereof and refrigerator |
| CN115463238B (en) * | 2022-09-16 | 2023-10-13 | 海信冰箱有限公司 | Refrigerator deodorizing material, preparation method thereof and refrigerator |
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