CN114225086B - Natural plant type deodorizing and insect-repellent preparation and preparation method thereof - Google Patents
Natural plant type deodorizing and insect-repellent preparation and preparation method thereof Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 50
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- 238000004108 freeze drying Methods 0.000 claims description 8
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- 229940039576 xanthium extract Drugs 0.000 claims description 8
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- 235000011187 glycerol Nutrition 0.000 claims description 3
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
- A61L9/013—Deodorant compositions containing animal or plant extracts, or vegetable material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/22—Lamiaceae or Labiatae [Mint family], e.g. thyme, rosemary, skullcap, selfheal, lavender, perilla, pennyroyal, peppermint or spearmint
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/24—Lauraceae [Laurel family], e.g. laurel, avocado, sassafras, cinnamon or camphor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/36—Rutaceae [Rue family], e.g. lime, orange, lemon, corktree or pricklyash
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/40—Liliopsida [monocotyledons]
- A01N65/44—Poaceae or Gramineae [Grass family], e.g. bamboo, lemon grass or citronella grass
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2101/00—Chemical composition of materials used in disinfecting, sterilising or deodorising
- A61L2101/32—Organic compounds
- A61L2101/46—Macromolecular compounds
- A61L2101/50—Polysaccharides or derivatives thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Zoology (AREA)
- Dentistry (AREA)
- Environmental Sciences (AREA)
- Mycology (AREA)
- Plant Pathology (AREA)
- Biotechnology (AREA)
- Wood Science & Technology (AREA)
- Agronomy & Crop Science (AREA)
- Microbiology (AREA)
- Botany (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention relates to a natural plant type deodorizing and insect-repellent preparation and a preparation method thereof, which belong to the technical field of deodorizers, and are prepared by taking sweet osmanthus oil, peppermint essential oil, apple essence, citronella extract, camphor tree extract and lemon extract as main raw materials, mixing the main raw materials, emulsifying by 2-5 parts of emulsifying agent, clathrating by chitosan and cyclodextrin in sequence, and adding aqueous solution prepared by cocklebur extract, aqueous rose dew, compound emulsifying agent and stabilizing aid. When the natural plant type deodorizing and insect-repellent preparation is sprayed to an action point, the first step is to perform primary deodorizing and sterilizing through the aqueous rose dew and the cocklebur extract, and then the plant extracts included by cyclodextrin and chitosan are released to perform the second step of deodorizing and insect-repellent sterilization, so that the deodorizing time is prolonged.
Description
Technical Field
The invention belongs to the technical field of deodorants, and in particular relates to a natural plant type deodorizing and insect-repellent preparation and a preparation method thereof.
Background
In the face of the large population growth, the expansion of urban scale causes various domestic garbage to be generated, the increasingly-increased domestic garbage causes great difficulty for garbage disposal, and a garbage disposal site is a garbage stabilization and harmless disposal site, but a large amount of malodor, strong stimulation, inflammable and explosive complex gas is generated due to the combined action of physics, chemistry and biology in the disposal process. In addition, a large amount of malodorous gas can be generated in the process of transferring, tiling, compacting and the like of the garbage in the treatment field. Malodorous gas in garbage disposal sites contains various toxic and harmful substances, and can seriously influence the sustainable development of human survival and environment.
From the current research, the malodor treatment technology at home and abroad is more, and the technology mainly comprises a physical method, a chemical method, a biological method or a combination of the methods. The physical deodorization method is to adsorb and fix the odor by using an adsorbent, the adsorption capacity of the odor is greatly reduced along with the time extension, the adsorption deodorization effect is lost after the odor reaches adsorption saturation, and the odor cannot act on the surface and the interior of garbage; the traditional chemical method cannot be widely applied due to the problems of short acting time, large loss, large dosage of medicament and the like caused by adding various oxidants, and most chemical reagents contain acetaldehyde, styrene and other components for stimulating respiratory tract, so that allergic reaction is easy to cause; the biological method for deodorizing by adopting microbial flora has the problems of difficult strain screening, cultivation and preservation, poor stability of deodorizing effect affected by temperature and the like; the masking method is to mask the odor by using essence, and the odor components are not reduced, and the toxic and harmful gases emitted by the garbage can still cause harm to human bodies. Therefore, the garbage deodorant has the advantages of quick and effective deodorization, strong sterilization, safety, no toxicity and no harm to the environment and human body.
Disclosure of Invention
The invention aims to provide a natural plant type deodorizing and insect-repellent preparation which has the advantages of quick and effective deodorization, strong sterilization, safety, no toxicity and no harm to the environment and human body and a preparation method thereof.
The invention realizes the above purpose through the following technical scheme:
the invention provides a natural plant type deodorizing and insect-repellent preparation, which is an aqueous solution prepared by taking sweet osmanthus oil, peppermint essential oil, apple essence, citronella extract, camphor tree extract and lemon extract as main raw materials, mixing the main raw materials, emulsifying by 2-5 parts of emulsifying agent, sequentially clathrating by chitosan and cyclodextrin, and adding a xanthium extract, aqueous rose dew, a compound emulsifying agent and a stabilizing aid.
As a further improvement of the invention, the raw material composition comprises, by weight, 20-50 parts of osmanthus fragrans oil, 10-50 parts of peppermint essential oil, 20-50 parts of apple essence, 30-50 parts of citronella extract, 20-50 parts of camphor tree extract, 40-50 parts of lemon extract, 20-30 parts of xanthium extract, 20-30 parts of aqueous rose syrup, 1-10 parts of compound emulsifier and 2-10 parts of stabilizing aid.
As a further improvement of the invention, the compound emulsifier comprises an emulsifier, sodium dodecyl benzene sulfonate and glycerin, and the mass ratio of the emulsifier to the sodium dodecyl benzene sulfonate is 4:1:2.
as a further improvement of the invention, the emulsifier is one of Tween-40 or Tween-80.
As a further improvement of the invention, the emulsifier is Tween-40.
As a further improvement of the present invention, the destabilizing agent comprises a combination of xanthan gum and a silicone-based defoamer.
The invention also provides a preparation method of the natural plant type deodorizing and insect repellent preparation, which comprises the following steps:
(1) Mixing flos Osmanthi Fragrantis oil, oleum Menthae Dementholatum, apple essence, citronella extract, camphor tree extract and lemon extract, adding emulsifier, adding appropriate amount of water, and stirring to obtain milkshake-shaped mixture A;
(2) Adding chitosan into acetic acid solution, slowly adding milkshake-shaped mixture A into the acetic acid solution after dissolving chitosan, stirring by ultrasonic, and obtaining powder A after centrifugal washing and freeze drying;
(3) Adding the powder A into water to form a solution, completely dissolving cyclodextrin into hot water, slowly dripping the powder A solution into the cyclodextrin solution, heating and stirring, cooling to room temperature, and performing centrifugal washing and freeze drying to obtain powder B;
(4) Mixing the cocklebur extractive solution, the aqueous rose syrup, the compound emulsifier and the stabilizing aid under stirring to form a mixture B, adding the powder B into a solvent, mixing with the mixture B, stirring uniformly, and emulsifying at high speed in a high-shear mixing emulsifying machine to obtain the pure natural plant deodorizing and insect repellent preparation.
As a further improvement of the invention, the deacetylation degree of the chitosan in the step (2) is more than or equal to 95 percent, and the viscosity is 100-200mpa.s.
As a further improvement of the invention, when in use, the pure natural plant type deodorizing and insect-repellent preparation is prepared by the following components in volume ratio of 1: (200-500) and pure water, then placing the mixture into a high-shear mixing emulsifying machine for high-speed emulsification to obtain the immediately used deodorant, and spraying the deodorant by a high-pressure atomization deodorant spraying device.
The invention has the beneficial effects that:
when the natural plant type deodorizing and insect-repellent preparation is sprayed to an action point, the first step is to primarily deodorize and expel insects through aqueous rose dew and cocklebur extract, and then the plant extracts included by cyclodextrin and chitosan are released to perform the second step of sterilization and deodorization, and double sterilization and deodorization and insect-repellent are performed, so that the deodorizing time is prolonged.
The natural plant extract is included by the abundant polar groups on the surface of the chitosan, so that the overall stability of the solution is improved, and the use time effect of the preparation is prolonged by the sterilization and bacteriostasis effects of the chitosan; the slow release effect of the cyclodextrin can overcome the defect that the plant extract is easy to volatilize to a certain extent, and further prolong the deodorizing aging.
The air-based odor treatment agent is sprayed into the malodorous environment through atomization equipment, can quickly adsorb harmful odor small molecules in the air, and remove harmful gas molecules through decomposition, polymerization, oxidation and other reactions. Has the characteristics of high deodorizing efficiency, good effect, mosquito and fly expelling, no harm to human body and no secondary pollution to environment.
The product can be applied to the peculiar smell removal of places of a garbage transfer station, a garbage transfer platform, a collecting tank and various peculiar smell generating sources, and high-pressure atomization deodorizing spraying equipment is required to be configured.
Detailed Description
The following detailed description of the present application is provided to illustrate the present application and should not be construed as limiting the scope of the present application, since numerous insubstantial modifications and adaptations of the present application will be apparent to those skilled in the art from the foregoing disclosure.
Example 1
The natural plant type deodorizing and insect-repellent preparation in the embodiment is prepared from, by weight, 20 parts of osmanthus fragrans oil, 10 parts of mint essential oil, 20 parts of apple essence, 50 parts of citronella extract, 20 parts of camphor tree extract and 50 parts of lemon extract as main raw materials, mixing the main raw materials, emulsifying the main raw materials by 5 parts of emulsifying agents, clathrating the main raw materials sequentially by chitosan and cyclodextrin, and adding an aqueous solution prepared from 20 parts of xanthium extract, 20 parts of aqueous rose dew, 3 parts of compound emulsifying agents and 2 parts of stabilizing aids.
Wherein the compound emulsifier consists of tween-40, sodium dodecyl benzene sulfonate and glycerin, and the mass ratio is 4:1:2; the stabilizing aid comprises a combination of xanthan gum and a silicone-based defoamer.
The preparation method comprises the following steps:
(1) Mixing flos Osmanthi Fragrantis oil, oleum Menthae Dementholatum, apple essence, herba Cymbopogonis Citrari extract, lignum Cinnamomi Camphorae extract and fructus Citri Limoniae extract, adding tween-40, adding appropriate amount of water, and stirring to obtain milkshake-like mixture A;
(2) Adding chitosan with deacetylation degree more than or equal to 95% and viscosity of 100-200mpa.s into acetic acid solution, slowly adding milkshake mixture A into the acetic acid solution after dissolving chitosan, ultrasonically stirring, centrifugally washing, and freeze-drying to obtain powder A, wherein the dosage of chitosan is 2% -5% of the whole of osmanthus fragrans oil, peppermint essential oil, apple essence, citronella extract, camphor tree extract and lemon extract;
(3) Adding the powder A into water to form a solution, completely dissolving cyclodextrin into hot water, slowly dripping the powder A into the cyclodextrin solution, heating and stirring for 3 hours at 60 ℃, cooling to room temperature, and performing centrifugal washing and freeze drying to obtain powder B, wherein the dosage of the cyclodextrin is 10% -150% of the whole of osmanthus fragrans oil, peppermint essential oil, apple essence, citronella extract, camphor tree extract and lemon extract;
(4) Mixing herba Xanthii extract, water-based rose syrup, compound emulsifier and stabilizer under stirring to form a mixture B, adding the powder B into the solvent, mixing with the mixture B, and stirring to obtain the pure natural plant deodorizing and insect repellent preparation.
Example 2
The natural plant type deodorizing and insect-repellent preparation in the embodiment is prepared from, by weight, 30 parts of osmanthus fragrans oil, 20 parts of mint essential oil, 50 parts of apple essence, 30 parts of citronella extract, 20 parts of camphor tree extract and 40 parts of lemon extract as main raw materials, mixing the main raw materials, emulsifying the main raw materials by 4 parts of emulsifying agents, clathrating the main raw materials sequentially by chitosan and cyclodextrin, and adding an aqueous solution prepared from 30 parts of xanthium extract, 20 parts of aqueous rose dew, 5 parts of compound emulsifying agents and 2 parts of stabilizing aids. The preparation method is the same as in example 1 except that the emulsifier in the compound emulsifier and the emulsifier adopted by the main raw material mixing emulsification are all tween-80.
Example 3
The natural plant type deodorizing and insect-repellent preparation in the embodiment is prepared from, by weight, 50 parts of osmanthus fragrans oil, 30 parts of mint essential oil, 40 parts of apple essence, 40 parts of citronella extract, 40 parts of camphor tree extract and 40 parts of lemon extract as main raw materials, mixing the main raw materials, emulsifying the main raw materials by 3 parts of emulsifying agents, clathrating the main raw materials sequentially by chitosan and cyclodextrin, and adding 30 parts of cocklebur extract, 30 parts of aqueous rose dew, 3 parts of compound emulsifying agents and 2 parts of stabilizing agents to prepare an aqueous solution. Except that the emulsifier in the compound emulsifier adopts Tween 40, the emulsifier adopted in the main raw material mixing emulsification is Tween-80, and other preparation methods are the same as in example 1.
Example 4
The natural plant type deodorizing and insect-repellent preparation in the embodiment is prepared from, by weight, 20 parts of osmanthus fragrans oil, 30 parts of mint essential oil, 25 parts of apple essence, 50 parts of citronella extract, 50 parts of camphor tree extract and 50 parts of lemon extract as main raw materials, mixing the main raw materials, emulsifying the main raw materials by 2 parts of emulsifying agents, clathrating the main raw materials sequentially by chitosan and cyclodextrin, and adding 30 parts of cocklebur extract, 30 parts of aqueous rose dew, 4 parts of compound emulsifying agents and 3 parts of stabilizing agents to prepare an aqueous solution. Except that the emulsifier in the compound emulsifier adopts Tween 80, the emulsifier adopted in the main raw material mixing emulsification is Tween-40, and other preparation methods are the same as in example 1.
Example 5
The natural plant type deodorizing and insect-repellent preparation in the embodiment is prepared from, by weight, 20 parts of osmanthus fragrans oil, 30 parts of mint essential oil, 30 parts of apple essence, 50 parts of citronella extract, 50 parts of camphor tree extract and 50 parts of lemon extract as main raw materials, mixing the main raw materials, emulsifying the main raw materials by 2 parts of emulsifying agents, clathrating the main raw materials sequentially by chitosan and cyclodextrin, and adding 30 parts of cocklebur extract, 30 parts of aqueous rose dew, 4 parts of compound emulsifying agents and 3 parts of stabilizing agents to prepare an aqueous solution. The preparation method is the same as in example 1 except that the emulsifier used in the compound emulsifier and the emulsifier used in the main raw material mixing emulsification are tween-40.
Comparative example 1
The natural plant type deodorizing and insect repellent agent of this comparative example was free of osmanthus oil, peppermint essential oil and apple essence, and the rest was the same as in example 5.
Comparative example 2
The natural plant type deodorizing and insect-repellent preparation of this comparative example was the same as in example 5 except that citronella extract and camphor tree extract were not used.
Comparative example 3
The natural plant type deodorizing and insect repellent agent of this comparative example was prepared in the same manner as in example 5 except that the xanthium extract and the aqueous rose syrup were removed.
Comparative example 4
The natural plant type deodorizing and insect-repellent preparation of this comparative example was prepared by using tween-40 for the emulsification operation, and no compound emulsifier was used, and the rest was the same as in example 5.
Comparative example 5
The natural plant type deodorizing and insect-repellent preparation in this comparative example is prepared as in example 5, without using chitosan and cyclodextrin as the main materials, and comprises the following steps:
(1) Mixing flos Osmanthi Fragrantis oil, oleum Menthae Dementholatum, apple essence, herba Cymbopogonis Citrari extract, lignum Cinnamomi Camphorae extract and fructus Citri Limoniae extract, adding tween-40, adding appropriate amount of water, and stirring to obtain milkshake-like mixture A;
(2) Mixing herba Xanthii extract, water-based rose syrup, compound emulsifier and stabilizer under stirring to form a mixture B, mixing the milkshake-shaped mixture A with the mixture B, and stirring to obtain the pure natural plant deodorizing and insect repellent preparation.
Comparative example 6
The natural plant type deodorizing and insect-repellent preparation in this comparative example is prepared by the following steps, as in example 5, without inclusion of chitosan:
(1) Mixing flos Osmanthi Fragrantis oil, oleum Menthae Dementholatum, apple essence, herba Cymbopogonis Citrari extract, lignum Cinnamomi Camphorae extract and fructus Citri Limoniae extract, adding tween-40, adding appropriate amount of water, and stirring to obtain milkshake-like mixture A;
(2) Completely dissolving cyclodextrin in hot water, slowly dripping the milkshake-shaped mixture A into the cyclodextrin solution, heating at 60 ℃ and stirring for 3 hours, cooling to room temperature, and centrifugally washing and freeze-drying to obtain powder;
(3) Mixing herba Xanthii extractive solution, aqueous flos Rosae Rugosae dew, compound emulsifier, and stabilizer under stirring to form mixture B, adding the powder into solvent, mixing with mixture B, and stirring to obtain natural plant deodorizing and insect repellent preparation.
Comparative example 7
The natural plant type deodorizing and insect-repellent preparation in this comparative example is prepared by the following steps, as in example 5, without inclusion with cyclodextrin:
(1) Mixing flos Osmanthi Fragrantis oil, oleum Menthae Dementholatum, apple essence, herba Cymbopogonis Citrari extract, lignum Cinnamomi Camphorae extract and fructus Citri Limoniae extract, adding tween-40, adding appropriate amount of water, and stirring to obtain milkshake-like mixture A;
(2) Adding chitosan with deacetylation degree more than or equal to 95% and viscosity of 100-200mpa.s into acetic acid solution, slowly adding milkshake mixture A into the acetic acid solution after dissolving chitosan, stirring by ultrasonic, and obtaining powder A after centrifugal washing and freeze drying;
(3) Mixing herba Xanthii extract, water-based rose syrup, compound emulsifier and stabilizer under stirring to form a mixture B, adding the powder A into the solvent, mixing with the mixture B, and stirring to obtain the pure natural plant deodorizing and insect repellent preparation.
To verify the effect of the natural plant type deodorizing and insect repellent formulation of the present invention, the formulations prepared in examples and comparative examples were subjected to the following test.
The formulations prepared in examples 1-5 and comparative examples 1-7 were prepared in a volume ratio of 1:200 is mixed with pure water.
1. Under the condition of normal temperature and normal pressure, the polluted gas is as follows: ammonia, methyl mercaptan and dimethyl sulfide were collected through large bubble collecting tubes containing 10ml of the samples of examples 1 to 5 and comparative examples 1 to 5, respectively, at a flow rate of 1L/min, and the treated gas was analyzed for concentration to calculate the deodorizing efficiency. The results are shown in the following table.
The data are the detection data of the China Guangzhou analysis test center. As can be seen from the two tables, the natural plant type deodorizing and insect repellent preparation has extremely high treatment efficiency on the odor gas, wherein the ammonia removal rate can reach 97.40%, the methyl mercaptan removal rate can reach 99%, and the methyl sulfide removal rate can reach 95.79%. It was found from comparative examples 1 to 3 that the removal effect of ammonia, methyl mercaptan and methyl sulfide was greatly affected by the extract of Xanthium sibiricum and the aqueous rose syrup, and the extract of citronella and the extract of camphor tree, and that the removal effect of citronella and the extract of camphor tree, particularly on methyl sulfide, was very excellent.
2. 250ml of each of examples 1-5 and comparative examples 1-7 was sprayed onto 3 sheets of 1m 2 Is carried on a carrier of (a). At 1.5m 3 In the test chamber, the samples of examples 1 to 5 and comparative examples 1 to 7 were placed, benzene, toluene and xylene (TVOC was calculated as benzene, toluene and xylene) release sources were placed, and after 24 hours of action, the concentration change was measured while another test chamber was used as a blank chamber, and the removal rate was calculated from the sample chamber and the blank chamber termination concentration. The results are shown in the following table.
The data are the detection data of the China Guangzhou analysis test center. As can be seen from the above table, the natural plant type deodorizing and insect repellent preparation of the present invention has extremely high treatment efficiency on TVOC harmful gas, and it can be found by comparing examples 1 to 5 with comparative examples 1 to 7 that the Osmanthus fragrans flower oil, the peppermint essential oil and the apple essence, and the Xanthium sibiricum extract and the aqueous Rose dew, and the citronella extract and the camphor tree extract all have removal effects on TVOC, wherein the effects of the Osmanthus fragrans flower oil, the peppermint essential oil and the apple essence are greater than those of the Xanthium sibiricum extract and the aqueous Rose dew, and the citronella extract and the camphor tree extract.
As can be seen from the above two sets of experiments, examples 1 to 5 each have excellent effects, with example 5 being the most preferred example.
3. Under normal temperature and pressure, 12 groups of boxes with the diameter of 2 multiplied by 2m are prepared, 1kg of household garbage is respectively placed in the boxes, three groups of holes with the diameter of 10cm are reserved above the boxes, after the boxes are placed for 24 hours, 5kg of the preparation of the example 1-5 and the preparation of the comparative example 1-7 are sprayed into the boxes, the initial odor is recorded as 10, the odor just after spraying for 1min and spraying for 24 hours is recorded, and the odor is recorded as 10-0 according to the taste depth.
As can be seen from the table, the preparation provided by the invention has very excellent deodorizing effects in two stages before and after deodorizing, namely instant deodorizing and long-time deodorizing, and the comparison examples 1-7 show that the deodorizing effect of the osmanthus fragrans oil, the peppermint essential oil, the apple essence and the citronella extract is influenced in the later stage, the deodorizing effect of the xanthium extract and the aqueous rose dew is influenced in the former stage, and the chitosan and the cyclodextrin inclusion can play a slow-release role on the plant extract, so that deodorizing time can be prolonged, and meanwhile, the comparison example 4 shows that the selection of the emulsifier has a certain influence on the stability of the preparation.
4. Example 5 was prepared in a volume ratio of 1: 100. 1: 200. 1:300. 1: 400. 1: 500. 1: 800. 1:1000 and pure water, 7 groups of boxes with the diameter of 2 multiplied by 2m are prepared under normal temperature and normal pressure, 1kg of household garbage is respectively placed in the boxes, three groups of holes with the diameter of 10cm are reserved above the boxes, after the boxes are placed for 24 hours, 5kg of diluted preparation is sprayed into the boxes, the initial odor is recorded as 10, and the odor just after spraying for 1min and spraying for 24 hours is recorded as 10-0 according to the taste depth.
| Project | 1：100 | 1：200 | 1：300 | 1：400 | 1：500 | 1：800 | 1：1000 |
| Instant smell | 0 | 0 | 0 | 1 | 1 | 2 | 3 |
| 24h smell | 4 | 1 | 0 | 0 | 1 | 6 | 8 |
As can be seen from the table above, 1 is selected in use: the ratio of (200-500) is preferably 1:300.
nozzle pairs 1 using different pressures were also performed in conjunction with the above experiments: the 500-ratio preparation is sprayed, odor detection is carried out, and the best effect of the high-pressure atomized deodorant spraying device is found.
5. Example 5 toxicology tests were performed according to the methods of acute oral toxicity test of chemicals (GB/T21603-2008), acute skin irritation/corrosiveness test of chemicals (GB/T21604-2008) and acute inhalation toxicity test of chemicals (GB/T21605-2008). The test results are as follows:
the result is detection by the Anhui province disease prevention control center. The formulation prepared in example 5 is non-toxic, non-irritating, and harmless to humans.
As can be seen from the above table, example 3 is an optimal ratio, and when the concentration of the remover is 15%, the overall effect of the spraying effect is best, and as can be seen from examples 1 to 3, the amount of the bactericide is gradually reduced with the increase of the complex enzyme, the polyethylene glycol, the carboxymethyl cellulose fiber and the polydiallyl dimethyl ammonium chloride, and still an excellent antibacterial effect can be achieved, but the bactericide cannot be completely replaced or replaced by other bactericidal components through comparative examples 4 and 5; as can be seen from the comparison of the concentrations in the embodiment 3, the optimal concentration range is 10% -20%, the higher concentration can cause yellowing of clothes, and the lower concentration can cause poor sterilization effect; as can be seen from comparison of the embodiment 3 and the comparative examples 4 and 5, the product has long-acting antibacterial effect and long antibacterial effect time.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (6)
1. A natural plant type deodorizing and insect-repellent preparation is characterized in that sweet osmanthus oil, peppermint essential oil, apple essence, citronella extract, camphor tree extract and lemon extract are taken as main raw materials, the main raw materials are mixed, emulsified by 2-5 parts of emulsifying agent, and then are sequentially coated by chitosan and cyclodextrin, and then aqueous solution prepared by adding xanthium extract, aqueous rose syrup, compound emulsifying agent and auxiliary stabilizing agent is added;
the raw material comprises, by weight, 20-50 parts of osmanthus fragrans oil, 10-50 parts of peppermint essential oil, 20-50 parts of apple essence, 30-50 parts of citronella extract, 20-50 parts of camphor tree extract, 40-50 parts of lemon extract, 20-30 parts of cocklebur extract, 20-30 parts of aqueous rose syrup, 1-10 parts of compound emulsifier and 2-10 parts of stabilizing aid;
the compound emulsifier comprises an emulsifier, sodium dodecyl benzene sulfonate and glycerin, and the mass ratio of the emulsifier to the sodium dodecyl benzene sulfonate is 4:1:2;
the emulsifier is one of Tween-40 or Tween-80.
2. A natural plant based deodorizing and insect repellent formulation according to claim 1, wherein said emulsifier is tween-40.
3. A natural plant based deodorizing insect repellent according to claim 1, wherein said stabilizing aid comprises a combination of xanthan gum and silicone-based antifoaming agents.
4. A method for preparing the natural plant type deodorizing and insect repellent preparation according to any one of claims 1 to 3, comprising the steps of:
(1) Mixing flos Osmanthi Fragrantis oil, oleum Menthae Dementholatum, apple essence, citronella extract, camphor tree extract and lemon extract, adding emulsifier, adding appropriate amount of water, and stirring to obtain milkshake-shaped mixture A;
(2) Adding chitosan into acetic acid solution, slowly adding milkshake-shaped mixture A into the acetic acid solution after dissolving chitosan, stirring by ultrasonic, and obtaining powder A after centrifugal washing and freeze drying;
(3) Adding the powder A into water to form a solution, completely dissolving cyclodextrin into hot water, slowly dripping the powder A solution into the cyclodextrin solution, heating and stirring, cooling to room temperature, and performing centrifugal washing and freeze drying to obtain powder B;
(4) Mixing the aqueous rose syrup, the xanthium extract, the compound emulsifier and the stabilizing aid under stirring to form a mixture B, adding the powder B into a solvent, mixing with the mixture B, uniformly stirring, and then placing into a high-shear mixing emulsifying machine for high-speed emulsification to obtain the pure natural plant type deodorizing and insect repellent preparation.
5. The method for preparing a natural plant type deodorizing and insect repellent agent according to claim 4, wherein the chitosan in the step (2) has a degree of deacetylation of 95% or more and a viscosity of 100-200mpa.s.
6. The method for preparing a natural plant type deodorizing and insect repellent preparation according to claim 4, wherein the natural plant type deodorizing and insect repellent preparation is prepared by mixing the following components in a volume ratio of 1: (200-500) and pure water to obtain a deodorant for immediate use, and spraying the deodorant by a high-pressure atomized deodorant spraying device.
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