CN111771914A - Wormwood mosquito-repellent incense and preparation method thereof - Google Patents
Wormwood mosquito-repellent incense and preparation method thereof Download PDFInfo
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Abstract
The invention provides a wormwood mosquito-repellent incense which is prepared from the following raw materials in parts by weight: 20-25 parts of wormwood, 5-12 parts of biomass fiber, 3-5 parts of rosin, 3-7 parts of marigold extract and 5-10 parts of deionized water. The mosquito-repellent incense is prepared by adding the biomass fiber and the rosin to the wormwood, achieves double mosquito repelling by matching with a small amount of mosquito-repellent liquid, obtains the marigold extract by adopting ultrasonic-assisted extraction and supercritical fluid extraction, effectively extracts a large amount of aromatic components for repelling mosquitoes, is compounded with the wormwood, and has a synergistic effect.
Description
Technical Field
The invention relates to the technical field of mosquito repellent products, and particularly relates to wormwood mosquito-repellent incense and a preparation method thereof.
Background
Since the mountain pine produced in Japanese of 20 century is made into the spiral disc type mosquito-repellent incense by utilizing Archimedes spiral and the yin-yang eight diagrams principle of China, the mosquito-repellent incense is subjected to the development stages of smoky mosquito-repellent incense, micro-smoky mosquito-repellent incense, smokeless mosquito-repellent incense and the like, and occupies the leading position in the domestic sanitary insecticide market by virtue of low price. At present, the traditional disc mosquito-repellent incense is formed by taking carbon powder (charcoal powder or bamboo charcoal powder), wood powder (fir powder, wood powder and the like) as combustible substances, binding materials (elm bark powder, bakelite powder, alpha-starch, methyl cellulose and the like), a mildew inhibitor, a combustion improver, a flame retardant and the like through homogenizing, stirring and blending, extruding, stamping and forming, drying and spraying a chemical. The carbon powder has fine granularity (about 100 meshes), is easy to fly and adsorb on the surface of an object, and causes great influence on the body and the environment of production personnel. China is lack of wood resources, and burning of charcoal aggravates wood consumption and damages surrounding ecological environment. Therefore, a raw material capable of replacing or partially replacing carbon powder and a production method of the mosquito-repellent incense are needed.
Chinese patent application specification CN101133733A discloses a paper mosquito coil and a preparation method thereof, relating to a mosquito coil prepared by waste paper fiber and a preparation method thereof. The smoke amount of the product produced by the patent is between that of the traditional micro-smoke black mosquito-repellent incense and that of the smokeless black mosquito-repellent incense, the product does not extinguish flame and has better folding endurance, but the usage amount of the mosquito-repellent agent cannot be reduced. Generally, when the absolute adding amount of active ingredients in the paper mosquito-repellent incense and the traditional mosquito-repellent incense coil (black mosquito-repellent incense) is equal, the same biological efficacy can be obtained. Because the paper mosquito-repellent incense blank is lighter about 24 g/double coil and the weight of the black mosquito-repellent incense blank is about 33-36 g/double coil, in order to ensure the drug effect, meet the use requirements of consumers, obtain the core competitiveness and meet the national standard, the paper mosquito-repellent incense production unit needs to increase the content of 50 percent on the basis of the existing black mosquito-repellent incense pesticide registration certificate for registration and record (the registration of the mosquito-repellent incense is calculated by the percentage of the effective components). The method invisibly increases the preparation time and cost of enterprise production, and hinders the product popularization.
Disclosure of Invention
The invention aims to provide the wormwood mosquito-repellent incense and the preparation method thereof, and the prepared wormwood mosquito-repellent incense has an excellent mosquito-repellent effect and is harmless to human health.
The technical scheme of the invention is realized as follows:
the invention provides a wormwood mosquito-repellent incense which is prepared from the following raw materials in parts by weight: 20-25 parts of wormwood, 5-12 parts of biomass fiber, 3-5 parts of rosin, 3-7 parts of marigold extract and 5-10 parts of deionized water.
As a further improvement of the invention, the marigold extract is prepared by the following method:
s1, raw material preparation: cleaning flos Tagetis Erectae, drying, and pulverizing to obtain flos Tagetis Erectae powder;
s2, ultrasonic-assisted water extraction: adding flos Tagetis Erectae powder into water, stirring, heating to 35-50 deg.C, ultrasonic extracting for 0.5-1 hr, filtering, and retaining residue;
s3, supercritical fluid extraction: extracting the filter residue obtained in the step S2 by using supercritical fluid to obtain extract liquor;
s4, preparing the marigold extract: combining the extracts obtained in step S2 and step S3, and mixing well to obtain marigold extract.
As a further improvement of the invention, the mass-volume ratio of the marigold powder to water is 1: (5-10) g/mL.
As a further improvement of the invention, the ultrasonic power is 1000-1200W.
As a further improvement of the present invention, the supercritical fluid extraction conditions are: extraction pressure: 22-27 MPa; the extraction temperature is as follows: 35-40 ℃; CO 22Flow rate: 7-12L/h; extraction time: 1-2 h; entrainer: glycerol and waterThe volume ratio is 1: 1.
As a further improvement of the invention, the biomass fiber comprises bamboo pulp fiber, PTT fiber and PHA fiber.
As a further improvement of the invention, the mass ratio of the bamboo pulp fiber, the PTT fiber and the PHA fiber is 1:1: 2.
The invention further protects the preparation method of the wormwood mosquito-repellent incense, which comprises the following steps:
(1) cleaning folium Artemisiae Argyi, drying, pulverizing, and sieving to obtain folium Artemisiae Argyi powder;
(2) uniformly mixing the biomass fibers, pulverizing, and sieving to obtain biomass fiber powder;
(3) adding flos Tagetis Erectae extract into deionized water, stirring, and homogenizing for 1-2min to obtain mosquito repellent liquid;
(4) and (3) uniformly mixing the biomass fiber and the wormwood powder, uniformly spraying the mosquito repellent liquid obtained in the step (3), adding rosin, and preparing the wormwood mosquito-repellent incense by squeezing, dehydrating, punch forming, drying at low temperature to remove water and packaging.
As a further improvement of the invention, the homogenizing rotation speed is 10000-15000r/min, the squeezing dehydration pressure is 25MPa, the low-temperature drying temperature is 70 ℃, and the water content after drying is less than or equal to 5 wt%.
As a further improvement of the invention, the particle size of the powder after sieving in the step (1) and the step (2) is 100-150 meshes.
The invention has the following beneficial effects: the mosquito-repellent incense is prepared by adding the biomass fiber and the rosin to the wormwood, and achieves the effects of double mosquito repelling and reduction of the using amounts of the carbon powder and the mosquito-repellent agent by matching with a small amount of mosquito-repellent liquid. The consumption of the carbon powder is reduced (compared with the traditional black mosquito-repellent incense), and the plant fiber with wide use source can indirectly reduce the damage to the environment and meet the requirements of the national sustainable development strategy;
according to the invention, the marigold extract is obtained by ultrasonic-assisted extraction and supercritical fluid extraction, a large amount of mosquito-repellent aromatic components are effectively extracted, and the marigold extract is compounded with wormwood and has a synergistic effect;
the invention adopts the mugwort dry leaves or mugwort dry leaf fragments which are available in the market, so that the raw materials are sufficient, the large-scale production can be met, and the storage and the transportation are convenient. The natural mosquito repellent active ingredients volatilize when the mosquito repellent incense is ignited, have no toxic or side effect on a human body, have a certain mosquito repellent effect, and can better maintain the household environment of consumers under the action of the mosquito repellent agent. The biomass fiber plays a role of a skeleton in the product, so that the carbon powder can be uniformly distributed, and the product has the characteristics of high strength, good folding endurance and stable combustion. The rosin is added to be used as an adhesive to improve the closure strength of the product.
Volatile components generated in the burning process of the wormwood fiber include 1, 8-cineole, blunol, borneol, alpha-terpineol, carveol, trans-caryophyllene, germacrene, caryophyllene oxide, steviol, hexadecanoic acid and phytol. Wherein, the contents of the 1, 8-cineole, the blumea alcohol, the borneol and the alpha-terpineol are all larger, and the contents can provide good bacteriostatic effect (especially against bacteria such as escherichia coli, staphylococcus aureus and the like). Therefore, the purposes of beautifying the household environment and endowing the wormwood with freshness can be achieved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The raw materials comprise the following components in parts by weight: 20 parts of wormwood, 5 parts of biomass fiber, 3 parts of rosin, 3 parts of marigold extract and 5 parts of deionized water; the biomass fibers comprise bamboo pulp fibers, PTT fibers and PHA fibers, and the mass ratio of the bamboo pulp fibers to the PTT fibers to the PHA fibers is 1:1: 2.
The marigold extract is prepared by the following method:
s1, raw material preparation: cleaning flos Tagetis Erectae, drying, and pulverizing to obtain flos Tagetis Erectae powder;
s2, ultrasonic-assisted water extraction: adding 10g of marigold powder into 50mL of water, stirring uniformly, heating to 35 ℃, performing ultrasonic wave (power is 1000W) assisted extraction for 0.5h, filtering, and reserving filter residues for use;
s3, supercritical fluid extraction: and (4) performing supercritical fluid extraction on the filter residue obtained in the step (S2) to obtain an extract, wherein the supercritical fluid extraction conditions are as follows: extraction pressure: 22 MPa; the extraction temperature is as follows: 35 ℃; CO 22Flow rate: 7L/h; extraction time: 1 h; entrainer: glycerol and water in a volume ratio of 1: 1;
s4, preparing the marigold extract: combining the extracts obtained in step S2 and step S3, and mixing well to obtain marigold extract.
The preparation method comprises the following steps:
(1) cleaning folium Artemisiae Argyi, drying, pulverizing, sieving, and sieving to obtain folium Artemisiae Argyi powder with particle size of 100-150 meshes;
(2) uniformly mixing the biomass fibers, pulverizing, sieving, wherein the particle size of the sieved powder is 100-150 meshes to obtain biomass fiber powder;
(3) adding marigold extract into deionized water, stirring, homogenizing at 10000r/min for 1min to obtain mosquito repellent liquid;
(4) uniformly mixing the biomass fiber and the wormwood powder, uniformly spraying the mosquito repellent liquid obtained in the step (3), adding rosin, performing squeezing dehydration (pressure is 25MPa), punch forming, drying at low temperature to remove water (temperature is 70 ℃, and water content is less than or equal to 5 wt% after drying), and packaging to obtain the wormwood mosquito-repellent incense.
Example 2
The raw materials comprise the following components in parts by weight: 25 parts of wormwood, 12 parts of biomass fiber, 5 parts of rosin, 7 parts of marigold extract and 10 parts of deionized water; the biomass fibers comprise bamboo pulp fibers, PTT fibers and PHA fibers, and the mass ratio of the bamboo pulp fibers to the PTT fibers to the PHA fibers is 1:1: 2.
The marigold extract is prepared by the following method:
s1, raw material preparation: cleaning flos Tagetis Erectae, drying, and pulverizing to obtain flos Tagetis Erectae powder;
s2, ultrasonic-assisted water extraction: adding 10g of marigold powder into 100mL of water, stirring uniformly, heating to 50 ℃, performing ultrasonic wave (power is 1200W) assisted extraction for 1h, filtering, and reserving filter residues for use;
s3, supercritical fluid extraction: and (4) performing supercritical fluid extraction on the filter residue obtained in the step (S2) to obtain an extract, wherein the supercritical fluid extraction conditions are as follows: extraction pressure: 27 MPa; the extraction temperature is as follows: 40 ℃; CO 22Flow rate: 12L/h; extraction time: 2 h; entrainer: glycerol and water in a volume ratio of 1: 1;
s4, preparing the marigold extract: combining the extracts obtained in step S2 and step S3, and mixing well to obtain marigold extract.
The preparation method comprises the following steps:
(1) cleaning folium Artemisiae Argyi, drying, pulverizing, sieving, and sieving to obtain folium Artemisiae Argyi powder with particle size of 100-150 meshes;
(2) uniformly mixing the biomass fibers, pulverizing, sieving, wherein the particle size of the sieved powder is 100-150 meshes to obtain biomass fiber powder;
(3) adding marigold extract into deionized water, stirring, and homogenizing at 15000r/min for 2min to obtain mosquito repellent liquid;
(4) uniformly mixing the biomass fiber and the wormwood powder, uniformly spraying the mosquito repellent liquid obtained in the step (3), adding rosin, performing squeezing dehydration (pressure is 25MPa), punch forming, drying at low temperature to remove water (temperature is 70 ℃, and water content is less than or equal to 5 wt% after drying), and packaging to obtain the wormwood mosquito-repellent incense.
Example 3
The raw materials comprise the following components in parts by weight: 22 parts of wormwood, 7 parts of biomass fiber, 4 parts of rosin, 5 parts of marigold extract and 7 parts of deionized water; the biomass fibers comprise bamboo pulp fibers, PTT fibers and PHA fibers, and the mass ratio of the bamboo pulp fibers to the PTT fibers to the PHA fibers is 1:1: 2.
The marigold extract is prepared by the following method:
s1, raw material preparation: cleaning flos Tagetis Erectae, drying, and pulverizing to obtain flos Tagetis Erectae powder;
s2, ultrasonic-assisted water extraction: adding 10g of marigold powder into 70mL of water, stirring uniformly, heating to 42 ℃, performing ultrasonic wave (power is 1100W) assisted extraction for 0.75h, filtering, and reserving filter residues for use;
s3, supercritical fluid extraction: and (4) performing supercritical fluid extraction on the filter residue obtained in the step (S2) to obtain an extract, wherein the supercritical fluid extraction conditions are as follows: extraction pressure: 25 MPa; the extraction temperature is as follows: 37 ℃; CO 22Flow rate: 10L/h; extraction time: 1-2 h; entrainer: glycerol and water in a volume ratio of 1: 1;
s4, preparing the marigold extract: combining the extracts obtained in step S2 and step S3, and mixing well to obtain marigold extract.
The preparation method comprises the following steps:
(1) cleaning folium Artemisiae Argyi, drying, pulverizing, sieving, and sieving to obtain folium Artemisiae Argyi powder with particle size of 100-150 meshes;
(2) uniformly mixing the biomass fibers, pulverizing, sieving, wherein the particle size of the sieved powder is 100-150 meshes to obtain biomass fiber powder;
(3) adding marigold extract into deionized water, stirring, homogenizing at 12500r/min for 1.5min to obtain mosquito repellent liquid;
(4) uniformly mixing the biomass fiber and the wormwood powder, uniformly spraying the mosquito repellent liquid obtained in the step (3), adding rosin, performing squeezing dehydration (pressure is 25MPa), punch forming, drying at low temperature to remove water (temperature is 70 ℃, and water content is less than or equal to 5 wt% after drying), and packaging to obtain the wormwood mosquito-repellent incense.
Test example 1
The results of comparing the mosquito-repellent incense made by the invention with paper mosquito-repellent incense and traditional black mosquito-repellent incense are shown in table 1.
TABLE 1
| Group of | Thickness of blank, mm | Weight of stock, g | Ignition time, h | The mosquito-repellent rate% |
| Traditional mosquito-repellent incense | 4 | 35.6 | 9 | 65 |
| Paper mosquito-repellent incense | 2.3 | 23.3 | 8.8 | 75 |
| Example 1 | 2.6 | 25.0 | 9.5 | 90 |
| Example 2 | 2.7 | 25.2 | 9.5 | 93 |
| Example 3 | 2.7 | 25.2 | 9.7 | 95 |
As can be seen from table 1: by the implementation of the method, the double-disk mass of the incense blank can be controlled to be 25 +/-0.2 g/double disk, and the ignition time of a single disk can reach 9.5 +/-0.2 hr. Reaches the relevant national control standard (the ignition time is more than 7hr) and meets the use requirements of consumers. And the mosquito repellent effect of the embodiment of the invention is obviously better than that of the traditional mosquito repellent incense and paper mosquito repellent incense.
Compared with the prior art, the mosquito-repellent incense is prepared by adding the biomass fiber and the rosin into the wormwood, and achieves the effects of double mosquito repelling and reduction of the using amounts of the carbon powder and the mosquito-repellent agent by matching with a small amount of mosquito-repellent liquid. The consumption of the carbon powder is reduced (compared with the traditional black mosquito-repellent incense), and the plant fiber with wide use source can indirectly reduce the damage to the environment and meet the requirements of the national sustainable development strategy;
according to the invention, the marigold extract is obtained by ultrasonic-assisted extraction and supercritical fluid extraction, a large amount of mosquito-repellent aromatic components are effectively extracted, and the marigold extract is compounded with wormwood and has a synergistic effect;
the invention adopts the mugwort dry leaves or mugwort dry leaf fragments which are available in the market, so that the raw materials are sufficient, the large-scale production can be met, and the storage and the transportation are convenient. The natural mosquito repellent active ingredients volatilize when the mosquito repellent incense is ignited, have no toxic or side effect on a human body, have a certain mosquito repellent effect, and can better maintain the household environment of consumers under the action of the mosquito repellent agent. The biomass fiber plays a role of a skeleton in the product, so that the carbon powder can be uniformly distributed, and the product has the characteristics of high strength, good folding endurance and stable combustion. The rosin is added to be used as an adhesive to improve the closure strength of the product.
Volatile components generated in the burning process of the wormwood fiber include 1, 8-cineole, blunol, borneol, alpha-terpineol, carveol, trans-caryophyllene, germacrene, caryophyllene oxide, steviol, hexadecanoic acid and phytol. Wherein, the contents of the 1, 8-cineole, the blumea alcohol, the borneol and the alpha-terpineol are all larger, and the contents can provide good bacteriostatic effect (especially against bacteria such as escherichia coli, staphylococcus aureus and the like). Therefore, the purposes of beautifying the household environment and endowing the wormwood with freshness can be achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The wormwood mosquito-repellent incense is characterized by being prepared from the following raw materials in parts by weight: 20-25 parts of wormwood, 5-12 parts of biomass fiber, 3-5 parts of rosin, 3-7 parts of marigold extract and 5-10 parts of deionized water.
2. The wormwood mosquito incense coil according to claim 1, wherein the marigold extract is prepared by the following method:
s1, raw material preparation: cleaning flos Tagetis Erectae, drying, and pulverizing to obtain flos Tagetis Erectae powder;
s2, ultrasonic-assisted water extraction: adding flos Tagetis Erectae powder into water, stirring, heating to 35-50 deg.C, ultrasonic extracting for 0.5-1 hr, filtering, and retaining residue;
s3, supercritical fluid extraction: extracting the filter residue obtained in the step S2 by using supercritical fluid to obtain extract liquor;
s4, preparing the marigold extract: combining the extracts obtained in step S2 and step S3, and mixing well to obtain marigold extract.
3. The wormwood mosquito-repellent incense according to claim 2, wherein the mass-volume ratio of marigold powder to water is 1: (5-10) g/mL.
4. The wormwood mosquito coil incense according to claim 2, wherein the ultrasonic power is 1000-1200W.
5. The wormwood mosquito incense coil of claim 2, wherein the supercritical fluid extraction conditions are as follows: extraction pressure: 22-27 MPa; the extraction temperature is as follows: 35-40 ℃; CO 22Flow rate: 7-12L/h; extraction time: 1-2 h; entrainer: glycerin and water in a volume ratio of 1: 1.
6. The incense coil of claim 1, wherein the biomass fibers comprise bamboo pulp fibers, PTT fibers, PHA fibers.
7. The wormwood mosquito coil incense according to claim 1, wherein the mass ratio of the bamboo pulp fibers, the PTT fibers and the PHA fibers is 1:1: 2.
8. A method for preparing wormwood mosquito coil according to any one of claims 1 to 7, comprising the following steps:
(1) cleaning folium Artemisiae Argyi, drying, pulverizing, and sieving to obtain folium Artemisiae Argyi powder;
(2) uniformly mixing the biomass fibers, pulverizing, and sieving to obtain biomass fiber powder;
(3) adding flos Tagetis Erectae extract into deionized water, stirring, and homogenizing for 1-2min to obtain mosquito repellent liquid;
(4) and (3) uniformly mixing the biomass fiber and the wormwood powder, uniformly spraying the mosquito repellent liquid obtained in the step (3), adding rosin, and preparing the wormwood mosquito-repellent incense by squeezing, dehydrating, punch forming, drying at low temperature to remove water and packaging.
9. The method as claimed in claim 8, wherein the homogenizing rotation speed is 10000-15000r/min, the press dehydration pressure is 25MPa, the low-temperature drying temperature is 70 ℃, and the water content after drying is less than or equal to 5 wt%.
10. The method as claimed in claim 8, wherein the sieved powder of step (1) and step (2) has a particle size of 100-150 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112314634A (en) * | 2020-11-09 | 2021-02-05 | 湖南省九喜日化有限公司 | Mosquito-repellent incense for infants and preparation method thereof |
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