CN107897217A - A kind of natural volatile mosquito driving and killing agent of plant source property and preparation method thereof - Google Patents
A kind of natural volatile mosquito driving and killing agent of plant source property and preparation method thereof Download PDFInfo
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- 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
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
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- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/02—Acyclic compounds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/06—Oxygen or sulfur directly attached to a cycloaliphatic ring system
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N65/08—Magnoliopsida [dicotyledons]
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Abstract
The present invention provides a kind of natural volatile mosquito driving and killing agent of plant source property, plants essential oil is extracted from Lingnan area natural plants, obtains property volatile mosquito driving and killing agent in plant source by way of compounding according to following components:Plants essential oil 10% ~ 30%, ethanol 5% ~ 20%, 1,2 pentanediol 0.1 ~ 2%, menthol 0.1% ~ 2%, vitamin B10.1% ~ 2%, deionized water 44% ~ 80%.Based on plant using Lingnan area generally existing, its volatile component is extracted to prepare plant source mosquito driving and killing agent, also added menthol and vitamin B1Meet the requirement of sense and mosquito driving and killing synergistic effect of crowd; plants essential oil and ethanol all have the characteristics such as certain anti-corrosion, antibacterial; it need not add to human body toxic side effect preservative, antiseptic etc.; it is not only the reasonable development and utilization to natural resources; and the effective improvement and environmental protection to external species provide guide; economic benefit and social benefit, and preparation method simple possible can also be produced for the development of Lingnan area, suitable for extensive, substantial amounts of production.
Description
Technical field
The present invention relates to the preparation method of mosquito driving and killing agent, more particularly to using Chinese Lingnan area natural plants as raw material
The preparation method of mosquito driving and killing agent.
Background technology
The people of live and work usually need to use mosquito driving and killing agent in the environment such as forest, grassland and wilderness.Because
Mosquito sucks people's blood, is the primary vehicle of the diseases such as dengue fever, filariasis, yellow fever, malaria.So safe and efficient nothing
The free of contamination mosquito driving and killing agent of poison is exactly desirable.Most common wide spectrum repellant is Metadelphene now(DEET)And drive
Mosquito ester(BAAPE)If long-term or a large amount of uses can cause human body neurological symptom occur, and soil and water resources can be caused
Pollution.At the same time, to walk quickly and keep away product expensive for the mosquito of the component containing above two on the market, walk quickly and keep away it is ineffective, effectively
Time is shorter, and they belong to pesticide chemical reagent, not only has certain harm to the health of human body, but also environment also has
Certain pollution.
At present, plant source mosquito driving and killing agent enjoys high praise.Before its application can trace back to more than 2,000 years,《Zhou Li》Record:" cut
Family name's palm attacks it to attack to entangle, it is smoked with thick grass except moth-eaten thing ".Since middle and later periods the 1970s, plant source mosquito repellant
It is subject to scholars to pay much attention to.The principle of plant-originated repellent is:Some plants can pass through blade, flower etc. its growth is interim
Organ giving forth fragrance or particular matter carry out expelling mosquito, these plant extracts have mosquito repellent or toxic action.And plant
Thing repellant is nontoxic to safety of human and livestock, is not likely to produce the resistance to the action of a drug, enriches regional development in plant resources and plants source property mosquito driving and killing agent
It is with a wide range of applications.
The active ingredient of plant driving and killing agent is plants essential oil, it is included by the chemistry point such as terpenes, aldehydes, esters, alcohols
Son composition.Most it is widely known by the people, plants essential oil can sterilize, anti-corrosion, and Egyptian once uses it to preserve mummy, and ancients also once used
It is castrated in stacte.Regrettably, folk prescription derived essential oil is single, inefficiency, it is difficult to reaches ideal effect, and be easy to cause
Waste.But compound essential oil is by mixing 2 kinds or two or more essential oil to reach certain effects, using mutually auxiliary between essential oil
Coordinate, have the function that to mutually promote according to certain allotment ratio, heighten the effect of a treatment.
All plant materials are gathered from Lingnan area, and raw material is in itself to mosquito there are certain repelling and killing efficacy, and plant
Raw material is readily obtained.China possesses abundant plant natural resources, and industry development can be promoted by developing its new application value.Such as
The fragrant citrus pericarp of Rutaceae, pomelo peel recycle it, are conducive to energy conservation and environmental protection as scrap feed material.Wedelia chinensis is then
Alien species, due to its newborn environment lack of checks on power factor, consequence is to rapidly become dominant population, and with local original species
Limited food and space are competed, seriously causes local species to reduce even endangered.To keep bio-diversity, state's daily life of a family
Spend huge sums and be managed, instruction plant resource is rationally utilized, can not only turn waste into wealth, produce economic benefit, also
Economic loss can be reduced.
The content of the invention
The object of the invention provides a kind of natural volatile mosquito driving and killing agent of plant source property and preparation method thereof, for above-mentioned
The plant for the Lingnan area mentioned carries out the extraction of essential oil, and the analysis of component, prepares a kind of natural, ring few to human injury
Protect, and the mosquito driving and killing agent that cost is low.
To achieve the above object, the technical solution taken is as follows:
A kind of natural volatile mosquito driving and killing agent of plant source property, extracts plants essential oil, wherein institute from Lingnan area natural plants
The Lingnan area natural plants of selection include the wedelia chinensis, beggar-ticks, Eclipta prostrata of composite family, the lantana of Verenaceae, Myrtaceae
Eucalyptus leaves, orange, the shaddock of Rutaceae, the one or more of the purple perilla of white dead nettle subfamily, then by way of compounding
The volatile mosquito driving and killing agent of plant source property is obtained, it includes following components and weight percentage:Plants essential oil 10% ~ 30%, ethanol
5% ~ 20%, 1,2- pentanediol 0.1 ~ 2%, menthol 0.1% ~ 2%, vitamin B10.1% ~ 2%, deionized water 44% ~ 80%.
The percentage composition of plants essential oil and ethanol is respectively 10% ~ 30% and 5% ~ 20% in above-mentioned formula, the two is respectively provided with one
Fixed Anticorrosive Character, therefore any preservative need not be added in being formulated, while the two also has preferable antibacterial, biocidal efficacies, energy
Complementary characteristic is formed with the effect of the mosquito of plants essential oil.In addition, also contain 0.1 ~ 2% 1,2- penta 2 in driving and killing agent
Alcohol, it is capable of the effect of hydrotropy essential oil and skin permeation tissue to a certain extent, so that reach the moistening for keeping skin histology,
Extend the effect of the timeliness of mosquito driving and killing agent.
In above-mentioned formula, when 0.1% ~ 2% vitamin B1When being mixed together with plants essential oil, the two can reach
Synergistic effect.Vitamin B1Compounded with plants essential oil, dimension life can be extended by anti-oxidant, the antibacterial action of essential oil
Plain B1Stability, so as to ensure the storage time and efficacy time of mosquito driving and killing agent, the two collaboration uses, and can not only ensure
The quality of plant source property mosquito driving and killing agent, additionally it is possible to improve its mosquito driving and killing effect.
Plant source volatile components are mainly plants essential oil, its molecular weight is relatively small, are the secondary metabolisms of natural plants
Product, is mainly made of terpenes, aromatic series, aliphatic and some nitrogenous, sulphur compounds, and the essential oil for extracting gained is a kind of
Mixture, has special volatility and aromatic odor.So that it has higher bioactivity to many mosquitoes, mosquito is not easy
Resistance is produced, while the characteristic of plant source make it that it is small to people and other mammalian toxicities, advantages of environment protection.Pass through one
Fixed proportioning compounding can obtain a kind of efficient, non-harmful plant source property mosquito driving and killing agent.
Menthol is used as excitants in medicine, acts on skin or mucous membrane, has refrigerant itching-relieving action, as mosquito driving and killing
One of component of agent, can not only enrich the component and form of driving and killing agent, additionally it is possible to improve the requirement of sense of mosquito driving and killing agent.
Further, the plants essential oil includes wedelia chinensis herb essential oil, beggar-ticks herb essential oil, Eclipta prostrata herb essence
Oil, lantana herb essential oil, eucalyptus leaf essential oil, orange peel essential oil are a kind of or more in shaddock peel essential oil or purple perilla leaf essential oil
Kind.It is reported that existence growth of many plants essential oils all to mosquito produces different influences.As lantana essential oil has insect
Poisoning, Antifeedant Effects, food refusal of the South America wedelia chinensis essential oil to insect, repellent rate effect etc..Mosquito is prepared by plants essential oil
The application of driving and killing agent is less, particularly less to wild, alien species plant utilization, and the present invention is with alien species such as wedelia chinensis
For material base, the plants essential oil prepared by Simultaneous distillation-extraction and steam distillation technology is main component, has economy concurrently
Benefit and ecological benefits prepare plant source mosquito driving and killing agent.
The above-mentioned plants essential oil that extracted from natural plants comprises the following steps:
(1)Herb or stem, the leaf or flower of suitable fresh natural plants are weighed, according to solid-to-liquid ratio 1:2 ~ 6 add it is suitable go from
Sub- water, carrying out the processing such as steam distillation or Simultaneous distillation-extraction method by heating mantle heats, 1.5 h are derived above slightly carries
Thing;
(2)Crude extract is crossed into micro separating funnel and carries out layering initial gross separation, emulsion such as occurs, adds a certain amount of saturation
NaCl solution is demulsified, and obtains coarse-fine oil;
(3)Directly by anhydrous magnesium sulfate or anhydrous sodium sulfate drying and it is concentrated under reduced pressure to coarse-fine oil, obtains the coarse-fine of drying
Oil, passes through microfiltration membranes(Aperture≤0.50 micron)Coarse-fine oil is filtered, is clarified, dry plants essential oil.
Extraction for plants essential oil, the plant selected in the invention is fresh plant, while selected
Plant is this season plant, simple and easy to get, without the loss of drying process essential oil, therefore can also improve carrying for plants essential oil
Take rate.It is 1 that phenomenon in the characteristic and extraction process of plant, which selects suitable solid-liquid ratio,:2 ~ 6, the plant extracted every time
Measure the amount in 300 ~ 400 more than g, ensureing plants essential oil.
Further, step(1)With(2)The extracting method is SDE method or steam distillation pair
Oil mixing with water steam employs directly condensation and liquid separation and is separated, and by drier convection drying and is concentrated under reduced pressure to give institute
The plants essential oil needed.
Further, step(3)Used filter method is filtering with microporous membrane, and filter sizes≤0.50 micron is not
It can only ensure to filter out desiccant particle, additionally it is possible to the impurity in effective control essential oil, such as dust, solid insoluble, carefully
Bacterium etc..
A kind of preparation method of the natural plant volatile mosquito driving and killing agent of source property, comprises the following steps:
(1)A certain amount of menthol is stirred at normal temperatures with ethanol, organic phase is obtained after being completely dissolved;
(2)By quantitative 1,2- pentanediols, vitamin B1Add in quantitative deionized water, dissolve by heating, obtain water phase;
(3)By step(1)And step(2)The organic phase of gained is mixed with water conjunction, obtains mixed liquor stirring 5-10 min, obtains
One auxiliary material solution;
(4)Quantitative plants essential oil is added in step(3)The auxiliary material solution of gained, stirs 10-15 min, obtains at ambient temperature
To the natural volatile mosquito driving and killing agent of plant source property.
Beneficial effects of the present invention:Compared with prior art, the present invention is thing using the plant of Lingnan area generally existing
Matter basis, extracts its volatile component to prepare plant source mosquito driving and killing agent, while also added menthol and vitamin B1It is full
Requirement of sense and the mosquito driving and killing synergistic effect of sufficient crowd.In addition, plants essential oil and ethanol all have certain anti-corrosion, antibacterial etc.
Characteristic, it is not necessary to which addition is to human body toxic side effect preservative, antiseptic etc..The present invention is not only rationally opening to natural resources
Hair and utilization, and the effective of external species is administered, guide can not only be provided to environmental protection, additionally it is possible to be the south of the Five Ridges
The development in area produces economic benefit and social benefit.Preparation method simple possible set forth in the present invention, suitable for it is extensive,
Substantial amounts of production.
Specific embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, the present invention will be done further retouch in detail below
State:
Embodiment 1
A kind of preparation of wedelia chinensis effumability mosquito driving and killing agent, including following components and percentage composition:
Wedelia chinensis essential oil 10%, ethanol 20%, 1,2- pentanediols 1%, menthol 0.5%, vitamin B10.5%, deionized water 68%.
The extracting method of wherein wedelia chinensis essential oil mainly includes the following steps that:
(1)The wedelia chinensis cauline leaf of proper amount of fresh is weighed first and spends 400 g, is put into the distilling flask of 2000 mL, is added after shredding
Enter the distilled water of 1200 mL, 2 h are directly heated to reflux by steam distillation;
(2)By miniature separatory funnel step(1)The oil-water mixture layering of gained carries out preliminary separation, and passes through drying
Agent convection drying and it is concentrated under reduced pressure to give required dry wedelia chinensis essential oil;
(3)By crossing microfiltration membranes(Aperture≤0.50 micron)To step(2)The coarse-fine oil of gained is filtered, and is clarified, done
Dry wedelia chinensis essential oil, is sealed, the preparation for plant source volatile mosquito driving and killing agent.
The preparation method of wedelia chinensis mosquito driving and killing agent mainly includes the following steps that:
(1)By a certain amount of menthol, at normal temperatures, stirring and dissolving support mixing organic phase, ensures to be completely dissolved ethanol;
(2)By quantitative 1,2- pentanediols, vitamin B1Add in quantitative deionized water, dissolve by heating, obtain water phase;
(3)By step(1)And step(2)The organic phase of gained is mixed with water conjunction, obtains mixed liquor stirring 5-10 min, obtains
One auxiliary material solution;
(4)Quantitative wedelia chinensis essential oil is added in step(3)The mixed solution of gained, stirs 10-15 min at ambient temperature,
Obtain target plant source wedelia chinensis volatility mosquito driving and killing agent.
Wherein, each component and percentage composition are as follows:Wedelia chinensis essential oil 10%, ethanol 20%, 1,2- pentanediols 1%, menthol
0.5%, vitamin B10.5%, deionized water 68%.
Embodiment 2
A kind of preparation of lantana effumability mosquito driving and killing agent, including following components and percentage composition:
Lantana essential oil 12%, ethanol 18%, 1,2- pentanediols 1.5%, menthol 0.5%, vitamin B10.6%, deionized water
67.4%。
The extracting method of wherein lantana essential oil mainly includes the following steps that:
(1)400 g of lantana cauline leaf of proper amount of fresh is weighed first, is put into after shredding in the distilling flask of 2000 mL, is added
The distilled water of 1200 mL, is directly heated to reflux 2 h by steam distillation;
(2)By miniature separatory funnel step(1)The oil-water mixture layering of gained carries out preliminary separation, and passes through drying
Agent convection drying and it is concentrated under reduced pressure to give required dry lantana essential oil;
(3)By crossing microfiltration membranes(Aperture≤0.50 micron)To step(2)The coarse-fine oil of gained is filtered, and is clarified, done
Dry lantana essential oil, is sealed, the preparation for plant source volatile mosquito driving and killing agent.
The preparation method of lantana mosquito driving and killing agent mainly includes the following steps that:
(1)By a certain amount of menthol, at normal temperatures, stirring and dissolving support mixing organic phase, ensures to be completely dissolved ethanol;
(2)By quantitative 1,2- pentanediols, vitamin B1Add in quantitative deionized water, dissolve by heating, obtain water phase;
(3)By step(1)And step(2)The organic phase of gained is mixed with water conjunction, obtains mixed liquor stirring 5-10 min, obtains
One auxiliary material solution;
(4)Quantitative lantana essential oil is added in step(3)The mixed solution of gained, stirs 10-15 min at ambient temperature,
Obtain target plant source volatility mosquito driving and killing agent.
Wherein, each component and percentage composition are as follows:Lantana essential oil 12%, ethanol 18%, 1,2- pentanediols 1.5%, peppermint
Brain 0.5%, vitamin B10.6%, deionized water 67.4%.
Embodiment 3
A kind of preparation of beggar-ticks effumability mosquito driving and killing agent, including following components and percentage composition:
Beggar-ticks essential oil 8%, ethanol 20%, 1,2- pentanediols 1.2%, menthol 0.6%, vitamin B10.5%, deionized water
69.7%。
The extracting method of wherein beggar-ticks essential oil mainly includes the following steps that:
(1)The beggar-ticks cauline leaf for weighing proper amount of fresh first spends totally 400 g, is put into the distilling flask of 2000 mL, adds after shredding
Enter the distilled water of 1200 mL, 2 h are directly heated to reflux by steam distillation;
(2)By miniature separatory funnel step(1)The oil-water mixture layering of gained carries out preliminary separation, and passes through drying
Agent convection drying and it is concentrated under reduced pressure to give required dry beggar-ticks essential oil;
(3)By crossing microfiltration membranes(Aperture≤0.50 micron)To step(2)The coarse-fine oil of gained is filtered, and is clarified, done
Dry beggar-ticks essential oil, is sealed, the preparation for plant source volatile mosquito driving and killing agent.
The preparation method of beggar-ticks mosquito driving and killing agent mainly includes the following steps that:
(1)By a certain amount of menthol, at normal temperatures, stirring and dissolving support mixing organic phase, ensures to be completely dissolved ethanol;
(2)By quantitative 1,2- pentanediols, vitamin B1Add in quantitative deionized water, dissolve by heating, obtain water phase;
(3)By step(1)And step(2)The organic phase of gained is mixed with water conjunction, obtains mixed liquor stirring 5-10 min, obtains
One auxiliary material solution;
(4)Quantitative beggar-ticks essential oil is added in step(3)The mixed solution of gained, stirs 10-15 min at ambient temperature,
Obtain target plant source volatility mosquito driving and killing agent.
Wherein, each component and percentage composition are as follows:Beggar-ticks essential oil 8%, ethanol 20%, 1,2- pentanediols 1.2%, menthol
0.6%, vitamin B10.5%, deionized water 69.7%.
Embodiment 4
A kind of preparation of purple perilla effumability mosquito driving and killing agent, including following components and percentage composition:
Fructus Perillae quintessence oil 7%, ethanol 16%, 1,2- pentanediols 2%, menthol 1%, vitamin B10.8%, deionized water 73.2%.
The extracting method of wherein Fructus Perillae quintessence oil mainly includes the following steps that:
(1)400 g of perilla stem and leaves of proper amount of fresh is weighed first, is put into after shredding in the distilling flask of 2000 mL, adds 1200
The distilled water of mL, is directly heated to reflux 2 h by steam distillation;
(2)By miniature separatory funnel step(1)The oil-water mixture layering of gained carries out preliminary separation, and passes through drying
Agent convection drying and it is concentrated under reduced pressure to give required dry Fructus Perillae quintessence oil;
(3)By crossing microfiltration membranes(Aperture≤0.50 micron)To step(2)The coarse-fine oil of gained is filtered, and is clarified, done
Dry Fructus Perillae quintessence oil, is sealed, the preparation for plant source volatile mosquito driving and killing agent.
The preparation method of purple perilla mosquito driving and killing agent mainly includes the following steps that:
(1)By a certain amount of menthol, at normal temperatures, stirring and dissolving support mixing organic phase, ensures to be completely dissolved ethanol;
(2)By quantitative 1,2- pentanediols, vitamin B1Add in quantitative deionized water, dissolve by heating, obtain water phase;
(3)By step(1)And step(2)The organic phase of gained is mixed with water conjunction, obtains mixed liquor stirring 5-10 min, obtains
One auxiliary material solution;
(4)Quantitative Fructus Perillae quintessence oil is added in step(3)The mixed solution of gained, stirs 10-15 min, obtains at ambient temperature
To target plant source volatility mosquito driving and killing agent.
Wherein, each component and percentage composition are as follows:Fructus Perillae quintessence oil 7%, ethanol 16%, 1,2- pentanediols 2%, menthol 1%,
Vitamin B10.8%, deionized water 73.2%.
Embodiment 5
A kind of preparation of pomelo peel effumability mosquito driving and killing agent, including following components and percentage composition:
Shaddock peel essential oil 11%, ethanol 19%, 1,2- pentanediols 1.8%, menthol 1.2%, vitamin B10.5%, deionized water
66.5%。
The extracting method of wherein shaddock peel essential oil mainly includes the following steps that:
(1)400 g of pomelo peel of proper amount of fresh is weighed first, is put into after shredding in the distilling flask of 2000 mL, adds 1200
The distilled water of mL, is directly heated to reflux 2 h by steam distillation;
(2)By miniature separatory funnel step(1)The oil-water mixture layering of gained carries out preliminary separation, and passes through drying
Agent convection drying and it is concentrated under reduced pressure to give required dry shaddock peel essential oil;
(3)By crossing microfiltration membranes(Aperture≤0.50 micron)To step(2)The coarse-fine oil of gained is filtered, and is clarified, done
Dry shaddock peel essential oil, is sealed, the preparation for plant source volatile mosquito driving and killing agent.
The preparation method of pomelo peel mosquito driving and killing agent mainly includes the following steps that:
(1)By a certain amount of menthol, at normal temperatures, stirring and dissolving support mixing organic phase, ensures to be completely dissolved ethanol;
(2)By quantitative 1,2- pentanediols, vitamin B1Add in quantitative deionized water, dissolve by heating, obtain water phase;
(3)By step(1)And step(2)The organic phase of gained is mixed with water conjunction, obtains mixed liquor stirring 5-10 min, obtains
One auxiliary material solution;
(4)Quantitative shaddock peel essential oil is added in step(3)The mixed solution of gained, stirs 10-15 min at ambient temperature,
Obtain target plant source volatility mosquito driving and killing agent.
Wherein, each component and percentage composition are as follows:Shaddock peel essential oil 11%, ethanol 19%, 1,2- pentanediols 1.8%, peppermint
Brain 1.2%, vitamin B10.5%, deionized water 66.5%.
Embodiment 6
A kind of preparation of orange peel effumability mosquito driving and killing agent, including following components and percentage composition:
Orange peel essential oil 8%, ethanol 18%, 1,2- pentanediols 1.8%, menthol 1.2%, vitamin B10.5%, deionized water
70.5%。
The extracting method of wherein shaddock peel essential oil mainly includes the following steps that:
(1)400 g of orange peel of proper amount of fresh is weighed first, is put into after shredding in the distilling flask of 2000 mL, adds 1200
The distilled water of mL, is directly heated to reflux 2 h by steam distillation;
(2)By miniature separatory funnel step(1)The oil-water mixture layering of gained carries out preliminary separation, and passes through drying
Agent convection drying and it is concentrated under reduced pressure to give required dry orange peel essential oil;
(3)By crossing microfiltration membranes(Aperture≤0.50 micron)To step(2)The coarse-fine oil of gained is filtered, and is clarified, done
Dry shaddock peel essential oil, is sealed, the preparation for plant source volatile mosquito driving and killing agent.
The preparation method of orange peel mosquito driving and killing agent mainly includes the following steps that:
(1)By a certain amount of menthol, at normal temperatures, stirring and dissolving support mixing organic phase, ensures to be completely dissolved ethanol;
(2)By quantitative 1,2- pentanediols, vitamin B1Add in quantitative deionized water, dissolve by heating, obtain water phase;
(3)By step(1)And step(2)The organic phase of gained is mixed with water conjunction, obtains mixed liquor stirring 5-10 min, obtains
One auxiliary material solution;
(4)Quantitative orange peel essential oil is added in step(3)The mixed solution of gained, stirs 10-15 min at ambient temperature,
Obtain target plant source volatility mosquito driving and killing agent.
Wherein, each component and percentage composition are as follows:Orange peel essential oil 8%, ethanol 18%, 1,2- pentanediols 1.8%, menthol
1.2%, vitamin B10.5%, deionized water 70.5%.
Embodiment 7
A kind of preparation of eucalyptus leaves and Eclipta prostrata effumability mosquito driving and killing agent, including following components and percentage composition:
Eucalyptus leaf essential oil 5%, Eclipta prostrata essential oil 5%, ethanol 18%, 1,2- pentanediols 1.8%, menthol 1.2%, vitamin B10.5%,
Deionized water 68.5%.
The wherein extracting method of eucalyptus leaves and Eclipta prostrata essential oil mainly includes the following steps that:
(1)The eucalyptus leaves and each 400 g of Eclipta prostrata of proper amount of fresh are weighed first, are put into the distilling flask of 2000 mL, are added after shredding
Enter the distilled water of 1200 mL, 2 h are directly heated to reflux by steam distillation;
(2)By miniature separatory funnel step(1)The oil-water mixture layering of gained carries out preliminary separation, and passes through drying
Agent convection drying and it is concentrated under reduced pressure to give required dry eucalyptus leaves and Eclipta prostrata essential oil;
(3)By crossing microfiltration membranes(Aperture≤0.50 micron)To step(2)The coarse-fine oil of gained is filtered, and is clarified, done
Dry eucalyptus leaves and Eclipta prostrata essential oil, is sealed, the preparation for plant source volatile mosquito driving and killing agent.
The preparation method of eucalyptus leaves and Eclipta prostrata mosquito driving and killing agent mainly includes the following steps that:
(1)By a certain amount of menthol, at normal temperatures, stirring and dissolving support mixing organic phase, ensures to be completely dissolved ethanol;
(2)By quantitative 1,2- pentanediols, vitamin B1Add in quantitative deionized water, dissolve by heating, obtain water phase;
(3)By step(1)And step(2)The organic phase of gained is mixed with water conjunction, obtains mixed liquor stirring 5-10 min, obtains
One auxiliary material solution;
(4)Quantitative eucalyptus leaves and Eclipta prostrata essential oil are added in step(3)The mixed solution of gained, stirs 10- at ambient temperature
15 min, obtain target plant source volatility mosquito driving and killing agent.
Wherein, each component and percentage composition are as follows:Eucalyptus leaf essential oil 5%, Eclipta prostrata essential oil 5%, ethanol 18%, 1,2- pentanediols
1.8%, menthol 1.2%, vitamin B10.5%, deionized water 68.5%.
Embodiment 8
Gas chromatography-mass spectrography is analyzed, and the measure of component has been carried out to the essential oil of extraction.
GC conditions:Chromatographic column is DB-5MS(30 m×0.25 mm×0.25 μm)Capillary column;Carrier gas is helium
Gas, flow rate of carrier gas are 1 mL/min(Constant current mode);Split ratio is 10:1, extension rate 1:1000(Diluting solvent for use is
Chromatographic pure dichloromethane);Sample size is 0.5 μ L;Injector temperature is 250 DEG C;Temperature programming condition is as follows:Initial temperature 40
DEG C, 100 DEG C are risen to 3 DEG C/min, then 180 DEG C are risen to 5 DEG C/min, 300 DEG C finally are risen to 20 DEG C/min, and protect
1 min is stayed, total run time is 41 min.
Mass Spectrometry Conditions:Ion gun:EI sources;70 eV of electron energy, 230 DEG C of ion source temperature;150 DEG C of level Four bar temperature;
Scanning of the mass spectrum mode is full scan, scanning rangem/zFor 33 ~ 450.Mass spectrometric data carries out collection of illustrative plates with NIST2008 standard spectrums storehouse
Retrieval.
The Some essential oils component of measure is as follows:
Beggar-ticks:Volatile oil component mainly has fatty alkane, fatty acid, acetylenic, terpenes, a small amount of aldehyde, ketone, nitrile and furans
Volatile ingredient.
Purple perilla:Volatile oil component mainly has perillaldehyde, limonene, cloves alkene, dehydrogenation perfume (or spice) flower bud ketone, cumal, pi-allyl, first
Phenol, santal mushroom alcohol, fragrant flower bud ketone, leaf-alcohol, piperitenone, carvol, farnesene.
Eclipta prostrata:Volatile oil component mainly have palmitic acid, linoleic acid, α-terthienyl, erucyl amide, triethyl citrate,
Tributyl citrate, 4,8,12,16- tetramethyl heptadecane -4- lactones, n-heptadecane, n-pentadecane, n-octadecane, positive two
Ten alkane, 8- heptadecanes alkene, α-farnesene, α-cloth lamb's-quarters alkene, α-humulene, squalene, tetrachloro-ethylene, β-send alkene, acetaldehyde, furfural,
Different vegetable alcohol, phytol, dibenzothiophene sulphone etc..
Lantana:Volatile oil component mainly has α-phellandrene, cinene, alpha-terpineol, Geraniol, linalool, folium eucalypti
Element, fourth noon oil phenol, limonene, furfural, Chinese celery ketone, Eucarvone, β-fourth noon alkene, cymol, α, nopinene, Isosorbide-5-Nitrae-camphor tree
Alkene, laurene, sabinene and α-flaw (king bar) alkene etc..
Embodiment 9
The test of repelling effect:
Repelling effect test is carried out according to national standard GB/T17322.10-1998, using aedes albopictus as experimental animal, artificial experiment pair
As being test specimen with mosquito repellent fabric.Experimental animal and subjects are intended to test by attack, i.e., 300 test worms are necessary
It is the female adult mosquito of 4-5 days after sprouting wings.People's the back of the hand is exposed to the skin of the cm of 4 cm × 4, remainder is tight when attack is tested
Masking, hand, which is stretched into mosquito cage, places 2 min, and more than 30 persons of test worm for coming to stop falling are qualified for attack;During repellency test with
One hand as blank control, with attack test, and then stretches into be placed with hand and attacks by mosquito repellent cloth on another gloves, exposed area
Hit 2 min in the mosquito cage of power qualification, observation, which whether there is mosquito, is come to suck blood, as long as there is 1 mosquito to come to suck blood and judge the mosquito repellent
Cloth is invalid.Experimental subjects is 4 respective independent people.
The different plant source volatile mosquito driving and killing agent mosquitoes of table 1 walk quickly and keep away effect
Mosquito driving and killing agent to be tested | Main derived essential oil | Effect |
Embodiment 1 | Wedelia chinensis essential oil | Y |
Embodiment 2 | Lantana essential oil | Y |
Embodiment 3 | Beggar-ticks essential oil | Y |
Embodiment 4 | Fructus Perillae quintessence oil | W(3) |
Embodiment 5 | Shaddock peel essential oil | W(2) |
Embodiment 6 | Orange peel essential oil | Y |
Embodiment 7 | Eucalyptus leaves and Eclipta prostrata essential oil | Y |
Positive controls | Metadelphene | Y |
Blank group | —— | W(> 30) |
Note:" Y " is effective, comes to bite without mosquito in 2 min;" W " is invalid, has mosquito to come to bite in 2 min.
From table 1 it follows that the plant source volatile mosquito driving and killing agent effect of the present invention is good, activity is high, since it is
Plant origin, therefore toxicity is smaller, environmentally friendly while digested plant residue can also be converted into organic fertilizer, can not only
The quantity of enough effective control alien species plants, may also reach up the comprehensive utilization purpose of resource, be that one kind is efficient, nuisanceless
Plant source volatile mosquito driving and killing agent.
Claims (7)
1. a kind of natural volatile mosquito driving and killing agent of plant source property, it is characterised in that extract plant from Lingnan area natural plants
Essential oil, and property volatile mosquito driving and killing agent in plant source is obtained by way of compounding according to following components;The weight of component and component
Percentage is:Plants essential oil 10% ~ 30%, ethanol 5% ~ 20%, 1,2- pentanediol 0.1 ~ 2%, menthol 0.1% ~ 2%, vitamin
B10.1% ~ 2%, deionized water 44% ~ 80%.
2. the natural volatile mosquito driving and killing agent of plant source property according to claim 1, it is characterised in that natural plants include chrysanthemum
The wedelia chinensis of section, beggar-ticks, Eclipta prostrata, the lantana of Verenaceae, the eucalyptus leaves of Myrtaceae, orange, the shaddock of Rutaceae are wild
The purple perilla of sesame subfamily.
3. the natural volatile mosquito driving and killing agent of plant source property according to claim 1 or claim 2, it is characterised in that from natural plants
Extraction plants essential oil processing step be:
(1)Herb or stem, the leaf or flower of suitable fresh natural plants are weighed, according to solid-to-liquid ratio 1:2 ~ 6 add it is suitable go from
Sub- water, carries out steam distillation by heating mantle heats or Simultaneous distillation-extraction method obtains crude extract;
(2)Crude extract is crossed into micro separating funnel and carries out layering initial gross separation, emulsion such as occurs, adds a certain amount of saturation
NaCl solution is demulsified, and obtains coarse-fine oil;
(3)Directly by anhydrous magnesium sulfate or anhydrous sodium sulfate drying and it is concentrated under reduced pressure to coarse-fine oil, obtains the coarse-fine of drying
Oil, filters coarse-fine oil by microfiltration membranes, is clarified, dry plants essential oil.
4. the natural volatile mosquito driving and killing agent of plant source property according to claim 3, it is characterised in that step(2)In separation
Replace with distilling and extracting device or steam distillation oil mixing with water steam is employed directly condensation and liquid separation separate.
5. the natural volatile mosquito driving and killing agent of plant source property according to claim 3, it is characterised in that step(3)In drying
To obtain required plants essential oil by drier convection drying.
6. the natural volatile mosquito driving and killing agent of plant source property according to claim 3, it is characterised in that step(3)The micro-filtration
Filter sizes≤0.50 micron of film.
7. the preparation method of the natural plant volatile mosquito driving and killing agent of source property, comprises the following steps described in a kind of claim 1:
(1)A certain amount of menthol is stirred at normal temperatures with ethanol, organic phase is obtained after being completely dissolved;
(2)By quantitative 1,2- pentanediols, vitamin B1Add in quantitative deionized water, dissolve by heating, obtain water phase;
(3)By step(1)And step(2)The organic phase of gained is mixed with water conjunction, obtains mixed liquor stirring 5-10 min, obtains
One auxiliary material solution;
(4)Quantitative plants essential oil is added in step(3)The auxiliary material solution of gained, stirs 10-15 min, obtains at ambient temperature
The volatile mosquito driving and killing agent of source property is planted to natural.
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Cited By (2)
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TWI792314B (en) * | 2021-05-17 | 2023-02-11 | 大葉大學 | Method to identify natural essential oils with lure mosquitoes effect or repel mosquitoes effect to prevent mosquito breeding |
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