CN1444447A - Method and compositions for inhibiting human and animal scent tracking ability of mosquitoes - Google Patents
Method and compositions for inhibiting human and animal scent tracking ability of mosquitoes Download PDFInfo
- Publication number
- CN1444447A CN1444447A CN01811958.1A CN01811958A CN1444447A CN 1444447 A CN1444447 A CN 1444447A CN 01811958 A CN01811958 A CN 01811958A CN 1444447 A CN1444447 A CN 1444447A
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- ester
- composition
- inhibition compound
- compound
- inhibition
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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
- A01N49/00—Biocides, pest repellants or attractants, or plant growth regulators, containing compounds containing the group, wherein m+n>=1, both X together may also mean —Y— or a direct carbon-to-carbon bond, and the carbon atoms marked with an asterisk are not part of any ring system other than that which may be formed by the atoms X, the carbon atoms in square brackets being part of any acyclic or cyclic structure, or the group, wherein A means a carbon atom or Y, n>=0, and not more than one of these carbon atoms being a member of the same ring system, e.g. juvenile insect hormones or mimics 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Dentistry (AREA)
- Zoology (AREA)
- Insects & Arthropods (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
- Cosmetics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The ability of mosquitoes to locate a target by olfactory emissions of the target is inhibited by dispensing into a spatial area an inhibiting effective amount of at least one inhibiting compound selected from the group consisting of esters of 1-alkene-3-ols of formula (I) and esters of 1-alkyn-3-ols of formula (II) wherein R is an alkyl group of from 1 to 4 carbon atoms, R<1> and R<2> are each independently a saturated or unsaturated aliphatic hydrocarbon group containing from 1 to about 12 carbon atoms, and R3 or CH3.
Description
Invention field
The present invention relates to suppress mosquito is surveyed the ability that finds or follow the tracks of human body or animal body by smell method and composition.More particularly, the present invention relates in composition and device, use some compounds to suppress mosquito and survey the ability of finding the human or animal by smell.
Background of invention
Compound, composition and the preparation of protection human beings from being bitten by mosquitoes are known in the art.It can continue to exist the sufficiently long time with the repellent mosquito on human body skin after these compounds, composition and preparation generally were based on part or surface applied.Multiple auxiliary material have been added in the culicifuge to improve the retain ability of repellant on human body skin.Yet although done a lot of different trials for the repellent activity that improves known culicifuge, these trials are not generally achieved success, almost use culicifuge everyone can prove this point.
Therefore, new and more effective culicifuge is being sought in this area.Yet, seek the effort of more effective culicifuge and do not achieve success usually, only have the anti-repelling properties of limited extent because have been found that most of culicifuges, and be not effective especially usually.Therefore, need to suppress mosquito and find and bite for example more effective means of livestock of people and other target.In addition, be much can propagate carrier owing to find mosquito by the mosquito bite target to the disease of target, it is eager and urgent more that this demand becomes.Another demand is can reduce use to the disadvantageous insecticide of environment.
Summary of the invention
Present inventors have been found that why the compound, composition and the preparation that are used as culicifuge up to now lack essential effectiveness, are because mosquito can be found by the smell that target is dispersed and close target.Therefore, if mosquito enters area or space that potential target is positioned at, this sense of smell attracts to be enough to overcome any repellent activity of the repellant compound, composition or the preparation that are applied on the target.Contain compound compositions and preparation so the invention provides, described compound can be used for suppressing the method and apparatus of the sense of smell target following ability of mosquito to the inhibition compound of effective dose when being distributed in the three dimensions.
According to the present invention, at least aly be selected from following inhibition compound and be assigned in the area of space by what will suppress effective dose, can suppress the ability that mosquito is found target: the lower alkyl esters of the alkene of 1-shown in the following formula-3-alcohol
Lower alkyl esters with the alkynes of 1-shown in the following formula-3-alcohol
Wherein R is the alkyl with 1-4 carbon atom, R
1And R
2Be respectively the saturated or unsaturated aliphatic alkyl that contains about 12 carbon atoms of 1-independently, and R
3Be hydrogen or CH
3, be preferably CH
3Preferably, R is H or CH
3, R
1And R
2Be C
6H
11, and R
3Be CH
3, i.e. the formic acid esters of linalool and acetic acid esters.
Can will suppress compound by any proper method that is enough to provide the inhibition compound that suppresses effective dose is assigned in the three dimensions.Such distribution method comprises that for example will suppress compound evaporation from any suitable composition or preparation, atomizing and ion disperses.Such composition or preparation generally comprise the underlying carrier that contains at least a inhibition compound.
Detailed Description Of The Invention
Present inventors have been found that, be assigned in the three-dimensional atmosphere if effective dose at least a is selected from following inhibition compound, can suppress then that smell that mosquito sends by target finds and near the target ability of human body or livestock for example: the lower alkyl esters of the alkene of 1-shown in the following formula-3-alcohol
Lower alkyl esters with the alkynes of 1-shown in the following formula-3-alcohol
Wherein R is the alkyl with 1-4 carbon atom, R
1And R
2Be respectively the saturated or unsaturated aliphatic alkyl that contains about 12 carbon atoms of 1-independently, and R
3Be hydrogen or CH
3
The lower alkyl esters of the lower alkyl esters of 1-alkene-3-alcohol shown in all suitable following formulas and 1-alkynes-3-alcohol all can be used for the inventive method, composition and device.Preferred suitable inhibition compound is the formic acid esters and the acetic acid esters of nerolidol, 3-methyl isophthalic acid-octene-3-alcohol, linalool and dehydrogenation linalool.According to specific mosquito kind, the ester of the ester of 1-alkene-3-alcohol or 1-alkynes-3-alcohol is the inhibitor that is better than other kind component, and is preferred for mosquito.Suppressing compound can use separately, and perhaps the mixture as two or more such compounds uses.
Can use the inhibition compound of any suitable inhibition effective dose.Handle the square feet in the ground or the basic surface zone in space based on desire, such inhibition effective dose can be about 0.000005g/hr/ft
2-Yue 0.004g/hr/ft
2, preferred about 0.00015g/hr/ft
2-Yue 0.0002g/hr/ft
2, especially about 0.00016g/hr/ft
2
Being used for inhibition compound of the present invention can use with the inhibition compound of pure basically form, thereby but perhaps is enough to the natural essential oil component use of practical inhibition compound and dispensing inhibiting effective amounts inhibition compound as containing finite concentration.Essential oil generally contain concentration be at least about 2%, preferably at least about 5%, particularly at least about the inhibition compound of 50% weight.For example, the inhibition compound can be used as synthetic pure basically compound or for example basil, ho wood wet goods component provide as essential oil.
The present invention suppresses compound and can use in any preparation of the compound that is suitable for dispensing inhibiting effective amounts.Compound generally uses in comprising the preparation that contains the suitable carrier that suppresses compound.For example, can be at the Wax dielectric of inhibition compound steam that discharges aequum in room temperature according to design of formulated for example available from Koster Keunen, Watertown, preparation suppresses compound in the medium of Connecticut or the carrier.Can be Insect Repellent Wax Bar No.9 available from an example of such Wax dielectric of Koster Keunen, it is the wax mixture with following composition: carbon chain lengths be C
16-C
22Fatty acid, carbon chain lengths is C
16-C
22Fatty alcohol, carbon chain lengths is C
19-C
47Alkane, carbon chain lengths is C
23-C
69Branched-chain hydrocarbons, beeswax and other native paraffin be candelila wax and Brazil wax for example.It is about 20%-60% that the common preparation cost invention of this wax mixture suppresses compound concentrations, and the congealing point of preparation can be about 75 ℃-Yue 45 ℃.Perhaps, can in the porous media of the inhibition compound that is suitable for discharging effective dose or carrier, preparation suppress compound.An example of such porous media or carrier is the polyester film material with micropore, wherein micropore will be wrapped with suppressing the saturated one-tenth piece fiber of compound, fiber discharges the inhibition compound gradually, suppresses compound like this and sees through microporous barrier and be discharged in the external environment.Be called World of Fragrancew
TMSuch microporous barrier of cups can be available from Waterbury Companies, Inc., Waterbury, Connecticut.
Preparation can be placed any appropriate be used for spectrum vector or the device.For example, preparation can be placed the suitable device that is equipped with fan, like this can be for example driving by fan will suppress compound and from contain the porous media that suppresses compound or wax shape medium, be evaporated.The example of the such device that is equipped with fan that can mention has at WaterburyCompanies, the US patent 5 of Inc, 370, disclosed device and in the US patent 5 of BiosensoryInsect Control Corporation in 829,799, disclosed device in 436, these two pieces of documents are all introduced the present invention with for referencial use.
Another suitable method of dispensing inhibiting compound be with compound as the positively charged droplet of suitable size from suitable atomizing or ion dispersal device for example available from Brandenburg, Ltd., Brierery Hill, the Ionic Win of United Kingdom
TMAtomizing and/or ion disperse out in the device.
The present invention suppresses compound can resist mosquito effectively, for example aedes taeniorhynchus (Aedestaeniorhyncus), Culex nigripalpus, Aedes aegypti (Aedes aegypti), aedes albopictus (Aedes albopictus), northern house (Culex pipiens), culex pipiens fatigans (Culex quinquefasciatus), anopheles costalis (Anopheles gambiae) etc.
Illustrate application of the present invention by following non-limiting example.
Embodiment 1
Use people .J.Med.Entomol.35 (3) such as Posey, three cage twoport olfactometers of 330-334 (1998) sets forth in detail and description are measured the reaction of female Aedes aegypti (Aedes aegypti) adult of the laboratory rearing of 6-8 days sizes.This system allows mosquito select between two kinds of different stimulated.Olfactometer is a clear acrylic construction, comprise 3 test cabinets that layering row puts, on each chamber, have paired removable sleeve pipe and mosquito trap, and be equipped with the external air supply system of filtration that can carry out accurate temperature (+/-0.5 ℃) and relative moisture (+/-2%) control.For this test, only use a chamber a time.If necessary, before entering selected port, mosquito trap and olfactometer, by a series of char filters of flowing through, heating and wettingly regulate external air then.
Began to test last hour, the female Aedes aegypti of about 93 the 6-8 days sizes of about 70-is drawn in the olfactometer chamber, allow them begin to test one hour new environment of preadaptation.Test compounds is placed the port against the wind of trap and olfactometer chamber.For the cage position, use the design of completely random.
Property testing is at war with.In the competitiveness test, will suppress compound and place a port (processing port), second port (inspection port) has same apparatus, but without any the Chemical Inhibition compound.In these tests, 250 μ L are suppressed compound to be placed and cleans and in the vacuum drying oven sterilization, only wear the gloves operation any pollution is reduced to minimum glass Pyrex Petri dish (60 * 15mm), and place a port (processing port) with another Petri dish that contains the synthetic people's attractant of 500 μ L Clara Sludge (CS)-a kind of afterwards.Another port (inspection port) comprises be untreated Petri dish and another Petri dish that contains 500 μ L CS that does not suppress compound.In these tests, working concentration is the test compounds of 250 μ L.Each test was carried out 3 minutes; Counting traps the number of luring the mosquito in the port and being retained in the mosquito in the cage with bait.Data are represented with percentage of luring the whole mosquitoes in each port and the percentage that is retained in the mosquito (promptly not luring the mosquito in the port) in the cage.
The results are shown in the following table 1 of these competitive tests.
Table 1: competitive test
| Test compounds and amount | The mosquito that % enters | % is retained in the mosquito in the cage | |
| Handle port (inhibitor and people's odorant agent port) | Contrast port (people's odorant agent port) | ||
| Any ester in the formic acid, 250 μ L | ????24.29 | ????41.43 | ????34.28 |
| Any ester in the formic acid, 250 μ L | ????36.90 | ????53.58 | ????9.52 |
| Linalyl acetate, 250 μ L | ????17.10 | ????77.63 | ????5.27 |
| Linalyl acetate, 250 μ L | ????32.10 | ????38.27 | ????29.63 |
| Acetate 1-octene-3-base ester, 250 μ L | ????16.22 | ????50.00 | ????33.78 |
The present invention by above describes, and it will be appreciated by those skilled in the art that can be under the situation that does not deviate from essence of the present invention the present invention to be done some changes.Therefore, the scope of the invention is not limited to described particular.
Claims (26)
1. suppress mosquito and survey the method that target in the three-dimensional environment space with ground or basic surface zone is come the ability of perception target by sense of smell, described method comprises in three-dimensional environment space dispensing inhibiting effective amounts at least aly is selected from following inhibition compound: the alkene of 1-shown in the following formula-3-alcohol ester
With the alkynes of 1-shown in the following formula-3-alcohol ester
Wherein R is the alkyl with 1-4 carbon atom, R
1And R
2Be respectively the saturated or unsaturated aliphatic alkyl that contains about 12 carbon atoms of 1-independently, and R
3Be hydrogen or CH
3
2. the process of claim 1 wherein that suppressing effective dose is about 0.000005g/hr/ft based on the square feet in the ground of environment space or basic surface zone
2-Yue 0.004g/hr/ft
2
3. the process of claim 1 wherein that suppressing effective dose is about 0.00015g/hr/ft based on the square feet in the ground of environment space or basic surface zone
2-Yue 0.0002g/hr/ft
2
4. the process of claim 1 wherein R
3Be CH
3
5. the process of claim 1 wherein that described at least a inhibition compound is selected from the formic acid esters and the acetic acid esters of nerolidol, 3-methyl isophthalic acid-octene-3-alcohol, linalool and dehydrogenation linalool.
6. the process of claim 1 wherein described at least a inhibition compound comprise be selected from linalyl acetate and the formic acid any ester and acetate 1-octene-3-base ester in any ester.
7. the process of claim 1 wherein that described at least a inhibition compound comprises linalyl acetate.
8. the process of claim 1 wherein that the distribution of described at least a inhibition compound comprises by being selected from the distribution of following method: the volatilization from the preparation that comprises the carrier that contains at least a inhibition compound of at least a inhibition compound, evaporation, atomizing and ion are disperseed out.
9. the method for claim 8, described distribution comprise by fans drive at least a inhibition compound are evaporated from carrier wherein is the preparation of porous media.
10. the method for claim 8, described distribution comprise by fans drive at least a inhibition compound are evaporated from carrier wherein is the preparation of wax solution.
11. the method for claim 6, wherein by evaporate go out the preparation of fans drive with lining any ester porous media of any ester in containing distribute in ester where.
12. the method for claim 6, wherein by evaporate go out the preparation of fans drive with lining any ester wax solution of any ester in containing distribute in ester where.
13. the method for claim 6, any ester in wherein distributing by which ester of lining is atomized away from the preparation of carrier and which ester of lining.
14. the method for claim 6 is wherein by ester where in which ester of lining is disperseed away to distribute from the preparation intermediate ion of which ester of carrier and lining.
15. the target that the inhibition mosquito is surveyed in the three-dimensional environment space with ground or basic surface zone by sense of smell is come the composition of the ability of perception target, described composition comprises at least a following inhibition compound that is selected from: the ester of the alkene of 1-shown in the following formula except that linalyl acetate-3-alcohol
Ester with the alkynes of 1-shown in the following formula-3-alcohol
Wherein R is the alkyl with 1-4 carbon atom, R
1And R
2Be respectively the saturated or unsaturated aliphatic alkyl that contains about 12 carbon atoms of 1-independently, and R
3Be hydrogen or CH
3,
Described composition is in the base formulation of carrier and at least a inhibition compound, and described preparation makes and can at least a inhibition compound enough be dispensed from preparation by at least a following method: evaporation, volatilization, atomizing or ion disperse to provide the described at least a inhibition compound that suppresses effective dose in the atmosphere in three-dimensional environment space to give.
16. the composition of claim 15, wherein said composition are enough to provide at least a inhibition compound of following inhibition effective dose: about 0.000005g/hr/ft
2-Yue 0.004g/hr/ft
2The ground in described three-dimensional environment space or basic surface zone.
17. the composition of claim 15, wherein said composition are enough to provide at least a inhibition compound of following inhibition effective dose: about 0.00015g/hr/ft
2-Yue 0.0002g/hr/ft
2The ground in described three-dimensional environment space or basic surface zone.
18. the composition of claim 15, wherein said at least a inhibition compound is selected from the ester of nerolidol, 3-methyl isophthalic acid-octene-3-alcohol, linalool and dehydrogenation linalool.
19. the composition of claim 15, wherein said at least a inhibition compound comprise be selected from the formic acid any ester and acetate 1-octene-3-base ester in any ester.
20. the composition of claim 15, wherein said composition can distribute at least a inhibition compound by being selected from following method: volatilization, evaporation, atomizing and ion distribution of at least one suppress compound.
21. the composition of claim 15, wherein said composition can distribute by at least a inhibition compound of the evaporation of fans drive, and carrier is a porous media.
22. the composition of claim 15, wherein said composition can distribute by at least a inhibition compound of the evaporation of fans drive, and carrier is a wax solution.
23. the composition of claim 19, wherein said in any ester can distribute by any ester in the evaporation of fans drive, and carrier is the porous media of which ester in containing.
24. the composition of claim 19, wherein said in any ester can distribute by any ester in the evaporation of fans drive, and carrier is the wax solution of which ester in containing.
25. the composition of claim 19, wherein said in any ester can distribute by any ester in the atomizing.
26. the composition of claim 19, wherein said in any ester can disperse by ion in any ester distribute.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60487500A | 2000-06-28 | 2000-06-28 | |
| US09/604,875 | 2000-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1444447A true CN1444447A (en) | 2003-09-24 |
Family
ID=24421406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01811958.1A Pending CN1444447A (en) | 2000-06-28 | 2001-06-26 | Method and compositions for inhibiting human and animal scent tracking ability of mosquitoes |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2004501168A (en) |
| CN (1) | CN1444447A (en) |
| AU (1) | AU7145401A (en) |
| WO (1) | WO2002000021A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104427866A (en) * | 2013-06-12 | 2015-03-18 | 慕克萨实验室私人有限公司 | Mosquito killing device |
| CN106172393A (en) * | 2016-07-31 | 2016-12-07 | 黄劼 | Mosquito-repellent water containing 1 octene 3 alcohol |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6660775B2 (en) * | 2002-02-19 | 2003-12-09 | Biosensory, Inc. | Method and compositions for inhibiting the scent tracking ability of biting midges |
| PL2775839T3 (en) | 2011-10-17 | 2024-04-08 | The Regents Of The University Of California | Methods for assessing repellant quality of organic materials and methods and compositions for repelling arthropods |
| EP2971060A4 (en) | 2013-03-14 | 2017-01-18 | The Regents of The University of California | Methods for identifying arthropod repellents based on modulation of ionotropic receptors, and compounds and compositions identified thereby |
| BR112015023640A2 (en) | 2013-03-15 | 2017-07-18 | Univ California | methods for identifying attractive repellents of arthropods and compounds and compositions identified by such methods |
| EP3270692A4 (en) | 2015-03-18 | 2019-02-13 | The Regents of the University of California | Anthropod repellent chemicals |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX9303636A (en) * | 1992-08-07 | 1994-07-29 | Us Agriculture | COMPOSITION AND METHOD TO REPELLENT ANTS. |
-
2001
- 2001-06-26 AU AU7145401A patent/AU7145401A/en not_active Withdrawn
- 2001-06-26 WO PCT/US2001/020254 patent/WO2002000021A2/en active Application Filing
- 2001-06-26 JP JP2002504815A patent/JP2004501168A/en active Pending
- 2001-06-26 CN CN01811958.1A patent/CN1444447A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104427866A (en) * | 2013-06-12 | 2015-03-18 | 慕克萨实验室私人有限公司 | Mosquito killing device |
| CN106172393A (en) * | 2016-07-31 | 2016-12-07 | 黄劼 | Mosquito-repellent water containing 1 octene 3 alcohol |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004501168A (en) | 2004-01-15 |
| AU7145401A (en) | 2002-01-08 |
| WO2002000021A3 (en) | 2002-06-06 |
| WO2002000021A2 (en) | 2002-01-03 |
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