CN102599176B - Barbadosnut phorbol ester water emulsion insecticide and preparation method thereof - Google Patents
Barbadosnut phorbol ester water emulsion insecticide and preparation method thereof Download PDFInfo
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- CN102599176B CN102599176B CN201210037786.5A CN201210037786A CN102599176B CN 102599176 B CN102599176 B CN 102599176B CN 201210037786 A CN201210037786 A CN 201210037786A CN 102599176 B CN102599176 B CN 102599176B
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Abstract
The invention discloses a barbadosnut phorbol ester water emulsion insecticide. The barbadosnut phorbol ester water emulsion insecticide comprises the following components by weight: 1-20 percent of barbadosnut phorbol ester, 5-20 percent of a solvent, 3-20 percent of an emulsifier, 5-20 percent of a cosolvent, 2-5 percent of an antifreeze, 2-15 percent of a stabilizer, and the balance of water. The invention further discloses a preparation method of the barbadosnut phorbol ester water emulsion insecticide. Due to the fact that effective component of the product provided by the invention is phorbol ester extracted from barbadosnut seed oil and obtained as one of the side products generated producing a biodiesel, not only the barbadosnut resource is used comprehensively and the gap of using phorbol ester as the environment-friendly botanic pesticides is filled, but also the source of raw materials is wide, the cost is low, and the insecticide is easy to degrade and has no pollution to the environment. At the same time, as phorbol ester is a secondary metabolite of the plants, the product is featured with a wide insecticidal spectrum and various use ways, and is convenient to popularize.
Description
Technical field
The invention belongs to botanical pesticide and preparing technical field thereof, be specifically related to a kind of natural insecticidal active ingredient extracting from jatropha curcas seed---Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion and preparation method thereof.
Background technology
The every annual meeting of plant pest causes huge loss to agricultural production, and at present domestic and international pesticide market still be take chemical pesticide as main.Although chemical pesticide is kill pests effectively, but the irrational long-term abuse of the shortcoming that chemical pesticide itself is intrinsic and people, not only caused serious 3R (residual, pesticide resistance and pest resurgence) problem, also destroyed the natural ecological balance, and the mankind's health has been caused to great injury, be unfavorable for developing green agriculture, be unfavorable for the outlet of agricultural product.Therefore, research and development use is pollution-free, the harmless boilogical agricultural chemicals of high-efficiency low-toxicity, and with this instead of chemical agricultural chemicals, will inevitably become the trend of novel agrochemical development.
As the botanical pesticide of biopesticide, refer to and from natural plants, screen active insecticidal components, and then develop the plant insecticide of preparation with this.Because its active insecticidal components derives from natural biology, not only easily degraded, the longevity of residure is short, insect is difficult for developing immunity to drugs, and do not pollute the environment yet, drop into natural world metabolism naturally, participate in energy and material recycle, on the very little even not impact of whole ecosystem impact, thereby there are wide market prospects.
In recent years, the research and development of plant-based pesticides have obtained greater advance, more than 10 active components of planting pesticide plant such as tobacco, trifoliate jewelvine, thick fruit chicken, crotons, melia toosendan, China tree, Celastrus angulatus are studied, and develop the 16 Plants source pesticides such as matrine, saponin nicotine, rotenone, nimbin, two plain alkali, anisoxide, Li Lu alkali, pyrethrin, and produce in batches.Though these vegetable source pesticide preparations play a significant role in implementing integrated pest management, still, its kind and type are few after all, and alternative leeway is less, and this can restrict the development of biopesticide undoubtedly.
Jatropha curcas (Jatropha curcas L.) is Euphorbiaceae (Euphorbiaceae) Jatropha plant, is distributed widely in tropical and subtropical zone area.Jatropha curcas result is many, and seed is large, and fat content can reach 40～60%, and the seed oil extracting is because can be used as the substitute of diesel oil, thereby is acknowledged as one of bio-energy crop in China of whole world most worthy.Jatropha curcas, is therefore widely cultivated because its growth does not take good farmland as economical energy resources crop.Jatropha curcas seed is used for preparing biodiesel, not only can carry out suitability for industrialized production at present, one of and the by product producing in extracting the process of jatropha curcas seed oil as biodiesel: Buddhist ripple ester, it is the Diterpene ester compound of phorbol through scientific and technical personnel, to study checking, be a kind of main toxicant, there is biologically active widely.As Wink (Phorbol esters of Jatropha curcas-Biological activities and potential applications.In Biofuel and industrial products fromJatropha curcas, ed.GM.Gubitz, M.Mittelbach, and M.Trabi, 160-166.Graz, Austria:Dbv-Verlag University of Graz.1997) research thinks that Buddhist ripple ester is to maduca sexta, cotton sandfly worm, cotten aphid, cotton leafhopper, corn weevil, the toxic action that the crop pests such as American cockroach have.Li Wenqing (extraction of Buddhist ripple ester and the insecticidal activity to cabbage caterpillar in jatropha curcas seed, application and environmental organism journal, 2011) etc. also finds that Buddhist ripple ester demonstrates stronger stomach toxicity, food refusal and growth inhibition isoreactivity for cabbage caterpillar.But regrettably, also Buddhist ripple ester is not developed and utilized so far, as the report of botanical pesticide.
Summary of the invention
Primary and foremost purpose of the present invention is for prior art situation, and comprehensive utilization Jatropha curcas Resources, for agricultural insect management need to provide a kind of new, environmental friendliness, the disinsection aqueous emulsion that the Jatropha curcas Buddhist ripple ester of take is active component.
Another object of the present invention is to provide a kind of preparation method of above-mentioned Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion.
Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion provided by the invention, is characterized in that each components based on weight percentage of this disinsection aqueous emulsion is:
Jatropha curcas Buddhist ripple ester contained in above disinsection aqueous emulsion obtains from jatropha curcas seed, and purity is 80-95%.Contained solvent is ethanol, acetone, toluene, methyl alcohol, propyl alcohol, isopropyl alcohol, ethylbenzene, at least one in monochloro-benzene, cyclohexanone and cyclohexane, preferred alcohol, methyl alcohol, acetone, toluene.Contained cosolvent is at least one in n-octyl alcohol, n-butanol, dimethyl sulfoxide (DMSO), ethylene glycol and glycerine.Contained emulsifier is at least one in alkyl benzene calcium sulfonate, Tween 80, aliphatic alcohol polyoxyvinethene phosphate, alkylphenol polyoxyethylene yuban and Triton X-100.Contained antifreezing agent comprises any in urea, ammonium sulfate, ethylene glycol, propane diols or glycerine.Contained stabilizing agent is any in pyrogallic acid, sodium hydrogen phosphate, succinic acid, ethanedioic acid, oxalic acid or borax.
The preparation method of above-mentioned Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion provided by the invention, is characterized in that this preparation method's processing step and condition are as follows:
1) 1～20% Jatropha curcas Buddhist ripple ester obtaining from jatropha curcas seed is added in 5～20% solvents, 5～20% cosolvents, at room temperature stir and make Buddhist ripple ester dissolve and obtain the oil mixture of homogeneous;
2) by 1/3～/ 1/2 of 3～20% emulsifier, 2～5% antifreezing agents, 2～15% stabilizing agents and excess water, be uniformly mixed and obtain homogeneous aqueous mixture;
3) at room temperature, by the 2nd) aqueous mixture that obtains of step adds the 1st) in the oil mixture that obtains of step, then the high-speed stirred of 10000～12000r/min 10～30 minutes, supplement remaining water simultaneously, can form the Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion of oil-in-water type.
Jatropha curcas Buddhist ripple ester described in above preparation method obtains from jatropha curcas seed, and purity is 80-95%.Described solvent is ethanol, acetone, toluene, methyl alcohol, propyl alcohol, isopropyl alcohol, ethylbenzene, at least one in monochloro-benzene, cyclohexanone and cyclohexane, preferred alcohol, methyl alcohol, acetone, toluene.Described cosolvent is at least one in n-octyl alcohol, n-butanol, dimethyl sulfoxide (DMSO), ethylene glycol and glycerine.Described emulsifier is at least one in alkyl benzene calcium sulfonate, Tween 80, aliphatic alcohol polyoxyvinethene phosphate, alkylphenol polyoxyethylene yuban and Triton X-100.Described antifreezing agent comprises any in urea, ammonium sulfate, ethylene glycol, propane diols or glycerine.Described stabilizing agent is any in pyrogallic acid, sodium hydrogen phosphate, succinic acid, ethanedioic acid, oxalic acid or borax.
In preparation Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion, also can add defoamer, thickener and PH conditioning agent etc.The preferred polyoxyethylene oxypropylene glycerine of defoamer; Thickener preferably polyethylene alcohol or xanthans; The preferred sodium hydroxide of PH conditioning agent or acetic acid.Selecting to add these auxiliary agents is to well known to a person skilled in the art general knowledge.
The present invention has the following advantages:
1, because the active ingredient of disinsection aqueous emulsion provided by the invention is to extract the Buddhist ripple ester of one of by product of producing in the process of jatropha curcas seed oil as biodiesel, thereby it is not only for plant pesticide has increased a kind of new, alternative kind, filled up the blank of Buddhist ripple ester as a kind of environmentally friendly plant pesticide medicament, and raw material sources are extensive, with low cost, both reduced discharge, fully utilized again Jatropha curcas Resources, achieved many things at one stroke.
2, because the Jatropha curcas Buddhist ripple ester containing in disinsection aqueous emulsion provided by the invention is natural insecticide active substance, the secondary metabolite that belongs to plant, thereby its not only to have insecticidal activity strong, action spectrum is wide, the mode of action is various, and easily degraded, environmentally safe, can not destroy the ecological balance yet.
3, because insecticide provided by the invention is aqueous emulsion, with water, replace part organic solvent, thereby greatly reduce preparation cost, production technology is simple simultaneously, is convenient to penetration and promotion.
Embodiment
Below by embodiment, the present invention is specifically described.Be necessary to be pointed out that at this following examples are only used to further illustrate the present invention; can not be interpreted as limiting the scope of the invention, the person skilled in the art in this field can make some nonessential improvement and adjustment to the present invention according to the invention described above content.
What deserves to be explained is, following examples Jatropha curcas Buddhist ripple ester used extracts from jatropha curcas seed, its extraction be with reference to Li Wen celebrate in 2011 in the article " extraction and the insecticidal activity to cabbage caterpillar of jatropha curcas seed kind Buddhist ripple ester " that < < application and environmental organism journal > > deliver disclosed method carry out.It is 80-95% that resulting Jatropha curcas Buddhist ripple ester detects purity by HPLC.
Embodiment 1
The Jatropha curcas Buddhist ripple ester 1.25g that is 80% by purity adds in 5g ethanol and 5g glycerine, under room temperature, stirs Buddhist ripple ester is fully dissolved, and obtains homogeneous oil mixture; 3g alkyl sulfonic acid calcium is first dissolved in 30ml water, and then adds 2g pyrogallic acid, 2g glycerine, 0.1g polyoxyethylene oxypropylene glycerine in the aqueous solution, 2g polyvinyl alcohol, 0.1g acetic acid, stirring is fully dissolved it and is obtained homogeneous aqueous mixture; At room temperature, the aqueous mixture obtaining is added in oil mixture, then, under the rotating speed of 10000r/min, stir 20 minutes, add the water of remaining 49.55ml simultaneously, can form the Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion of oil-in-water type.
Embodiment 2
The Jatropha curcas Buddhist ripple ester 1.25g that is 80% by purity adds in 5g ethanol, 10g cyclohexanone, 2g toluene, 3g dimethyl sulfoxide (DMSO), under room temperature, stirs Buddhist ripple ester is fully dissolved, and obtains homogeneous oil mixture; By 3g aliphatic alcohol polyoxyvinethene phosphate, 5g alkylphenol polyoxyethylene formaldehyde condensation products is first dissolved in 30ml water, and then add 15g sodium hydrogen phosphate, 5g urea, 0.1g polyoxyethylene oxypropylene glycerine in the aqueous solution, 2g polyvinyl alcohol, 0.2g sodium hydroxide, stirring is fully dissolved it and is obtained homogeneous aqueous mixture; At room temperature, the aqueous mixture obtaining is added in oil mixture, then, under the rotating speed of 11000r/min, stir 10 minutes, add the water of remaining 18.45ml simultaneously, can form the Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion of oil-in-water type.
Embodiment 3
The Jatropha curcas Buddhist ripple ester 5.88g that is 85% by purity adds in 5g isopropyl alcohol, 5g cyclohexanone and 10g n-octyl alcohol, under room temperature, stirs Buddhist ripple ester is fully dissolved, and obtains homogeneous oil mixture; 15g aliphatic alcohol polyoxyvinethene phosphate is first dissolved in 30ml water, and then add 10g borax, 3g ammonium sulfate, 0.2g polyoxyethylene oxypropylene glycerine in the aqueous solution, 1.5g xanthans, 0.1g sodium hydroxide, stirring is fully dissolved it and is obtained homogeneous aqueous mixture; At room temperature, the aqueous mixture obtaining is added in oil mixture, then, under the rotating speed of 10000r/min, stir 20 minutes, add remaining 4.32ml water simultaneously, can form the Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion of oil-in-water type.
Embodiment 4
The Jatropha curcas Buddhist ripple ester 11.11g that is 90% by purity adds in 5g ethanol, 5g cyclohexanone, 2g glycerine, 3g ethylene glycol, under room temperature, stirs Buddhist ripple ester is fully dissolved, and obtains homogeneous oil mixture; By 3g aliphatic alcohol polyoxyvinethene phosphate, 5g Triton X-100 is first dissolved in 30ml water, and then add 5g oxalic acid, 3g ammonium sulfate, 1g polyoxyethylene oxypropylene glycerine in the aqueous solution, 1g polyvinyl alcohol, 0.1g acetic acid, stirring is fully dissolved it and is obtained homogeneous aqueous mixture; At room temperature, the aqueous mixture obtaining is added in oil mixture, then, under the rotating speed of 12000r/min, stir 30 minutes, add remaining 25.79ml water simultaneously, can form the Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion of oil-in-water type.
Embodiment 5
The Jatropha curcas Buddhist ripple ester 15.79g that is 95% by purity adds in 5g isopropyl alcohol, 10g cyclohexanone and 10g dimethyl sulfoxide (DMSO), under room temperature, stirs Buddhist ripple ester is fully dissolved, and obtains homogeneous oil mixture; By 5g aliphatic alcohol polyoxyvinethene phosphate, 5g Triton X-100 is first dissolved in 30ml water, and then add 15g pyrogallic acid, 2g propane diols, 1.5g polyoxyethylene oxypropylene glycerine in the aqueous solution, 0.5g polyvinyl alcohol, 0.1g sodium hydroxide, stirring is fully dissolved it and is obtained homogeneous aqueous mixture; At room temperature, the aqueous mixture obtaining is added in oil mixture, then, under the rotating speed of 10000r/min, stir 25 minutes, add remaining 0.11ml water simultaneously, can form the Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion of oil-in-water type.
Embodiment 6
The Jatropha curcas Buddhist ripple ester 25g that is 80% by purity adds in 5g acetone, 5g cyclohexanone, 10g n-butanol, 10g dimethyl sulfoxide (DMSO), under room temperature, stirs Buddhist ripple ester is fully dissolved, and obtains homogeneous oil mixture; By 2g Tween 80,2g alkylphenol polyoxyethylene formaldehyde condensation products is first dissolved in 30ml water, and then add 2g ethanedioic acid, 2g urea, 0.5g polyoxyethylene oxypropylene glycerine in the aqueous solution, and 0.2g xanthans, 0.1g acetic acid, stirring is fully dissolved it and is obtained homogeneous aqueous mixture; At room temperature, the aqueous mixture obtaining is added in oil mixture, then, under the rotating speed of 12000r/min, stir 30 minutes, add remaining 6.2ml water simultaneously, can form the Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion of oil-in-water type.
Embodiment 7
The Jatropha curcas Buddhist ripple ester 21.05g that is 95% by purity adds in 5g isopropyl alcohol, 10g cyclohexanone and 5g n-butanol, under room temperature, stirs Buddhist ripple ester is fully dissolved, and obtains homogeneous oil mixture; By 5g alkyl sulfonic acid calcium, 10g alkylphenol polyoxyethylene formaldehyde condensation products is first dissolved in 30ml water, and then add 5g oxalic acid, 5g glycerine, 1g polyoxyethylene oxypropylene glycerine in the aqueous solution, and 0.5g xanthans, 0.2g sodium hydroxide, stirring is fully dissolved it and is obtained homogeneous aqueous mixture; At room temperature, the aqueous mixture obtaining is added in oil mixture, then, under the rotating speed of 12000r/min, stir 30 minutes, add remaining 2.25ml water simultaneously, can form the Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion of oil-in-water type.
In order to investigate insecticidal action and the effect of the prepared Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion of the present invention, now it has been carried out to following biologic test:
1, the biologic test of bean weevil
This biologic test adopts feed to mix medicine method and measures.According to percentage by weight, it is the 10-200 μ g g shown in table 1 that the prepared Jatropha curcas Buddhist of the present invention ripple ester disinsection aqueous emulsion dilute with water is made into content of dispersion
-1five gradient concentration liquids, then get respectively 1ml and shake all with fully mixing without worm mung bean 30g, treat that the dry 100ml of the being placed on triangular flask of mung bean is standby.It is the 10-200 μ g g shown in table 1 that control sample is directly made into content of dispersion by Buddhist ripple ester with ethanol
-1five gradient concentration liquids, then get respectively 1ml and shake all with fully mixing without worm mung bean 30g, treat that the dry 100ml of the being placed on triangular flask of mung bean is standby.And three repetitions of each concentration, each repeats with 30 Callosobruchus maculatus examination worms (15 male worm+15 female worms), and being placed in temperature is 28 ± 1 ℃, in the constant temperature insectary of relative moisture 75% ± 5%, with the mung bean after processing, raises.24h after raising, 48h checks respectively borer population alive, then calculation correction lethality and LC
50.Corrected mortality=(processed group lethality one control group lethality)/(1-control group lethality) * 100%.The results are shown in Table 1-4.
*death standard: touch adult afterbody with pulling needle, feeler and the motionless person of foot are dead.
The comprehensive virulence of table 1 disinsection aqueous emulsion of the present invention to Callosobruchus maculatus
The LC of table 2 disinsection aqueous emulsion of the present invention to the comprehensive virulence of Callosobruchus maculatus
50
The comprehensive virulence of table 3 control sample Buddhist ripple ester to Callosobruchus maculatus
The LC of table 4 control sample Buddhist ripple ester to the comprehensive virulence of Callosobruchus maculatus
50
The Buddhist ripple ester that can find out Buddhist ripple ester disinsection aqueous emulsion prepared by the present invention and control sample from table 1,3 result of the test is remarkable to the cytotoxicity of Callosobruchus maculatus, increase along with concentration, its insecticidal activity also strengthens gradually, Buddhist ripple ester concentration for the treatment of is only 21.15 μ g/g, and after 48h, the corrected mortality of Callosobruchus maculatus just can reach 51.42%; Buddhist ripple ester disinsection aqueous emulsion of the present invention under same concentration, after 48h, the corrected mortality of Callosobruchus maculatus also can reach 51.35%.
The Buddhist ripple ester that can find out Buddhist ripple ester disinsection aqueous emulsion prepared by the present invention and control sample from table 2,4 result of calculation is to the comprehensive virulence of Callosobruchus maculatus life period effect all, and along with the prolongation of time, lethality increases gradually, LC
50reduce gradually the LC of Buddhist ripple ester 24h and 48h
50be respectively 46.95 and 17.51 μ g/g, the LC of 48h
50for 0.37 times of 24h; And Buddhist ripple ester formulation 24h after emulsification and the LC of 48h
50be respectively 53.05 and 22.07 μ g/g, the LC of 48h
50for 0.41 times of 24h.
From table 1,2,3,4 result, can find out, it is destroyed that disinsection aqueous emulsion of the present invention has guaranteed that the active ingredient of Buddhist ripple ester does not have in emulsion process, to all existing toxic action and aqueous emulsion of the present invention to reach the toxic effect of Buddhist ripple ester to Callosobruchus maculatus in the Bioexperiment of Callosobruchus maculatus.
2, the biologic test of corn weevil
This biologic test also adopts feed to mix medicine method and measures.According to percentage by weight, it is the 10-200 μ g g shown in table 5 that the prepared Jatropha curcas Buddhist of the present invention ripple ester disinsection aqueous emulsion dilute with water is made into content of dispersion
-1five gradient concentration liquids, then get respectively 1ml and shake all with mixing without worm wheat 30g, treat that the dry 100ml of the being placed on triangular flask of wheat is standby.It is the 10-200 μ g g shown in table 5 that control sample is directly made into content of dispersion by Buddhist ripple ester with ethanol
-1five gradient concentration liquids, then get respectively 1ml and shake all with mixing without worm wheat 30g, treat that the dry 100ml of the being placed on triangular flask of wheat is standby.And three repetitions of each concentration, each repeats with 30 corn weevil examination worms (15 male worm+15 female worms), and being placed in temperature is 28 ± 1 ℃, in the constant temperature insectary of relative moisture 75% ± 5%, with the wheat after processing, raises.Raise and within latter 5 days, check respectively live borer population, then calculation correction lethality and LC
50.Corrected mortality=(processed group lethality one control group lethality)/(1-control group lethality) * 100%.The results are shown in Table 5,6.
*death standard: touch adult afterbody with pulling needle, feeler and the motionless person of foot are dead.
Table 5 disinsection aqueous emulsion of the present invention and the comprehensive virulence of control sample Buddhist ripple ester to corn weevil
Table 6 disinsection aqueous emulsion of the present invention and the LC of control sample Buddhist ripple ester to the comprehensive virulence of corn weevil
50
From table 5,6 processing, 5 days, the toxic effect of corn weevil is shown: control sample Buddhist ripple ester and disinsection aqueous emulsion of the present invention all show stronger toxic effect to corn weevil, all show concentration effect, along with the increase of concentration, the lethality of corn weevil all rises, and its LC
50be respectively 36.49 μ g/g and 36.75 μ g/g.By contrast, disinsection aqueous emulsion of the present invention has reached the toxic effect of Buddhist ripple ester to corn weevil.
By this type of, experimental results show that: Buddhist ripple ester exists larger cytotoxicity, and the larger cytotoxicity of the same existence of disinsection aqueous emulsion of the present invention, guaranteed that in emulsion process, the active ingredient of Buddhist ripple ester is not destroyed, still there is insecticidal activity.Therefore disinsection aqueous emulsion of the present invention can be applied and be promoted, the destruction of environment being caused to reduce organic agricultural chemicals.
Claims (2)
1. a Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion, is characterized in that each components based on weight percentage of this disinsection aqueous emulsion is:
Wherein contained Jatropha curcas Buddhist ripple ester obtains from jatropha curcas seed, and purity is 80-95%; Contained solvent is ethanol, acetone, toluene, methyl alcohol, propyl alcohol, isopropyl alcohol, ethylbenzene, at least one in monochloro-benzene, cyclohexanone and cyclohexane; Contained cosolvent is at least one in n-octyl alcohol, n-butanol, dimethyl sulfoxide (DMSO), ethylene glycol and glycerine; Contained emulsifier is at least one in alkyl benzene calcium sulfonate, Tween 80, aliphatic alcohol polyoxyvinethene phosphate, alkylphenol polyoxyethylene yuban and Triton X-100; Contained antifreezing agent is any in urea, ammonium sulfate, ethylene glycol, propane diols or glycerine; Contained stabilizing agent is any in pyrogallic acid, sodium hydrogen phosphate, succinic acid, ethanedioic acid, oxalic acid or borax.
2. a preparation method for Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion as claimed in claim 1, is characterized in that this preparation method's processing step and condition are as follows:
1) 1～20% Jatropha curcas Buddhist ripple ester obtaining from jatropha curcas seed is added in 5～20% solvents, 5～20% cosolvents, at room temperature stir and make Buddhist ripple ester dissolve and obtain the oil mixture of homogeneous;
2) by 1/3～/ 1/2 of 3～20% emulsifier, 2～5% antifreezing agents, 2～15% stabilizing agents and excess water, be uniformly mixed and obtain homogeneous aqueous mixture;
3) at room temperature, by the 2nd) aqueous mixture that obtains of step adds the 1st) in the oil mixture that obtains of step, then, the high-speed stirred of 10000～12000r/min 10～30 minutes, supplement remaining water simultaneously, can form the Jatropha curcas Buddhist ripple ester disinsection aqueous emulsion of oil-in-water type
Wherein said Jatropha curcas Buddhist ripple ester obtains from jatropha curcas seed, and purity is 80-95%; Described solvent is ethanol, acetone, toluene, methyl alcohol, propyl alcohol, isopropyl alcohol, ethylbenzene, at least one in monochloro-benzene, cyclohexanone and cyclohexane; Described cosolvent is at least one in n-octyl alcohol, n-butanol, dimethyl sulfoxide (DMSO), ethylene glycol and glycerine; Described emulsifier is at least one in alkyl benzene calcium sulfonate, Tween 80, aliphatic alcohol polyoxyvinethene phosphate, alkylphenol polyoxyethylene yuban and Triton X-100; Described antifreezing agent is any in urea, ammonium sulfate, ethylene glycol, propane diols or glycerine; Described stabilizing agent is any in pyrogallic acid, sodium hydrogen phosphate, succinic acid, ethanedioic acid, oxalic acid or borax.
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