CN101690502A - Application of torreya essential oil in mosquito repellent - Google Patents
Application of torreya essential oil in mosquito repellent Download PDFInfo
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- CN101690502A CN101690502A CN200910154435A CN200910154435A CN101690502A CN 101690502 A CN101690502 A CN 101690502A CN 200910154435 A CN200910154435 A CN 200910154435A CN 200910154435 A CN200910154435 A CN 200910154435A CN 101690502 A CN101690502 A CN 101690502A
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- torreya
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invention discloses application of torreya essential oil in a mosquito repellent. The torreya essential oil is extracted from aril of torreya. The mosquito repellent prepared from the torreya essential oil has the characteristics of good mosquito repelling effect and environmental protection.
Description
Technical field
The present invention relates to the Chinese torreya arillus is the purposes of torreya essential oil in mosquito repellent product that raw material extracts, and belongs to agriculture and forestry product comprehensive utilization technique field.
Background technology
Chinese torreya (Torreya grandis) is a gymnosperm, and loose China fir guiding principle taxaceae (Taxaceae) Chinese torreya belongs to, and aiphyllium is the distinctive economic tree of China, and the Chinese torreya platymiscium belongs to gymnosperm, does not have real fruit.In the seed development process, the pearl of ovule holder increase develops into the meat arillus.Its seed drupe shape, custom claim fruit or plant Pu.Wherein Chinese torreya (Torreya grandisvar.merriii) is the cultivar of Chinese torreya, and its seed is as the edible also history of existing more than one thousand years of the treasure in the dry fruit.The Chinese torreya arillus accounts for the 50-60% of seed fresh weight, and Chinese torreya is really gathered after stack retting is removed arillus by hand, is the accessory substance that Chinese torreya is really processed, and can distribute strong fragrance when arillus is broken.People such as Zhou Dazheng separation from the carrene extraction composition of Chinese torreya arillus obtains 5 diterpene compounds, identify the constituent that 38 kinds of compositions comprise that also some are similar to rosin rosin in Wang Beibei and the volatile matter (yield 17.5%) that the article that delivered in 2008 on the Luo Jin high mountain then adopts supercritical carbon dioxide extracting to obtain, as dehydroabietic acid, pimaric acid, isopimaric acid methyl esters etc., identify 48 chemical compositions in the volatile matter (yield 5.83%) that the article that the Chen Zhen moral was delivered in 2003 then adopts supercritical carbon dioxide extracting to obtain, mostly be monoterpene and sequiterpene, what content was the highest is citrene (16.95-33.37%) and australene (21.04-24.11%), and other also have nopinene, the 3-carene, kappa alkene, the card butylene, multiple composition such as terpinolene.
In addition, though a lot of plants essential oils have certain mosquito and walk quickly and keep away effect, but do not reach the commercial level of using, at present can as the mosquito repellent functional component use only limited several, wherein most widely used is citronella oil, eucalyptus citriodora oil, and the functional component of the two is respectively citronellal and 1, the 8-Cineole, often price is higher for these natural mosquito repellent products, and is actually rare on China mainland market.Then to adopt chemical synthetic drug be active component to more mosquito repellent product on the market, and wherein with N, N-diethyl-3-methyl benzamide (DEET, mosquito repellent amine) is most widely used with pyrethroid.But the medicine of chemosynthesis is easily to human body, produce harmful effect to environment, and mosquito is developed immunity to drugs.As the nervous centralis disease that in past 60 years discovery 25 examples in the toxicological study of DEET was caused because of excessive use, as dull, manic, headache, incoordination etc., wherein in the 6 routine dead cases 3 examples being arranged is children.The toxicological study of pyrethroid then show high dose use can cause the neurotoxicity reaction as sports coordination ability forfeiture, overacfivity, tremble, paralysis, immune system variation etc., and skin and eyes had excitant.
Natural essential oil is compared chemical synthetic drug, has that toxicity is low, advantage such as be difficult for developing immunity to drugs.In the commercial product, the concentration of citronella oil can provide the protection of 20-30min when 5-15%, and eucalyptus citriodora oil can provide the protection of 2-5h when the concentration of 10-30%.Walk quickly and keep away effect though other a lot of essential oils have certain mosquito, do not reach the commercial level of using.Therefore seek natural essential oil, safer, the effective novel mosquito repellent product of human body especially infant is had significance for exploitation with mosquito-repelling function.
In the research of natural products and effect, because the complexity that natural products constitutes, the coordinate repression that has varying degree between the functional component, there is very big difference in the natural constituents that different extracting modes obtains on physiologically active, essential oil (the yield 10-20% that we adopt the way of distillation to obtain to the Chinese torreya arillus, clarification, transparent liquid) and supercritical carbon dioxide extracting thing (yield 6.71%, being the thickness paste) composition adopts gas chromatography-mass spectrum that constituent is measured, and finds that the key component of the two is approaching.Difference is the former with volatile monoterpene and sesquiterpenoids ingredients constitute absolute predominance, and with Chen Zhen moral report basically identical in 2003, and the latter also detects the more weak compositions of volatility such as several diterpene and phenol, guaiacol.Up to now, do not see the research report of torreya essential oil mosquito repellent effect as yet.
Summary of the invention
The technical problem to be solved in the present invention provides the purposes of torreya essential oil, promptly is used to prepare culicifuge.
In order to solve the problems of the technologies described above, the invention provides the application of torreya essential oil in culicifuge.
As the improvement of the application of torreya essential oil of the present invention in culicifuge, torreya essential oil is for extracting the essential oil that obtains by Chinese torreya fruit arillus.This extracting method can be the way of distillation.
Torreya essential oil of the present invention can be from the cultivar Chinese torreya, perhaps wild Chinese torreyas such as rice Chinese torreya, sesame Chinese torreya, ivory Chinese torreya, roundlet Chinese torreya, great circle Chinese torreya.
Torreya essential oil of the present invention is as a kind of commercially available prod (for example being the torreya essential oil that Zhejiang champion Food Co., Ltd produces), usually (yield is about the 10-20% of arillus dry powder to adopt way of distillation extraction, w/w, mass ratio), also can adopt several different methods such as cold-press method and solvent extraction to extract.
Torreya essential oil can use separately also can with the composite use of other mosquito repellent components, can be made into forms such as liquid, ointment, capsule, suspension member, the essential oil carrier can be selected various ways such as vegetable oil, ointment.
During actual the use, generally contain the torreya essential oil of 5-30% (w/w, mass ratio) in the mosquito repellent product.
The present invention adopts the functional component of torreya essential oil as mosquito repellent product, for confirming the effect of torreya essential oil of the present invention on mosquito repellent, we test according to the indoor harmacological effect evaluation repellant of GB/T 17322.10-1998 agriculture chemical registration hygienic insecticide with the essential oil that distillation obtains the extract of Chinese torreya arillus supercritical carbon dioxide, and compare with citronella oil (production of the Central-South medicine in the South Sea, Foshan City factory) etc., concrete method and result are as follows:
Torreya essential oil, Chinese torreya supercritical carbon dioxide extracting thing, citronella oil and absolute alcohol are configured to solution, and the mass fraction of torreya essential oil in solution is 12.5%, 25%, 50%; Chinese torreya supercritical carbon dioxide extracting thing and the citronella oil mass fraction 12.5%, 25% in solution.The arm of recommending with reference to GB/T 17322.10-1998 is put into the method for testing of mosquito cage, changes into and puts into the mosquito cage once per half an hour, writes down effective repellent time (table 1).
Table 1 torreya essential oil, Chinese torreya supercritical carbon dioxide extracting thing and citronella oil to effective repellent time of aedes albopictus (hour, h)
| Concentration | Torreya essential oil | The Chinese torreya supercritical extract | Citronella oil |
| ??100％ | ??7.5 | ??—— | ??—— |
| ??50％ | ??7.0 | ??—— | ??—— |
| ??25％ | ??5.0 | ??0.0 | ??4.5 |
| ??12.5％ | ??1.0 | ??0.0 | ??1.5 |
Result of the test shows that the repelling effect and the citronella oil of torreya essential oil are suitable, but the supercritical carbon dioxide extracting thing does not then have anophelifuge activity.And the supercritical carbon dioxide extracting thing has certain excitant to skin, and the minimal irritation pain is arranged, and essential oil then only has glossy phenomenon at skin surface, observes no any discomfort sense in 72 hours.
The production that torreya essential oil is used for culicifuge has the following advantages:
1), torreya essential oil is the essential oil with mosquito repellent effect that extracts from natural plants; Therefore this kind culicifuge has the characteristics of green, environmental protection.
2), torreya essential oil has pure and fresh pleasant fragrance, so this kind culicifuge is easier is accepted by the consumer.
3), torreya essential oil do not have any stimulation to skin, have wide range of applications.
Embodiment
Embodiment 1, a kind of torreya essential oil mosquito expelling liquid
Is solution with torreya essential oil, mineral oil, absolute ethyl alcohol by 1: 2: 2 mixing of mass ratio, obtains the torreya essential oil mass fraction and be 20% mosquito expelling liquid.
This kind mosquito expelling liquid evenly is applied to outside baring skins such as arm, can effective mosquito-proof 4-5h.
Embodiment 2, a kind of natural herb mosquito expelling liquid
Earlier ethanol, torreya essential oil, eucalyptus citriodora oil, citronella oil and glycerine fully are mixed into solution, add entry and mixing then, obtain the natural herb mosquito expelling liquid; Ethanol, torreya essential oil, eucalyptus citriodora oil, citronella oil and the glycerine mass concentration in the natural herb mosquito expelling liquid is respectively 42-48%, 5-7%, 0.3-0.8%, 0.1-0.25%, 0.6-0.9%.
This mosquito expelling liquid can be directly used in skin, and can reach 3-4h effective time.The performance synergy, thus make torreya essential oil under the prerequisite of lower content, still can bring into play good repelling effect.
Embodiment 3, a kind of torreya essential oil mosquito expelling plaster
Torreya essential oil is mixed by mass ratio with phenolic resins at 1: 4; made medicinal extract in 10 hours 80 ℃ of stirrings; then medicinal extract is applied to a side of nonwoven; coating layer thickness 0.1-0.2mm; the opposite side of nonwoven adopts PUR and PET film to be pasted together; the PET film applies adhesive sticker outward, sticks the release liners protective layer at last.
During use, remove protection sheet, mosquito expelling plaster is pasted on surfaces such as furniture, clothing, get final product near the position of the person.The effective mosquito-proof time of this mosquito expelling plaster is 5-6h, and after this effect will be successively decreased in time.
Embodiment 4, the mosquito-proof emulsion of a kind of natural herb
At first, the lecithin aqueous solution employing lemon acid for adjusting pH value to 4.5 with 1% (w/w) splashes into torreya essential oil then in stirring, make its mass fraction reach 30%, continues to stir 20min then.Prepare separately in addition 2% chitosan solution (10% aqueous citric acid solution, w/w).At last, chitosan solution is splashed into the torreya essential oil emulsion of former preparation in stirring, the chitosan solution that makes adding is 1/2nd of a former emulsion volume, makes mosquito-proof emulsion at last.
This emulsion is counted by mass fraction final the composition: torreya essential oil 15%, lecithin 0.5%, citric acid 5%, shitosan 0.35%, water 79.15%.This emulsion does not contain ethanol, is faintly acid, has reduced the stimulation to skin, can directly be applied to the skin that face etc. exposes and be used to prevent bite by mosquitos, continues 3-4h in the time of effectively.
At last, it is also to be noted that what more than enumerate only is several specific embodiments of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (2)
1. the application of torreya essential oil in culicifuge.
2. the application of torreya essential oil according to claim 1 in culicifuge is characterized in that: described torreya essential oil is for extracting the essential oil that obtains by Chinese torreya fruit arillus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910154435.0A CN101690502B (en) | 2009-10-27 | 2009-10-27 | Application of torreya essential oil in mosquito repellent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910154435.0A CN101690502B (en) | 2009-10-27 | 2009-10-27 | Application of torreya essential oil in mosquito repellent |
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| Publication Number | Publication Date |
|---|---|
| CN101690502A true CN101690502A (en) | 2010-04-07 |
| CN101690502B CN101690502B (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910154435.0A Expired - Fee Related CN101690502B (en) | 2009-10-27 | 2009-10-27 | Application of torreya essential oil in mosquito repellent |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104472482A (en) * | 2014-12-30 | 2015-04-01 | 马艳荣 | Toad expelling agent |
| CN105997579A (en) * | 2016-05-10 | 2016-10-12 | 中国科学院昆明植物研究所 | Mosquito repelling product with adenosma buchneroides bonati essential oil as effective component and application of mosquito repelling product |
| CN106614671A (en) * | 2016-12-28 | 2017-05-10 | 安徽紫檀科技有限公司 | Safe environment-friendly mosquito repellent liquid and preparation method thereof |
| CN106726775A (en) * | 2016-12-30 | 2017-05-31 | 东莞小猕猴户外用品有限公司 | The preparation method of outdoor book on Chinese herbal medicine mosquito-driving liquid and outdoor book on Chinese herbal medicine mosquito-driving liquid |
| CN113040073A (en) * | 2021-03-15 | 2021-06-29 | 珠海市海盟水产养殖应用研发有限公司 | Insect-repellent essential oil complexing agent for fish and shrimp and application thereof |
-
2009
- 2009-10-27 CN CN200910154435.0A patent/CN101690502B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104472482A (en) * | 2014-12-30 | 2015-04-01 | 马艳荣 | Toad expelling agent |
| CN105997579A (en) * | 2016-05-10 | 2016-10-12 | 中国科学院昆明植物研究所 | Mosquito repelling product with adenosma buchneroides bonati essential oil as effective component and application of mosquito repelling product |
| CN106614671A (en) * | 2016-12-28 | 2017-05-10 | 安徽紫檀科技有限公司 | Safe environment-friendly mosquito repellent liquid and preparation method thereof |
| CN106614671B (en) * | 2016-12-28 | 2019-08-23 | 安徽紫檀科技有限公司 | A kind of mosquito repellent liquid and preparation method thereof |
| CN106726775A (en) * | 2016-12-30 | 2017-05-31 | 东莞小猕猴户外用品有限公司 | The preparation method of outdoor book on Chinese herbal medicine mosquito-driving liquid and outdoor book on Chinese herbal medicine mosquito-driving liquid |
| CN113040073A (en) * | 2021-03-15 | 2021-06-29 | 珠海市海盟水产养殖应用研发有限公司 | Insect-repellent essential oil complexing agent for fish and shrimp and application thereof |
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| Publication number | Publication date |
|---|---|
| CN101690502B (en) | 2014-03-05 |
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