CN105475373A - Preparation method for neolitsea-sericea-essential-oil miticide - Google Patents
Preparation method for neolitsea-sericea-essential-oil miticide Download PDFInfo
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- CN105475373A CN105475373A CN201510765226.5A CN201510765226A CN105475373A CN 105475373 A CN105475373 A CN 105475373A CN 201510765226 A CN201510765226 A CN 201510765226A CN 105475373 A CN105475373 A CN 105475373A
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Abstract
The invention discloses a preparation method for a neolitsea-sericea-essential-oil miticide, and belongs to the field of chemical engineering. The preparation method comprises the following steps: cleaning neolitsea-sericea fresh leaves or seeds, adding fresh orange peel accounting for 1/2 by weight of the neolitsea-sericea fresh leaves or seeds, mixing, crushing, adding distilled water according to the ratio of 1:1, adding butyl acetate according to the ratio of 1%, and performing extraction by using a microwave extraction instrument; transferring the processed sample to a distillation device, collecting the distillate organic-phase part, removing butyl acetate through reduced-pressure concentration, so as to obtain neolitsea-sericea orange-peel mixed essential oil; and dissolving the essential oil in ethanol with the amount being 5 times the volume of the essential oil, fully mixing, stabilizing for 1 h, then adding distilled water with the amount being 5 times the volume of the essential oil, and fully mixing, so as to obtain the miticide. The miticide can be used as a spraying agent for removing mites on household beddings, plush toys and automobile trims.
Description
Technical field
The invention belongs to chemical technology field, relate to a kind of extracting method of Neolitsea sericea essential oil and be main functional component with it except the preparation method of mite agent.
Background technology
Acarid is a kind of invisible miniature insect, is distributed widely in the place such as dark corner, carpet, mattress, pillow, sofa, summer sleeping mat, automobile cushion in room.The corpse of acarid, secretion and excreta are all anaphylactogens, and people can be made to occur allergic dermatitis, asthma, bronchitis, ephritis, rhinitis and other disease, and harm humans is healthy.The chemosynthesis of now commercially selling is except mite agent is much to human body toxic side effect, especially larger to children injury.
Neolitsea sericea (Neolitseasericea (Blume)) is a kind of aiphyllium, and belonging to Lauraceae, is Chinese Second Class Key Protected Plant.Be distributed in main Zhoushan Of Zhejiang Province archipelago, also there are distribution in Japan, Korea.Its growth adaptability is strong, and introduction range is wide, plants at present mainly as green tree species at Along Zhejiang Coast.Containing aromatic oil in Neoltsea fruit, leaf, be rich in fatty acid in seed and pulp, its root, branch, leaf also can be used as medicine, and be a class economic tree, the terpenoid in Neoltsea volatile oil kills mite, antimycotic effect.At present, the research about Neolitsea sericea mainly concentrates on introduces a fine variety in training, cultivation, about chemical composition and functional study less, therefore the research of Neolitsea sericea derived essential oil is to its economic worth of raising, promotes extensively plantation significant.
The invention provides a kind of with the preparation method of the Neolitsea sericea essential oil pest repellant that is main composition, the method effectively can extract derived essential oil from the leaf, seed of Neolitsea sericea, be prepared into plants essential oil except mite agent, there is the feature of safety non-toxic noresidue, be applicable to household except mite.
Summary of the invention
The object of the present invention is to provide a kind of with the preparation method of the Neolitsea sericea essential oil pest repellant that is main composition, the method effectively can extract derived essential oil from the leaf, seed of Neolitsea sericea, be prepared into plants essential oil except mite agent, there is the feature of safety non-toxic noresidue, be applicable to household except mite.
Object of the present invention is achieved through the following technical solutions.Neolitsea sericea essential oil, except a preparation method for mite agent, carries out according to following step:
(1) fresh Neolitsea sericea leaf or wash seeds is clean, be mixed into the fresh orange peel of 1/3 ~ 1/2 weight, add water in 1: 1 ~ 2: 1 ratio; Add in beater, making beating 20 ~ 30min, takes out;
(2) slurries are moved in Microwave Extraction instrument, power 800 ~ 1000W, extract 60s, take out, as material liquid;
(3) in material liquid, add butyl acetate, add that volume is material liquid volume 1%, fully stir, put into steam distillation device, leave standstill 30min; 190 DEG C, add thermal distillation 60min ~ 90min; Collect upper strata distillate, be placed in cold boiler, below vacuum 800Pa, 50 DEG C, 10min ~ 15min, remove butyl acetate, the essential oil that namely to obtain with Neolitsea sericea essential oil be main component;
(4) essential oil is dissolved in the ethanol of its volume 4 ~ 8 times, fully mixes, stablize 1h, then add the distilled water of essential oil 5 ~ 10 times of volumes, fully mix, mite agent must be driven.
The invention provides a kind of Neolitsea sericea method of extraction of essential oil, can more fully extract Neolitsea sericea essential oil, recovery rate is improved, phenolic acid constituent content increases.Preparation drive mite agent can as spray for household bedding, lint type toy, automotive trim except mite.
Embodiment
Embodiment 1
(1) get fresh Neolitsea sericea leaf to clean up, dry, get 200g, be mixed into the fresh orange peel of 1/2 weight, add water 300mL in 1: 1 ratio, 20min is pulverized in making beating.
(2) microwave radiation exaraction essential oil, its condition is 800W, 60s.
(3), after microwave treatment, in feed liquid, add butyl acetate 5mL in 1% ratio, fully stir.
(4) feed liquid joins steam distillation device, leaves standstill 30min, is heated to 190 DEG C, 90min.
(5) collect upper strata distillate, about 6mL, reduced pressure concentration, temperature 50 C, 10min, can obtain Neolitsea sericea leaf orange peel mixed essential oil 4ml.
(6) essential oil is dissolved in the second of the volume of its 4 times of volumes, fully mixes, and stablizes 1h, then adds the distilled water of essential oil volume 5 times, fully mixes, must drive mite agent.Except mite experimental result shows, use except after mite agent 1h, the lethality rate of acarid is 98%.
Embodiment 2
(1) get fresh Neolitsea sericea leaf to clean up, dry, get 200g, be mixed into the fresh orange peel of 1/3 weight, add water 550mL in 2: 1 ratios, 30min is pulverized in making beating.
(2) microwave radiation exaraction essential oil, its condition is 1000W, 60s.
(3), after microwave treatment, in feed liquid, add butyl acetate 9mL in 1% ratio, fully stir.
(4) feed liquid joins steam distillation device, leaves standstill 30min, is heated to 190 DEG C, 60min.
(5) collect upper strata distillate, about 6mL, reduced pressure concentration, temperature 50 C, 15min, can obtain Neolitsea sericea leaf orange peel mixed essential oil 4.2ml.
(6) essential oil is dissolved in the ethanol of essential oil 8 times of volumes, fully mixes, and stablizes 1h, then adds the distilled water of essential oil 10 times of volumes, fully mixes, and must drive mite agent.Except mite experimental result shows, use except after mite agent 1h, the lethality rate of acarid is 91%.
Claims (1)
1. Neolitsea sericea essential oil is except a preparation method for mite agent, it is characterized in that carrying out according to following step
(1) fresh Neolitsea sericea leaf or wash seeds is clean, be mixed into the fresh orange peel of 1/3 ~ 1/2 weight, add water in 1: 1 ~ 2: 1 ratio; Add in beater, making beating 20 ~ 30min, takes out;
(2) slurries are moved in Microwave Extraction instrument, power 800 ~ 1000W, extract 60s, take out, as material liquid;
(3) in material liquid, add butyl acetate, add that volume is material liquid volume 1%, fully stir, put into steam distillation device, leave standstill 30min; 190 DEG C, add thermal distillation 60min ~ 90min; Collect upper strata distillate, be placed in cold boiler, below vacuum 800Pa, 50 DEG C, 10min ~ 15min, remove butyl acetate, the essential oil that namely to obtain with Neolitsea sericea essential oil be main component;
(4) essential oil is dissolved in the ethanol of its volume 4 ~ 8 times, fully mixes, stablize 1h, then add the distilled water of essential oil 5 ~ 10 times of volumes, fully mix, mite agent must be driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765226.5A CN105475373A (en) | 2015-11-06 | 2015-11-06 | Preparation method for neolitsea-sericea-essential-oil miticide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510765226.5A CN105475373A (en) | 2015-11-06 | 2015-11-06 | Preparation method for neolitsea-sericea-essential-oil miticide |
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| CN105475373A true CN105475373A (en) | 2016-04-13 |
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| CN201510765226.5A Pending CN105475373A (en) | 2015-11-06 | 2015-11-06 | Preparation method for neolitsea-sericea-essential-oil miticide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108410601A (en) * | 2018-04-03 | 2018-08-17 | 浙江海洋大学 | A kind of Neolitsea sericea handmade soap and preparation method |
| CN108812704A (en) * | 2018-07-26 | 2018-11-16 | 哈尔滨万维生物技术有限公司 | Anti-mite special-purpose insecticide and production method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6500445B1 (en) * | 1999-03-31 | 2002-12-31 | Erroll M. Pullen | Controlling dust mites with a composition containing surfactants, high terpene oil and monohydric alcohol |
| CN1426811A (en) * | 2002-12-17 | 2003-07-02 | 中国科学院武汉植物研究所 | Action of litsea citrate oil in killing parasite on human body and animal |
| CN104126582A (en) * | 2014-06-30 | 2014-11-05 | 苏州派腾生物医药科技有限公司 | Application of laurolitsine in preparation of pesticides |
-
2015
- 2015-11-06 CN CN201510765226.5A patent/CN105475373A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6500445B1 (en) * | 1999-03-31 | 2002-12-31 | Erroll M. Pullen | Controlling dust mites with a composition containing surfactants, high terpene oil and monohydric alcohol |
| CN1426811A (en) * | 2002-12-17 | 2003-07-02 | 中国科学院武汉植物研究所 | Action of litsea citrate oil in killing parasite on human body and animal |
| CN104126582A (en) * | 2014-06-30 | 2014-11-05 | 苏州派腾生物医药科技有限公司 | Application of laurolitsine in preparation of pesticides |
Non-Patent Citations (5)
| Title |
|---|
| FURUNO,T等: "Activities of leaf oils and their components from lauraceae trees against house dust mites", 《MOKUZAI GAKKAISHI》 * |
| SHARMA,MC等: "EXTRACTIVES OF NEOLITSEA-SERICEA - A NEW HYDROXY STEROIDAL KETONE, AND OTHER COMPOUNDS FROM THE HEARTWOOD OF NEOLITSEA-SERICEA", 《MOKUZAI GAKKAISHI》 * |
| 国家林业局野生动植物保护和自然保护区管理司等: "《中国珍稀濒危植物图鉴》", 31 May 2013 * |
| 尚遂存: "《有机化学实验操作与技术》", 8 January 1996 * |
| 管月清: "密叶新木姜子植物化学成分的研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108410601A (en) * | 2018-04-03 | 2018-08-17 | 浙江海洋大学 | A kind of Neolitsea sericea handmade soap and preparation method |
| CN108812704A (en) * | 2018-07-26 | 2018-11-16 | 哈尔滨万维生物技术有限公司 | Anti-mite special-purpose insecticide and production method |
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Application publication date: 20160413 |
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