CN1202516A - Process for preparing refined peppermint raw oil and pepperminet oil - Google Patents
Process for preparing refined peppermint raw oil and pepperminet oil Download PDFInfo
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- CN1202516A CN1202516A CN 98107110 CN98107110A CN1202516A CN 1202516 A CN1202516 A CN 1202516A CN 98107110 CN98107110 CN 98107110 CN 98107110 A CN98107110 A CN 98107110A CN 1202516 A CN1202516 A CN 1202516A
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Abstract
Through the technological process of indirect distillation and by means of high temperature and negative pressure, peppermint oil is made to flow directionally and separated in different specific weight and different boiling point so as to obtain peppermint raw oil and peppermint oil with relatively high content.
Description
The present invention relates to a kind of processing purifying technique of natural mint flavouring.
China is spearmint oil big producing country, and annual export volume is more than 5000 tons, because traditional complete processing falls behind, the product retaining is inferior lower, has not only influenced foreign exchange earning, and has reduced the use value of spearmint oil.Patent Office of the People's Republic of China disclosed method of refining spearmint oil that publication number is CN1153456A and method that preparation contains refining spearmint oil chewing gum on July 2nd, 1997.
The objective of the invention is to change the deficiency of traditional complete processing, the preparation method who provides a kind of refining to purify 88 degree, 80 degree crude peppermint oil bus and 65 degree, 60 degree Peppermint Oils is to improve the quality and the added value of spearmint oil.
The solution of the present invention is to adopt indirect distil process technology, by the high temperature suction function, allows spearmint oil directed flow in device, makes it by different specific weight, and different boiling reaches the separation of various compositions, obtains higher refining crude oil of content and refining vegetable oil.Its process characteristic is by in the negative pressure of vacuum suction evaporating kettle with stock liquid, with indirect steam stock liquid heating being made it the boiling vaporization sends into the refining tower by evaporating kettle again and carries out rectifying, under the negative pressure of vacuum effect, cat head stock liquid steam, be introduced into condenser and carry out condensation, gained stock oil phlegma some is sent into cat head and is refluxed, and all the other phlegmas are cooled to normal temperature by water cooler again and enter in the receptor.
Advantage of the present invention is that the technical process configuration is reasonable, and processing line is short out, logistics design science, and the level of automation height, easy to operate, not only improved peppermint oil outlet retaining, also optimized the product structure of spearmint oil simultaneously.
Technical process of the present invention
Total alcohol → the cooling of the stock oil → distillation → rectifying → removal of impurity → raising → mixing → sampling → chemical examination → finished product packing warehouse-in
Shown in 88 degree, the stock oils of 80 degree refining crude peppermint oil bus to select for use impurity few, α-Pai Xi, beta-pinene content is low, total alcohol is generally about 78 degree.The stock oil of 65 degree, 60 degree refining Peppermint Oils will be selected α-Pai Xi for use, and the vegetable oil that beta-pinene content is low, general total alcohol are above sold inside the country vegetable oil or the GB vegetable oil of 50 degree.At first open the water coolant of vacuum pump during distillation, open vacuum pump stock oil by in the negative pressure suction still kettle, open steam valve immediately and heat and make it the boiling vaporization.Stock liquid steam through vaporizing enters the refining tower by still kettle and carries out rectifying, under the negative pressure of vacuum effect, cat head stock liquid steam is sent into condenser and is carried out condensation, the effusive a part of lime set of self cooling condenser flows into cat head as phegma, remaining phlegma cools off by water cooler again reduces to normal temperature, flows in the receptor at last.Stock oil acts on directed flow in the refining tower by high temperature, vacuum, convection current etc. like this, and distills respectively according to each component boiling point difference in the stock oil.
Still-process can be divided into three sections to carry out
First section is carried out rectifying under following condition
| Warm ℃ of pot | Steam temperature ℃ | Vapor pressure mpa | Vacuum pressure mpa |
| ??70-100 | ??65-95 | ??0.35-0.45 | ????-0.1 |
Go out most of lower boiling impurity as materials such as ethanol, α-Pai Xi, beta-pinene, taro alkene in that this section is retortable.
Second section is carried out rectifying under following condition
| Warm ℃ of pot | Steam temperature ℃ | Vapor pressure mpa | Vacuum pressure mpa |
| ??120-150 | ??100-120 | ????0.45-0.6 | ????-0.1 |
This section 88 degree, 80 degree refining crude peppermint oil bus or 65 degree, the 60 degree refining Peppermint Oils that can obtain to meet the production demand.
The 3rd section: after the above-mentioned substance refining come out, the raffinate of remaining high boiling material and band pigment can directly bleed off from still kettle.
In above-mentioned still-process, first distilling period is by producing the low-boiling point material that need remove in the stock oil, as ethanol α-firpene, β-firpene, taro alkene etc.In the 3rd distilling period raffinate of high boiling impurity and band pigment is removed.Between the high boiling point and lower boiling each component materials of boiling point in forming spearmint oil owing to menthol in the after-fractionating section, the overwhelming majority is stayed in the after-fractionating section, so the total alcohol amount of the crude oil in the after-fractionating section is higher.Again that rectifying is good each section refining oil is by production requirement, and by analysis, percentage concentration is calculated, put into the stainless steel hold-up vessel and stir, mix, modulate, through sampling, chemical examination, then by stratographic analysis, total alcohol is analyzed, detects qualified after, put in storage in the zinc-plated bucket of packing income.
Claims (4)
1, the preparation method of a kind of refining crude peppermint oil bu and Peppermint Oil, be to adopt indirect distil process technology, pass through high temperature, suction function, allow spearmint oil directed flow in device, make it by different specific weight, different boiling reaches the separation of various compositions, obtain higher refining crude oil of content and refining vegetable oil, it is characterized in that: stock liquid is by in the negative pressure of vacuum suction evaporating kettle, with indirect steam the stock oil heating is made it the boiling vaporization, send into the refining tower by evaporating kettle again and carry out rectifying, under the negative pressure of vacuum effect, cat head stock liquid steam is introduced into condenser and carries out condensation, and a gained stock oil phlegma part is sent into cat head and refluxed, and all the other phlegmas cool off by water cooler again.
2, the preparation method of refining crude peppermint oil bu according to claim 1 and Peppermint Oil, it is characterized in that: the distil process flow process is: the total alcohol → cooling of the stock oil → distillation → rectifying → removal of impurity → raising → mixing → sampling → chemical examination → finished product packing warehouse-in.
3, the preparation method of refining crude peppermint oil bu according to claim 1 and Peppermint Oil is characterized in that: still-process is divided into three sections to carry out;
First section is carried out rectifying under following condition
Warm ℃ of pot Steam temperature ℃ Vapor pressure mpa Vacuum pressure mpa
?70-100 ??65-96 ??0.35-0.45 ????-0.1
Second section is carried out rectifying under following condition
Warm ℃ of pot Steam temperature ℃ Vapor pressure mpa Vacuum pressure mpa
?120-150 ?100-120 ??0.45-0.6 ????-0.1
The 3rd section with lower boiling impurity in the stock oil: after material refinings such as ethanol, α-Pai Xi, beta-pinene, limonene were come out, the raffinate of remaining high boiling substance and band pigment directly bled off from still kettle.
4, the preparation method of refining crude peppermint oil bu according to claim 1 and Peppermint Oil, it is characterized in that: each section refining oil that refining is good is by production requirement, by analysis, the percentage concentration measuring and calculating, put into the stainless steel hold-up vessel and stir, mix, modulate, through chemical examination, then by stratographic analysis, total alcohol analysis, detect qualified after, packing warehouse-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98107110 CN1202516A (en) | 1998-02-24 | 1998-02-24 | Process for preparing refined peppermint raw oil and pepperminet oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98107110 CN1202516A (en) | 1998-02-24 | 1998-02-24 | Process for preparing refined peppermint raw oil and pepperminet oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1202516A true CN1202516A (en) | 1998-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98107110 Pending CN1202516A (en) | 1998-02-24 | 1998-02-24 | Process for preparing refined peppermint raw oil and pepperminet oil |
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| CN (1) | CN1202516A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387252C (en) * | 2003-10-16 | 2008-05-14 | 成都华森药物高新技术有限公司 | Soft capsule with peppermint oil as raw material medicine for treating gallbladder disease |
| CN102241557A (en) * | 2010-05-10 | 2011-11-16 | 孙志高 | Process for supercritical extraction of limonene from sweet orange peel essential oil |
| CN102250691A (en) * | 2011-06-09 | 2011-11-23 | 安徽中草香料有限公司 | Process for preparing ginger essential oil |
| CN103232892A (en) * | 2010-01-26 | 2013-08-07 | 田志勇 | Five-section extraction method for preparing mint essential oil by distillation |
| CN104178347A (en) * | 2014-08-11 | 2014-12-03 | 安徽丰乐香料有限责任公司 | Method for preparing terpeneless dementholized peppermint oil through azeotropic distillation |
| CN108251213A (en) * | 2016-12-29 | 2018-07-06 | 广州华芳烟用香精有限公司 | A kind of natural perfume material distillation and its preparation method and application |
-
1998
- 1998-02-24 CN CN 98107110 patent/CN1202516A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387252C (en) * | 2003-10-16 | 2008-05-14 | 成都华森药物高新技术有限公司 | Soft capsule with peppermint oil as raw material medicine for treating gallbladder disease |
| CN103232892A (en) * | 2010-01-26 | 2013-08-07 | 田志勇 | Five-section extraction method for preparing mint essential oil by distillation |
| CN103232892B (en) * | 2010-01-26 | 2014-04-09 | 田志勇 | Five-section extraction method for preparing mint essential oil by distillation |
| CN102241557A (en) * | 2010-05-10 | 2011-11-16 | 孙志高 | Process for supercritical extraction of limonene from sweet orange peel essential oil |
| CN102250691A (en) * | 2011-06-09 | 2011-11-23 | 安徽中草香料有限公司 | Process for preparing ginger essential oil |
| CN104178347A (en) * | 2014-08-11 | 2014-12-03 | 安徽丰乐香料有限责任公司 | Method for preparing terpeneless dementholized peppermint oil through azeotropic distillation |
| CN108251213A (en) * | 2016-12-29 | 2018-07-06 | 广州华芳烟用香精有限公司 | A kind of natural perfume material distillation and its preparation method and application |
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |