CN105670795B - A kind of extracting method of peppermint oil - Google Patents
A kind of extracting method of peppermint oil Download PDFInfo
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- CN105670795B CN105670795B CN201610069615.9A CN201610069615A CN105670795B CN 105670795 B CN105670795 B CN 105670795B CN 201610069615 A CN201610069615 A CN 201610069615A CN 105670795 B CN105670795 B CN 105670795B
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- petroleum ether
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/025—Recovery by solvent extraction
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/022—Refining
Abstract
The invention discloses a kind of extracting method of peppermint oil, the present invention is simple to operate to the less demanding of equipment, is adapted to industrialized production；By groping the proportioning of petroleum ether, second alcohol and water, the polarity of the mixed solution of acquisition is conducive to the extraction of peppermint oil, improves the yield of menthol；Relative to traditional steam distillation, there is significant raising in terms of peppermint oil oil yield and menthol yield.
Description
Technical field
The invention belongs to Chinese herbal medicine extracting method technical field, more particularly to a kind of extracting method of peppermint oil.
Background technology
The volatile oil that peppermint oil system extracts from labiate peppermint (Mentha hap localyx Briq).The plant
Thing is distributed widely in the Temperate Region in China in the Northern Hemisphere, and north and south each province is widely distributed in China.Scientific name M. is used in unification to peppermint in the past
Arvensis L, China splitter using Boriss to the handling suggestion of Mentha, with reference to its morphological feature and Geographical Differentiation
Trend, can be divided into two big populations, i.e. the peppermint population M.arvensis L of Europe, West Asia and north America region, East Asia and
The peppermint population M.haplocalyxBri of Tropical Asia.The peppermint category latter wide in variety of China's cultivation.
Peppermint is one of conventional traditional Chinese medicine of China, is again a kind of important spice berry.Peppermint have dispelling wind, radiating,
Effect of removing toxic substances, for treating anemopyretic cold, headache, hot eyes, abscess of throat, toothache etc..Main component is volatile oil in peppermint,
Principle active component is menthol in volatile oil（It is commonly called as menthol）.It is thin for how improving peppermint oil oil yield and menthol yield
One of main contents of lotus oil extract technical study.The domestic and international extraction to Herba Menthae Haplocalycis volatile oil at present is main to be with steam distillation
It is main.But it is relatively low with the menthol yield that steam distillation extracts peppermint oil, generally between 0.8%-0.9%, not over
1.0%。
The content of the invention
It is an object of the invention to provide a kind of extracting method of peppermint oil, so as to improve the yield of menthol.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
A kind of extracting method of peppermint oil, comprises the following steps：
（1）By weight, 5-10 parts of dry mint plants are taken, volatile oil extractor is put into after being crushed with pulverizer
In, 15-30 parts of petroleum ether and 5-10 parts of ethanol is added, under normal temperature condition, soak 2-4 hours；
（2）Again toward in volatile oil extractor plus 50-80 part of pure water, at 80-100 DEG C, circulation extraction 4-6 hours；
（3）Cold filtration, the petroleum ether and 2-5 parts of ethanol of 5-10 parts of addition in filter residue, 20-30 parts of pure water,
At 80-100 DEG C, circulation is extracted 0.5-1.5 hours；
（4）Filter again, discard filter residue, merge filtrate twice, be transferred to rotary evaporator, evaporation removes petroleum ether and second
Alcohol, collects peppermint oil.
A kind of extracting method of peppermint oil, the boiling range specification of the petroleum ether is 60-90 DEG C.
Advantages of the present invention：The present invention is simple to operate to the less demanding of equipment, is adapted to industrialized production；By groping
The proportioning of petroleum ether, second alcohol and water, the polarity of the mixed solution of acquisition is conducive to the extraction of peppermint oil, improves obtaining for menthol
Rate.
Specific embodiment
With reference to specific embodiment, the present invention will be further described in detail.
Embodiment 1,
A kind of extracting method of peppermint oil, comprises the following steps：
（1）By weight, 5 parts of dry mint plants are taken, is put into volatile oil extractor after being crushed with pulverizer, plus
Enter 15 parts of petroleum ether and 5 parts of ethanol, under normal temperature condition, soak 2 hours；
（2）Again toward in volatile oil extractor plus 50 parts of pure water, at 80-100 DEG C, circulation is extracted 4 hours；
（3）Cold filtration, adds 5 parts of petroleum ether and 2 parts of ethanol, 20 parts of pure water, at 80-100 DEG C in filter residue
Under, circulation is extracted 0.5 hour；
（4）Filter again, discard filter residue, merge filtrate twice, be transferred to rotary evaporator, evaporation removes petroleum ether and second
Alcohol, collects peppermint oil.
A kind of extracting method of peppermint oil, the boiling range specification of the petroleum ether is 60-90 DEG C.
Embodiment 2,
A kind of extracting method of peppermint oil, comprises the following steps：
（1）By weight, 8 parts of dry mint plants are taken, is put into volatile oil extractor after being crushed with pulverizer, plus
Enter 25 parts of petroleum ether and 8 parts of ethanol, under normal temperature condition, soak 3 hours；
（2）Again toward in volatile oil extractor plus 65 parts of pure water, at 80-100 DEG C, circulation is extracted 5 hours；
（3）Cold filtration, adds 8 parts of petroleum ether and 4 parts of ethanol, 25 parts of pure water, at 80-100 DEG C in filter residue
Under, circulation is extracted 1 hour；
（4）Filter again, discard filter residue, merge filtrate twice, be transferred to rotary evaporator, evaporation removes petroleum ether and second
Alcohol, collects peppermint oil.
A kind of extracting method of peppermint oil, the boiling range specification of the petroleum ether is 60-90 DEG C.
Embodiment 3,
A kind of extracting method of peppermint oil, comprises the following steps：
（1）By weight, 10 parts of dry mint plants are taken, are put into volatile oil extractor after being crushed with pulverizer,
30 parts of petroleum ether and 10 parts of ethanol is added, under normal temperature condition, is soaked 4 hours；
（2）Again toward in volatile oil extractor plus 80 parts of pure water, at 80-100 DEG C, circulation is extracted 6 hours；
（3）Cold filtration, adds 10 parts of petroleum ether and 5 parts of ethanol, 30 parts of pure water, at 80-100 DEG C in filter residue
Under, circulation is extracted 1.5 hours；
（4）Filter again, discard filter residue, merge filtrate twice, be transferred to rotary evaporator, evaporation removes petroleum ether and second
Alcohol, collects peppermint oil.
A kind of extracting method of peppermint oil, the boiling range specification of the petroleum ether is 60-90 DEG C.
Comparative example 1,
A kind of extracting method of peppermint oil, comprises the following steps：
（1）By weight, 5 parts of dry mint plants are taken, is put into volatile oil extractor after being crushed with pulverizer, plus
Enter 15 parts of petroleum ether, under normal temperature condition, soak 2 hours；
（2）Again toward in volatile oil extractor plus 50 parts of pure water, at 80-100 DEG C, circulation is extracted 4 hours；
（3）Cold filtration, adds 5 parts of petroleum ether, 20 parts of pure water at 80-100 DEG C, to circulate and extract in filter residue
0.5 hour；
（4）Filter again, discard filter residue, merge filtrate twice, be transferred to rotary evaporator, evaporation removes petroleum ether, collects
Peppermint oil.
A kind of extracting method of peppermint oil, the boiling range specification of the petroleum ether is 60-90 DEG C.
Comparative example 1 is with the difference of embodiment 1：Comparative example 1 does not use ethanol in extraction process.
Comparative example 2,
A kind of extracting method of peppermint oil, comprises the following steps：
（1）By weight, 8 parts of dry mint plants are taken, is put into volatile oil extractor after being crushed with pulverizer, plus
Enter 8 parts of ethanol, under normal temperature condition, soak 3 hours；
（2）Again toward in volatile oil extractor plus 65 parts of pure water, at 80-100 DEG C, circulation is extracted 5 hours；
（3）Cold filtration, adds 4 parts of ethanol, 25 parts of pure water at 80-100 DEG C, to circulate extraction 1 small in filter residue
When；
（4）Filter again, discard filter residue, merge filtrate twice, be transferred to rotary evaporator, evaporating ethanol is collected thin
Lotus oil.
Comparative example 2 is with the difference of embodiment 2：Comparative example 2 does not use petroleum ether in extraction process.
Comparative example 3,
A kind of extracting method of peppermint oil, comprises the following steps：
（1）By weight, 10 parts of dry mint plants are taken, are put into volatile oil extractor after being crushed with pulverizer,
10 parts of petroleum ether and 30 parts of ethanol is added, under normal temperature condition, is soaked 4 hours；
（2）Again toward in volatile oil extractor plus 80 parts of pure water, at 80-100 DEG C, circulation is extracted 6 hours；
（3）Cold filtration, adds 5 parts of petroleum ether and 15 parts of ethanol, 30 parts of pure water, at 80-100 DEG C in filter residue
Under, circulation is extracted 1.5 hours；
（4）Filter again, discard filter residue, merge filtrate twice, be transferred to rotary evaporator, evaporation removes petroleum ether and second
Alcohol, collects peppermint oil.
A kind of extracting method of peppermint oil, the boiling range specification of the petroleum ether is 60-90 DEG C.
Comparative example 3 is with the difference of embodiment 3：Comparative example 3 changes the proportioning of petroleum ether and ethanol, and increased
Proportion of the ethanol in mixed solvent.
Comparative example 4,
A kind of extracting method of peppermint oil, comprises the following steps：
（1）By weight, 10 parts of dry mint plants are taken, are put into volatile oil extractor after being crushed with pulverizer,
10 parts of petroleum ether and 30 parts of ethanol is added, under normal temperature condition, is soaked 4 hours；
（2）Again toward in volatile oil extractor plus 80 parts of pure water, at 80-100 DEG C, circulation is extracted 6 hours；
（3）Cold filtration, adds 5 parts of petroleum ether and 15 parts of ethanol, 30 parts of pure water, at 80-100 DEG C in filter residue
Under, circulation is extracted 1.5 hours；
（4）Filter again, discard filter residue, merge filtrate twice, be transferred to rotary evaporator, evaporation removes petroleum ether and second
Alcohol, collects peppermint oil.
A kind of extracting method of peppermint oil, the boiling range specification of the petroleum ether is 30-60 DEG C.
Comparative example 4 is with the difference of embodiment 3：The boiling range specification of the petroleum ether that comparative example 4 is selected is 30-60 DEG C.
Comparative example 5,
Using traditional extraction by steam distillation Herba Menthae Haplocalycis volatile oil, 20 parts of peppermints for crushing are weighed by weight,
In putting volatile oil extractor, plus 100 parts of pure water, press《Chinese Pharmacopoeia》2000 editions annex XD determination of volatile oil methods extract volatilization
Oil.Extract 6 hours, collect peppermint oil.
Evaluated with the height of oil yield and menthol yield embodiment 1-3 and comparative example 1-3 technological parameter it is advanced
Property.
Oil yield=(peppermint weight of oil)/(weight of mint plants) × 100%；Menthol yield=oil yield × menthol
Content × 100%.Data are shown in Table 1.
Table 1：The parameter that Different Extraction Method extracts peppermint oil compares.
| Group | Oil yield（%） | Menthol content（%） | Menthol yield（%） |
| Embodiment 1 | 1.85 | 82.16 | 1.52 |
| Embodiment 2 | 1.88 | 82.09 | 1.54 |
| Embodiment 3 | 1.91 | 82.18 | 1.57 |
| Comparative example 1 | 1.54 | 81.65 | 1.26 |
| Comparative example 2 | 1.43 | 80.34 | 1.15 |
| Comparative example 3 | 1.61 | 81.84 | 1.32 |
| Comparative example 4 | 1.53 | 81.28 | 1.24 |
| Comparative example 5 | 1.14 | 78.93 | 0.90 |
Can be drawn to draw a conclusion by table 1：
1st, the peppermint oil extracting method described in embodiment 1-3, oil yield is in 1.85%-1.91% scopes, average oil yield
1.88%；Peppermint oil extracting method described in the comparative example 1-4 of changing section technological parameter, oil yield is in 1.43 %-1.61% models
Enclose, average oil yield is 1.53%, is the 81.4% of the average oil yields of embodiment 1-3；Comparative example 5 uses traditional steam distillation
Method, its oil yield is 1.14%, is the 60.6% of the average oil yields of embodiment 1-3；
2nd, the peppermint oil extracting method described in embodiment 1-3, menthol content is average thin in 82.09%-82.18% scopes
Lotus alcohol content is 82.14%；Peppermint oil extracting method described in the comparative example 1-4 of changing section technological parameter, menthol content exists
80.34 %-81.84% scopes, average menthol content is 81.28%, is the 98.9% of the average menthol contents of embodiment 1-3；It is right
Ratio 5 uses traditional steam distillation, and its menthol content is 78.93%, is the average oil yields of embodiment 1-3
96.1%；
3rd, the peppermint oil extracting method described in embodiment 1-3, menthol yield is in 1.52%-1.57% scopes, average peppermint
Alcohol yield is 1.54%；Peppermint oil extracting method described in the comparative example 1-4 of changing section technological parameter, menthol yield exists
1.15 %-1.32% scopes, average menthol yield is 1.24%, is the 80.5% of the average menthol yield of embodiment 1-3；Contrast
Example 5 uses traditional steam distillation, and its menthol yield is 0.90%, is the average menthol yield of embodiment 1-3
58.4%；
In sum, the extracting method of a kind of peppermint oil of the present invention, relative to traditional steam distillation,
Peppermint oil oil yield and menthol yield aspect have significant raising.
Claims (1)
1. a kind of extracting method of peppermint oil, comprises the following steps：
(1) by weight, 10 parts of dry mint plants are taken, is put into volatile oil extractor after being crushed with pulverizer, added
30 parts of petroleum ether and 10 parts of ethanol, under normal temperature condition, soak 4 hours, and the wherein boiling range specification of petroleum ether is 60-90 DEG C；
(2) again toward in volatile oil extractor plus 80 parts of pure water, at 80-100 DEG C, circulation is extracted 6 hours；
(3) cold filtration, the petroleum ether and 5 parts of ethanol of 10 parts of addition in filter residue, 30 parts of pure water, at 80-100 DEG C,
Circulation is extracted 1.5 hours, and the wherein boiling range specification of petroleum ether is 60-90 DEG C；
(4) filter again, discard filter residue, merge filtrate twice, be transferred to rotary evaporator, evaporation removes petroleum ether and ethanol, receives
Collection peppermint oil.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107828511A (en) * | 2017-10-24 | 2018-03-23 | 安徽恒达药业有限公司 | A kind of highly effective extraction method that natural menthence is extracted from peppermint |
| CN107723093A (en) * | 2017-10-24 | 2018-02-23 | 安徽恒达药业有限公司 | A kind of peppermint oil extraction and separation process of high oil recovery high-quality |
| CN111019757A (en) * | 2019-12-25 | 2020-04-17 | 安徽咱家田生态农业有限公司 | Production and processing method and processing equipment of peppermint oil |
| CN111481530A (en) * | 2020-06-10 | 2020-08-04 | 黄石燕舞药业有限公司 | Preparation method of matrix for producing emplastrum |
| CN113088408A (en) * | 2021-04-07 | 2021-07-09 | 四川兴望源商贸有限公司 | Automobile glass water for cleaning and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102344342A (en) * | 2010-08-06 | 2012-02-08 | 苏州瑞蓝博中药技术开发有限公司 | Method for extracting menthol from mint |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102344342A (en) * | 2010-08-06 | 2012-02-08 | 苏州瑞蓝博中药技术开发有限公司 | Method for extracting menthol from mint |
Non-Patent Citations (2)
| Title |
|---|
| 中药挥发油类成分提取分离研究概况;刘华刚等;《辽宁中医药大学学报》;20091130;第11卷(第11期);第5-6页 * |
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