CN102517153A - Method for extracting litsea cubeba leaf essential oil - Google Patents
Method for extracting litsea cubeba leaf essential oil Download PDFInfo
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- CN102517153A CN102517153A CN2011104293525A CN201110429352A CN102517153A CN 102517153 A CN102517153 A CN 102517153A CN 2011104293525 A CN2011104293525 A CN 2011104293525A CN 201110429352 A CN201110429352 A CN 201110429352A CN 102517153 A CN102517153 A CN 102517153A
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Abstract
The invention relates to a method for extracting litsea cubeba leaf essential oil and solves problems of low litsea cubeba yield and insufficient supply of raw material for extracting litsea cubeba oil. The method comprises steps of: carrying out steam distillation and extraction on litsea cubeba leaves in a NaCl solution; condensing; and separating to obtain the litsea cubeba leaf essential oil. The essential oil product extracted by the method of the invention has high product purity and wide prospect as food additive or for development into a health product; the litsea cubeba leaf essential oil extraction and production efficiency reaches 2.08%; and the production cost is low, and the operation is simple. The method first employs litsea cubeba leaf as a raw material for extracting essential oil, has simple operations, low requirement on production equipment and high extraction efficiency. The essential oil product extracted by the method has high product purity and wide prospect as food additive or for development into a health product.
Description
Technical field
The present invention relates to a kind of mountain grey seed blade method of extraction of essential oil.
Background technology
The grey seed in mountain (
Litsea cubeba) have another name called Tetranthera citrata, be the defoliation small arbor of Lauraceae Litsea, mainly be distributed in each province, the south of the River such as China Hunan, Yunnan, Fujian, in India, Malaysia, also there is distribution in states such as Indonesia.The grey seed in mountain is a kind of important spices seeds, and its bark, fruit etc. can be used for refining fruit of cubeb litsea tree oil.The grey seed in mountain is the quick growing species of trees, and 4-5 gets into the best fruiting period, and every strain tree can produce fresh fruit 2-5kg in 1 year, and the oleaginousness of fresh fruit is on average at 4%-5%.Common litsea cubeba oil is little yellow; Wherein contain a large amount of itrals, have the intensive citrus scented, yet; One of subject matter that the grey seed industry in China mountain exists is exactly that the grey seed output in mountain is not high; Fruit of cubeb litsea tree oil extracts starving, thus the present invention to adopt the grey seed blade in mountain be raw material, to improving fruit of cubeb litsea tree oil extract raw material supply and promoting the grey seed in mountain all to have very important significance.
Summary of the invention
In order to address the above problem, the present invention has extracted a kind of mountain grey seed leaf essential oil process for extracting that to adopt the grey seed blade in mountain be raw material.
A kind of mountain of the present invention grey seed leaf essential oil process for extracting is characterized in that: the grey seed blade in mountain carries out water vapour distillation in NaCl solution, separates obtaining the grey seed leaf essential oil in mountain after the condensation.
Said NaCl solution quality concentration is 1.5%-4.0%.
Said method comprising the steps of:
(1) the grey seed blade in mountain is cut into 1.08 * 1.0-2.5 * 2.0 cm size;
(2) adding mass concentration is the NaCl solution of 1.5%-4.0%, in boiling water bath, extracts 1-3 hour, and condensation receives crude extract, with oil, water sepn;
(3) fluid that step (2) is obtained is put into-40 ℃～-20 ℃ refrigerator-freezers, leaves standstill 10-14 h, gets supernatant, promptly obtains the grey seed leaf essential oil in mountain.
Remarkable advantage of the present invention:
It is that raw material extracts essential oil that the present invention adopts the grey seed blade in mountain, and its principal constituent is α-terpinene (terpinolenes, CAS encode 586-62-9), different with mountain grey seed fruit essential oil principal constituent itral (CAS encode 5392-40-5).The essential oil product of utilizing present method to extract, product purity is high, becomes healthcare products as foodstuff additive or exploitation and has broad prospects.
Present method operation is simple, and is less demanding to production unit, extraction efficiency high (average extraction yield is approximately 2.06%).Use stable, the low production cost of essential oil product proterties that present method is extracted, be convenient to operation.
Description of drawings
Fig. 1 is the Persea cubeba leaf essential oil GC-MS collection of illustrative plates of embodiment 1; Wherein 6.95 represent α-terpinene, 8.70 expressions 1, and the 8-Terpane, 13.92 expressions (+/-)-terpenes-4-alcohol, 5.85 expression terpinolenes.
Fig. 2 is the Persea cubeba leaf essential oil GC-MS collection of illustrative plates of embodiment 2.
Fig. 3 is the Persea cubeba leaf essential oil GC-MS collection of illustrative plates of embodiment 3.
Specific embodiment
Below be practical implementation example of the present invention, further describe the present invention, but the present invention be not limited only to this.
Embodiment 1
The grey seed blade in mountain is cleaned, chopping 1.0cm, getting the broken blade adding of the grey seed in 100g mountain concentration is the aqueous solution 400ml of 1.5%NaCl; Place the steam distillation producer to handle 1.0h then, collect after the condensation and steam the slide crude extract, through separating funnel separating oil and water; Fluid is put into-30 ℃ of refrigerator-freezers, leaves standstill 10 h, deposition, gets supernatant; Promptly obtain the grey seed leaf essential oil in mountain, extracting yield is 1.98%.Detect evaluation (Fig. 1) through GC-MS, its staple is α-terpinene (56.52%), 1, and 8-Terpane (10.26%), (+/-)-terpenes-4-alcohol (5.63%), terpinolene compositions such as (5.08%).
Embodiment 2
The grey seed blade in mountain is cleaned, chopping 2.0cm, getting the broken blade adding of the grey seed in 100g mountain concentration is the aqueous solution 500ml of 2.5%NaCl; Place the steam distillation producer to handle 2.0h then, collect after the condensation and steam the slide crude extract, through separating funnel separating oil and water; Fluid is put into-30 ℃ of refrigerator-freezers, leaves standstill 12 h, deposition, gets supernatant; Promptly obtain the grey seed leaf essential oil in mountain, extracting yield is 2.13%.Detect evaluation (Fig. 2) through GC-MS, its staple is α-terpinene (53.42%), 1, and 8-Terpane (11.76%), (+/-)-terpenes-4-alcohol (5.13%), terpinolene compositions such as (4.98%).
Embodiment 3
The grey seed blade in mountain is cleaned, chopping 2.5cm, getting the broken blade adding of the grey seed in 100g mountain concentration is the aqueous solution 600ml of 3.5%NaCl; Place the steam distillation producer to handle 3.0h then, collect after the condensation and steam the slide crude extract, through separating funnel separating oil and water; Fluid is put into-30 ℃ of refrigerator-freezers, leaves standstill 15 h, deposition, gets supernatant; Promptly obtain the grey seed leaf essential oil in mountain, extracting yield is 2.06%.Detect evaluation (Fig. 3) through GC-MS, its staple is α-terpinene (52.15%), 1, and 8-Terpane (12.43%), (+/-)-terpenes-4-alcohol (4.83%), terpinolene compositions such as (4.41%).
Claims (3)
1. mountain grey seed leaf essential oil process for extracting, it is characterized in that: the grey seed blade in mountain carries out water vapour distillation in NaCl solution, separates obtaining the grey seed leaf essential oil in mountain after the condensation.
2. mountain according to claim 1 grey seed leaf essential oil process for extracting is characterized in that: said NaCl solution quality concentration is 1.5%-4.0%.
3. mountain according to claim 1 grey seed leaf essential oil process for extracting is characterized in that: said method comprising the steps of:
(1) the grey seed blade in mountain is cut into 1.08 * 1.0-2.5 * 2.0 cm size;
(2) adding mass concentration is the NaCl solution of 1.5%-4.0%, in boiling water bath, extracts 1-3 hour, and condensation receives crude extract, with oil, water sepn;
(3) fluid that step (2) is obtained is put into-40 ℃～-20 ℃ refrigerator-freezers, leaves standstill 10-14 h, gets supernatant, promptly obtains the grey seed leaf essential oil in mountain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011104293525A CN102517153A (en) | 2011-12-20 | 2011-12-20 | Method for extracting litsea cubeba leaf essential oil |
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| CN2011104293525A CN102517153A (en) | 2011-12-20 | 2011-12-20 | Method for extracting litsea cubeba leaf essential oil |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876449A (en) * | 2012-10-14 | 2013-01-16 | 河南理工大学 | Method for preparing bio-oil from Litsea pungens biomass by hydrothermal process |
| CN103184101A (en) * | 2012-12-21 | 2013-07-03 | 丘育宏 | Lisea cubeba essential oil and preparation method thereof as well as vehicle-mounted aromatic device comprising same |
| CN104611137A (en) * | 2015-01-16 | 2015-05-13 | 江汉大学 | Extraction method of chrysanthemum morifolium volatile oil |
| CN107361160A (en) * | 2017-09-14 | 2017-11-21 | 安顺鸿祥绿色产业有限责任公司 | A kind of processing method of edible wood ginger oil |
| CN108310147A (en) * | 2018-03-22 | 2018-07-24 | 河南城市园丁园艺有限公司 | A kind of essential oil of anti-inflammatory dissolving stasis |
| CN109097193A (en) * | 2018-07-31 | 2018-12-28 | 贵州省亚热带作物研究所 | Queensland nut essential oil and its extracting method |
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| CN101152995A (en) * | 2007-08-10 | 2008-04-02 | 上海应用技术学院 | Method of producing alpha- terpineol |
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| CN101152995A (en) * | 2007-08-10 | 2008-04-02 | 上海应用技术学院 | Method of producing alpha- terpineol |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876449A (en) * | 2012-10-14 | 2013-01-16 | 河南理工大学 | Method for preparing bio-oil from Litsea pungens biomass by hydrothermal process |
| CN103184101A (en) * | 2012-12-21 | 2013-07-03 | 丘育宏 | Lisea cubeba essential oil and preparation method thereof as well as vehicle-mounted aromatic device comprising same |
| CN104611137A (en) * | 2015-01-16 | 2015-05-13 | 江汉大学 | Extraction method of chrysanthemum morifolium volatile oil |
| CN107361160A (en) * | 2017-09-14 | 2017-11-21 | 安顺鸿祥绿色产业有限责任公司 | A kind of processing method of edible wood ginger oil |
| CN108310147A (en) * | 2018-03-22 | 2018-07-24 | 河南城市园丁园艺有限公司 | A kind of essential oil of anti-inflammatory dissolving stasis |
| CN109097193A (en) * | 2018-07-31 | 2018-12-28 | 贵州省亚热带作物研究所 | Queensland nut essential oil and its extracting method |
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Application publication date: 20120627 |