CN102388987A - Ultrasound-assisted tea oil extraction method - Google Patents
Ultrasound-assisted tea oil extraction method Download PDFInfo
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- CN102388987A CN102388987A CN2011103051798A CN201110305179A CN102388987A CN 102388987 A CN102388987 A CN 102388987A CN 2011103051798 A CN2011103051798 A CN 2011103051798A CN 201110305179 A CN201110305179 A CN 201110305179A CN 102388987 A CN102388987 A CN 102388987A
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Abstract
The invention provides an ultrasound-assisted tea oil extraction method. Tea seeds are used as raw materials and the ultrasound-assisted tea oil extraction method comprises the following steps of: harvesting and sorting tea seeds, drying, shelling and crushing, sieving, weighing, adding an extraction solvent, performing ultrasound-assisted extraction, separating, evaporating and recovering the solvent, and obtaining tea oil. The extraction process is simple, processing cost is low, extraction efficiency is high, and tea-oil tree resources can be fully utilized.
Description
Technical field
The present invention relates to the method for distilling of tea oil, be specifically related to a kind of method of ultrasonic-assisted extraction tea oil.
Background technology
Oil tea (Camellia oleifera Abel.) is a Theaceae Camellia plant, originates from China, has long cultivation history, is and one of oil palm, olive and the coconut world four big woody edible oil sources seeds equally celebrated for their achievements.Tea oil (Camellia oil) is the edible oil that the mature seed of plant of theaceae oil tea is obtained through squeezing, has another name called tea-seed oil, camellia oil, is the distinctive woody grease of China, and the reputation of " treasure in the oil " is arranged from ancient times, and " east olive oil " laudatory title is more arranged.The content of unrighted acid in the tea oil---oleic acid, linoleic acid plus linolenic acid is the hat of various edible vegetable oils up to 83%～95%.Tea oil contains vitamin E, vitamin D, vitamin K and carrotene.Tea oil also contains bioactivators such as tsubakisaponin, Tea Polyphenols, squalene.
At present, the extraction grease generally has milling process, solvent lixiviation process or presses methods such as the back leaching combines earlier in advance from oil plant.But milling process cake slag resid amount is high, and oil yield efficiency is low, and process for refining is loaded down with trivial details, and the lixiviation process crude oil is impure many, and east of oil is undesirable.The research of solvent lixiviate at present is more, still, and ultrasonic-assisted extraction; Especially the preparation method that extracts grease in the large-scale production is actually rare; The hyperacoustic cavitation effect of invigoration effect main source that ultrasonic wave separates oil extraction, it can strengthen the mass transfer rate of extraction separation process, thereby helps the extraction of grease; Shorten extraction time, and can guarantee the quality of grease.
Do not adopt the method for ultrasonic-assisted extraction tea oil in the prior art.
Summary of the invention
The invention provides a kind of method of ultrasonic-assisted extraction tea oil.The tea oil time that this method is extracted is short, and gained tea oil quality is high.
The technical scheme that the present invention adopts is following:
A kind of method of ultrasonic-assisted extraction tea oil is characterized in that, may further comprise the steps:
(1) with tea seed under 40-60 ℃ of condition vacuum drying 1-2 hour;
(2) dried tea seed is shelled, pulverized the 40-50 mesh sieve;
(3) will pulverize the back raw meal and drop in the container, in container, add extractant, mix; Keep air-tight state, the container that will fill feed liquid again joins in the Extraction by Ultrasound device, and room temperature condition extracts 25-30min down; Improve temperature again to 50-65 ℃; 30-60min is extracted in insulation, and wherein, the feed liquid mass volume ratio (g/mL) of extraction is 1: 4-12;
(4) after extraction finished, suction filtration was removed the slag dregs of rice, gets the suction filtration mixed liquor;
(5) the suction filtration mixed liquor is centrifugalized 15-25min under the condition of 2300-2800r/min, the gained supernatant is an extract;
(6) the supernatant extract of collecting is used the rotary evaporator solvent removed by evaporation at reduced pressure, reclaim solvent simultaneously;
(7) will carry out vacuum drying except that the tea oil that desolvates at last, get final products tea oil.
The method of described ultrasonic-assisted extraction tea oil is characterized in that, the described extractant of step (3) is a n-hexane.
The present invention has the following advantages:
(1) extraction process is simple, meets the commercial production requirement;
(2) adopt ultrasonic-assisted extraction, shortened extraction time, improved efficient, method is reliable, and is stable;
(3) leaching process can omnidistance be controlled, and does not receive the influence of natural environment
(4) owing to adopt ultrasonic-assisted extraction, avoided the negative effect of HTHP and harmful substance, the intact preservation of gained tea oil each item nutritional labeling to tea oil output, quality.
The present invention is raw material with the tea seed, for the high efficiency extraction technology of tea oil provides theoretical foundation, the development and the resource synthetic development utilization of camellia oleiferaindustry is had positive facilitation.
The specific embodiment
Existing is example with the laboratory implementation, and non-limiting examples is narrated as follows:
Tea seed is dry under 40-60 ℃ of vacuum condition, and then shell, pulverize.Get the raw meal after 200g pulverizes, add 600mL n-hexane extractant, keep air-tight state, feed liquid joins in the Extraction by Ultrasound device simultaneously; Room temperature condition extracts down 30min, improves temperature to 55 ℃ again, and 45min is extracted in insulation; After extracting end, suction filtration is removed the slag dregs of rice; Obtain the suction filtration mixed liquor, centrifugal 20min under the condition of 2500r/min, gained supernatant are extract.With rotary evaporator reduction vaporization extract, reclaim solvent, obtain tea oil, again the tea oil that obtains is carried out vacuum drying, get final tea oil finished product.
The physical and chemical index contrast of ultrasonic auxiliary extraction method gained tea-seed oil
Claims (2)
1. the method for a ultrasonic-assisted extraction tea oil is characterized in that, may further comprise the steps:
(1) with tea seed under 40-60 ℃ of condition vacuum drying 1-2 hour;
(2) dried tea seed is shelled, pulverized the 40-50 mesh sieve;
(3) will pulverize the back raw meal and drop in the container, in container, add extractant, mix; Keep air-tight state, the container that will fill feed liquid again joins in the Extraction by Ultrasound device, and room temperature condition extracts 25-30min down; Improve temperature again to 50-65 ℃; 30-60min is extracted in insulation, and wherein, the feed liquid mass volume ratio (g/mL) of extraction is 1:4-12;
(4) after extraction finished, suction filtration was removed the slag dregs of rice, gets the suction filtration mixed liquor;
(5) the suction filtration mixed liquor is centrifugalized 15-25min under the condition of 2300-2800r/min, the gained supernatant is an extract;
(6) the supernatant extract of collecting is used the rotary evaporator solvent removed by evaporation at reduced pressure, reclaim solvent simultaneously;
(7) will carry out vacuum drying except that the tea oil that desolvates at last, get final products tea oil.
2. the method for ultrasonic-assisted extraction tea oil according to claim 1 is characterized in that, the described extractant of step (3) is a n-hexane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110305179 CN102388987B (en) | 2011-10-10 | 2011-10-10 | Ultrasound-assisted tea oil extraction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110305179 CN102388987B (en) | 2011-10-10 | 2011-10-10 | Ultrasound-assisted tea oil extraction method |
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| CN102388987A true CN102388987A (en) | 2012-03-28 |
| CN102388987B CN102388987B (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110305179 Expired - Fee Related CN102388987B (en) | 2011-10-10 | 2011-10-10 | Ultrasound-assisted tea oil extraction method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105505573A (en) * | 2016-01-27 | 2016-04-20 | 山西大学 | Ultrasonic-assisted method for extracting samara oil tree seed oil |
| CN106720472A (en) * | 2017-01-04 | 2017-05-31 | 盈江林立油茶有限责任公司 | The oil tea edible oil that a kind of step-down of invigorating blood circulation relaxes bowel |
| CN106720471A (en) * | 2017-01-04 | 2017-05-31 | 盈江林立油茶有限责任公司 | A kind of oil tea edible oil for pressing down the antitumor enhancing immunity of organisms of aging |
| CN107603729A (en) * | 2017-09-30 | 2018-01-19 | 三江县善茶轩工艺品有限公司 | The preparation method of camellia seed oil |
| CN108998203A (en) * | 2018-07-24 | 2018-12-14 | 姚志宇 | A kind of method that ultrasound on extracting-squeezing combines extraction sesame oil |
| CN111690459A (en) * | 2020-05-18 | 2020-09-22 | 六安市裕安区伊甸园油茶种植专业合作社 | Method for extracting tea seed oil |
| CN116473211A (en) * | 2023-04-21 | 2023-07-25 | 贵州布依丽吉油茶实业有限公司 | Preparation method of cold-pressed aromatic mountain tea oil-based pepper flavor oil |
-
2011
- 2011-10-10 CN CN 201110305179 patent/CN102388987B/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| 周倩等: "超声波辅助提取油茶籽油工艺条件研究", 《中国粮油学报》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105505573A (en) * | 2016-01-27 | 2016-04-20 | 山西大学 | Ultrasonic-assisted method for extracting samara oil tree seed oil |
| CN106720472A (en) * | 2017-01-04 | 2017-05-31 | 盈江林立油茶有限责任公司 | The oil tea edible oil that a kind of step-down of invigorating blood circulation relaxes bowel |
| CN106720471A (en) * | 2017-01-04 | 2017-05-31 | 盈江林立油茶有限责任公司 | A kind of oil tea edible oil for pressing down the antitumor enhancing immunity of organisms of aging |
| CN107603729A (en) * | 2017-09-30 | 2018-01-19 | 三江县善茶轩工艺品有限公司 | The preparation method of camellia seed oil |
| CN108998203A (en) * | 2018-07-24 | 2018-12-14 | 姚志宇 | A kind of method that ultrasound on extracting-squeezing combines extraction sesame oil |
| CN111690459A (en) * | 2020-05-18 | 2020-09-22 | 六安市裕安区伊甸园油茶种植专业合作社 | Method for extracting tea seed oil |
| CN116473211A (en) * | 2023-04-21 | 2023-07-25 | 贵州布依丽吉油茶实业有限公司 | Preparation method of cold-pressed aromatic mountain tea oil-based pepper flavor oil |
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|---|---|
| CN102388987B (en) | 2013-06-05 |
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