CN101768511B - Low-temperature refining method for tea seed oil and refining adsorbent - Google Patents
Low-temperature refining method for tea seed oil and refining adsorbent Download PDFInfo
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- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 20
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- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
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- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 241000209507 Camellia Species 0.000 description 1
- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 1
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- Fats And Perfumes (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to a low-temperature refining method for tea seed oil, which is characterized by comprising the following steps of: (1) placing rough tea seed oil into a refining kettle and heating to be not higher than 85 DEG C at normal pressure; (2) adding an adsorbent into the refining kettle; (3) refining for 13-35 minutes; and (4) filtering and separating the adsorbent by an oil filter of 1-5 microns to obtain the refined tea seed oil. The adsorbent adopts active carbon, silica gel and modified bentonite with different hole diameters. By using the process, impurities, such as freefatty acid, different pigments, phospholipid, and the like in the rough tea seed oil are adsorbed by the adsorbent, the aim of refining the tea seed oil is achieved by filtration and separation, traditional processes, such as degumming, deacidification, decoloration, deodorization, and the like are replaced, the refining procedures are reduced, the production period is shortened, the oil yield ofthe refined tea seed oil is improved, biological active substances and nutritional components in the tea seed oil are stored at maximum and the quality and the healthy function of the product tea seed oil are improved.
Description
Technical field:
The invention belongs to the refining raw food oil field, particularly a kind of low-temperature refining method for tea seed oil and refining sorbent material thereof.
Background technology:
Tea-seed oil is nutritious, it is the unique a kind of special oil that can contain with the height that the west sweet oil compares favourably oleic acid of China, be described as " east the first oil ", " sweet oil in east ", fatty acids (unsaturated fatty acids 93%, wherein oleic acid 83%, linolic acid 10%), phospholipid and saponin, vitamin-E, carotene and other antioxidant, approach even surpass sweet oil in every leading indicator, be considered to " vegetables oil of performance optimal ".Except edible, tea oil or important chemical industry, medical starting material.All have wide practical use in industries such as food, industry, medicine, makeup.In recent years the demand of camellia seed oil constantly increased, welcome by the domestic and international market.
At present, tea-seed oil generally adopts following Technology to carry out refining:
Hair tea-seed oil → filter → come unstuck → alkali white silk → washing → decolouring → deodorization → refining tea-seed oil.Above-mentioned technique needs high temperature and vacuum condition, so facility investment is high, and processing requirement is relatively harsher, and the grease yield is lower, and refining process can produce waste water; Under 240 ℃ of hot conditionss, carry out the refining meeting and make the active substance in the tea-seed oil be subject to very large destruction, can produce harmful trans fatty acid simultaneously; On the other hand, excessively dark in order to prevent tea-seed oil degree of oxidation in the high temperature refining process, usually in refining process, add the oxidation inhibitor of synthetic, make tea-seed oil lose the feature of pure natural, greatly reduce nourishing function and the using value of tea-seed oil.
Summary of the invention:
The objective of the invention is to invent a kind of tea-seed oil method of refining and refining sorbent material thereof under low temperature environment, utilize sorbent material to the impurity such as hair tea-seed oil free fatty acid, various pigment, phosphatide adsorb, filtering separation.
Technical solution of the present invention is achieved in that a kind of low-temperature refining method for tea seed oil, it is characterized in that adopting the following step:
(1) get a mao tea-seed oil and put into the refining still, normal pressure is heated and is not higher than 85 ℃;
(2) add sorbent material in the refining still, stir while adding, the adsorbent weight of adding is the 5-15% of gross tea seed weight of oil;
(3) refining time is at 13-35 minute, the refining process uniform stirring, and stirring velocity is controlled at 2000-3000 and turns/hour;
(4) filter, adopt the oil filter of 1-5 μ m that absorbent filtering is separated, namely get the refining tea-seed oil.
In refinement step, the temperature of hair tea-seed oil is to be lower than 85 ℃ temperature constant state.
The related sorbent material of above-mentioned tea-seed oil low-temperature refining, its composition and weight ratio are:
Activated carbon granule: 20-120 order, 0-35%
Powdered carbon: 200-500 order, 15-35%
Silica gel: 100-200 order, 15-25%
Silica gel: 60-100 order, 15-25%
The sorbent material preferred weight ratio is:
Activated carbon granule: 20-120 order, 5-15%
Powdered carbon: 200-500 order, 20-30%
Silica gel: 100-200 order, 15-20%
Silica gel: 60-100 order, 20-25%
Modified alta-mud: 200-325 order, 10-20%
Each composition mechanism of action of sorbent material is respectively: gac plays decolouring, deodorization functions; The silica gel effect is dehydration, and deodorization can be removed some impurity that gac can not remove; Modified alta-mud plays deacidification.Integrated using reaches the refining purpose of mao tea-seed oil, according to the difference of the impure composition of hair tea-seed oil, suitably regulates the content ratio of each composition of sorbent material, and can reach neither wastes sorbent material, can satisfy again the requirement of refining.
Technological design of the present invention is reasonable, sorbent material prescription screening science, refining time is short, and be the low-temperature atmosphere-pressure refining, the simple characteristics of required auxiliary facility, take full advantage of different pore size material in the sorbent material, to hair tea-seed oil free fatty acid, various pigments, the impurity such as phosphatide adsorb, and pass through filtering separation, realize the purpose of tea-seed oil refining, substitute traditional coming unstuck, depickling, decolouring, the techniques such as deodorization, reduced refining procedure, shorten the production cycle, improve the oil yield of refining tea-seed oil, and farthest preserve biologically active substance and nutritive ingredient in the tea-seed oil, improved quality and the nourishing function of product tea-seed oil.
Embodiment:
Embodiment one:
The tea-seed oil of 500g cold press is poured in the 1L refining still with water bath heating device; adding is by 300 order powdered carbon 10g, 100 order granulated active carbon 15g, 120 order silica gel 8g, 70 order silica gel 12g, the composite sorbent material of 200 order modified alta-mud 5g; temperature is elevated to 70 ℃ and keep constant temperature; start agitator; rotating speed be 3000 turn/hour; refining 25 minutes; tea-seed oil is transferred to oil filter; be that the oil filter of 5 μ m carries out filtering separation by aperture of filter screen; obtain colourlessly, transparent, quality meets the tea-seed oil of country-level standard.
Embodiment two
The tea-seed oil of 500g cold press is poured in the 1L refining still with water bath heating device; adding is by 300 order powdered carbon 10g, 100 order granulated active carbon 5g, 120 order silica gel 5g, 70 order silica gel 5g, the composite sorbent material of 200 order modified alta-mud 5g; temperature is elevated to 80 ℃ and keep constant temperature; start agitator; rotating speed 3000 turns/hour; refining 30 minutes; tea-seed oil is transferred to oil filter; be that the oil filter of 5 μ m carries out filtering separation by aperture of filter screen; obtain colourlessly, transparent, quality meets the tea-seed oil of country-level standard.
Embodiment three
The tea-seed oil of 1000g cold press is poured in the 2L refining still with water bath heating device; adding is by 400 order powdered carbon 20g, 100 order granulated active carbon 8g, 120 order silica gel 8g, 70 order silica gel 8g, the composite sorbent material of 200 order modified alta-mud 8g; temperature is elevated to 85 ℃ and keep constant temperature; start agitator; rotating speed 3000 turns/hour; refining 35 minutes; tea-seed oil is transferred to oil filter; be that the oil filter of 1 μ m carries out filtering separation by aperture of filter screen; obtain colourlessly, transparent, quality meets the tea-seed oil of country-level standard.
Example example four
The tea-seed oil of 500g expeller squeezing is poured in the 1L refining still with water bath heating device, adding is by 300 order powdered carbon 25g, 120 order silica gel 5g, 70 order silica gel 5g, the composite sorbent material of 200 order modified alta-mud 5g, temperature is elevated to 75 ℃ and keep constant temperature, start agitator, rotating speed 3000 turns/hour, refining 25 minutes, tea-seed oil is transferred to oil filter, be that the oil filter of 5 μ m carries out filtering separation by aperture of filter screen, obtain colourlessly, transparent, quality meets the tea-seed oil of country-level standard.
Embodiment five
The tea-seed oil of 500g expeller squeezing is poured in the 1L refining still with water bath heating device; adding is by 300 order powdered carbon 15g, 100 order granulated active carbon 12g, 120 order silica gel 8g, 70 order silica gel 12g, the composite sorbent material of 200 order modified alta-mud 5g; temperature is elevated to 70 ℃ and keep constant temperature; start agitator; rotating speed be 3000 turn/hour; refining 25 minutes; tea-seed oil is transferred to oil filter; be that the oil filter of 5 μ m carries out filtering separation by aperture of filter screen; obtain colourlessly, transparent, quality meets the tea-seed oil of country-level standard.
Embodiment six
The tea-seed oil of 500g expeller squeezing is poured in the 1L refining still with water bath heating device; adding is by 300 order powdered carbon 20g, 100 order granulated active carbon 7g, 120 order silica gel 8g, 70 order silica gel 12g, the composite sorbent material of 200 order modified alta-mud 5g; temperature is elevated to 80 ℃ and keep constant temperature; start agitator; rotating speed be 3000 turn/hour; refining 15 minutes; tea-seed oil is transferred to oil filter; be that the oil filter of 5 μ m carries out filtering separation by aperture of filter screen; obtain colourlessly, transparent, quality meets the tea-seed oil of country-level standard.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (1)
1. low-temperature refining method for tea seed oil is characterized in that adopting the following step:
(1) get a mao tea-seed oil and put into the refining still, normal pressure is heated and is not higher than 85 ℃ temperature constant state;
(2) add sorbent material in the refining still, stir while adding, the adsorbent weight of adding is the 5-15% of gross tea seed weight of oil;
(3) refining time is at 13-35 minute, the refining process uniform stirring, and stirring velocity is controlled at 2000-3000 and turns/hour;
(4) filter, adopt the oil filter of 1-5 μ m that absorbent filtering is separated, namely get the refining tea-seed oil;
Composition and the weight ratio of described sorbent material are:
Activated carbon granule: 20-120 order, 0-35%
Powdered carbon: 200-500 order, 15-35%
Silica gel: 100-200 order, 15-25%
Silica gel: 60-100 order, 15-25%
Modified alta-mud: 200-325 order, 5-15%.
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| CN 201010101932 CN101768511B (en) | 2010-01-27 | 2010-01-27 | Low-temperature refining method for tea seed oil and refining adsorbent |
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| CN 201010101932 CN101768511B (en) | 2010-01-27 | 2010-01-27 | Low-temperature refining method for tea seed oil and refining adsorbent |
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| CN101768511A CN101768511A (en) | 2010-07-07 |
| CN101768511B true CN101768511B (en) | 2013-02-06 |
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Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101914413A (en) * | 2010-04-06 | 2010-12-15 | 福建师范大学 | Low-temperature refining method of tea seed oil |
| CN101880596A (en) * | 2010-07-13 | 2010-11-10 | 中国农业科学院油料作物研究所 | Method for preparing oil at low temperature |
| CN101979484B (en) * | 2010-11-05 | 2012-10-03 | 中国农业科学院油料作物研究所 | Method for refining pressing flaxseed oil through solid adsorption and vacuum filtration |
| CN102212417A (en) * | 2011-05-16 | 2011-10-12 | 四川农业大学 | Method for effectively refining camellia oil |
| CN102311871A (en) * | 2011-08-08 | 2012-01-11 | 河南工业大学 | Sesame oil dehydration method and device |
| CN102599264B (en) * | 2012-03-09 | 2013-10-09 | 山东渤海实业股份有限公司 | Preparation method for DHA (Docosahexenoic Acid)-fortified soybean oil |
| CN102682869B (en) * | 2012-04-11 | 2015-01-07 | 中国电力科学研究院 | Preparation method of vegetable insulating oil |
| CN103215123B (en) * | 2013-04-03 | 2014-05-28 | 长沙理工大学 | Simple degumming method of concentrated-fragrance colza oil |
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| CN103937543A (en) * | 2014-04-21 | 2014-07-23 | 沈阳化工大学 | Decoloring and deodorizing method of pyrolysis oil of waste tyres |
| CN105567412A (en) * | 2015-12-16 | 2016-05-11 | 镇江市丹徒区茗缘茶叶专业合作社 | Method for processing tea seed oil and tea seed oil made by the method |
| EP3487959A4 (en) * | 2016-07-25 | 2020-02-19 | The Governors of the University of Alberta | Methods for producing hydrocarbon compositions with reduced acid number and for isolating short chain fatty acids |
| CN107057852B (en) * | 2017-06-27 | 2021-01-05 | 管天球 | Preparation method of unsaturated fatty acid tea oil |
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| CN107494770A (en) * | 2017-09-30 | 2017-12-22 | 福建师范大学 | A kind of pregnant woman oil and its processing technology |
| 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 |
| CN107474936A (en) * | 2017-09-30 | 2017-12-15 | 福建师范大学 | A kind of pregnant woman's later stage of pregnancy edible oil and its processing technology |
| CN109957448A (en) * | 2017-12-26 | 2019-07-02 | 丰益(上海)生物技术研发中心有限公司 | A kind of crude oil cleaning technology |
| CN108659954B (en) * | 2018-04-09 | 2021-11-19 | 浙江省农业科学院 | Production method of tea seed refined oil |
| CN108485810A (en) * | 2018-04-11 | 2018-09-04 | 安徽德运粮油有限公司 | The ultrasonic wave auxiliary refining method of one vegetable oil |
| CN112408390B (en) * | 2020-11-20 | 2022-10-18 | 西北化工研究院有限公司 | Method for preparing activated carbon adsorbent from kerosene co-refining residues |
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| CN1075981A (en) * | 1993-03-06 | 1993-09-08 | 唐志敏 | Plant oil clarifying agent and preparation method thereof |
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