CN101285020B - Process for decoloring oil-tea camellia oil via bamboo charcoal - Google Patents
Process for decoloring oil-tea camellia oil via bamboo charcoal Download PDFInfo
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- CN101285020B CN101285020B CN2008100612233A CN200810061223A CN101285020B CN 101285020 B CN101285020 B CN 101285020B CN 2008100612233 A CN2008100612233 A CN 2008100612233A CN 200810061223 A CN200810061223 A CN 200810061223A CN 101285020 B CN101285020 B CN 101285020B
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Abstract
The invention relates to a method for decolorizing camellia seed oil by bamboo charcoals. Steps of the method are as follows: (1) impurity removal: the crude camellia seed oil undergoes a first filtration treatment for removing impurities, and the rough-filtrated crude oil is obtained; (2) alkali refining: the temperature of the rough-filtrated crude oil is up to 80 DEG C, and the sodium hydroxide which is dissolved by hot water with a temperature of between 70 and 90 DEG C is added in the rough-filtrated crude oil for removing impurities, and the alkali refining oil is obtained; (3) double water washings; (4) decolorizing: the rough-filtrated crude oil after double water washings is filtered and put in a decolorizing pot, the temperature of which is up to 140 DEG C, and the bamboo charcoals, the oil weight percent of which is 3 to 5 percent, are added in the decolorizing pot for decolorization, and the decolorizing oil is obtained; (5) deodorizing: the decolorizing oil is put in a deodorizing pot, and the refined camellia seed oil is obtained. The method has the advantages of simple processing technique, easy operation, safety and no pollution, and avoids odors generated by otherdecolorizers, improves the quality of tea oil and maintains sustainable development of ecological environment.
Description
Technical field
The invention belongs to tea oil deep processing field, mainly is a kind of with the method for bamboo charcoal to decoloring oil-tea camellia oil via.
Background technology
Camellia seed oil is nutritious, being that China is unique a kind ofly can contain oleic special oil with the height that the west sweet oil compares favourably, be described as " east first oil ", " sweet oil in east ", fatty acids (unsaturated fatty acids 93%, wherein oleic acid 83%, linolic acid 10%), camellianin, phospholipid and saponin, vitamin-E, carotene and other antioxidant, on every leading indicator near in addition surpass sweet oil, be considered to " vegetables oil of performance optimal ".Except edible, tea oil still is important chemical, medical starting material.All have wide practical use in industries such as food, industry, medicine, makeup.Demand to camellia seed oil constantly increases in recent years, welcome by the domestic and international market.
At present, the camellia seed oil that China produces is in the majority with crude oil, wherein contains plurality of impurities, and color is dark, poor transparency, and the band astringent taste, price is relatively low.The market price of camellia seed oil crude oil is 25-30 unit/kg, and refining tea-seed oil price reaches 60-70 unit/kg.
Usually need decolour in the camellia seed oil treating process to improve its transparency, used vegetables oil discoloring agent is generally atlapulgite both at home and abroad at present.Atlapulgite is to be raw material with natural potter's clay, form through adding various explained hereafter such as thermal bake-out again, price is higher, its adsorption bleaching ability is strong, use very extensive, but atlapulgite has oil absorbency, decolouring back carclazyte oil suction more (oil suction 50% approximately), because it is active high, when contacting, cause a small amount of hydrolysis of grease easily in addition with grease, cause decolouring back acid value of lipids to rise, and with the residual a kind of bilgy odour of meeting in the grease behind the activated decoloration, be difficult to remove, influence the mouthfeel and the quality of tea oil.By contrast, the adsorption effect of bamboo charcoal is better, and easily filters, behind the decolorizing and refining camellia seed oil clarification bright, free from extraneous odour.Along with people are more and more obvious to doting on of natural health food, utilize natural matter---the bamboo charcoal that bamboo is produced, decoloring oil-tea camellia oil via is handled, meet people's requirement, be subjected to consumers in general's acceptance and certainly.Bamboo plant has strong, the characteristics fast, become a useful person morning, Sustainable development of growing rapidly, grow into forest of asexual multiplication ability; There is abundant bamboo resource in China simultaneously, and the bamboo grove area of wherein southern Fujian, Jiangxi, Zhejiang, Hunan 4 provinces accounts for more than 50% of the whole nation.Utilizing bamboo to produce bamboo charcoal has abundant bamboo resource to guarantee, can obtain economic benefit, ecological benefits and social benefit, also can not damage environment and ecology simultaneously.With the discoloring agent of bamboo charcoal as camellia seed oil, not only can improve the quality of tea oil, also can promote the industrialization development and the lifting of bamboo resource greatly.
Summary of the invention
The present invention will solve the technological deficiency of discoloring agent in the above-mentioned existing camellia seed oil treating process, provide that a kind of what have better decolorizing effect is the method for discoloring agent to decoloring oil-tea camellia oil via with the bamboo charcoal, be applicable to the deep processing of tea oil, can provide new approach and technology for producing high-quality tea oil product, also be beneficial to the range of application of developing bamboo charcoal.It is characterized in that, use this natural matter of bamboo charcoal, can satisfy consumers in general's demand, also meet the national conditions and the resource situation of present China.
The objective of the invention is with the bamboo charcoal is discoloring agent, for the camellia seed oil decolouring provides a kind of new natural health raw material, to substitute the discoloring agent of conventional chemosynthesis, reaches purpose safely and efficiently.
The technical solution adopted for the present invention to solve the technical problems.This with the method for bamboo charcoal to decoloring oil-tea camellia oil via, this method steps is as follows:
(1), removal of impurities: rough camellia seed oil is carried out the filtration treatment first time, remove impurity and obtain the coarse filtration crude oil;
(2), alkali refining: the coarse filtration crude oil is warmed up to 80 ℃, adds in the coarse filtration crude oil with hot water dissolving's sodium hydroxide of 70 ℃-90 ℃, wherein the add-on of sodium hydroxide is 1 ‰ of a coarse filtration crude oil weight ratio, stirred 15-20 minute, left standstill 5-6 hour, and removed waste water and soap stock, filter and obtain alkali refining oil;
(3), secondary water washing: alkali refining oil is warmed up to 80 ℃, adds oil and weigh 5% 70 ℃-90 ℃ hot water, stirred 15 minutes, left standstill 2 hours, and removed waste water and soap stock, upper strata oil adds and carries out second time with the hot water of washing for the first time equivalent and wash, left standstill 2 hours, and removed sub-cloud waste water and soap stock;
(4), decolouring: through squeezing into Decolouring pot after the filtration of the oil of the coarse filtration after twice washing, be warming up to 140 ℃, add the heavy 3%-5% bamboo charcoal of oil and decolour, about the granular size 3mm of bamboo charcoal, under 0.1MPa, 120 ℃ of-140 ℃ of conditions, decoloured 20-30 minute, leave standstill 2 hours after-filtration, get bleached oil;
(5), deodorization: bleached oil enters the deodorization pot, deodorization pressure 0.1MPa, 140 ℃ of temperature, water vapour heating, deodorised oil is carried out vacuum filtration, obtains refining camellia seed oil.
The effect that the present invention is useful is: the present invention relates to use a kind of natural decoloring agent---bamboo charcoal, the camellia seed oil crude oil is made with extra care, obtain refining camellia seed oil.This natural matter of utilization bamboo charcoal is made discoloring agent, meets the national conditions and the resource situation of present China.Complete processing of the present invention is simpler, and is easy to operate, and safety non-pollution has avoided other discoloring agents to produce the problem of peculiar smell, has improved the quality of tea oil, has also kept the Sustainable development of ecotope.
Description of drawings
Fig. 1 is a process flow diagram of the present invention;
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.
Embodiment 1: of the present invention this with the method for bamboo charcoal to decoloring oil-tea camellia oil via, concrete steps are as follows:
1, removal of impurities: rough camellia seed oil contains saponin, pigment, hydro carbons, superoxide, free fatty acids etc., the partial impurities of removing in the rough camellia seed oil by the plate and frame filter obtains the coarse filtration crude oil, rough camellia seed oil is to be raw material with the tea seed, the camellia seed oil that adopts milling process to obtain.
2, alkali refining: the coarse filtration crude oil is warmed up to 80 ℃, add in the coarse filtration crude oil with 70 ℃-90 ℃ hot water (general and oily temperature is close) dissolved hydrogen sodium oxide, wherein the add-on of sodium hydroxide is 1 ‰ of a coarse filtration crude oil weight ratio, stirred 15-20 minute, left standstill 5-6 hour, remove waste water and soap stock (soap stock, the product of oil and fat refining, mainly comprise fatty acid sodium salt, moisture and lactones thing and a spot of oil), filter and obtain alkali refining oil;
3, washing (twice): the coarse filtration oil after will filtering is warmed up to 80 ℃, add oil and weigh 5% 70 ℃-90 ℃ hot water, stirred 15 minutes, left standstill 2 hours, remove waste water and soap stock, upper strata oil adds with the hot water of washing for the first time equivalent again and carries out washing second time, leaves standstill 2 hours, except that sub-cloud waste water and soap stock;
4, decolouring: through squeezing into Decolouring pot after the filtration of the oil of the coarse filtration after twice washing, be warming up to 140 ℃, adding oil weighs 3% bamboo charcoal and decolours, and about bamboo charcoal particle size 3mm, at 0.1MPa, 140 ℃ decoloured 30 minutes down, left standstill 2 hours after-filtration, got bleached oil;
5, deodorization: bleached oil enters the deodorization pot, deodorization pressure 0.1MPa, and 140 ℃ of temperature, the water vapour heating, the deodorised oil vacuum filtration obtains refining camellia seed oil.
Process flow sheet of the present invention as shown in Figure 1, camellia seed oil crude oil → washing, alkali refining → filtration → twice washing → filtration → decolouring → filtration → deodorization → vacuum filtration → refining camellia seed oil.
Embodiment 2: be with the difference of embodiment 1: the concrete processing parameter that is adopted is different.The add-on of discoloring agent is that oil is heavy by 4%, 130 ℃ of bleaching temperatures, bleaching time 25min.
Embodiment 3: be with the difference of embodiment 1: the concrete processing parameter that is adopted is different.The add-on of discoloring agent is that oil is heavy by 5%, 120 ℃ of bleaching temperatures, bleaching time 20min.
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 (3)
1. one kind with the method for bamboo charcoal to decoloring oil-tea camellia oil via, and it is characterized in that: this method steps is as follows:
(1), removal of impurities: rough camellia seed oil is carried out the filtration treatment first time, remove impurity and obtain the coarse filtration crude oil;
(2), alkali refining: the coarse filtration crude oil is warmed up to 80 ℃, adds in the coarse filtration crude oil with hot water dissolving's sodium hydroxide of 70 ℃-90 ℃, wherein the add-on of sodium hydroxide is 1 ‰ of a coarse filtration crude oil weight, stirred 15-20 minute, left standstill 5-6 hour, and removed waste water and soap stock, filter and obtain alkali refining oil;
(3), secondary water washing: alkali refining oil is warmed up to 80 ℃, adds oil and weigh 5% 70 ℃-90 ℃ hot water, stirred 15 minutes, left standstill 2 hours, and removed waste water and soap stock, upper strata oil adds and carries out second time with the hot water of washing for the first time equivalent and wash, left standstill 2 hours, and removed sub-cloud waste water and soap stock;
(4), decolouring: squeeze into Decolouring pot after filtering through the coarse filtration after twice washing oil, be warming up to 140 ℃, the bamboo charcoal that adds the heavy 3%-5% of oil decolours, and in 0.1MPa, 120 ℃-140 ℃ decolouring 20-30 minute down, leaves standstill 2 hours after-filtration, bleached oil;
(5), deodorization: bleached oil enters the deodorization pot, deodorization pressure 0.1MPa, 140 ℃ of temperature, water vapour heating, deodorised oil is carried out vacuum filtration, obtains refining camellia seed oil.
2. according to claim 1 with the method for bamboo charcoal to decoloring oil-tea camellia oil via, it is characterized in that: described rough camellia seed oil is to be raw material with the tea seed, the camellia seed oil that adopts milling process to obtain.
3. according to claim 1 with the method for bamboo charcoal to decoloring oil-tea camellia oil via, it is characterized in that: in first time filtration treatment, adopt the plate and frame filter to remove impurity in the crude oil.
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| CN2008100612233A CN101285020B (en) | 2008-03-18 | 2008-03-18 | Process for decoloring oil-tea camellia oil via bamboo charcoal |
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| CN2008100612233A CN101285020B (en) | 2008-03-18 | 2008-03-18 | Process for decoloring oil-tea camellia oil via bamboo charcoal |
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| CN101285020A CN101285020A (en) | 2008-10-15 |
| CN101285020B true CN101285020B (en) | 2010-11-10 |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101878820B (en) * | 2009-05-08 | 2013-07-10 | 常山富而康山茶油有限公司 | Method for refining camellia oil with high nutrient content |
| CN101864340B (en) * | 2009-06-17 | 2012-07-25 | 常山富而康山茶油有限公司 | Refining method for camellia oil with high nutrient content |
| CN103113985B (en) * | 2011-10-25 | 2014-01-15 | 李文东 | Process for manufacturing high-quality tea oil |
| CN102504942B (en) * | 2011-10-25 | 2013-07-10 | 李文东 | Process for preparing high quality tea oil |
| CN104946381A (en) * | 2015-06-26 | 2015-09-30 | 蚌埠市江淮粮油有限公司 | Processing technology of rapeseed oil |
| CN105505578A (en) * | 2015-07-02 | 2016-04-20 | 邓次柏 | Production technology for bamboo-charcoal sesame oil and rapeseed oil |
| CN105713722A (en) * | 2016-03-31 | 2016-06-29 | 中粮（成都）粮油工业有限公司 | Refinement and purification method of rice bran crude oil |
| CN105820876A (en) * | 2016-03-31 | 2016-08-03 | 中粮（成都）粮油工业有限公司 | Method for oil and fat refining |
| CN105820877A (en) * | 2016-03-31 | 2016-08-03 | 中粮（成都）粮油工业有限公司 | Crude peanut oil refining method |
| CN105713723A (en) * | 2016-03-31 | 2016-06-29 | 中粮（成都）粮油工业有限公司 | Crude oil refining method |
| CN105713724A (en) * | 2016-03-31 | 2016-06-29 | 中粮（成都）粮油工业有限公司 | Rapeseed oil refining process |
| CN106336941A (en) * | 2016-09-13 | 2017-01-18 | 江苏农林职业技术学院 | Preparation method of tea seed oil for cosmetics |
| CN107189856A (en) * | 2017-06-24 | 2017-09-22 | 湖北省龙湖源木本油料开发有限公司 | A kind of discoloration method of camellia oil |
| CN116120982A (en) * | 2021-11-12 | 2023-05-16 | 贵州黔山玉液山茶油有限责任公司 | Preparation method of zinc-selenium-enriched camellia oil |
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