CN110903902A - Method for refining organic camellia oil with rich nutrition - Google Patents
Method for refining organic camellia oil with rich nutrition Download PDFInfo
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- CN110903902A CN110903902A CN201911321971.5A CN201911321971A CN110903902A CN 110903902 A CN110903902 A CN 110903902A CN 201911321971 A CN201911321971 A CN 201911321971A CN 110903902 A CN110903902 A CN 110903902A
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- oil
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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
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
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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
- C11B3/00—Refining fats or fatty oils
- C11B3/02—Refining fats or fatty oils by chemical reaction
-
- 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
- C11B3/00—Refining fats or fatty oils
- C11B3/10—Refining fats or fatty oils by adsorption
Abstract
The invention discloses a method for refining organic camellia oil with rich nutrition, and relates to the technical field of refining organic camellia oil; the problems that equipment investment is large and product oil loss is large are solved; the method specifically comprises the following steps: selecting full camellia seeds without worm damage, mildew and peculiar smell, wrapping camellia seeds with filter cloth at normal temperature, filtering crude oil of the camellia seeds under the action of gravity, pressure, vacuum or centrifugal force, and repeatedly filtering the crude oil of the camellia seeds more than once to ensure that the impurity content in the crude oil of the camellia seeds is less than 0.2 wt%. The method uses the saturated salt solution for degumming, does not have the problems of solvent residue, harm to human bodies and the like, and can accelerate the coagulation of non-hydrophilic phospholipid by adding the salt solution and quickly remove the phospholipid by a sedimentation method; the salt is cheap and suitable for industrial production, and its degumming can reduce the difficulty of recovering oil from oil residue and obtain raw material for preparing edible phosphatide.
Description
Technical Field
The invention relates to the technical field of organic camellia oil refining, in particular to a method for refining organic camellia oil with rich nutrition.
Background
The camellia oil is rich in vitamin A, vitamin B, vitamin C, vitamin E and various trace elements beneficial to human bodies; however, in order to obtain high-grade tea seed oil, the tea seed oil must be refined, impurities in crude oil exist, the edible value and safe storage of oil are affected, and the deep processing is difficult, but the refining aim is to remove not all impurities in the tea oil, but impurities which are harmful to eating, storage, industrial production and the like; the oil refining is relatively complex and flexible work, and an appropriate refining method must be selected according to the purpose of oil refining and considering both technical conditions and economic benefits so as to prepare high-grade tea seed oil.
The Chinese patent application No. 201710944144.6 discloses a preparation method of nutritional camellia oil for infants, which comprises eleven steps of screening, drying, shelling, squeezing, filtering, deacidifying, washing, dehydrating, decolorizing, deodorizing and dewaxing to prepare the nutritional camellia oil for infants, and the utilization rate of camellia seeds is improved by regulating and controlling process parameters.
The preparation method of the infant nutritional camellia oil in the patent has the following defects: the squeezed crude tea seed oil is subjected to high-temperature vacuum decolorization and high-temperature vacuum deodorization processing, so that a large amount of effective ingredients such as tocopherol, squalene, sterol and the like in the tea seed oil can be lost, the period is long, the equipment investment is large, and the loss of finished oil is large.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a method for refining organic camellia oil with rich nutrition.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for refining organic camellia oil rich in nutrition comprises the following steps:
s1: selecting full camellia seeds without worm damage, mildew and peculiar smell, wrapping camellia seeds with filter cloth at normal temperature, filtering crude camellia oil by virtue of gravity, pressure, vacuum or centrifugal force, and repeatedly filtering the crude camellia oil for more than one time to ensure that the impurity content in the crude camellia oil is less than 0.2 wt%;
s2: taking 100 parts by weight of raw tea oil, feeding the raw tea oil into an alkali refining pot, uniformly stirring at the stirring speed of 60-70 r/min and the stirring temperature of 30-40 ℃, adding a saturated salt aqueous solution in the stirring process for neutralization reaction, and standing and precipitating for 2-4 hours after the reaction is finished;
s3: heating the raw tea oil obtained in the step S2 to 50-60 ℃, adding 2-3 parts by weight of 12% sodium hydroxide solution at the rotating speed of 60-70 r/min, stirring for 20min, and then reducing the rotating speed to 30-35 r/min; adding 10-15 parts of water with the temperature of 60-70 ℃, continuously stirring for 20min, standing for 2-4 h, and removing water and soapstock by a settling separation method;
s4: dehydrating the oil obtained in the step S3 at the temperature of 90-95 ℃ for 30-40 min under the condition of 3.5-6.3 Kpa;
s5: s4, feeding the oil obtained in the step S into a decoloring pot, heating the crude tea seed oil to 80-90 ℃, pumping argil under the condition of 0.055-0.060 Mpa, stirring for 20-30 min, cooling, and pumping into a filter press for filter pressing;
s6: and (3) heating the crude camellia oil obtained in the step to 70-80 ℃, adding silica gel particles at the rotating speed of 60r/min, stirring for 1-2 h, standing for 3-7 h, and filtering to obtain the organic camellia oil.
Preferably: in the step of S1, the camellia oleifera seeds are pressed to prepare the crude oil.
Preferably: the squeezing method comprises the following steps:
s11: heating the camellia seeds by adopting steam, controlling the pressure to be 0.15-0.25 Mpa, and drying until the water content of the camellia seeds is 3-5%;
s12: husking by using a camellia seed husking machine;
s13: sending the shelled camellia seeds into a low-temperature squeezer to obtain crude oil;
s14: and filtering the crude oil by using a filter to obtain crude oil.
Preferably: the shelling standard of the camellia seed shelling machine is that the whole kernel rate after shelling is more than or equal to 99%.
Preferably: the pressing temperature of the camellia seeds sent into the low-temperature presser is controlled to be 60-70 ℃.
Preferably: the filtering temperature of the filter for filtering the crude oil is 35-40 ℃.
Preferably: a method for refining organic camellia oil rich in nutrition comprises the following steps:
s1: selecting full camellia seeds without worm damage, mildew and peculiar smell, wrapping camellia seeds with filter cloth at normal temperature, filtering crude camellia oil by virtue of gravity, pressure, vacuum or centrifugal force, and repeatedly filtering the crude camellia oil for more than one time to ensure that the impurity content in the crude camellia oil is less than 0.2 wt%;
s2: taking 100 parts by weight of raw tea oil, feeding the raw tea oil into an alkali refining pot, uniformly stirring at the stirring speed of 65r/min and the stirring temperature of 35 ℃, adding a saturated salt aqueous solution in the stirring process to perform a neutralization reaction, and standing and precipitating after the reaction is finished, wherein the precipitation time is 2.5 hours;
s3: heating the raw tea oil obtained in the step S2 to 40 ℃, adding 2.5 parts by weight of 12% sodium hydroxide solution at the rotating speed of 65r/min, stirring for 20min, and then reducing the rotating speed to 30 r/min; adding 12 parts of 65 ℃ water, continuing stirring for 20min, standing for 2.5h, and removing water and soapstock by a settling separation method;
s4: dehydrating the oil obtained in the step S3 at the temperature of 93 ℃ for 35min under the condition of 3.5-6.3 Kpa;
s5: feeding the oil obtained in the step S4 into a decoloring pot, heating the crude tea seed oil to 85 ℃, pumping argil under the condition of 0.055-0.060 Mpa, stirring for 25min, cooling, and pumping into a filter press for filter pressing;
s6: and (S5) heating the crude tea oil obtained in the step to 75 ℃, adding silica gel particles at the rotating speed of 60r/min, stirring for 1-2 h, standing for 3-7 h, and filtering to obtain the organic camellia oil.
The invention has the beneficial effects that:
1. the degumming by using the saturated salt solution does not have the problems of solvent residue, harm to human bodies and the like, and the addition of the salt solution can accelerate the coagulation of the non-hydrophilic phospholipid and can quickly remove the phospholipid by a sedimentation method; the salt is cheap and suitable for industrial production, and its degumming can reduce the difficulty of recovering oil from oil residue and obtain raw material for preparing edible phosphatide.
2. The silica gel is used as the adsorbent, and the decoloring and deodorization are simultaneously carried out by a physical method, so that the loss of effective components such as tocopherol, squalene, sterol and the like in the tea seed oil caused by high-temperature vacuum decoloring and high-temperature vacuum deodorization processing in the traditional process is avoided, and the process flow is also shortened; the silica gel is nontoxic and can be recycled, the harm to human bodies is small, the investment of required equipment is small, the operation is simple, the control is easy, and the cost and the labor are saved.
3. The utilization rate of the camellia seeds is improved by regulating and controlling the process parameters; the camellia oil contains unsaturated fatty acid more than 90%, and also contains abundant vitamin A, D, E and multiple trace elements.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent disclosure, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The following description of the embodiments is merely exemplary in nature and is in no way intended to limit the present disclosure.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
a method for refining organic camellia oil rich in nutrition comprises the following steps:
s1: selecting full camellia seeds without worm damage, mildew and peculiar smell, wrapping camellia seeds with filter cloth at normal temperature, filtering crude camellia oil by virtue of gravity, pressure, vacuum or centrifugal force, and repeatedly filtering the crude camellia oil for more than one time to ensure that the impurity content in the crude camellia oil is less than 0.2 wt%;
s2: taking 100 parts by weight of raw tea oil, feeding the raw tea oil into an alkali refining pot, uniformly stirring at the stirring speed of 60-70 r/min and the stirring temperature of 30-40 ℃, adding a saturated salt aqueous solution in the stirring process for neutralization reaction, and standing and precipitating for 2-4 hours after the reaction is finished;
s3: heating the raw tea oil obtained in the step S2 to 50-60 ℃, adding 2-3 parts by weight of 12% sodium hydroxide solution at the rotating speed of 60-70 r/min, stirring for 20min, and then reducing the rotating speed to 30-35 r/min; adding 10-15 parts of water with the temperature of 60-70 ℃, continuously stirring for 20min, standing for 2-4 h, and removing water and soapstock by a settling separation method;
s4: dehydrating the oil obtained in the step S3 at the temperature of 90-95 ℃ for 30-40 min under the condition of 3.5-6.3 Kpa;
s5: s4, feeding the oil obtained in the step S into a decoloring pot, heating the crude tea seed oil to 80-90 ℃, pumping argil under the condition of 0.055-0.060 Mpa, stirring for 20-30 min, cooling, and pumping into a filter press for filter pressing;
s6: and (3) heating the crude camellia oil obtained in the step to 70-80 ℃, adding silica gel particles at the rotating speed of 60r/min, stirring for 1-2 h, standing for 3-7 h, and filtering to obtain the organic camellia oil.
In this embodiment, preferably, in the step S1, the camellia sinensis seeds are used for preparing the crude oil by pressing under the action of pressure, and the method includes the following steps:
s11: heating the camellia seeds by adopting steam, controlling the pressure to be 0.15-0.25 Mpa, and drying until the water content of the camellia seeds is 3-5%;
s12: husking by using an oil tea seed husking machine until the whole kernel rate after husking is more than or equal to 99 percent;
s13: sending the shelled camellia seeds into a low-temperature squeezer, and controlling the squeezing temperature at 60-70 ℃ to obtain crude oil;
s14: and filtering the crude oil by using a filter, wherein the filtering temperature is 35-40 ℃, and thus obtaining the crude oil.
Example 2:
a method for refining organic camellia oil rich in nutrition comprises the following steps:
s1: selecting full camellia seeds without worm damage, mildew and peculiar smell, wrapping camellia seeds with filter cloth at normal temperature, filtering crude camellia oil by virtue of gravity, pressure, vacuum or centrifugal force, and repeatedly filtering the crude camellia oil for more than one time to ensure that the impurity content in the crude camellia oil is less than 0.2 wt%;
s2: taking 100 parts by weight of raw tea oil, feeding the raw tea oil into an alkali refining pot, uniformly stirring at the stirring speed of 65r/min and the stirring temperature of 35 ℃, adding a saturated salt aqueous solution in the stirring process to perform a neutralization reaction, and standing and precipitating after the reaction is finished, wherein the precipitation time is 2.5 hours;
s3: heating the raw tea oil obtained in the step S2 to 40 ℃, adding 2.5 parts by weight of 12% sodium hydroxide solution at the rotating speed of 65r/min, stirring for 20min, and then reducing the rotating speed to 30 r/min; adding 12 parts of 65 ℃ water, continuing stirring for 20min, standing for 2.5h, and removing water and soapstock by a settling separation method;
s4: dehydrating the oil obtained in the step S3 at the temperature of 93 ℃ for 35min under the condition of 3.5-6.3 Kpa;
s5: feeding the oil obtained in the step S4 into a decoloring pot, heating the crude tea seed oil to 85 ℃, pumping argil under the condition of 0.055-0.060 Mpa, stirring for 25min, cooling, and pumping into a filter press for filter pressing;
s6: and (S5) heating the crude tea oil obtained in the step to 75 ℃, adding silica gel particles at the rotating speed of 60r/min, stirring for 1-2 h, standing for 3-7 h, and filtering to obtain the organic camellia oil.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A method for refining organic camellia oil with rich nutrition is characterized by comprising the following steps:
s1: selecting full camellia seeds without worm damage, mildew and peculiar smell, wrapping camellia seeds with filter cloth at normal temperature, filtering crude camellia oil by virtue of gravity, pressure, vacuum or centrifugal force, and repeatedly filtering the crude camellia oil for more than one time to ensure that the impurity content in the crude camellia oil is less than 0.2 wt%;
s2: 100 parts of raw tea oil is taken according to the weight part and is sent into an alkali refining pot to be uniformly stirred, the stirring speed is 60-70 r/min, and the stirring temperature is 30-40°C, adding a saturated salt solution in the stirring process to perform a neutralization reaction, and standing and precipitating after the reaction is finished, wherein the precipitation time is 2-4 hours;
s3: heating the raw tea oil obtained in the step S2 to 50-60 ℃, adding 2-3 parts by weight of 12% sodium hydroxide solution at the rotating speed of 60-70 r/min, stirring for 20min, and then reducing the rotating speed to 30-35 r/min; adding 10-15 parts of 60-70 ℃ water, continuing stirring for 20min, standing for 2-4 h, and removing water and soapstock by a settling separation method;
s4: dehydrating the oil obtained in the step S3 at the temperature of 90-95 ℃ for 30-40 min under the condition of 3.5-6.3 Kpa;
s5: feeding the oil obtained in the step S4 into a decoloring pot, heating the crude tea seed oil to 80-90 ℃, pumping argil under the condition of 0.055-0.060 Mpa, stirring for 20-30 min, cooling, and pumping into a filter press for filter pressing;
s6: and (3) adding silica gel particles into the raw camellia oil obtained in the step until the temperature of the raw camellia oil is 70-80 ℃, stirring for 1-2 h at the rotating speed of 60r/min, standing for 3-7 h, and filtering to obtain the organic camellia oil.
2. The method for refining organic camellia oil rich in nutrients as claimed in claim 1, wherein in the step of S1, camellia seed is pressed by pressure to make crude oil.
3. The method for refining organic camellia oil rich in nutrition as claimed in claim 2, wherein the squeezing method comprises the following steps:
s11: heating the camellia seeds by adopting steam, controlling the pressure to be 0.15-0.25 Mpa, and drying until the water content of the camellia seeds is 3-5%;
s12: husking by using a camellia seed husking machine;
s13: sending the shelled camellia seeds into a low-temperature squeezer to obtain crude oil;
s14: and filtering the crude oil by using a filter to obtain crude oil.
4. The method for refining organic camellia oil rich in nutrition according to claim 3, wherein the husking standard of the camellia seed husking machine is that the whole kernel rate after husking is more than or equal to 99%.
5. The method for refining organic camellia oil rich in nutrition according to claim 3, wherein the pressing temperature of the camellia seeds sent to the low-temperature pressing machine is controlled to be 60-70 ℃.
6. The method for refining organic camellia oil rich in nutrition as claimed in any one of claims 3 to 5, wherein the filtering temperature of the filter for filtering crude oil is 35-40 ℃.
7. The method for refining organic camellia oil rich in nutrition according to claim 1, comprising the following steps:
s1: selecting full camellia seeds without worm damage, mildew and peculiar smell, wrapping camellia seeds with filter cloth at normal temperature, filtering crude camellia oil by virtue of gravity, pressure, vacuum or centrifugal force, and repeatedly filtering the crude camellia oil for more than one time to ensure that the impurity content in the crude camellia oil is less than 0.2 wt%;
s2: 100 parts of raw tea oil is taken according to the weight part and is sent into an alkali refining pot to be stirred evenly, the stirring speed is 65r/min, and the stirring temperature is 35°C, adding a saturated salt solution in the stirring process for neutralization reaction, and standing and precipitating after the reaction is finished for 2.5 hours;
s3: heating the raw tea oil obtained in the step S2 to 40 ℃, adding 2.5 parts by weight of 12% sodium hydroxide solution at the rotation speed of 65r/min, stirring for 20min, and then reducing the rotation speed to 30 r/min; adding 12 parts of 65 ℃ water, continuously stirring for 20min, standing for 2.5h, and removing water and soapstock by a settling separation method;
s4: dehydrating the oil obtained in the step S3 at 3.5-6.3 Kpa for 35min at 93 ℃;
s5: feeding the oil obtained in the step S4 into a decoloring pot, heating the crude tea seed oil to 85 ℃, pumping argil under the condition of 0.055-0.060 Mpa, stirring for 25min, cooling, and pumping into a filter press for filter pressing;
s6: and (5) allowing the crude tea oil obtained in the step S5 to reach 75 ℃, adding silica gel particles at the rotating speed of 60r/min, stirring for 1-2 h, standing for 3-7 h, and filtering to obtain the organic camellia oil.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101878820A (en) * | 2009-05-08 | 2010-11-10 | 常山富而康山茶油有限公司 | Method for refining camellia oil with high nutrient content |
| CN107586598A (en) * | 2017-09-30 | 2018-01-16 | 贵州航生态农牧科技开发有限公司 | A kind of preparation method of infant nutrient camellia oil |
| CN112226274A (en) * | 2020-09-01 | 2021-01-15 | 霍山知行信息科技有限公司 | Processing method of organic tea oil |
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2019
- 2019-12-20 CN CN201911321971.5A patent/CN110903902A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101878820A (en) * | 2009-05-08 | 2010-11-10 | 常山富而康山茶油有限公司 | Method for refining camellia oil with high nutrient content |
| CN107586598A (en) * | 2017-09-30 | 2018-01-16 | 贵州航生态农牧科技开发有限公司 | A kind of preparation method of infant nutrient camellia oil |
| CN112226274A (en) * | 2020-09-01 | 2021-01-15 | 霍山知行信息科技有限公司 | Processing method of organic tea oil |
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