阅读说明：本技术 一种食用茶油及其制备方法和应用 (Edible tea oil and preparation method and application thereof ) 是由 龚美青 孙海辉 魏国华 熊志华 廖英俊 吴敏 于 2019-11-06 设计创作，主要内容包括：本发明提供了一种食用茶油及其制备方法和应用。本发明食用茶油的主要原料包括：精制茶油,核桃油,蜂蜜,西红柿,大米,山药,葡萄肉干以及胡萝卜。本发明食用茶油中,含有多种人类比较缺乏的营养物质,能有效改善睡眠质量,增加人体抵抗力、加快解毒速度,提供大脑发育所需的营养,维持体内胆固醇至正常水平,适合儿童、学生、中老年人等各类人群食用。同时,本发明食用茶油的制备工艺简便,操作简单,适于规模化、工业化的生产具有良好营养作用的食用茶油产品。(The invention provides edible tea oil and a preparation method and application thereof. The edible tea oil of the invention comprises the following main raw materials: refined tea oil, walnut oil, honey, tomatoes, rice, Chinese yam, raisins and carrots. The edible tea oil contains various nutrient substances which are relatively lacked by human beings, can effectively improve the sleep quality, increase the resistance of human bodies, accelerate the detoxification speed, provide the nutrition required by brain development and maintain the cholesterol in the bodies to be at the normal level, and is suitable for children, students, middle-aged and elderly people and other people to eat. Meanwhile, the preparation process of the edible tea oil is simple and convenient, the operation is simple, and the edible tea oil is suitable for large-scale and industrial production of edible tea oil products with good nutritional effect.)

1. The edible tea oil is characterized by comprising the following main raw materials:

refined tea oil, walnut oil, honey, tomatoes, rice, Chinese yam, raisins and carrots.

2. The edible tea oil according to claim 1, wherein the refined tea oil, the walnut oil and the honey are in a mass ratio of: (15-45): (1-10): (1-5).

3. The edible tea oil as claimed in claim 1, wherein the mass ratio of the tomatoes to the rice is as follows: (3-15): (3-15).

4. The edible tea oil as claimed in claim 1, wherein the mass ratio of the yam, the raisin and the carrot is as follows: (3-12): (1-8): (1-8).

5. The edible tea oil according to claim 1, wherein the raw materials of the edible tea oil mainly comprise, by mass:

15-45 parts of refined tea oil, 1-10 parts of walnut oil, 1-5 parts of honey, 3-15 parts of tomatoes, 3-15 parts of rice, 3-12 parts of Chinese yam, 1-8 parts of raisins and 1-8 parts of carrots.

6. A preparation method of edible tea oil is characterized by comprising the following steps:

(a) cleaning rice and Chinese yam, drying, grinding and mixing to obtain mixed powder;

(b) crushing carrot, tomato and raisin, mixing, extracting and filtering to obtain filtrate;

(c) mixing the mixed powder obtained in the step (a) and the filtrate obtained in the step (b) with honey, walnut oil and refined tea oil, and then filtering to obtain filtrate;

(d) and (c) distilling the filtrate obtained in the step (c) under reduced pressure, and collecting an oil phase to obtain the edible tea oil.

7. The process for producing edible tea oil according to claim 6, wherein the mixing in the step (b) comprises the step of mixing under stirring conditions of a plate and frame stirrer;

and/or in the step (b), the extraction comprises a step of extracting with an organic solvent, wherein the organic solvent comprises at least one of ethanol and acetic acid, and the extraction time is 30-60 min;

and/or in the step (b), the method further comprises the step of carrying out ultrasonic treatment after extraction, wherein the ultrasonic treatment time is 30-60 min.

8. The process for producing edible tea oil according to claim 6, wherein in the step (c), the mixing comprises the step of mixing under stirring conditions of a plate and frame stirrer;

and/or in the step (c), the step of carrying out ultrasonic treatment after mixing is further included, and the time of ultrasonic treatment is 30-60 min.

9. The method for preparing edible tea oil according to claim 6, wherein the vacuum distillation in the step (d) comprises: carrying out reduced pressure distillation under the conditions of vacuum degree of 0.08-0.1 MPa and temperature of 110-130 ℃.

10. Use of the edible tea oil according to any one of claims 1 to 5 for the preparation of a food product for improving sleep, enhancing immunity, and detoxifying.

Technical Field

The invention relates to the technical field of food, in particular to edible tea oil and a preparation method and application thereof.

Background

Various nutrient substances are closely related to human health, for example, when the human body lacks vitamin B11 and calcium, the human body often has insomnia, which affects the health and increases the incidence of diabetes, heart disease and hypertension; when a human body is in iron deficiency, iron deficiency anemia can be caused, and symptoms such as anorexia, dysphoria, hypodynamia, pale complexion, palpitation, dizziness and the like can appear; the slow healing of the wound indicates that the intake of various nutrients such as protein, trace elements, energy and the like is too low, so that the immunity is reduced, the metabolism is slowed down, and the wound healing is influenced; severe vitamin C deficiency can lead to scurvy; selenium has the detoxification function, can be combined with heavy metals in vivo to reduce the harm of the heavy metals, the human blood circulation which is slightly lack of selenium is not good, hands and feet can feel cold, and the serious lack of selenium can cause low immunity, hypopsia, easy cardiovascular diseases and tumor; the lack of linoleic acid can cause the metabolic disorder of collective lipid, the reduction of immunity, amnesia, fatigue and hypopsia, and simultaneously, the lack of linoleic acid can cause cholesterol to be combined with some saturated fatty acids to generate metabolic disorder, and the cholesterol is deposited on the vessel wall to gradually form atherosclerosis to cause cardiovascular and cerebrovascular diseases.

Tea oil, also known as camellia oil or tea seed oil, is a unique woody oil in our country. The tea oil fatty acid mainly comprises oleic acid, linoleic acid and a small amount of saturated fatty acid, wherein the content of the oleic acid is 74-89%, and the fatty acid composition is similar to the best olive oil recognized in the world and is called eastern olive oil in the name of the fatty acid composition.

However, in order to make tea oil reach relevant food standards, the tea oil on the market needs to be refined through a plurality of processes in the production process, and most substances beneficial to human bodies are often removed together in the refining process, so that the nutrition and health care functions of the tea oil are greatly reduced.

Disclosure of Invention

The first purpose of the invention is to provide edible tea oil which is rich in various nutrient substances and has the functions of improving sleep, enhancing immunity, quickly detoxifying and the like.

The second purpose of the invention is to provide the preparation method of the edible tea oil, and the preparation method is simple and convenient in process and suitable for large-scale production.

The third purpose of the invention is to provide the application of the edible tea oil.

In order to achieve the above purpose of the invention, the following technical scheme is adopted:

the technical scheme of the invention is as follows:

the edible tea oil mainly comprises the following raw materials: refined tea oil, walnut oil, honey, tomatoes, rice, Chinese yam, raisins and carrots; preferably, the rice is selenium-enriched rice; preferably, the Chinese yam is black Chinese yam.

Meanwhile, the invention also provides a preparation method of the edible tea oil, which comprises the following steps:

(a) cleaning rice and Chinese yam, drying, grinding and mixing to obtain mixed powder;

(b) crushing carrot, tomato and raisin, mixing, extracting and filtering to obtain filtrate;

(c) mixing the mixed powder obtained in the step (a) and the filtrate obtained in the step (b) with honey, walnut oil and refined tea oil, and then filtering to obtain filtrate;

(d) and (c) distilling the filtrate obtained in the step (c) under reduced pressure, and collecting an oil phase to obtain the edible tea oil.

Furthermore, the invention also provides application of the edible tea oil in preparing foods for improving sleep, enhancing immunity and detoxifying.

Compared with the prior art, the invention has the beneficial effects that:

the edible tea oil contains various nutrient substances which are relatively lacked by human beings, can effectively improve the sleep quality, increase the resistance of human bodies, accelerate the detoxification speed, provide the nutrition required by brain development and maintain the cholesterol in the bodies to be at the normal level, and is suitable for children, students, middle-aged and elderly people and other people to eat.

Meanwhile, the preparation process of the edible tea oil is simple and convenient, the operation is simple, and the edible tea oil is suitable for large-scale and industrial production of edible tea oil products with good nutrition and health care effects.

In addition, according to the edible tea oil provided by the invention, the mass ratio of the refined tea oil to the walnut oil to the honey is as follows: (15-45): (1-10): (1-5);

preferably, the refined tea oil, the walnut oil and the honey are in the following mass ratio: (20-30): (2-5): (1-3).

In addition, according to the edible tea oil provided by the invention, the mass ratio of the tomatoes to the rice is as follows: (3-15): (3-15);

preferably, the mass ratio of the tomatoes to the rice is as follows: (5-10): (5-10).

In addition, according to the edible tea oil provided by the invention, the mass ratio of the Chinese yam, the raisin and the carrot is as follows: (3-12): (1-8): (1-8);

preferably, the mass ratio of the Chinese yam, the raisin and the carrot is as follows: (5-10): (2-5): (2-5).

In addition, according to the edible tea oil provided by the invention, the edible tea oil mainly comprises the following raw materials in parts by mass: 15-45 parts of refined tea oil, 1-10 parts of walnut oil, 1-5 parts of honey, 3-15 parts of tomatoes, 3-15 parts of rice, 3-12 parts of Chinese yam, 1-8 parts of raisins and 1-8 parts of carrots;

preferably, the edible tea oil mainly comprises the following raw materials in parts by weight: 20-30 parts of refined tea oil, 2-5 parts of walnut oil, 1-3 parts of honey, 5-10 parts of tomatoes, 5-10 parts of rice, 5-10 parts of Chinese yam, 2-5 parts of raisins and 2-5 parts of carrots.

Further, according to the present invention, there is provided a method for producing edible tea oil, wherein, in the step (b), the mixing comprises the step of mixing under stirring conditions of a plate and frame stirrer;

and/or in the step (b), the extraction comprises a step of extracting with an organic solvent, wherein the organic solvent comprises at least one of ethanol and acetic acid, and the extraction time is 30-60 min;

and/or in the step (b), the method further comprises the step of carrying out ultrasonic treatment after extraction, wherein the ultrasonic treatment time is 30-60 min.

According to the preparation method of the edible tea oil provided by the invention, in the step (c), the mixing comprises the step of mixing under the stirring condition of a plate-and-frame stirrer;

and/or in the step (c), the step of carrying out ultrasonic treatment after mixing is further included, and the time of ultrasonic treatment is 30-60 min.

According to the preparation method of the edible tea oil provided by the invention, in the step (d), the reduced pressure distillation comprises the following steps: carrying out reduced pressure distillation under the conditions of vacuum degree of 0.08-0.1 MPa and temperature of 110-130 ℃.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to examples, but it will be understood by those skilled in the art that the following examples are only illustrative of the present invention and should not be construed as limiting the scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

In view of the problems of nutrient loss and the like caused by the refining process of the current tea oil sold in the market, the invention particularly provides a novel edible tea oil formula, and the defects of the traditional tea oil sold in the market on the nutrient content are improved by adding various plant extract components rich in nutrient substances into the refined tea oil.

Specifically, the edible tea oil provided by the invention is prepared from the following components:

refined tea oil, walnut oil, honey, tomatoes, rice, Chinese yam, raisins and carrots;

wherein the rice is preferably selenium-enriched rice, and more preferably natural selenium-enriched rice; the rhizoma Dioscoreae is black rhizoma Dioscoreae.

Further preferably, the edible tea oil provided by the invention is prepared from the following raw materials:

refined tea oil, walnut oil, honey, tomatoes, (natural) selenium-rich rice, black yam, raisins and carrots.

All raw materials used for preparing the edible tea oil are pure natural products, and the used refined tea oil is free of additives and is pure natural; the walnut oil and the honey are high-quality products; the selenium-rich rice, the black yam, the grape flesh, the carrot, the tomato and the like have no pollution, and most materials are taken from high-quality wild products. After the raw materials are mixed and extracted, the obtained edible tea oil is natural in raw materials, is rich in vitamins, mineral substances, linoleic acid and other nutritional ingredients, and well solves the problem of lack of nutritional elements of the commercially available edible tea oil.

In some embodiments of the present invention, in the edible tea oil raw material, the mass ratio of the refined tea oil, the walnut oil and the honey is: (15-45): (1-10): (1-5);

preferably, in the edible tea oil raw materials, the mass ratio of the refined tea oil, the walnut oil and the honey is as follows: (20-30): (2-5): (1-3).

In some embodiments of the present invention, the edible tea oil raw material comprises tomato and rice (selenium-enriched rice) in a mass ratio of: (3-15): (3-15);

preferably, in the edible tea oil raw material, the mass ratio of the tomatoes to the rice (selenium-enriched rice/natural selenium-enriched rice) is as follows: (5-10): (5-10).

In some embodiments of the present invention, the edible tea oil raw material comprises the following components by mass: (3-12): (1-8): (1-8);

preferably, in the edible tea oil raw materials of the invention, the mass ratio of the Chinese yam, the raisin and the carrot is as follows: (5-10): (2-5): (2-5).

In some preferred embodiments of the present invention, the edible tea oil of the present invention comprises the following raw materials, by mass:

15-45 parts of refined tea oil, for example, but not limited to, 20, 25, 30, 35, or 40 parts; 1-10 parts of walnut oil, such as but not limited to 2, 3, 5, 7, or 9 parts; 1-5 parts of honey, such as but not limited to 2, 3, or 4 parts; 3-15 parts of tomatoes, for example but not limited to, 5, 8, 10 or 12 parts; 3-15 parts of rice (selenium-enriched rice), for example, but not limited to, 5, 8, 10 or 12 parts; 3-12 parts of yam (black yam), such as but not limited to 5, 8, 10 or 11 parts, 1-8 parts of raisin, such as but not limited to 2, 3, 5 or 7 parts; and 1-8 parts of carrot, such as but not limited to 2, 3, 5, or 7 parts;

in some more preferred embodiments of the present invention, the edible tea oil of the present invention comprises the following raw materials in parts by mass:

20-30 parts of refined tea oil, 2-5 parts of walnut oil, 1-3 parts of honey, 5-10 parts of tomatoes, 5-10 parts of rice (selenium-rich rice), 5-10 parts of Chinese yam (black Chinese yam), 2-5 parts of raisins and 2-5 parts of carrots.

Furthermore, the preparation process of the edible tea oil is simple and suitable for large-scale production, and the specific steps can be referred as follows:

(a) cleaning rice (selenium-rich rice) and rhizoma Dioscoreae (black rhizoma Dioscoreae), drying (such as oven drying), grinding into fine powder, and mixing.

(b) Respectively crushing carrot, tomato and raisin, adding an extracting agent, mixing and stirring the crushed raw materials under stirring conditions (preferably, stirring by a plate-and-frame stirrer), extracting for 30-60 min (for example, 35, 40, 45, 50, 55min and the like can be adopted), then carrying out ultrasonic treatment on the extracting solution, treating for 30-60 min (for example, 35, 40, 45, 50, 55min and the like can be adopted), then carrying out filtration separation on the extracting solution, and collecting filtrate.

In the step, the extractant used is at least one of ethanol or acetic acid, and preferably, the extractant used is ethanol and acetic acid;

wherein the ratio of the volume milliliter of the extracting agent to the mass gram of the raw material to be extracted is (1:1) - (2: 1); meanwhile, the volume ratio of the ethanol to the acetic acid in the extractant is 1: 5-5: 1.

(c) Uniformly mixing the mixed powder obtained in the step (a), the filtrate obtained in the step (b), honey, walnut oil and refined tea oil (preferably, stirring by using a plate-and-frame stirrer), and then carrying out ultrasonic treatment for 30-60 min (for example, but not limited to, 35, 40, 45, 50, 55min and the like); after the ultrasonic treatment, the system was filtered and the filtrate was collected.

(d) Carrying out reduced pressure distillation on the filtrate obtained in the step (c), collecting an oil phase, sealing the oil phase, and storing the oil phase in a shade place for 7-10 days;

wherein the vacuum degree of the reduced pressure distillation is 0.08-0.1 MPa, and the distillation temperature is 110-130 ℃.

(e) The tea oil after storage is sterilized, for example, by irradiation sterilization.

(f) Bottling and packaging the sterilized tea oil obtained in the step (e) in an outer box, and storing at a cool low temperature, wherein the shelf life can reach 1 year.

The edible tea oil obtained by the method does not contain artificial additives such as preservatives and the like, so the edible tea oil is healthier to eat. Meanwhile, as a plurality of plant extracts and oil components are added, the edible tea oil disclosed by the invention is rich in various nutrient substances, can effectively improve the sleep quality, increase the resistance of a human body, accelerate the detoxification speed, provide the nutrition required by brain development and maintain the cholesterol in the body to be at a normal level.

Further based on the functional and health-care functions of the edible tea oil, the invention also provides a food which contains the edible tea oil and has the functions of improving sleep quality, increasing human body resistance and accelerating detoxification speed.

The food may be an edible oil containing the edible tea oil of the present invention as a functional component, or may be a processed food using the edible tea oil of the present invention, for example, a cold dish, a hot-fried, a baked, a steamed or boiled food using the edible tea oil of the present invention.

The following examples are intended to illustrate the invention in more detail. The embodiments of the present invention are not limited to the following specific examples. The present invention can be modified and implemented as appropriate within the scope of the main claim.

Example 1

The method comprises the following steps: cleaning and drying 5 parts of natural selenium-rich rice and 10 parts of black Chinese yam, grinding into fine powder, and uniformly mixing for later use.

Secondly, the step of: respectively crushing 5 parts of carrot, 5 parts of tomato and 2 parts of raisin, adding into a mixing device, adding 20 parts of acetic acid and 5 parts of ethanol, and soaking, stirring and extracting for 0.5 hour under the stirring of a plate-and-frame stirrer; then, ultrasonic treatment is carried out for 60min, and filtrate is obtained by filtration for standby.

③: adding the mixed solution obtained in the step two, the filtrate obtained in the step two, 1 part of honey, 2 parts of walnut oil and 30 parts of refined tea oil into a mixing device, uniformly stirring by using a plate and frame type stirrer, then carrying out ultrasonic treatment for 60min, and filtering to obtain a filtrate for later use.

Fourthly, the method comprises the following steps: and (4) carrying out reduced pressure distillation on the filtrate obtained in the step (III) under the heating condition of the vacuum degree of 0.08MPa and the temperature of 110 ℃, sealing the obtained oil phase and placing in a shade place for 10 days.

Fifthly: and (4) performing irradiation sterilization on the tea oil obtained in the step (IV).

Sixthly, the method comprises the following steps: bottling the sterilized tea oil obtained by the fifth step, and storing the bottled sterilized tea oil at a cool low temperature, wherein the shelf life can reach 1 year.

Example 2

The method comprises the following steps: taking 10 parts of natural selenium-rich rice and 5 parts of Heishan yam, washing, drying, grinding into fine powder, and uniformly mixing for later use.

Secondly, the step of: respectively crushing 2 parts of carrot, 10 parts of tomato and 5 parts of raisin, adding into a mixing device, then adding 30 parts of acetic acid and 10 parts of ethanol, soaking, stirring and extracting for 1 hour under the stirring of a plate-and-frame type stirrer, then carrying out ultrasonic treatment for 30min, and filtering to obtain a filtrate for later use.

③: adding the mixed solution obtained in the step I, the filtrate obtained in the step II, 3 parts of honey, 5 parts of walnut oil and 20 parts of refined tea oil into a mixing device, uniformly stirring by using a plate-and-frame stirrer, performing ultrasonic treatment for 30min, and filtering to obtain a filtrate for later use.

Fourthly, the method comprises the following steps: and (4) carrying out reduced pressure distillation on the filtrate obtained in the step (III) under the heating condition of the vacuum degree of 0.1MPa and the temperature of 110 ℃, and sealing the obtained oil phase and placing in a shade place for 10 days.

Fifthly: and (4) performing irradiation sterilization on the tea oil obtained in the step (IV).

Sixthly, the method comprises the following steps: bottling the sterilized tea oil obtained in the fifth step, and storing at a cool low temperature with a shelf life of 1 year.

Example 3

The method comprises the following steps: cleaning and drying 3 parts of natural selenium-rich rice and 3 parts of black Chinese yam, grinding into fine powder, and uniformly mixing for later use.

Secondly, the step of: respectively crushing 3 parts of carrot, 7 parts of tomato and 8 parts of raisin, adding into a mixing device, and stirring for 1 hour under the stirring of a plate and frame type stirrer; then, ultrasonic treatment is carried out for 45min, and filtrate is obtained by filtration for standby.

③: adding the mixed solution obtained in the step I, the filtrate obtained in the step II, 1 part of honey, 10 parts of walnut oil and 15 parts of refined tea oil into a mixing device, uniformly stirring by using a plate and frame type stirrer, then carrying out ultrasonic treatment for 60min, and filtering to obtain a filtrate for later use.

Fourthly, the method comprises the following steps: and (4) carrying out reduced pressure distillation on the filtrate obtained in the step (III) under the heating condition of the vacuum degree of 0.1MPa and the temperature of 120 ℃, and sealing the obtained oil phase and placing in a shade place for 10 days.

Fifthly: and (4) performing irradiation sterilization on the tea oil obtained in the step (IV).

Sixthly, the method comprises the following steps: bottling the sterilized tea oil obtained by the fifth step, and storing the bottled sterilized tea oil at a cool low temperature, wherein the shelf life can reach 1 year.

Example 4

The method comprises the following steps: and (3) cleaning and drying 14 parts of natural selenium-rich rice and 7 parts of black Chinese yam, grinding into fine powder, and uniformly mixing for later use.

Secondly, the step of: respectively crushing 5 parts of carrot, 8 parts of tomato and 7 parts of raisin, adding into a mixing device, adding 15 parts of acetic acid, and soaking, stirring and extracting for 0.7 hour under the stirring of a plate-and-frame stirrer; then, ultrasonic treatment is carried out for 60min, and filtrate is obtained by filtration for standby.

③: adding the mixed solution obtained in the step I, the filtrate obtained in the step II, 5 parts of honey, 7 parts of walnut oil and 35 parts of refined tea oil into a mixing device, uniformly stirring by using a plate and frame type stirrer, then carrying out ultrasonic treatment for 50min, and filtering to obtain a filtrate for later use.

Fourthly, the method comprises the following steps: and (4) carrying out reduced pressure distillation on the filtrate obtained in the step (III) under the heating condition of vacuum degree of 0.09MPa and temperature of 130 ℃, sealing the obtained oil phase and placing in a shade place for 10 days.

Fifthly: and (4) performing irradiation sterilization on the tea oil obtained in the step (IV).

Sixthly, the method comprises the following steps: bottling the sterilized tea oil obtained by the fifth step, and storing the bottled sterilized tea oil at a cool low temperature, wherein the shelf life can reach 1 year.

Example 5

The method comprises the following steps: taking 15 parts of natural selenium-rich rice and 12 parts of black Chinese yam, cleaning, drying, grinding into fine powder, and uniformly mixing for later use.

Secondly, the step of: respectively crushing 1 part of carrot, 15 parts of tomato and 2 parts of raisin, adding into a mixing device, then adding 10 parts of acetic acid and 10 parts of ethanol, and soaking, stirring and extracting for 0.6 hour under the stirring of a plate-and-frame stirrer; then, ultrasonic treatment is carried out for 55min, and filtrate is obtained by filtration for standby.

③: adding the mixed solution obtained in the step I, the filtrate obtained in the step II, 4 parts of honey, 1 part of walnut oil and 45 parts of refined tea oil into a mixing device, uniformly stirring by using a plate and frame type stirrer, then carrying out ultrasonic treatment for 35min, and filtering to obtain a filtrate for later use.

Fourthly, the method comprises the following steps: and (4) carrying out reduced pressure distillation on the filtrate obtained in the step (III) under the heating condition of the vacuum degree of 0.08MPa and the temperature of 130 ℃, sealing the obtained oil phase and placing in a shade place for 10 days.

Fifthly: and (4) performing irradiation sterilization on the tea oil obtained in the step (IV).

Sixthly, the method comprises the following steps: bottling the sterilized tea oil obtained by the fifth step, and storing the bottled sterilized tea oil at a cool low temperature, wherein the shelf life can reach 1 year.

Example 6

The method comprises the following steps: taking 6 parts of natural selenium-rich rice and 8 parts of black Chinese yam, cleaning, drying, grinding into fine powder, and uniformly mixing for later use.

Secondly, the step of: respectively crushing 7 parts of carrot, 3 parts of tomato and 1 part of raisin, adding into a mixing device, then adding 10 parts of ethanol, and soaking, stirring and extracting for 0.5 hour under the stirring of a plate-and-frame stirrer; then, ultrasonic treatment is carried out for 60min, and filtrate is obtained by filtration for standby.

③: adding the mixed solution obtained in the step (i), the filtrate obtained in the step (ii), 2 parts of honey, 3 parts of walnut oil and 40 parts of refined tea oil into a mixing device, uniformly stirring by using a plate and frame type stirrer, then carrying out ultrasonic treatment for 50min, and filtering to obtain a filtrate for later use.

Fourthly, the method comprises the following steps: and (4) carrying out reduced pressure distillation on the filtrate obtained in the step (III) under the heating condition of the vacuum degree of 0.08MPa and the temperature of 120 ℃, and sealing the obtained oil phase and placing in a shade place for 10 days.

Fifthly: and (4) performing irradiation sterilization on the tea oil obtained in the step (IV).

Sixthly, the method comprises the following steps: bottling the sterilized tea oil obtained by the fifth step, and storing the bottled sterilized tea oil at a cool low temperature, wherein the shelf life can reach 1 year.

Table 1 compares the nutrient comparison results of the above examples and conventional tea oil:

TABLE 1 nutrient component List of tea oil (100 g each)

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.