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Tea oil processing method and device special for tea oil processing method

A processing method and technology of special equipment, applied in the fields of application, edible oil/fat, fat oil/fat production, etc., can solve the problems of difficulty in guaranteeing the quality of camellia oil, loss of nutritional components of camellia oil, long heating time of camellia oil, etc. Less, good health care effect, no chemical solvent residue effect

Inactive Publication Date: 2013-09-11
广州绿和缘生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These processes are operated at high temperature, which makes the camellia oil heated for a long time, and the quality of the camellia oil is difficult to guarantee
Moreover, after being refined by this method, the nutritional content of camellia oil is basically lost, and the meaning of its high nutrition is lost.

Method used

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  • Tea oil processing method and device special for tea oil processing method
  • Tea oil processing method and device special for tea oil processing method
  • Tea oil processing method and device special for tea oil processing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] (1) Raw material pretreatment: take the tea seeds and dry them at a low temperature at 60°C until the moisture of the tea seeds is 5%, and then remove the shells;

[0033] (2) Cold-press the processed tea seeds, and the oil output temperature is 60°C to obtain crude tea oil, which is filtered;

[0034] (3) Supercritical CO 2 Refining: The crude tea oil is continuously fed into the refining column to control the speed of entering the oil and enter the supercritical CO in the refining column 2 When the fluid is contacted at 40℃ and 18MPa, the impurities in the crude oil, such as free fatty acids and odor substances, are dissolved in supercritical CO 2 Fluid, then supercritical CO 2 The fluid enters the analysis kettle, the pressure is reduced to 8MPa, and the impurities are precipitated and discharged from the discharge port; CO 2 After being condensed by the condenser, it enters CO 2 The storage tank is used for recycling. The impurities in the crude tea oil are removed to obt...

Embodiment 2

[0038] (1) Raw material pretreatment: take the tea seeds and dry them at a low temperature at 60°C until the moisture content of the tea seeds is 6%, and then remove the shells;

[0039] (2) Cold-squeeze the treated tea seeds, the oil output temperature is 50℃, to obtain the crude tea oil, and filter;

[0040] (3) Supercritical CO 2 Refining: The crude tea oil is sent into the refining column, and into the supercritical CO in the refining column 2 When the fluid is in contact at 55℃ and 20MPa, the impurities in the crude oil, such as free fatty acids and odor substances, are dissolved in supercritical CO 2 Fluid, then supercritical CO 2 The fluid enters the analysis kettle, the pressure is reduced to 9MPa, and the impurities are precipitated and discharged from the discharge port; CO 2 After being condensed by the condenser, it enters CO 2 The storage tank is used for recycling. The impurities in the crude tea oil are removed to obtain the finished tea oil.

[0041]

[0042] As shown...

Embodiment 3

[0044] (1) Raw material pretreatment: take the tea seeds and dry them at a low temperature at 50°C until the moisture of the tea seeds is 8%, and then remove the shells;

[0045] (2) Cold-press the processed tea seeds, and the oil output temperature is 40°C to obtain crude tea oil, which is filtered;

[0046] (3) Supercritical CO 2 Refining: The crude tea oil is sent into the refining column, and into the supercritical CO in the refining column 2 When the fluid is contacted at 45℃ and 16MPa, the impurities in the crude oil, such as free fatty acids and odor substances, are dissolved in supercritical CO 2 Fluid, then supercritical CO 2 The fluid enters the analysis kettle, the pressure is reduced to 8.5MPa, and the impurities are precipitated and discharged from the discharge port; CO 2 After being condensed by the condenser, it enters CO 2 The storage tank is used for recycling. The impurities in the crude tea oil are removed to obtain the finished tea oil.

[0047]

[0048] As shown...

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Abstract

The invention discloses a tea oil processing method which comprises the following steps of: (1) carrying out pretreatment on raw material: drying tea seeds at low temperature, and then removing shells of the tea seeds; (2) preparing crude oil of the tea oil, and filtering; (3) carrying out supercritical CO2 refining: putting the crude oil of the tea oil into a supercritical CO2 device, extracting under the conditions of 15-25MPa and 30-60 DEG C; removing the impurities in the crude oil of the tea oil to obtain the tea oil finished product. The method adopts supercritical CO2 to remove the impurities of the crude tea oil, thus improving the quality of the tea oil, reducing the refining process, shortening the production cycle, reducing the pollution discharge, reducing the loss of nutritional ingredients of the tea oil in the refining process, increasing the content of active substances such as vitamin E and squalene, and improving the quality and the health care effect of the tea oil. The invention also discloses a device special for the method.

Description

technical field [0001] The invention relates to a method for processing camellia oil. The invention also relates to special equipment for the processing method. Background technique [0002] Camellia oil, that is, camellia seed oil, camellia seed oil, camellia oil. It is the oil obtained by processing the mature seeds of Camellia oleifera Abel, a plant of the genus Camellia L. in the family Theaceae. Camellia oil is clear in color, fragrant in taste, and contains more than 90% monounsaturated fatty acids such as oleic acid and linoleic acid. Camellia oleifera seed oil is also rich in vitamin E, vitamin D, squalene, sterols, phospholipids and other nutrients. Camellia oil has low iodine value, strong oil stability, and is not easy to oxidize. Camellia oil is a health-care edible oil. In addition to preventing and treating hypertension and cardiovascular system diseases, it also has the effect of clearing away heat and eliminating dampness. In addition to being used as edi...

Claims

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Application Information

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IPC IPC(8): C11B1/06C11B3/00A23D9/02
Inventor 伍淑华刘粤华沈玉优刘汉槎
Owner 广州绿和缘生物科技有限公司
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