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A kind of preparation method of camellia oil

A technology of camellia oil and camellia seed, which is applied in the field of edible oil processing, can solve the problems of not being able to produce high-end products, achieve the effects of improving edible performance, clear process parameters, and mild refining conditions

Active Publication Date: 2022-01-14
ZHEJIANG CHANGFA CEREALS OILS & FOODS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Similarly, camellia oil adopts the traditional refining method, although it can effectively remove the bad substances and bitter taste in the crude oil, but a large amount of natural active nutrients are lost and lost with steam and soapstock, and become "pure oil", but the production of high-grade raw materials is not enough. high-end products

Method used

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  • A kind of preparation method of camellia oil
  • A kind of preparation method of camellia oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A preparation method of camellia oil, comprising the following steps:

[0031] a) Crude oil pressing: pressing and filtering camellia seeds with a water content of 5% at 80° C. to obtain pressed crude oil, the impurity content of which is less than 0.3 wt %;

[0032] b) Deacidification: adding sodium bicarbonate of 0.1 times the weight of the degummed oil to the pressed crude oil, then stirring and deacidifying at a speed of 10 rpm at 70° C. for 30 minutes, and then centrifuging to remove the precipitate to obtain the deacidified oil;

[0033] c) Degumming: Add 3 times the volume of squeezed crude oil to the deacidified oil at 30°C, then stir at 70rpm for 15 minutes at 30°C, then stir at 20rpm for 5 minutes, then stand at 25°C After 4 hours, degummed oil was obtained after sedimentation and separation to remove impurities and water;

[0034]d) Decolorization and deodorization: heat the degummed oil to 50°C, add activated clay of 3wt% degummed oil weight and modified ba...

Embodiment 2

[0039] A preparation method of camellia oil, comprising the following steps:

[0040] a) Crude oil pressing: pressing and filtering camellia seeds with a water content of 6% at 85° C. to obtain pressed crude oil, the impurity content of which is less than 0.3 wt %;

[0041] b) Deacidification: adding sodium bicarbonate 0.15 times the weight of the degummed oil to the pressed crude oil, then stirring and deacidifying at a speed of 15 rpm at 80° C. for 35 minutes, and then centrifuging to remove the precipitate to obtain the deacidified oil;

[0042] c) Degumming: Add 4 times the volume of squeezed crude oil to the deacidified oil at 35°C, then stir at 75rpm for 17 minutes at 35°C, then stir for 6 minutes at 25rpm, then stand at 28°C After 4.5 hours, degummed oil was obtained after sedimentation and separation to remove impurities and water;

[0043] d) Decolorization and deodorization: heat the degummed oil to 52°C, add activated clay of 3.5wt% degummed oil weight and 1.3 time...

Embodiment 3

[0048] A preparation method of camellia oil, comprising the following steps:

[0049] a) Crude oil pressing: pressing and filtering camellia seeds with a water content of 7% at 90°C to obtain pressed crude oil, the impurity content of which is less than 0.3wt%;

[0050] b) Deacidification: adding sodium bicarbonate 0.2 times the weight of the degummed oil to the pressed crude oil, then stirring and deacidifying at a speed of 20 rpm at 90° C. for 40 minutes, and then centrifuging to remove the precipitate to obtain the deacidified oil;

[0051] c) Degumming: Add water at 40°C that is 5 times the volume of the pressed crude oil to the deacidified oil, then stir at 40°C at a speed of 80rpm for 20 minutes, then stir at a speed of 30rpm for 8 minutes, and then stand at 30°C After 5 hours, degummed oil was obtained after sedimentation and separation to remove impurities and water;

[0052] d) Decolorization and deodorization: heat the degummed oil to 55°C, add activated clay of 4wt...

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Abstract

The invention belongs to the technical field of edible oil processing. The invention discloses a method for producing camellia oil, which comprises the steps of crude oil pressing, deacidification, degumming, decolorization and deodorization, and winterization, wherein in the decolorization and deodorization process, modified bamboo activated carbon and activated white clay are used for one-time Achieve two purposes of decolorization and deodorization. Compared with the traditional refining technology, the production method of camellia oil in the present invention has the advantages of milder refining conditions, clear process parameters, and strong operability; it can effectively remove undesirable substances and bitter substances in the crude oil, and the index It complies with the national edible oil standard; it does not affect the fatty acid components of camellia oil, and fully retains the nutrients; the refined oil retains the inherent taste, smell and flavor of camellia oil; no crystal precipitation occurs at low temperature, which improves the edible performance.

Description

technical field [0001] The invention relates to the technical field of edible oil processing, in particular to a method for preparing camellia oil. Background technique [0002] Camellia oil is obtained from the seeds of the Camellia oleifera (Camellia oleifera Abel) tree. It is one of the oldest woody edible vegetable oils in China. China is the country with the widest distribution of Camellia plants in the world and the largest In addition to the tea oil production base, there are only a very small amount of distribution in countries such as Southeast Asia and Japan. The central production areas of camellia oleifera are distributed in the Dabie Mountains area, southwest and southern Hunan and Jiangxi in my country. Its cultivation history has more than 2,300 years. It is a unique oil tree species in China, and China is the origin of camellia oleifera. Camellia oleifera grows in the non-polluted subtropical Nanling humid climate zone, and no pesticides or chemical fertiliz...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B3/10C11B3/00B01J20/20B01J20/30
CPCB01J20/04B01J20/041B01J20/20C11B3/001C11B3/10
Inventor 祝洪刚章敏
Owner ZHEJIANG CHANGFA CEREALS OILS & FOODS
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