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Processing method for camellia seed oil

A processing method and technology of tea seed oil, which are applied in the directions of edible oil/fat, fat oil/fat production, and fat oil/fat refining, etc., can solve the problems of loss of nutrients in tea seed oil, increase of harmful substances, etc., and increase flavor and nutrition. ingredients, the effect of improving oil yield

Inactive Publication Date: 2016-01-06
HUNAN LYUBO AGRI & FORESTRY DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the method of pressing camellia oil from camellia oleifera seeds can be roughly divided into cold pressing and hot pressing. Since hot pressing must be steamed and fried at high temperature, the nutritional components of the produced tea seed oil are seriously lost, and harmful substances such as peroxides increase; and The cold pressing process has high requirements for pressing equipment, and multiple pressings are required to reduce the residual oil to about 10%.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Turn the mature camellia seeds in the sun for 1 day, so that the water content of the camellia seeds is about 8%, and then use a crusher to crush them, and then use water as a conditioner to perform flaking and conditioning treatment on the camellia seed powder. After quality treatment, the water content of camellia seed powder should be kept at about 9%; then use double-screw oil press to carry out multiple cold pressing; when cold pressing, ensure that the pressing temperature is 5°C; then the cold-pressed oil residue The mixture is separated by a centrifuge; and 5wt% activated clay is added to the oil separated by the centrifuge, and then finely filtered by a bag filter, and the filtrate is precipitated for 10 hours, and then the filter residue is filtered to obtain high-grade tea seed oil. Next, mix the cold-pressed Camellia oleifera seed meal with the centrifuge-separated slag, and add the above-mentioned tea seed oil accounting for 1% of the mass fraction of the t...

Embodiment 2

[0028] Turn the mature camellia seeds in the sun for 2 days, so that the water content of the camellia seeds is about 6%, and then use a crusher to crush them, and then use water as a conditioner to perform flaking and conditioning treatment on the camellia seed powder. The water content of the oil-tea camellia seed powder after quality treatment should be kept at about 9%; then use a double-screw oil press for multiple cold pressing; when cold pressing, ensure that the pressing temperature is 15°C; then the cold-pressed oil residue The mixture is separated by a centrifuge; and 6wt% activated clay is added to the oil separated by the centrifuge, and then finely filtered by a bag filter, and the filtrate is precipitated for 11 hours, and then the filter residue is filtered to obtain high-grade tea seed oil. Next, mix the cold-pressed Camellia oleifera seed meal with the slag separated by a centrifuge, and add the above-mentioned tea seed oil accounting for 2% by mass fraction o...

Embodiment 3

[0030] Turn the mature camellia seeds in the sun for 1 day, so that the water content of the camellia seeds is about 7%, and then use a crusher to crush them, and then use water as a conditioner to perform flaking and conditioning treatment on the camellia seed powder. The water content of the oil-tea camellia seed powder after quality treatment should be kept at about 10%; then use a double-screw oil press to carry out multiple cold pressing; when cold pressing, ensure that the pressing temperature is 20°C; then the cold-pressed oil residue The mixture is separated by a centrifuge; and 8wt% activated clay is added to the oil separated by the centrifuge, and then finely filtered by a bag filter, and the filtrate is precipitated for 12 hours, and then the filter residue is filtered to obtain high-grade tea seed oil. Next, mix the cold-pressed Camellia oleifera seed meal with the slag separated by a centrifuge, add the above-mentioned tea seed oil accounting for 3% of the mass f...

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Abstract

The invention relates to the field of squeezing camellia seed oil, particularly a processing method for camellia seed oil. The method comprises: tedding cured camellia seeds in the sunshine, and putting the camellia seeds in a crusher to be crushed; carrying out flaking and adjusting treatment on the crushed camellia seed powder; carrying out cold-squeezing by use of a twin-screw oil press; separating a cold-squeezed oil-dreg mixture by use of a centrifugal separator; and finely filtering the separated oil and depositing the filtrate, and then filtering the filtrate to obtain the camellia seed oil. By carrying out flaking and adjusting treatment on the camellia seed powder, the grain size, the squeezing temperature and the water content and the like of the camellia seeds can be adjusted, so that the oil yield is increased. Meanwhile, the camellia seed meal is mixed with the dreg separated by the centrifugal separator, and the mixture is added with camellia seed oil and is subjected to filter pressing, so that part of nutrients in the camellia seed meal and the dreg are added into the camellia seed oil, the flavor and nutritional components of the final camellia seed oil can be increased; and moreover, the oil yield is further increased, and the residual oil can be reduced to be no greater than 5%.

Description

technical field [0001] The invention relates to the technical field of pressing tea seed oil, in particular to a processing method of tea seed oil. Background technique [0002] Camellia oleifera is native to my country and has a utilization and cultivation history of about 2,000 years. It is the main edible oil plant in my country. The camellia oil produced by the camellia seed on the camellia tree is a high-quality high-grade edible oil. The content of fatty acid, mainly oleic acid and linoleic acid, accounts for more than 90%. The erucic acid and behenic acid contained in it also do not contain cholesterol that can cause blood pressure to increase and cause arteriosclerosis. Camellia oil is resistant to storage, not easy to rancid, and will not produce aflatoxin that causes human cancer. Tea oil is delicious and fragrant, and it is the best oil for cooking food, processing canned food, and making margarine. Camellia oleifera is an evergreen small tree with a life span ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/06C11B3/00A23D9/02
Inventor 杨江波
Owner HUNAN LYUBO AGRI & FORESTRY DEV CO LTD
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