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A method for low-temperature pressing and physical refining of camellia seed oil

A technology of physical refining of camellia seed oil, applied in chemical instruments and methods, food science, edible oil/fat, etc., can solve the problems of camellia oil active substance destruction, food safety hazards, etc., and achieve high retention rate and oil yield rate high effect

Active Publication Date: 2018-01-30
GUANGDONG RUIHENG AGRI & FORESTRY SCI & TECH DEV CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of extraction of crude oil by pressing process, the active substances of camellia oil are destroyed due to high-temperature drying\crushing\rolling and high-temperature steaming and frying at ≥180°C; during the process of extraction of crude oil by leaching process , due to the use of light gasoline or industrial ethane as a solvent to dissolve the camellia oil in camellia seeds, resulting in many potential food safety hazards and other potential hazards that are currently unknown

Method used

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  • A method for low-temperature pressing and physical refining of camellia seed oil

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Embodiment Construction

[0052] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0053] Concrete recasting agent of the present invention, comprises the steps:

[0054] see figure 1Shown, a kind of method of low-temperature pressing and physical method refining camellia seed oil, comprises the steps:

[0055] 1. Low temperature pressing process

[0056] (1) low temperature storage

[0057] The collected Camellia oleifera fruit is dried and shelled, the camellia seeds are taken out and then dried, and stored in a low temperature environment of 0°C-7°C for 7 days, and the biochemical principle of post-ripening of plant seeds is used to promote the post-ripening of camellia seeds;

[0058] (2) constant temperature drying

[0059] The camellia seeds are evenly heated and dried in the constant temperature hot air drum dryer, the drying temperature is 65°C or 70°C, the moisture content of the camellia seeds is measured by the moisture...

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Abstract

The invention relates to a low-temperature pressing and physical refining method of camellia-seed oil. The method comprises a low-temperature pressing process and a physical refining process; the low-temperature pressing process comprises sequential constant-temperature drying, peeling, magnetic separation, constant-temperature baking, tea seed kernel breaking, high-frequency microwave dry disinfection, cold pressing and hot pressing; the physical refining process comprises sequential oil residue separation, de-waxing, deodorization, decoloration and sterilization, ozone removal, nitrogen addition, and standing and bottling. According to the low-temperature pressing and physical refining method of the camellia-seed oil, at the same time of deodorization and decoloration by use of the strong oxidizing property of the ozone, bacteria dissolved in the camellia-seed oil also can be killed, and pesticide residue in the camellia-seed oil also can be decomposed; no chemical agent is utilized in the process and no pollution is caused; compared with a traditional oil pressing process, the water, electricity and gas resources can be greatly saved, and meanwhile, a large quantity of nutrient substances in the camellia-seed oil also are remained.

Description

technical field [0001] The invention relates to a pressing and refining process of camellia seed oil, in particular to a method for low-temperature pressing and physical refining of camellia seed oil. Background technique [0002] At present, the industrial processing technology of camellia oil is mainly to obtain crude oil by pressing method and leaching method. In the process of extraction of crude oil by pressing process, the active substances of camellia oil are destroyed due to high-temperature drying\crushing\rolling and high-temperature steaming and frying at ≥180°C; during the process of extraction of crude oil by leaching process , due to the use of light gasoline or industrial ethane as a solvent to dissolve the camellia oil in the camellia seeds, resulting in many potential food safety hazards and other potential hidden dangers that are currently unknown. Crude oil obtained by pressing or leaching is also subjected to degumming, deacidification and deodorization ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B1/04C11B1/06C11B3/00C11B3/16C11B3/02C11B5/00A23D9/04
CPCB07B1/28B07B1/4663C11B1/04C11B1/06C11B1/08C11B3/001
Inventor 许祥洪梁增瑞梁永锋
Owner GUANGDONG RUIHENG AGRI & FORESTRY SCI & TECH DEV CO LTD
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