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Method for extracting tea seed oil from tea seeds by microwave processing

A technology of microwave treatment and tea seed oil, which is applied in the direction of fat oil/fat production and fat generation, can solve the problems of difficulty in application, limited improvement of oil yield, and method of extracting tea seed oil without using microwave treatment of camellia seed oil

Inactive Publication Date: 2012-07-04
郑小非
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example: Chinese patent application discloses CN187754 and CN101096612A etc., but in its method to the condition of raw material low-temperature storage and the problem that the oil yield of enzymatic hydrolysis method increases limit, all be difficult to be applied to actual production
[0004] In the prior art, there is no method for extracting tea seed oil by microwave treatment of camellia seed

Method used

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  • Method for extracting tea seed oil from tea seeds by microwave processing
  • Method for extracting tea seed oil from tea seeds by microwave processing
  • Method for extracting tea seed oil from tea seeds by microwave processing

Examples

Experimental program
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Effect test

example 1

[0020] Weigh 100kg of dehulled tea seed kernels containing 50.6% oil, add 2.5kg of tea seed oil as an oil-inducing agent, mix thoroughly and pulverize to 60-80 mesh, and heat the pulverized material to 55°C by microwave irradiation, and press 3:1 Add 300L of 2.5% brine to adjust the slurry, and then stir and fuse at a constant temperature of 75mir at 55°C and 40-180r / min. The clear oil obtained through centrifugation is washed with water to remove salt and dried in vacuum to obtain 48.2kg of high-quality tea seed oil. Calculate Oil yield rate:

[0021] 48.2kg-2.5kg=45.7kg / 47×100=97.23%

example 2

[0023] Weigh 100kg of dehulled tea seed kernels containing 50.6% oil, add 4.5kg of tea seed oil as an oil-inducing agent, mix well and pulverize to 60-80 mesh, and heat the pulverized material to 85°C by microwave irradiation. Add 350L of water to adjust the pulp. Add alkali to adjust the pH to 8-10, stir and fuse at a constant temperature at 75°C and 120-180r min for 150min, and the clear oil obtained after centrifugation is washed with water to remove the alkali and vacuum dried to obtain high-quality tea seed oil 54.32 kg, calculate the oil yield:

[0024] 54.32kg-4.5kg=49.82kg / 50.6×100=98.46%

[0025] The main indicators of the tested examples 1 and 2 have exceeded the national standard of the first-grade oil for crushed finished products. The specific data are shown in Table 1,

[0026] Table 1 Comparison table of the main indicators of the national pressed tea seed oil finished product level 1 and examples 1 and 2

[0027]

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Abstract

The invention relates to a method for extracting edible oil from plant seeds, in particular to a method for extracting tea seed oil from tea seeds. The technical scheme comprises the steps of: taking unshelled tea seeds as a raw material, adding tea seed oil as an oil attractant according to a certain proportion, mixing evenly and crushing, heating by microwave irradiation to sufficiently fracture the oily cells, mixing with water containing salt or alkaline, and stirring and mixing, centrifugally separating, washing and vacuum drying at constant temperature to finally obtain the high-qualitytea seed oil with high oil yield and undamaged nutrition constituents. The method of the invention solves the defects of the traditional tea seed oil in the extraction process, such as low oil yield,high temperature and high pressure, residue of a harmful solvent, and more loss of effective constituents.

Description

technical field [0001] The invention relates to a method for extracting edible oil from plant seeds, in particular to a method for extracting tea seed oil from camellia oleifera seeds. Background technique [0002] Camellia oleifera seed (Camellia oleifera seed), also known as camellia seed, is a unique woody oil plant in my country, mainly in Jiangxi, Hunan, Guangxi, Anhui and other places south of the Yangtze River. Camellia seed oil is an edible vegetable oil extracted from camellia oleifera seeds. The content of oleic acid and linoleic acid in tea seed oil is more than 90%, and it is rich in various nutrients necessary for human body. It is a high-quality oil integrating edible, medical and health care. Therefore, it is known as "Oriental olive oil". However, for a long time, the extraction of tea seed oil has been using traditional mechanical pressing, solvent extraction and chemical refining processes. Due to the high temperature, high pressure and harmful substances...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B1/00C11B1/04
Inventor 郑小非胡加林万绍平李琳郁郑怡鸿
Owner 郑小非
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