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Method for extracting tea seed oil by water with microwave pretreatment

A tea seed oil and pretreatment technology, applied in the direction of fat oil/fat production, fat generation, etc., can solve the problems of low oil yield and difficult application in low temperature storage

Active Publication Date: 2010-07-14
郑小非
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example: Chinese patent application publication CN187754 and CN101096612A etc., but in its method to the requirement of raw material cryogenic storage and the problem of low oil yield, all be difficult to be applied to actual production
[0005] In the prior art, there is no method for leaching tea seed oil with water after microwave pretreatment of camellia seed

Method used

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  • Method for extracting tea seed oil by water with microwave pretreatment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Weigh 100kg of dehulled tea seed kernels containing 47% oil, add 1.5kg of tea seed oil as an oil-inducing agent, mix thoroughly and grind to 60-80 mesh, heat the crushed material to 55°C by microwave irradiation, and Add 250L of 60°C hot water at a ratio of 2.5:1 to adjust the slurry, then stir and leach at a constant temperature of 60°C and 40r / min for 35min, and then vacuum-dry the clear oil after centrifugation to obtain 46.56kg of tea seed oil, and calculate the oil yield for:

[0022] 46.56kg-1.5kg=45.06kg / 47kgx100%=95.87%

Embodiment 2

[0024] Weigh 100kg of shelled tea seed kernels containing 50.6% oil, add 7.5kg of tea seed oil as an oil-inducing agent, pulverize to 60-80 mesh, heat the pulverized material to 85°C by microwave irradiation, add 85°C heat at a ratio of 10.5:1 Mix 1050L of water, stir and leach for 150min at a constant temperature under the conditions of 85°C and 180r / min, and vacuum-dry the clear oil after centrifugation to obtain 56.06kg of tea seed oil. The calculated oil rate is:

[0025] 56.06kg-7.5kg=48.56kg / 50.6kgx100%=95.97%

[0026] After testing, the main indicators of Examples 1 and 2 have exceeded the national standard for leaching first-grade finished tea seed oil, and the specific data are as shown in Table 1:

[0027] Table 1 Comparison table of the national standard value of the first-grade leached tea seed oil and the main indicators of Examples 1 and 2

[0028]

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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 seed, which adopts the technical scheme that: unshell tea seed is adopted as raw material, less tea seed oil is added to be used as oil guide agent to be smashed after uniform mixing, the oil-contained cells are adequately cracked through the microwave radiation and heating, then hot water is added for size mixing, and the finished product tea seed oil with oil yield being not less than 95 percent and complete nutrition components is obtained through constant-temperature mixing, extracting, centrifugal separation and vacuum drying. The method solves the weaknesses that the oil yield is low, the temperature and the pressure are high, organic solvent remains, a great amount of nutrition components is lost, and the like during the prior extraction process of the tea seed oil.

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, and its main production areas are in Jiangxi, Hunan, Anhui and southwestern provinces 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 as high as 90%, and it is rich in vitamin E, squalene and other 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". [0003] But for a long time, the extraction of tea seed oil has been using the traditional production process of mechanical pressing, solvent extraction and chemical refi...

Claims

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Application Information

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IPC IPC(8): C11B1/00C11B1/10
Inventor 郑小非胡加林万绍平李琳郁郑怡鸿
Owner 郑小非
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