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Method for abstracting tea seed oil from camellia oleifera seed

A technology of tea seed oil and camellia oleifera, applied in biochemical equipment and methods, fat oil/fat production, enzymes, etc., can solve the problems of not using tea seed oil extraction, etc., to achieve easy quality control, simple equipment, and few operating links Effect

Inactive Publication Date: 2010-08-18
HUNAN AGRICULTURAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In the prior art, there is no method for extracting tea seed oil from tea seeds by using an aqueous enzymatic method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1--7

[0023] Weigh 20kg of tea seed kernels after shelling, grind them on a grinder for 3 times, add them to 80kg of hot water with a water temperature of 60--95°C, add 0.05% of tea seed kernels α-amylase, and adjust the pH of the feed solution pH value to 5, enzymatic hydrolysis, extraction for 3 hours, centrifugal separation on a sedimentation centrifuge to obtain liquid (oil and water) and wet residue, the liquid is heated to about 80 ° C, and then the tea seed oil and process water are separated by a disc separator. The obtained tea seed oil is dried under vacuum condition, and then filtered to obtain the finished tea seed oil, and the yield of the tea seed oil is calculated. The prepared tea seed oil was tested according to the standard method, and the results are shown in Table 1.

[0024] Table 1. Effect of extraction temperature on oil color and oil extraction rate when using amylase to extract tea seed oil

[0025] temperature(°C)

Embodiment 8—12

[0027] Take by weighing 20kg of tea seed kernels after shelling, grind 2 times on a grinder, add 80kg of water temperature to 40--60°C hot water, add 0.5% cellulase of tea seed kernel weight (purchased from Ningxia Heshi Bi Biotechnology Co., Ltd.), adjust the pH of the feed solution to 4.5-5, enzymatically hydrolyze, extract for 3 hours, centrifuge and separate the liquid (oil and water) and wet residue on a sedimentation centrifuge, heat the liquid to about 80 ° C, and then use a plate The tea seed oil and process water were separated by a type separator, and the obtained tea seed oil was dried under vacuum and then filtered to obtain the finished tea seed oil. The yield of the tea seed oil was calculated, and the finished oil was tested. The results are shown in Table 2.

[0028] Table 2 Effect of extraction temperature on oil color and oil extraction rate when using cellulase to extract tea seed oil

[0029] temperature(°C)

Embodiment 13--16

[0031] Weigh 20kg of tea seed kernels after shelling, grind them twice on a grinder, and add them to hot water with a water temperature of 60--95°C. The weight ratio of raw tea seed kernels to water is 1:3--1:6 , add α-amylase with 1.0% tea seed kernel weight, adjust the pH value of the feed liquid to pH5, enzymolyze, extract for 3 hours, and centrifuge on a sedimentation centrifuge to obtain liquid (oil and water) and wet residue, and heat the liquid to 80 At about ℃, the tea seed oil and process water are separated by a disc separator. The results are shown in Table 3.

[0032] Table 3 The effect of adding water on the extraction rate of tea seed oil

[0033] Material: water ratio

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Abstract

The invention discloses an extracting method of tea seed oil from tea seed, which comprises the following steps: adopting tea seed core as raw material; grinding to add water to stir into slurry; adding amylase or / and cellulose enzyme to enzymolyze; separating to obtain the product. The invention improves the oil-out rate more than traditional extracting method, which remains more non-oil nourishing element.

Description

technical field [0001] The invention relates to a method for extracting edible oil from plants, in particular to a method for extracting tea seed oil from camellia oleifera seeds. Background technique [0002] Camellia oleifera belongs to the genus Camellia of the family Theaceae, and is mainly distributed in the hills and low mountains in the Yangtze River Basin and south of China. Camellia oleifera seed (camellia seed) is the seed of camellia oleifera. The oil content of camellia oleifera seeds varies with varieties and origins. Generally, the oil content is 20%-30%. Camellia oleifera oil is vegetable oil extracted from camellia oleifera seeds. Camellia oleifera seed oil mainly contains fatty acids such as oleic acid, linoleic acid and palmitic acid, among which the content of oleic acid and linoleic acid is more than 90%. In addition, it also contains nutrients such as vitamin E and squalene, which is unique to our country. An excellent health vegetable oil. Camellia ol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B1/00C12S3/18C12N9/26C12N9/42
Inventor 周建平郭华
Owner HUNAN AGRICULTURAL UNIV
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