Method for extracting tea seed oil from oil-tea camellia seeds

A technology for tea seed oil and camellia oleifera seeds, which is applied in the field of tea seed oil extraction, can solve the problems of low oil yield in low temperature storage, difficult application and the like, and achieves the effects of low acid value and peroxide value, easy handling and light color and luster.

Inactive Publication Date: 2017-03-29
合肥观云阁科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A method for extracting tea seed oil from camellia oleifera seeds, comprising the following steps:

[0018] 1) using shelled tea seed kernels as raw materials, freezing them with liquid nitrogen, and pulverizing them immediately after the treatment to obtain pulverized tea seed kernels;

[0019] 2) Immediately add the pulverized tea seed kernels into water at a temperature of 50°C, and then use ultrasonic-microwave treatment to destroy tea seed kernel cells. The process parameters are: ultrasonic wave 30W, microwave 10-200W (automatic adjustment), time 60min;

[0020] 3) Add compound enzymes (amylase and pectinase) accounting for 0.02% of the weight of tea seed kernels to step 2), the enzymolysis conditions are 50°C, pH 6-7.5, after the enzymolysis is completed, centrifuge to obtain wet residue and liquid, Then the liquid is separated into tea seed oil and process water. The oil yield was 27.52%.

Embodiment 2

[0022] A method for extracting tea seed oil from camellia oleifera seeds, comprising the following steps:

[0023] 1) using shelled tea seed kernels as raw materials, freezing them with liquid nitrogen, and pulverizing them immediately after the treatment to obtain pulverized tea seed kernels;

[0024] 2) Immediately add the pulverized tea seed kernels into water at a temperature of 55°C, and then use ultrasonic-microwave treatment to destroy the tea seed kernel cells. The process parameters are: ultrasonic wave 40W, microwave 10-200W (automatic adjustment), time 50min;

[0025] 3) Add compound enzymes (amylase and pectinase) accounting for 0.05% of the weight of tea seed kernels to step 2), the enzymolysis conditions are 55°C, pH 6-7.5, after the enzymolysis is completed, centrifuge to obtain wet residue and liquid, Then the liquid is separated into tea seed oil and process water. The oil yield was 28.32%.

Embodiment 3

[0027] A method for extracting tea seed oil from camellia oleifera seeds, comprising the following steps:

[0028] 1) using shelled tea seed kernels as raw materials, freezing them with liquid nitrogen, and pulverizing them immediately after the treatment to obtain pulverized tea seed kernels;

[0029] 2) Immediately add the pulverized tea seed kernels into water at a temperature of 60°C, and then use ultrasonic-microwave treatment to destroy the tea seed kernel cells. The process parameters are: ultrasonic wave 50W, microwave 10-200W (automatic adjustment), time 20min;

[0030] 3) Add compound enzymes (amylase and pectinase) accounting for 0.1% of the weight of tea seed kernels to step 2), the enzymolysis conditions are 60°C, pH 6-7.5, after the enzymolysis is completed, centrifuge to obtain wet residue and liquid, Then the liquid is separated into tea seed oil and process water. The oil yield was 27.87%.

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Abstract

The invention provides a method for extracting tea seed oil from oil-tea camellia seeds. The method comprises the following steps that 1, husked tea seed kernels are taken as raw materials to be subjected to freezing treatment with liquid nitrogen and then crushed immediately after treatment, and crushed tea seed kernels are obtained; 2, the crushed tea seed kernels are added into 50-60-DEG C water immediately and then subjected to ultrasonic wave-microwave treatment to break tea seed kernel cells, wherein the process is conducted according to the process parameters that the power of ultrasonic waves is 30-50 W, the power of microwaves is 10-200 W, and the time is 20-60 min; 3, a compound enzyme of which the weight accounts for 0.02%-0.1% of that of the tea seed kernels is added into the crushed tea seed kernels obtained in the step 2, enzymolysis is conducted under the conditions that the temperature ranges from 50 DEG C to 60 DEG C and the pH is 6-7.5, separation is conducted, and the tea seed oil is obtained. According to the method, the oil yield of the tea seed oil is increased, the oil quality of the tea seed oil is improved, and the defects of low oil yield, high temperature, high pressure, organic solvent residues and more nutrient ingredient losses which exist in a traditional technology are fundamentally overcome.

Description

technical field [0001] The invention belongs to the technical field of tea seed oil extraction, and in particular relates to a method for extracting tea seed oil from camellia oleifera seeds. Background technique [0002] my country is a big tea country, and tea seeds are by-products of tea production, which are similar to camellia oleifera seeds and camellia seeds, and have high oil content. The physical and chemical properties of tea seed oil are very similar to those of camellia oleifera oil and olive oil. The unsaturated fatty acids in the molecule are mainly oleic acid and linoleic acid, and the content of oleic acid is between 40% and 57%, which has higher antioxidant capacity. Sex and better physiological activity, it is considered to be a kind of fatty acid beneficial to health. In addition to a large amount of unsaturated fatty acids, tea seed oil also contains a certain amount of tea polyphenols, squalene, tocopherol, vitamin E and other important health ingredien...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/10C11B3/00
CPCC11B1/04C11B1/106C11B3/001C11B3/003
Inventor 张杰
Owner 合肥观云阁科技发展有限公司
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