Method for extracting tea seed soil and tea saponin through microwave reinforcement in same process

A technology for tea saponin and tea seed oil, which is applied in the field of microwave enhanced simultaneous extraction of tea seed oil and tea saponin, and achieves the effects of low extraction temperature, good extraction effect, and avoidance of damage.

Inactive Publication Date: 2013-08-28
湖南泥头山油茶开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The literature on supercritical CO 2 The process of extracting tea seed oil has been studied in detail, but without the use of supercritical CO 2 Fluid extraction of tea seed oil, followed by supercritical CO 2 Add entrainer to the fluid to extract tea saponin, so as to achieve the same set of supercritical CO 2 Research on obtaining high-quality tea seed oil and high-activity tea saponin successively on the fluid extraction device

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1. Pretreatment stage: Put 20kg of camellia seeds into the sheller to shell them, then crush the camellia seeds with a plant grinder and pass through a 60-mesh sieve;

[0022] 2. Microwave irradiation: Carry out microwave irradiation treatment to the Camellia oleifera seed powder processed in the above step, the microwave power is 600W, and the treatment time is 3min;

[0023] 3. Supercritical fluid extraction: Take 5 kg of camellia seed kernel powder treated by microwave irradiation and put it into the extraction kettle for supercritical CO 2 Fluid extraction, the extraction temperature is 45°C, the extraction pressure is 30MPa, after continuous extraction for 2 hours, the extract is released from the separation kettle to obtain 2.08kg of tea seed oil;

[0024] 4. Double supercritical fluid extraction: Add 30% of the mass of camellia oleifera seed kernel powder and an 80% ethanol aqueous solution, and then extract the oil-tea camellia seed kernel powder in the previous...

Embodiment 2

[0026] 1. Pretreatment stage: Put 20kg of camellia seeds into the sheller to shell them, then crush the camellia seeds through a plant grinder and pass through a 60-mesh sieve;

[0027] 2. Microwave irradiation: Carry out microwave irradiation treatment to the Camellia oleifera seed powder processed in the above step, the microwave power is 800W, and the treatment time is 5min;

[0028] 3. Supercritical fluid extraction: 6Kg of camellia seed kernel powder processed in the previous step is subjected to supercritical CO 2 Fluid extraction, the extraction temperature is 50°C, the extraction pressure is 40MPa, and the extraction liquid is released from the separation kettle after continuous extraction for 2 hours to obtain 2.41 kg of tea seed oil;

[0029] 4. Double supercritical fluid extraction: add 30% of the mass of camellia oleifera seed kernel powder with a volume fraction of 70% methanol aqueous solution, and then extract the oil-tea camellia seed kernel powder after the oi...

Embodiment 3

[0031] 1. Pretreatment stage: Put 25 kg of camellia seeds into the sheller to shell them, then crush the camellia seeds through a plant grinder and pass through an 80-mesh sieve;

[0032] 2. Microwave irradiation: Carry out microwave irradiation treatment to the Camellia oleifera seed powder processed in the above step, the microwave power is 1000W, and the treatment time is 2min;

[0033] 3. Supercritical fluid extraction: 8 kg of Camellia oleifera seed powder processed in the previous step was subjected to supercritical CO 2 Fluid extraction, the extraction temperature is 40°C, the extraction pressure is 45MPa, after continuous extraction for 2 hours, the extract is released from the separation kettle to obtain 3.28 kg of tea seed oil;

[0034] 4. Double supercritical fluid extraction: add 50% of the mass of camellia oleifera seed kernel powder and a 60% volume fraction of ethanol aqueous solution, and extract the camellia oleifera seed kernel powder after oil extraction in ...

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Abstract

The invention relates to a method for extracting tea seed soil and tea saponin through microwave reinforcement in the same process. The method comprises the following steps: husking and crushing tea seeds, carrying out microwave irradiation for a period of time, filling into an extraction kettle of a supercritical fluid extraction device, extracting tea seed powder by utilizing supercritical CO2 fluid, and then discharging extraction liquor from a separation kettle to obtain tea seed oil; and then adding low alcohol-water solution in a certain proportion through an entrainer feed inlet of the supercritical fluid extraction device, changing the extraction temperature and extraction pressure, extracting for a period of time by reutilizing the supercritical CO2 fluid, and then discharging the extraction liquid from the separation kettle to obtain tea saponin alcohol solution. The method combines the advantages of microwave pretreatment technology and supercritical CO2 fluid extraction technology, high-quality tea seed oil and high-activity tea saponin can be obtained sequentially in the same one supercritical CO2 fluid extraction device, the production technique flow can be simplified, and the production efficiency can be improved.

Description

technical field [0001] The invention belongs to the field of deep food processing, and in particular relates to a microwave-intensified simultaneous extraction method for tea seed oil and tea saponin. Background technique [0002] Camellia oleifera is one of the four woody edible oil source tree species with the same reputation as oil palm, olive and coconut. Camellia oleifera in my country is rich in resources, and the area of ​​camellia oleifera forest accounts for more than 80% of the area of ​​woody edible oil plants, mainly distributed in mountainous and hilly areas in southern my country. Tea seed oil made from camellia oleifera seed is a high-quality health-care edible oil with nutritional value, frying function, and physiological effects that exceed ordinary bulk oils (such as soybean oil, rapeseed oil, palm oil, and cottonseed oil). Tea saponin is a natural surfactant with excellent foaming and emulsifying properties, antibacterial, anti-inflammatory, insecticidal ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/10C07H15/256C07H1/08C07J63/00
CPCY02P20/54
Inventor 吴苏喜宋斌刘瑞兴李慧谭传波闫帅航黄闪闪宋艳秋
Owner 湖南泥头山油茶开发有限公司
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