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Supercritical extraction technology of cynomorium songaricum oil

A supercritical and Cynomorium technology, applied in the field of biochemistry, can solve problems such as difficulty in extraction, loss of antioxidant activity, and low oil content, and achieve the effects of no solvent residue, short extraction cycle, and no environmental pollution

Inactive Publication Date: 2016-08-17
CHINA ACAD OF SCI NORTHWEST HIGHLAND BIOLOGY INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Cynomorium resource is one of the important psammophyte resources, but its oil content is low, and it is difficult to extract by traditional methods. At present, there is no case where traditional extraction methods are applied to the extraction of Cynomorium oil
At the same time, because Cynomorium oil contains a large amount of antioxidant oxygen-containing fatty acids, high-temperature frying by other processes will inevitably destroy its structure, thereby making it lose its antioxidant activity

Method used

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  • Supercritical extraction technology of cynomorium songaricum oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Cynomorium supercritical CO 2 The main steps of extraction are as follows:

[0024] In the first step, the collected cynomorium stems from which inflorescences have been removed are removed from impurities and crushed to obtain cynomorium powder.

[0025] In the second step, the Cynomorium powder is dried at 30°C to 40°C, and sieved through a sieve with a pore size of 0.177 μm to 0.25 μm.

[0026] In the third step, using supercritical CO 2 The fluid extracts the sieved Cynomorium powder, the fluid extraction pressure is 20-30MPa, the extraction temperature is 35°C-45°C, CO 2 The fluid flow rate is 12ml / min-20ml / min, the extraction time is 1.5h-2.5h, and the Cynomorium oil extract is obtained.

[0027] The fourth step is to centrifuge the Cynomorium oil extract in a high-speed centrifuge with a rotation speed of 10000r / min-12000r / min at a room temperature of 20-30°C for 10min-30min to remove impurities and obtain Cynomorium oil.

[0028] Wherein, in the second step,...

Embodiment 2

[0033] Cynomorium supercritical CO 2 The main steps of extraction are as follows:

[0034] In the first step, the collected cynomorium stems from which inflorescences have been removed are removed from impurities and crushed to obtain cynomorium powder.

[0035] In the second step, the Cynomorium powder is dried at 30° C. for 24 hours, and sieved with a sieve with a pore size of 0.177 μm.

[0036] In the third step, using supercritical CO 2 The fluid extracts the sieved Cynomorium powder, the fluid extraction pressure is 30MPa, the extraction temperature is 40°C, CO 2 The fluid flow rate is 12ml / min, the extraction time is 2.5h, and the Cynomorium oil extract is obtained.

[0037] The fourth step is to place the Cynomorium oil extract in a high-speed centrifuge with a rotation speed of 12000r / min at room temperature for 10 minutes to remove impurities and obtain Cynomorium oil. Cynomorium oil extraction rate reached 2.78%.

Embodiment 3

[0039] In the first step, the collected cynomorium stems from which inflorescences have been removed are removed from impurities and crushed to obtain cynomorium powder.

[0040] In the second step, the Cynomorium powder is dried at 40°C and sieved through a sieve with a pore size of 0.25 μm.

[0041] In the third step, using supercritical CO 2 The fluid extracts the sieved Cynomorium powder, the fluid extraction pressure is 30MPa, the extraction temperature is 45°C, CO 2 The fluid flow rate is 12ml / min, the extraction time is 2.5h, and the Cynomorium oil extract is obtained.

[0042] In the fourth step, the Cynomorium oil extract is placed in a high-speed centrifuge with a rotation speed of 12000r / min and centrifuged for 10 minutes at a room temperature of 25°C to remove impurities and obtain Cynomorium oil. Cynomorium oil extraction rate reached 2.64%.

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Abstract

The invention relates to a supercritical extraction technology of cynomorium songaricum oil. The technology comprises the following steps: grinding: grinding the stem of cynomorium songaricum to obtain cynomorium songaricum powder; drying: drying the cynomorium songaricum powder and sieving; extraction: extracting the sieved cynomorium songaricum powder by using a supercritical CO2 fluid to obtain a cynomorium songaricum oil extract; and centrifugal separation: performing centrifugal separation on the cynomorium songaricum oil extract to obtain the cynomorium songaricum oil. The supercritical extraction technology of the cynomorium songaricum oil, provided by the invention, has the advantages of high extraction rate, low extraction cost, no solvent residue, short extraction period and no environmental pollution and can provide a technical support for small-batch production of special oil.

Description

technical field [0001] The invention relates to the field of biochemistry, in particular to a supercritical extraction process of Cynomorium oil. Background technique [0002] Vegetable oil is one of the important sources for human beings to obtain essential fatty acids, and it is also an important chemical raw material. With the in-depth research on vegetable oil resources, many physiological functions and effects of vegetable oils have been gradually discovered. At the same time, people pay more and more attention to the research of oil extraction methods for different purposes, in order to obtain the most economical and applicable vegetable oil extraction scheme. [0003] The existing vegetable oil acquisition methods mainly include mechanical pressing, leaching and water substitution. Among them, the mechanical pressing method has the disadvantages of low oil yield, high labor intensity, and low production efficiency. In addition, due to the steaming and frying process...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/10C11B3/16
CPCC11B1/04C11B1/104C11B3/16
Inventor 周玉碧孙菁田永祯张玉杨仕兵程业森卢学峰高立平叶润蓉武志博孙胜男彭敏王旭甘霖彭立新邓娟王劼袁园园黄晓辉夏瑞瑞
Owner CHINA ACAD OF SCI NORTHWEST HIGHLAND BIOLOGY INST
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