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Process for quickly breaking cell walls of Chinese wolfberry seeds and extracting seed oil

An extraction process and technology of wolfberry seeds, which are applied in the direction of fat oil/fat production and fat production, can solve the problems of large molecular weight and lowering, and achieve the effects of low extraction temperature, reduced extraction time, and easy industrial promotion and application.

Inactive Publication Date: 2013-06-19
QINGHAI FLAXSEED BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But SC-CO 2 Is a non-polar solvent, when extracting certain components in natural products, CO 2 The extraction efficiency will be greatly reduced due to factors such as strong polarity, large molecular weight, and being bound by related substances.

Method used

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  • Process for quickly breaking cell walls of Chinese wolfberry seeds and extracting seed oil
  • Process for quickly breaking cell walls of Chinese wolfberry seeds and extracting seed oil

Examples

Experimental program
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Effect test

Embodiment 1

[0023] Embodiment 1 Lycium barbarum seed cell rapid wall breaking and seed oil extraction process comprise the following steps:

[0024] (1) Lycium barbarum seed cell wall breaking treatment: After the washed and dried wolfberry seeds are crushed to a particle size of 20 mesh, they are placed in the extraction kettle; CO is introduced into the extraction kettle. 2 , after raising the pressure in the extraction kettle to 40 MPa at normal temperature, keep it for 15 minutes; then close the inlet valves at both ends of the extraction kettle, and drop the pressure in the extraction kettle to atmospheric pressure within 1 minute to obtain the broken wolfberry seeds.

[0025] (2) pack the Lycium barbarum seeds after the broken wall of step (1) gained in the extraction kettle, pass into CO simultaneously 2 , the extraction kettle pressure is 28.5Mpa, temperature is 40.2 ℃, the consumption of entrainer ethanol (mass concentration is 95%) adds 6.88mL, CO 2 The flow rate is 50L / h under...

Embodiment 2

[0027] Embodiment 2 Lycium barbarum seed cell rapid wall breaking and seed oil extraction process comprise the following steps:

[0028] (1) Lycium barbarum seed cell wall breaking treatment: After the washed and dried wolfberry seeds are crushed to a particle size of 60 mesh, they are placed in the extraction kettle; CO is introduced into the extraction kettle. 2 After raising the pressure in the extraction kettle to 45 MPa at normal temperature, keep it for 10 minutes; then close the inlet valves at both ends of the extraction kettle, and drop the pressure in the extraction kettle to atmospheric pressure within 5 minutes to obtain the wolfberry seeds after the wall is broken.

[0029] (2) pack the Lycium barbarum seeds after the broken wall of step (1) gained in the extraction kettle, pass into CO simultaneously 2 , the extraction kettle pressure is 30.0Mpa, temperature is 45.0 ℃, the consumption of entrainer ethanol (mass concentration is 95%) adds 8.45mL, CO 2 The flow ra...

Embodiment 3

[0031] Embodiment 3 Lycium barbarum seed cell rapid wall breaking and seed oil extraction process comprise the following steps:

[0032] (1) Lycium barbarum seed cell wall breaking treatment: After the washed and dried wolfberry seeds are crushed to a particle size of 40 mesh, they are placed in the extraction kettle; CO is introduced into the extraction kettle. 2 After raising the pressure in the extraction kettle to 43 MPa at normal temperature, keep it for 12 minutes; then close the inlet valves at both ends of the extraction kettle, and drop the pressure in the extraction kettle to atmospheric pressure within 3 minutes to obtain the broken wall wolfberry seeds.

[0033] (2) pack the Lycium barbarum seeds after the broken wall of step (1) gained in the extraction kettle, pass into CO simultaneously 2 , the extraction kettle pressure is 29.0Mpa, temperature is 42.0 ℃, the consumption of entrainer ethanol (mass concentration is 95%) adds 7.50mL, CO 2 The flow rate is 35L / h u...

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Abstract

The invention relates to a process for quickly breaking cell walls of Chinese wolfberry seeds and extracting seed oil. The process comprises the following steps of: (1) breaking the cell walls of the Chinese wolfberry seeds: crushing the cleaned and dried Chinese wolfberry seeds and filling into an extraction kettle; introducing CO2 into the extraction kettle; raising the pressure in the extraction kettle to the pressure of between 40 and 45MPa at normal temperature and keeping for 10 to 15 minutes; closing air inlet valves at the two ends of the extraction kettle; and reducing the pressure in the extraction kettle to atmospheric pressure in 1 to 5 minutes to obtain the wall-broken Chinese wolfberry seeds; and (2) filling the wall-broken Chinese wolfberry seeds obtained in the step (1) inthe extraction kettle; introducing the CO2 at the same time; extracting under a supercritical condition for 60 to 70 minutes; and performing two-stage separation under reduced pressure to obtain the Chinese wolfberry seed oil. The process is simple and environmentally-friendly and is low in cost; the extraction time can be greatly shortened, so the oil yield reaches the maximum value in a shortest time; and the process can be widely applied to advanced development and production preparation of various functional unsaturated fatty acid medicaments and health foods thereof.

Description

technical field [0001] The invention relates to the field of wolfberry processing, in particular to a rapid wall breaking of wolfberry seed cells and a process for extracting seed oil. Background technique [0002] Lycium barbarum seeds are a by-product of wolfberry processing, accounting for 3% of the whole grain, and 30kg of wolfberry seeds can be obtained by processing 1t of fresh fruit. Lycium barbarum seed oil is refined by pressing or extracting wolfberry seeds. The oil contains a lot of unsaturated fatty acids, V E and phospholipids. In addition to its edible value, wolfberry oil also has medical and health care functions, and can be used as an adjuvant treatment for cardiovascular and cerebrovascular diseases such as hypertension, hyperlipidemia, and atherosclerosis. [0003] Supercritical CO 2 Fluid extraction (SFE-CO 2 ) technology is widely used in medicine, food, chemical industry and other fields. The process is easy to operate, and CO 2 It is non-toxic, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B1/10C11B1/04
Inventor 索有瑞李国梁王洪伦
Owner QINGHAI FLAXSEED BIOTECH CO LTD
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