Method for low-temperature extraction of seabuckthorn seed oil, and compound product

A technology of sea buckthorn seed oil and sea buckthorn seeds is applied in the directions of oil/fat production, production of fat, edible oil/fat, etc., which can solve the problems of easy oxidation and low effective active components of compound oil products, and achieves high recovery rate and reduced Production cost, simple pretreatment effect

Inactive Publication Date: 2017-05-31
GANSU AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Another object of the present invention is to provide a method for extracting seabuckthorn seed oil at low temperature, so as to solve the problem tha

Method used

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  • Method for low-temperature extraction of seabuckthorn seed oil, and compound product
  • Method for low-temperature extraction of seabuckthorn seed oil, and compound product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Remove impurities from seabuckthorn fruit seeds, rinse with water and drain, then dry in an oven at 45°C, use a roller to press seabuckthorn seeds to a pancake shape with a thickness of 0.02mm, weigh 500g, put it into an extraction bag and place In an extraction kettle with a capacity of 3L, and close the feed valve. Open the exhaust valve and exhaust the extraction kettle through a vacuum pump to ensure that the air in the kettle is completely removed and the pressure in the kettle is reduced to -0.5Mpa. Close the exhaust valve and open the liquid inlet valve. The 1,1,1,2-tetrafluoroethane solvent in the solvent tank is transported by a high-pressure plunger pump, and then heated to 55°C by a plate heat exchanger to make the 1,1,2-tetrafluoroethane solvent After the 1,2-tetrafluoroethane solvent reaches the subcritical state, inject it into the extraction kettle through the plunger pump, observe the liquid level through the sight glass until the solvent submerges the r...

Embodiment 2

[0029] The difference from Example 1 is that the seabuckthorn seeds are rinsed with water, drained, dried in an oven at 50°C, and pressed to a pancake shape with a thickness of 0.03mm by a rolling machine. The extraction pressure is 0.75MPa. The extraction time for 4 times is 90min, and the other conditions are the same. Under this condition, the yield of crude oil was 86.4%. The crude oil was centrifuged to remove impurities at 4°C and 16000 r / min to obtain the finished seed oil. The finished seabuckthorn seed oil is compounded, mixed, and bottled at a ratio of 45%, seabuckthorn fruit oil 40%, and olive oil 15%.

Embodiment 3

[0031] The difference from Example 2 is that the seabuckthorn seeds are rinsed with water, drained, put into an oven and dried at 40°C, and the thickness of the seabuckthorn seeds is pressed to a pancake shape of 0.01mm with a roller compactor. The 1,1,1 in the solvent tank , The 2-tetrafluoroethane solvent was heated to 50°C through a plate heat exchanger, the extraction pressure was 0.65 MPa, and the extraction time in the extraction tank was 60 minutes for three times, and other conditions were the same. Under this condition, the crude oil yield was 85.2%. The crude oil was centrifuged to remove impurities at 4°C and 16000 r / min to obtain the finished seed oil. The finished seabuckthorn seed oil is compounded, mixed, and bottled at a ratio of 55%, seabuckthorn fruit oil 40%, and olive oil 5%.

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Abstract

The invention discloses a method for the low-temperature extraction of seabuckthorn seed oil, and a compound product so as to solve the problem in the existing method that unsaturated oil and fat in the seed oil is likely to oxidize and a compound grease product has low effective active ingredients. The compound product of the seabuckthorn seed oil is compounded by the following raw materials in parts by weight: 45-55% of seabuckthorn seed oil, 40-50% of fructus hippophae oil and 5-15% of olive oil. The method for the low-temperature extraction of the seabuckthorn seed oil comprises the following steps: preprocessing: carrying out edulcoration on fructus hippophae raw materials, draining after clean water rinsing is carried out, then, drying in an oven at a drying temperature of 40-50 DEG C, and then, pressing the fructus hippophae to a thin pancake shape of which the thickness is 0.01-0.03mm; then, carrying out low-temperature extraction to obtain crude seabuckthorn seed oil; carrying out centrifugation and edulcoration on the crude seabuckthorn seed oil to obtain finished product seed oil. According to the method, subcritical equipment is applied to extract the seabuckthorn seed oil, the seabuckthorn seed oil is compounded with the fructus hippophae oil to obtain compound seabuckthorn grease with higher stability.

Description

technical field [0001] The invention belongs to the field of health-care oil processing, and in particular relates to a method for extracting seabuckthorn seed oil at low temperature and a compound product. Background technique [0002] The area of ​​seabuckthorn in my country accounts for about 95% of the total area of ​​seabuckthorn in the world. Seabuckthorn has the ecological benefits of improving soil and preventing water and soil, and also has high economic benefits. Its berries are rich in nutrients and functional components, and can be used to produce fruit juice and fruit wine. Its seed oil is rich in various unsaturated fatty acids and functional components. Antioxidant, liver protection, anti-inflammatory and other biological activities. [0003] The common extraction methods of oils and fats include pressing method, solvent method and CO2 extraction method. 2 supercritical extraction, etc. The pressing method requires high-temperature treatment of raw material...

Claims

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Application Information

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IPC IPC(8): C11B1/04C11B1/10C11B3/16A23D9/04
Inventor 冯丽丹毕阳李霁昕柴守环盛文军魏娟
Owner GANSU AGRI UNIV
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