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Oil extraction method for vegetable oil microcapsule powder

An extraction method and oil extraction technology, which are applied in the production of fat/fat and fat production, can solve the problems of complex process, large consumption of reagents, long time, etc., and achieve mild extraction conditions, good application prospects, and reduced usage.

Inactive Publication Date: 2018-12-14
PERFECT CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Alkaline ether method and acid hydrolysis method belong to destructive extraction, which can hydrolyze the wall material of embedded oil through acid and alkali, and the extraction rate is high, but the operation steps of adding acid, alkali and heating in this extraction method will affect the properties of oil. It will cause changes, which will cause distortion for the determination of oil acid value and peroxide value; Soxhlet extraction method is difficult to extract cleanly and consumes a lot of reagents and takes a long time; the extraction process of chloroform-methanol mixed solvent is complicated and the reagent toxicity is high; mechanical grinding method The extraction efficiency is low, time-consuming and labor-intensive; single-solvent ultrasonic wall breaking method and organic solvent extraction method have little influence on oil properties, and the operation is simple, but the extraction rate mainly depends on whether the solvent can penetrate the wall material well, and at the same time Oil extraction, solvent selection is narrow

Method used

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  • Oil extraction method for vegetable oil microcapsule powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] a) Weigh 15 g of linseed oil powder (Dalian Yinuo Biological Co., Ltd., oil content 52%) into a centrifuge cup, add 15 mL of water and stir with a glass rod to dissolve and form an emulsion, then add 30 mL of absolute ethanol and stir Mix evenly, then add 60 mL of petroleum ether at 30-60°C, mix well, cover the mouth of the cup with plastic wrap, and seal it with a rubber band;

[0020] b) Sonicate at 1000W, 80KHz for 15 minutes, centrifuge the ultrasonically processed sample at 3000 rpm for 10 minutes, use a separatory funnel to separate layers, discard the lower layer solution, and pass the upper layer liquid through a bath filled with a little anhydrous sodium sulfate. After filtering through the funnel, transfer it to an evaporating flask, absorb 25mL of petroleum ether at 30-60°C to wash the funnel to absorb grease, pour the eluent into the evaporating flask, and evaporate the solvent to dryness with a rotary evaporator in a water bath below 40°C, that is 6.1g of o...

Embodiment 2

[0022] a) Weigh 15 g of the same batch of linseed oil powder as in Example 1 into a centrifuge cup, add 25 mL of water and stir with a glass rod to dissolve and form an emulsion, then add 45 mL of ethanol with a volume fraction of 95% and stir evenly, and then Add 90 mL of petroleum ether at 30-60°C, mix well, cover the mouth of the cup with plastic wrap, and seal it with a rubber band;

[0023] b) Sonicate for 10 min at 1000W, 80KHz, centrifuge the ultrasonically processed sample at 3000 rpm for 5min, separate layers with a separatory funnel, discard the lower layer solution, and pass the upper layer liquid through a funnel filled with a little anhydrous sodium sulfate After filtering, transfer it to an evaporating flask, draw 25mL of petroleum ether at 30-60°C to absorb the oil in the rinsing funnel, put the eluent into the evaporating flask, and evaporate the solvent to dryness with a rotary evaporator in a water bath below 40°C to obtain Oil 6.0g, oil extraction rate 76.5%...

Embodiment 3

[0025] a) Weigh 20 g of the same batch of linseed oil powder as in Example 1 into a centrifuge cup, add 30 mL of water and stir with a glass rod to dissolve and form an emulsion, then add 60 mL of ethanol with a volume fraction of 90% and stir evenly. Then add 90mL of petroleum ether at 30-60°C, mix well, cover the mouth of the cup with plastic wrap, and seal it with a rubber band;

[0026] b) Sonicate at 1000W, 37KHz for 10min, centrifuge the sonicated sample at 3000 rpm for 5min, separate layers with a separatory funnel, discard the lower layer solution, and filter the upper layer liquid through a funnel filled with a little anhydrous sodium sulfate Then transfer to the evaporating flask, draw 25mL of petroleum ether at 30-60°C to absorb the oil in the rinsing funnel, pour the eluent into the evaporating flask, evaporate the solvent to dryness with a rotary evaporator in a water bath below 40°C, and obtain the oil 8.2g, the oil extraction rate is 78.5%.

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Abstract

The invention discloses an oil extraction method for vegetable oil microcapsule powder. The method comprises: adding water into vegetable oil microcapsule powder, carrying out stirring to obtain an emulsion, then adding anhydrous ethanol into the emulsion, carrying out uniform stirring, adding petroleum ether into the mixture, carrying out uniform mixing, carrying out ultrasonic treatment and centrifugation on the sealed solution, collecting the solution in the upper layer, adding the solution into an evaporation flask and carrying out evaporation to remove the solvent so that vegetable oil isobtained. The oil extraction method has the advantages of simple operation, mild extraction conditions, small influence on oil, high extraction rate and low toxicity and has a good application prospect.

Description

technical field [0001] The invention discloses a method for extracting oil from vegetable oil microcapsule powder, which belongs to the technical field of food detection. Background technique [0002] The polyunsaturated fatty acid content of functional oils is generally relatively high, so the stability is poor and the shelf life is short. The birth of microencapsulation technology can well delay the deterioration speed of this kind of oil and enhance the stability of quality. As a new form of oil, we still need to monitor the quality of the microencapsulated oil. Generally speaking, acid value and peroxide value are key indicators to measure the quality of oil. In order to determine the acid value and peroxide value of oil in microencapsulation, the first step is to extract the oil as the core material. At present, oil extraction methods include acid hydrolysis, alkaline ether method, ultrasonic wall breaking method with a single solvent, mechanical grinding method, Soxh...

Claims

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Application Information

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IPC IPC(8): C11B1/04C11B1/10
CPCC11B1/04C11B1/106
Inventor 温馨郁晓艺欧阳道福卜闪闪梁淑明陈晶罗文光魏毅凡胡瑞连
Owner PERFECT CHINA
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