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Subcritical extraction process of high-quality chaenomeles speciosa seed oil

A melon seed oil, subcritical technology, applied in the direction of fat oil/fat production, fat oil/fat refining, fat production, etc., can solve the problems of small supercritical fluid production scale, easy oxidation and deterioration of oil, and limit industrial production, so as to reduce Industrial cost, high oil extraction rate, and the effect of realizing industrial production

Inactive Publication Date: 2015-04-29
WUHAN POLYTECHNIC UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high temperature of the pressing method, the oil is easy to oxidize and deteriorate; the leaching method has solvent residues, and the post-treatment process is complicated; the production scale of supercritical fluid is small, which limits industrial production

Method used

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  • Subcritical extraction process of high-quality chaenomeles speciosa seed oil
  • Subcritical extraction process of high-quality chaenomeles speciosa seed oil
  • Subcritical extraction process of high-quality chaenomeles speciosa seed oil

Examples

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Effect test

Embodiment 1

[0025] see figure 1 , in the embodiment of the present invention, a subcritical extraction process of high-quality papaya seed oil, the specific steps are as follows:

[0026] (1) Raw material pretreatment: choose full-grained and mature Xuan papaya seeds as raw materials, place them in an oven and dry at 40°C for 46 hours to obtain dried Xuan papaya seeds with a moisture content of 2.5%, and then put the dried Xuan papaya seeds into Pass through a 40-mesh sieve after entering the pulverizer to pulverize to obtain the seed kernel powder for subsequent use;

[0027] (2) Loading: Weigh 500.3g of the above-mentioned seed kernel powder, put it into a 200-mesh mesh silk and put it into the subcritical extraction kettle, and use a vacuum pump to make the vacuum degree in the subcritical extraction kettle and the separation kettle be -0.05MPa ;

[0028] (3) Subcritical fluid extraction: Inject the extraction solvent n-butane into the subcritical extraction kettle until the sample i...

Embodiment 2

[0033] see figure 1 , in the embodiment of the present invention, a subcritical extraction process of high-quality papaya seed oil, the specific steps are as follows:

[0034] (1) Raw material pretreatment: choose full-grained and mature Xuan papaya seeds as raw materials, place them in an oven and dry at 45°C for 48 hours to obtain dried Xuan papaya seeds with a moisture content of 2.2%, and then put the dried Xuan papaya seeds into Pass through a 45-mesh sieve after entering the pulverizer to pulverize to obtain the seed kernel powder for subsequent use;

[0035] (2) Loading: Weigh 480.6g of the above-mentioned seed kernel powder, put it into a 210-mesh mesh silk and put it into the subcritical extraction kettle, and use a vacuum pump to make the vacuum degree in the subcritical extraction kettle and the separation kettle be -0.08MPa ;

[0036] (3) Subcritical fluid extraction: inject the extraction solvent n-butane into the subcritical extraction kettle until the sample i...

Embodiment 3

[0041] see figure 1 , in the embodiment of the present invention, a subcritical extraction process of high-quality papaya seed oil, the specific steps are as follows:

[0042] (1) Raw material pretreatment: choose full-grained and mature Xuan papaya seeds as raw materials, put them in an oven and dry at 50°C for 50 hours to obtain dry Xuan papaya seeds with a moisture content of 2%, and then put the dried Xuan papaya seeds into Pass through a 50-mesh sieve after entering the pulverizer to pulverize to obtain the seed kernel powder for subsequent use;

[0043] (2) Loading: Weigh 800g of the above-mentioned seed kernel powder, put it into a 220-mesh mesh silk and put it into the subcritical extraction kettle, and use a vacuum pump to make the vacuum degree in the subcritical extraction kettle and the separation kettle be -0.1MPa;

[0044] (3) Subcritical fluid extraction: Inject the extraction solvent n-butane into the subcritical extraction kettle until the sample is completely ...

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Abstract

The invention discloses high-quality chaenomeles speciosa seed oil and a subcritical extraction process of the high-quality chaenomeles speciosa seed oil. The process comprises the following contents: selecting full and mature chaenomeles speciosa seeds, pulverizing and sieving for later use; extracting chaenomeles speciosa seed powder for multiple times by using a subcritical fluid extracting device by using n-butane as an extraction solvent; separating extraction solvent from a target product in a way of desolvation of a compressor and a vacuum pump-compressor combined desolvation to obtain crude oil; and performing refined filtration on the crude oil to obtain the high-quality chaenomeles speciosa seed oil. The method has the characteristics of simplicity in operation, low energy consumption, small pollution, short extraction time, high oil extraction rate and capability of realizing industrial production. By utilizing a subcritical fluid extraction technology, the extraction process is completed at a low temperature, the physicochemical property of the target product can be maintained, and nutritive components can be protected from being damaged; the extracted chaenomeles speciosa oil is high in quality and has low acid values and peroxide values; the polyphenol total content is more than 0.52 mg / g, the proportion of unsaturated fatty acid to fatty acid is more than 85 percent; oleic acid and linoleic acid respectively account for more than 40 percent and the proportions are approximately. The chaenomeles speciosa seed oil subjected to subcritical fluid extraction is simply filtered in a refined mode and can be used as high-grade plant oil and basic oil, so that the refining process is reduced, the industrial cost is reduced, and the high-quality chaenomeles speciosa seed oil has great significance in realizing new resource functional oil industrialization production.

Description

technical field [0001] The invention relates to the field of functional vegetable oil extraction, in particular to a subcritical extraction process of high-quality papaya seed oil. Background technique [0002] Xuan papaya is the dry and near-ripe fruit of the Rosaceae plant Begonia, mainly distributed in East China, Central China and Southwest China. Its nutritional value is comparable to that of kiwi fruit, and it is known as the "fruit of all benefits". It is one of the first batch of medicinal and edible foods announced by the Ministry of Health. Modern research has found that papaya mainly contains flavonoids, organic acids, triterpenoids, saponins, sugars, tannins and other chemical components, which have various pharmacological activities such as liver protection, gastrointestinal spasm relief, anti-inflammatory and analgesic. [0003] Xuan papaya has a wide planting area and high seed content. At present, the research on Xuan papaya mainly focuses on its chemical c...

Claims

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Application Information

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IPC IPC(8): C11B1/10C11B3/00
CPCC11B1/10C11B3/001
Inventor 何静仁张瑞祝振洲蔡小双李书艺
Owner WUHAN POLYTECHNIC UNIVERSITY
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