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Method for extracting tea oil

A technology of camellia oil and camellia oleifera, which is applied in the field of extracting camellia oil, can solve the problems of high equipment precision, high operating cost, and low yield, and achieve the effects of simple process, high total oil yield, and high use value

Inactive Publication Date: 2014-05-07
广西巴马印象生活体验产业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The operating conditions of supercritical fluid are relatively harsh, requiring high precision equipment and high operating costs
The water substitution method for extracting tea oil has simple equipment and low cost. At the same time, water is used as a solvent to avoid the use of organic solvents, but the yield is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Camellia oleifera seeds are cleaned and removed, shelled, ground into powder, and passed through a 140-mesh sieve. Tea oil powder and water in a mass volume ratio of 1:4, add hydrochloric acid to adjust the pH to 3 in a water bath at 50°C, add pectinase and cellulase for 60 minutes, and add pectinase and water at a mass ratio of 0.17:100 Volume ratio, the added cellulase and water form a mass volume ratio of 0.43:100. Sodium hydroxide was added to adjust the pH to 6, and bromelain was added for enzymolysis for 120 minutes, wherein the added bromelain and water had a mass volume ratio of 0.5:100. Centrifuge the tea seed powder solution after the extraction is complete at 5000 rpm to obtain the supernatant oil, centrifuge the middle emulsion to obtain the supernatant oil, combine the supernatant oils to obtain the total oil, and the extraction rate of the total oil is 94.5%

Embodiment 2

[0019] Camellia oleifera seeds are cleaned and removed, shelled, ground into powder, and passed through a 150-mesh sieve. Tea oil powder and water in a mass volume ratio of 1:4, add hydrochloric acid to adjust the pH to 3.5 in a water bath at 52°C, add pectinase and cellulase for 60 minutes, and add pectinase and water at a mass ratio of 0.2:100 Volume ratio, the added cellulase and water have a mass volume ratio of 0.5:100. Sodium hydroxide was added to adjust the pH to 7, and bromelain was added for enzymatic hydrolysis for 120 minutes, wherein the added bromelain and water had a mass volume ratio of 0.7:100. After the extraction is complete, the tea seed powder solution is centrifuged at 6000 rpm to obtain the supernatant oil, and the middle emulsion is centrifuged to obtain the supernatant oil, and the supernatant oils are combined to obtain the total oil, and the extraction rate of the total oil is 94.8%.

Embodiment 3

[0021] Camellia oleifera seeds are cleaned and dehulled, ground into powder, and passed through a 160-mesh sieve. Tea oil powder and water in a mass volume ratio of 1:4, add hydrochloric acid to adjust the pH to 5 in a water bath at 55°C, add pectinase and cellulase to hydrolyze for 60 minutes, and the added pectinase and water have a mass ratio of 0.25:100 Volume ratio, the added cellulase and water have a mass volume ratio of 0.55:100. Sodium hydroxide was added to adjust the pH to 8, and bromelain was added for enzymatic hydrolysis for 120 minutes, wherein the added bromelain and water had a mass volume ratio of 0.8:100. Centrifuge the tea seed powder solution after the extraction is complete at 7000 rpm to obtain the supernatant oil, centrifuge the middle emulsion to obtain the supernatant oil, combine the supernatant oils to obtain the total oil, and the extraction rate of the total oil is 95.6%

[0022] The process for extracting the camellia oil is simple, the total oi...

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PUM

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Abstract

The invention discloses a method for extracting tea oil. The method comprises the following steps: cleaning camellia seeds, removing impurities, shelling, grinding and screening to obtain camellia seed powder; adding water into the camellia seed powder and dissolving, adding hydrochloric acid to regulate the pH to be 3-5 under water bath conditions, adding pectinase and cellulase for performing enzymolysis, adding sodium hydroxide to regulate the pH to be 6-8, adding bromelain for performing enzymolysis, and finally, centrifuging and separating to obtain tea oil. The method for extracting the tea oil is simple in process, the total oil yield is high, the obtained tea oil does not contain an organic solvent, various active ingredients in the tea oil are prevented from being damaged, and the application value is high.

Description

technical field [0001] The invention relates to a method for extracting camellia oil from camellia oleifera seeds. Background technique [0002] Camellia oleifera is an evergreen small tree, and its seeds can be squeezed for edible oil. Camellia oil is a high-quality edible oil with clear taste and fragrance, rich nutrition and storage resistance; it can also be used in industry as lubricating oil and anti-rust oil. It grows in the high mountains and hilly areas of the southern subtropical region, mainly concentrated in the five provinces of Guangxi, Zhejiang, Jiangxi, Henan, and Hunan. [0003] The extraction and preparation methods of camellia oil mainly include mechanical pressing method, including high temperature pressing method and low temperature pressing method, organic solvent solvent extraction method, supercritical fluid extraction method, water substitution method and so on. Crude oil that has only been processed through the process of mechanical pressing conta...

Claims

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Application Information

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IPC IPC(8): C11B1/00
Inventor 黄容乐
Owner 广西巴马印象生活体验产业有限公司
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