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Process for extracting black tea oil

An extraction process, black tea technology, applied in the production of edible oil/fat, fat oil/fat, and fat production, can solve the problems of low production efficiency, low oil yield, poor quality, etc. mild effect

Inactive Publication Date: 2015-07-01
CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] There are many kinds of tea oil extraction processes, the most common ones are pressing, organic solvent extraction, solvent leaching, microwave treatment, etc., but the pressing method has low oil yield, high labor intensity, low production efficiency, cake residue The disadvantage of high oil content; the disadvantages of organic solvent extraction and solvent leaching are that there are more oily substances in the extracted crude oil, the color is deep, the quality is poor, and it contains a certain amount of residual solvent; the POV value of camellia oil by microwave treatment , acid value, color and other quality indicators will certainly affect

Method used

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Embodiment Construction

[0014] The present invention will be further described in detail below with specific embodiments.

[0015] A black tea oil extraction process consists of the following steps:

[0016] (1) Choose 60-100kg of black tea seeds with no mildew spots and uniform particles, and wash, dry, and crush. It is best to use a special washing machine to improve the cleaning effect; drying and crushing are also best to use special Desiccant and crusher;

[0017] (2) Put the crushed black tea seeds into a 600 ml centrifuge tube, add 260-280 ml of water, and mix;

[0018] (3) The mixed black tea seeds are subjected to a water bath for 12-15 minutes to inactivate the enzyme at a temperature of 90-95°C;

[0019] (4) After cooling to room temperature, adjust the pH value and add enzyme, place it in a refrigerating constant temperature shaker, and carry out enzymolysis at the set enzymolysis temperature and enzymolysis time;

[0020] (5) After the reaction is completed, perform a water bath for 10-15 minutes ...

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Abstract

The invention discloses a process for extracting black tea oil. The process comprises the following steps: (1) selecting, washing, drying and crushing 60-100 kg of choice black tea seeds; (2) uniformly mixing the crushed black tea seeds in a centrifugal pipe after water is added inside; (3) performing enzyme killing of the uniformly-mixed black tea seeds in a water bath; (4) cooling to the room temperature, adjusting the pH value, performing enzymolysis in a frozen constant-temperature oscillator under the conditions of set enzymolysis temperature and set enzymolysis time; (5) performing enzyme killing after the reaction is finished; and (6) centrifuging for 35-40 minutes in a centrifugal machine. The process for extracting the black tea oil disclosed by the invention has lower requirements for equipment and mild action conditions, and oil extracted according to the process disclosed by the invention has higher quality; the process for extracting the black tea oil disclosed by the invention can effectively recover tea saponin, protein and carbohydrates in plant raw materials while extracting the oil, and truly meets the requirements of safe, high-efficiency and green production of edible oil.

Description

Technical field [0001] The invention relates to an oil extraction process, in particular to a black tea oil extraction process. Background technique [0002] There are many types of extraction processes for tea oil, the most common ones are pressing, organic solvent extraction, solvent extraction, microwave treatment, etc. However, the pressing method has low oil yield, high labor intensity, low production efficiency, and cake residue. The shortcomings of high oil content; the shortcomings of organic solvent extraction and solvent leaching methods are that the extracted crude oil contains more oily substances, dark color, poor quality, and contains a certain amount of residual solvent; the microwave treatment method has the POV value of tea oil , Acid value, color and other quality indicators will certainly affect the impact. Therefore, it is necessary to find an extraction process with simple extraction process, high oil yield and good oil quality. Summary of the invention [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/00C11B1/04A23D9/02
Inventor 何含杰何功秀王世龙
Owner CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY