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Dust granulation-leaching-residual oil removal process for oil-tea camellia cakes

A technology for camellia cake and dust is applied in the field of camellia cake dust granulation and leaching to remove residual oil. The effect of reducing dosage and improving permeability

Inactive Publication Date: 2018-11-27
安徽山美生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, extraction of camellia oil in camellia oleifera cake is mainly carried out by leaching method, but due to the low oil content in camellia oleifera cake and the poor permeability of camellia oleifera cake to the extract solution, the amount of extract solution is large and the amount of residual oil in tea meal is large. Too high and other problems greatly limit the extraction of camellia oil in camellia oleifera cake
At the same time, because the camellia oleifera cake contains a large amount of tea saponin, the tea saponin will enter the tea oil together during the extraction process of the tea oil, and the tea saponin has biological toxicity and will cause damage to the human body

Method used

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  • Dust granulation-leaching-residual oil removal process for oil-tea camellia cakes
  • Dust granulation-leaching-residual oil removal process for oil-tea camellia cakes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The process of oil tea cake dust granulation and leaching to remove residual oil includes the following steps:

[0029] (1) placing the camellia oleifera cake in a vacuum low-temperature cold air dryer, and drying at 32-35°C until the moisture content of the camellia oleifera cake is 25%-27%;

[0030] (2) Pulverize the camellia oleifera cake, pass through a 30-mesh sieve to obtain tea-oil tea cake powder, send the camellia oleifera cake powder into the microwave processing equipment, and microwave at intervals at a microwave frequency of 2450MHz and a power of 500W, the interval time is 5min, each microwave Treat for 10 minutes, 3 times in a row;

[0031] (3) the camellia oleifera cake powder after the microwave treatment is passed through a granulator, the compression ratio of the granulator is 1:7, the granulation diameter is 6mm, and the granulation length is 8mm;

[0032] (4) put the camellia oleifera cake particles in step 3 into an organic solvent and soak for 2....

Embodiment 2

[0038] The process of oil tea cake dust granulation and leaching to remove residual oil includes the following steps:

[0039] (1) placing the camellia oleifera cake in a vacuum low-temperature cold air dryer, and drying at 32-35°C until the moisture content of the camellia oleifera cake is 25%-27%;

[0040] (2) Pulverize the camellia oleifera cake, pass through a 30-mesh sieve to obtain tea-oil tea cake powder, send the camellia oleifera cake powder into the microwave processing equipment, and microwave at intervals at a microwave frequency of 2450MHz and a power of 500W, the interval time is 5min, each microwave Treat for 10 minutes, 3 times in a row;

[0041] (3) the camellia oleifera cake powder after the microwave treatment is passed through a granulator, the compression ratio of the granulator is 1:7, the granulation diameter is 6mm, and the granulation length is 8mm;

[0042] (4) put the camellia oleifera cake particles in step 3 into an organic solvent and soak for 2....

Embodiment 3

[0078] Based on Example 1, a comparative example 1 in which glycerin formal is not added to the organic solvent, a comparative example 2 in which DM130 macroporous adsorption resin is used, and a comparative example 3 in which a flash dryer is used to dry are set.

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Abstract

The invention discloses a dust granulation-leaching-residual oil removal process for oil-tea camellia cakes, relating to the technical field of extraction of oil-tea camellia cakes. The process comprises the steps of carrying out vacuum low-temperature cold air drying on the oil-tea camellia cakes, carrying out crushing, microwave processing and granulation, adding the obtained granules into an organic solvent for soaking, collecting organic leaching liquid, and purifying by virtue of adsorbent resin, so as to obtain tea-seed oil. Compared with a traditional process, the process disclosed by the invention has the advantages that the process is simple and environment-friendly, the solvent recycling rate is high, and the prepared tea-seed oil is high in purity and low in tea saponin content.

Description

Technical field: [0001] The invention relates to the technical field of extraction of camellia oleifera cake, in particular to a process for removing residual oil through granulation and leaching of camellia oleifera cake dust. Background technique: [0002] Camellia oleifera belongs to the family Theaceae, and is an evergreen small tree. It is named Camellia oleifera because its seeds can be squeezed for oil, and it is one of the four major woody oil plants in the world. Active ingredients such as squalene and sterol are more than twice that of olive oil, and its unsaturated fat content reaches 90%, and the oleic acid content reaches 74%-87%. Long-term consumption can moisturize the skin, delay the aging of the body, enhance memory, and have obvious improvement effects on high blood pressure, high blood fat, and cardiovascular and cerebrovascular diseases. It is called "soft gold in oil". [0003] Camellia oleifera cake is the cake of camellia oleifera fruit after oil extr...

Claims

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Application Information

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IPC IPC(8): C11B13/02C07H1/08C07H15/256C07J63/00
CPCC07H1/08C07H15/256C07J63/008C11B13/02Y02W30/74
Inventor 刘国功李心善徐光明徐可宇卢士明朱大华
Owner 安徽山美生物科技有限公司
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