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Aqueous enzymatic camellia oil extraction method

An oil-water enzyme and process technology, which is applied in the production of fat oil/fat, refining of fat oil/fat, and fat production, can solve the problems of easy residual solvent, large environmental pollution and low price.

Inactive Publication Date: 2014-05-21
BEIJING ZHONGTIAN JINGU GRAIN OIL ENG TECH
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Problems solved by technology

In Camellia oleifera seed production areas, tea oil is mostly produced by workshop-style pressing process, which not only has high cost and low oil yield, but also because tea seeds contain more reducing sugars, it is easy to occur due to high temperature during the pressing process. Browning makes the oil darker, which makes the oil quality poor and the price is not high, the use is limited, and its press cake is also difficult to use
There are also factories that use the leaching method, but the organic solvents used are volatile, and it is difficult for small factories to meet the requirements of safe production, the cost is high, and the pollution to the environment is great.
Moreover, the residual solvents in the refined oil are easy to exceed the standard, endangering the health of consumers

Method used

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Embodiment Construction

[0007] In the process involved in this project, the tea seed raw material enters the No. 6 elevator 15 through the feeder 16; it is lifted to the homogenizing hopper 14 through the No. 6 elevator 15, and is cleaned and classified by the multi-stage cleaning screen 13; the tea seed enters the No. 5 elevator 17. Transport to the stone removal machine 18 to clean up the stones and other sundries in the tea seed oil to avoid damage to subsequent equipment. After cleaning, the tea seed oil is transported to the flat dryer 10 through the No. 4 elevator 11 for drying; the water vapor is discharged to the outside through the fan 19. After the tea seed oil is dried, it is transported to the peeling machine 7 by the No. 3 elevator 9 to separate the tea seed shell; The separated sundries are transported outdoors together for treatment. The separated tea seed raw material is transported to pulverizer 5 through No. 2 hoist 6 for pulverization; the pulverized tea seed particles are transpo...

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Abstract

The invention discloses an aqueous enzymatic camellia oil extraction method. According to the aqueous enzymatic camellia oil extraction method, mechanization of camellia seed unshelling can be realized; camellia seed oil content is high, and reaches 35.0 to 60.0%; camellia seed raw material is subjected to mechanical pulverization, and is mixed with water with a water to camellia seed raw material ratio of 3:1ml / g; extraction temperature is 40 DEG C; and extraction time is 90min. Operation temperature is low; energy consumption is low; the obtained oil is high in purity, low in phospholipid content, light in color, and low in acid value and peroxide value; generated waste water is low in BOD and COD, and is convenient for treatment, and less pollution is caused; the aqueous enzymatic camellia oil extraction method is capable of meeting with demands of 'high efficient, safe, and green'.

Description

Technical field: [0001] The technology of the present invention is applied to the special edible oil-camellia oil; the shelled and peeled tea seed kernels are directly ground in the oil raw material, then mixed with pulp and extracted, and the clear oil of tea oil is obtained through centrifugal separation; the technology of improving the oil yield field. Background technique: [0002] Camellia oleifera seed, also known as camellia seed, is one of the four major woody oil plants in the world. It is mainly distributed in Jiangxi, Hunan, Anhui, and Guangxi provinces in China, with Hunan being the most. In addition, there are only a very small amount of distribution in Southeast Asia, Japan and other places. Camellia oil extracted from Camellia oleifera seeds is rich in various nutrients, such as tea polyphenols, camellia glycosides, camellia saponins, etc.; especially its fatty acid composition is reasonable, 74% to 84% is oleic acid, which is not only unsaturated fatty acid,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/00C11B1/04C11B3/00
Inventor 李宁
Owner BEIJING ZHONGTIAN JINGU GRAIN OIL ENG TECH
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