Method for purely physically preparing camellia oil at low temperature

A camellia oil, pure physical technology, applied in the direction of fat oil/fat production, fat generation, etc., can solve the problems of destroying oil active substances, many process steps, hidden dangers of food safety, etc., to reduce production costs, simplify process steps, and improve production. The effect of sales

Active Publication Date: 2012-06-27
湖北四季春茶油股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the production method of camellia oil is mainly to extract crude oil by pressing or leaching, and then refine it through filtration, degumming, deacidification, deodorization, decolorization, winterization and other processes. Drying, crushing, rolling, and high-temperature steaming and pressing above 110°C will cause damage to the active substances in the oil, and industrial hexane is used in the solvent leaching process, resulting in potential food safety hazards

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Select mature Camellia oleifera seeds and dry them at 55°C until the moisture content in the Camellia oleifera seeds is 12%. After drying, the camellia oleifera seeds are naturally cooled to room temperature, and then processed by vibrating sieves and winnowing devices to remove mold. Change tea seeds and impurities. Putting the camellia seeds from which impurities have been removed into a sheller for shelling treatment to obtain tea seed kernels, the shell content of which is controlled to be 5%. The tea seed kernels are directly pressed at room temperature to obtain crude oil and cake. The oil output temperature of the crude oil is about 45°C, and the residual oil content in the cake is controlled at about 5.5%. After filtering out the insoluble impurities in the crude oil, the camellia oil is obtained, and then the tea oil is washed with water. The first washing method is as follows: transfer the crude oil to the washing tank, and stir the tea oil at a speed of 35 rp...

Embodiment 2

[0029] Select mature Camellia oleifera seeds and dry them at 75°C until the moisture content in the Camellia oleifera seeds is 8%. After drying, the Camellia oleifera seeds are naturally cooled to room temperature, and then treated by vibrating sieves and air separation devices to remove mold. Change tea seeds and impurities. Put the camellia seeds from which impurities have been removed into a sheller for shelling treatment to obtain tea seed kernels, and the shell content rate in the tea seed kernels is controlled to be 12%. The tea seed kernels are directly pressed at room temperature to obtain crude oil and cake, the oil-extraction temperature of the crude oil is controlled at about 75°C, and the residual oil content in the cake is controlled at about 3.5%. After filtering out the insoluble impurities in the crude oil, the camellia oil is obtained, and then the tea oil is washed with water. The first water washing follows the following method: transfer the crude oil to the...

Embodiment 3

[0035] Select mature Camellia oleifera seeds and dry them at 65°C until the moisture content in the Camellia oleifera seeds is 10%. After drying, the camellia oleifera seeds are naturally cooled to room temperature, and then treated by vibrating sieve and winnowing device to remove mold. Change tea seeds and impurities. Put the camellia seeds from which impurities have been removed into a sheller for shelling treatment to obtain tea seed kernels, and the shell rate in the tea seed kernels is controlled to be 8%. The tea seed kernels are directly pressed at room temperature to obtain crude oil and cake, the oil-extracting temperature of the crude oil is controlled at about 60°C, and the residual oil content in the cake is controlled at about 4.3%. After filtering out the insoluble impurities in the crude oil, the camellia oil is obtained, and then the tea oil is washed with water. The first washing is as follows: transfer the crude oil to the washing tank, and stir the tea oil ...

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Abstract

The invention provides a method for purely physically preparing camellia oil at a low temperature. The method comprises the following steps of: 1, drying; 2, shelling; 3, squeezing to obtain crude oil; 4, filtering the crude oil to obtain camellia oil; 5, washing the camellia oil by using two steps; 6, deodorizing the washed camellia oil; 7, drying and cooling; 8, growing crystal at the low temperature; and 9, performing precision filtration. The method for purely physically preparing the camellia oil at the low temperature in the whole process has the following advantages that: purely physical processes are adopted in the whole process, and chemical substances are not added; all the treatment processes are performed at the temperature of less than 100 DEG C, so that harmful substances brought by high-temperature operation and damage to nutritional substances in grease are effectively avoided; and the method is compact in steps and easy to operate, improves the production-sale ratio and reduces the production cost.

Description

technical field [0001] The invention relates to a method for producing camellia oil, in particular to a method for producing camellia oil in the whole process of pure physical processing using camellia seeds as raw materials, and belongs to the field of agricultural product processing. Background technique [0002] Camellia seed is a unique woody oil resource in my country. The fatty acid composition in camellia oil is similar to that of olive oil. It is known as "Oriental olive oil", "king of oils", and "golden liquid". Camellia oil contains up to 90% of essential monounsaturated fatty acids, rich in vitamin E, tea polyphenols, camellia glycosides, camellia saponins, and elements such as calcium, iron, zinc, and antioxidants VE and squalene. Woody vegetable oil with edible value, medical value and health value. [0003] At present, the production method of camellia oil is mainly to extract crude oil by pressing or leaching, and then refine it through filtration, degumming,...

Claims

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Application Information

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IPC IPC(8): C11B1/04C11B1/06C11B1/00
Inventor 余旭东汪志强谢磊
Owner 湖北四季春茶油股份有限公司
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