Process for cold pressing tea seeds to produce oil

A technology of camellia oleifera seed and camellia oleifera seed shell, which is applied in the field of oil production process of camellia oleifera seed oil, which can solve the problems of solvent consumption affecting the extraction efficiency of leaching oil, high solvent content of wet meal, and locking of oil press, so as to avoid intensified friction The high temperature affects the quality of oil, the quality of finished oil is high, and it is beneficial to the effect of oil output

Inactive Publication Date: 2012-01-25
HUBEI HUANGPAOSHAN GREEN PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, if the proportion of camellia oleifera seed husks (husks in the kernels) contained in the camellia oleifera seed kernel is too low, the press chamber of the oil press is easily blocked by the pressed material, and the pressing is difficult to carry out; Without a skeleton, the material layer is easily compacted and the solvent penetration is difficult, resulting in high residual oil in the meal and high solven

Method used

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  • Process for cold pressing tea seeds to produce oil

Examples

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Effect test

Embodiment 1

[0039] This embodiment discloses a process for making oil from camellia oleifera seeds by cold pressing, which includes the following steps:

[0040] (1) clean up

[0041] Vibrating with a two-layer vibrating sieve to remove large and small impurities in the raw material for oil extraction of camellia oleifera seeds to obtain pure camellia oleifera seeds; wherein the large impurities are mainly uncracked camellia oleifera (or called tea bags). Of course, other methods can also be used to remove impurities, as long as the impurities can be removed to facilitate subsequent processes and improve the quality of refined oil.

[0042] (2) Low temperature drying

[0043] Use a flat-panel dryer to dry the pure Camellia oleifera seeds at low temperature, control the interlayer heating steam pressure at about 0.2MPa, and control the temperature within 70°C, and further dry the Camellia oleifera seeds with a moisture content of about 8% to a moisture content of 5%. about.

[0044] (3)...

Embodiment 2

[0064] The present embodiment is the best embodiment of the present invention, and the difference between the present embodiment and the embodiment is two points: 1, the weight ratio that keeps the camellia oleifera seed shell in the separated camellia seed kernel of described step (5) is 20 %. 2. The weight ratio of the water added in the step (7) is 1.5%.

[0065] The following is the quality reference data of the tea seed oil obtained by pressing the camellia oleifera seed by adopting the process of the present invention:

[0066]

[0067] The whole process of the invention does not generate high temperature, realizes the real cold pressing of camellia oleifera seed oil, achieves mature technology, high efficiency and low cost. Through the separation of kernels and shells, the proportion of shells in the kernels is well grasped, and the materials to be pressed are tempered to effectively solve the problems of high oil yield of oil plants, temperature control in the cold...

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Abstract

The invention relates to an oil production process of tea seed oil, and particularly discloses a process for cold pressing tea seeds to produce oil, which comprises the steps such as clearing, low-temperature drying, grading, husking, separating nut and husk, smashing, refining with water, pressing and fine filtering. The steaming embryo procedure in the present cold pressing process is abandoned in the process, steaming and stir-frying in hot pressing process are also avoided, and no high temperature is produced during the entire processing procedure, so no phenomenon that grease is oxidized, polymerized and decomposed to produce peroxide and harmful substances occurs. At the same time, the present refining procedure is also abandoned by the process, so the intervention of chemical substances can be avoided, and nutrient contents and natural flavor of the grease can be effectively maintained. The measures such as grading and refining with water procedures are added in the process, so the oil yield is higher.

Description

technical field [0001] The invention relates to an oil-making process of camellia oleifera seed oil, in particular to a cold-pressing oil-making process of camellia oleifera seeds. Background technique [0002] Camellia oleifera is one of the four largest woody edible oil tree species in the world. Camellia oleifera is full of treasures: Camellia oil is rich in nutrients, low in cholesterol, resistant to storage, rich in unsaturated fatty acids, and the content of oleic acid and linoleic acid is as high as 90%. Long-term Eating it has the effect of improving eyesight and invigorating the stomach, and is a high-quality woody edible oil. [0003] At present, there are two production processes of camellia oleifera seed oil, low-temperature pressing and high-temperature pressing, namely the so-called cold pressing and hot pressing. [0004] Wherein, the low-temperature pressing production process is: Camellia oleifera seeds→drying→hulling and separation→crushing→steaming blanks...

Claims

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Application Information

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IPC IPC(8): A23D7/04
Inventor 吴立杨子高胡健华
Owner HUBEI HUANGPAOSHAN GREEN PROD
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