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Processing technology of pressed tea oil

A processing technology, camellia oil technology, applied in the direction of fat oil/fat production, fat oil/fat refining, fat production, etc., can solve the problems of large-scale production of peroxide, destruction of camellia oil nutrition, and prolonged processing time, so as to reduce peroxidation Product increase, shorten settling time, reduce the effect of acid value increase

Inactive Publication Date: 2019-05-03
彭云辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The prolongation of harvesting and pretreatment time, such as long-term natural drying, leaching and steaming and frying processes will cause a large amount of free fatty acids in the oil, which will increase the acid value, resulting in a large amount of peroxides in the oil, making subsequent processing necessary. The chemical refining process requires the addition of lye to neutralize free fatty acids, high temperature deodorization and other steps, which will reduce the content of vitamins, phytosterols and other nutrients in the finished oil to an extremely low level, which not only destroys the nutrition of camellia oil, alkali refining The discharge of waste liquid will cause environmental pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A kind of processing technology of pressing camellia oil, comprises the following steps:

[0018] (1) Selection and picking: select and pick mature tea seeds, pick and remove mildewed and deflated tea seeds, this step is completed within 20 hours; the tea seeds are camellia seeds or tea seeds;

[0019] (2) Drying and shelling: the picked tea seeds are vacuum-dried to a water content of 9% by microwave, and the dried tea seeds are sent to a shelling machine for shelling, and the shelling rate is more than 99%. Tea seeds are dehulled so that the shell content in the tea seed kernel is less than 0.4%; the dehulled tea seeds are dehulled by winnowing and dehulling;

[0020] (3) cold pressing: the tea seeds after dehulling are entered into a cold press for cold pressing to obtain camellia oil, the oil output temperature of the cold press is lower than 90°C, and the oil output rate is controlled at 80%;

[0021] (4) Impurity removal: the pressed camellia oil is passed throug...

Embodiment 2

[0025] A kind of processing technology of pressing camellia oil, comprises the following steps:

[0026] (1) Selection and picking: select and pick mature tea seeds, pick and remove mildewed and deflated tea seeds, this step is completed within 20 hours; the tea seeds are camellia seeds or tea seeds;

[0027] (2) Drying and shelling: the picked tea seeds are vacuum-dried to a water content of 11% by microwave, and the dried tea seeds are sent to a shelling machine for shelling, and the shelling rate is more than 99%. Tea seeds are dehulled so that the shell content in the tea seed kernel is less than 0.4%; the dehulled tea seeds are dehulled by winnowing and dehulling;

[0028] (3) cold pressing: the tea seeds after dehulling are entered into a cold press for cold pressing to obtain tea oil. The oil output temperature of the cold press is lower than 90° C., and the oil output rate is controlled at 90%;

[0029] (4) Impurity removal: the pressed camellia oil is passed through ...

Embodiment 3

[0033] A kind of processing technology of pressing camellia oil, comprises the following steps:

[0034] (1) Selection and picking: select and pick mature tea seeds, pick and remove mildewed and deflated tea seeds, this step is completed within 20 hours; the tea seeds are camellia seeds or tea seeds;

[0035] (2) Drying and shelling: the picked tea seeds are vacuum-dried to a moisture content of 10% by microwave, and the dried tea seeds are sent to a shelling machine for shelling, and the shelling rate is more than 99%. Tea seeds are dehulled so that the shell content in the tea seed kernel is less than 0.4%; the dehulled tea seeds are dehulled by winnowing and dehulling;

[0036] (3) cold pressing: the tea seeds after dehulling are entered into a cold press for cold pressing to obtain camellia oil, the oil output temperature of the cold press is lower than 90°C, and the oil output rate is controlled at 85%;

[0037] (4) Impurity removal: the pressed camellia oil is passed th...

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Abstract

The invention discloses a processing technology of pressed tea oil, the processing technology comprises the following steps: (1) selecting and picking; (2) drying and shelling; (3) performing cold pressing; (4) removing impurities; (5) settling; and (6) guiding the oil. According to the method disclosed by the invention, the pre-treatment time after the picking is controlled, the pre-treatment process is completed within 20 hours after the picking, and oxidative deterioration of fatty acids in tea seeds is effectively prevented. The tea seeds are dried under the conditions of low temperature and high vacuum degree by adopting a vacuum microwave drying mode, the combination of the fatty acids and proteins in tea seed kernels is destroyed by virtue of oscillation action of microwaves, the precipitation of fatty glyceride is promoted, the oil yield in the cold pressing process is improved, and under the low temperature and vacuum state, the acid price increase and peroxide product increase caused by high temperature and oxygen are reduced, and the difficulty of the subsequent processing technology is reduced.

Description

technical field [0001] The invention relates to a processing technology of pressed tea oil. Background technique [0002] Camellia seeds and tea seeds are the seeds of Camellia oleifera and tea leaves, and are one of the oldest traditional woody edible vegetable oils in my country. Their fatty acid composition is very reasonable, and they contain tea polysaccharides, saponins, flavonoids, tea polyphenols, and vitamins. and phytosterols and other nutritional and functional active substances. Regular consumption of tea seed oil has the effects of reducing three highs, improving immunity, anti-radiation, scavenging free radicals, and preventing tumors. It is a healthy edible oil and a topical oil for health care. [0003] At present, the extraction process of tea seed oil basically adopts leaching or steaming, frying and pressing, and the refining process of crude oil basically adopts hydration degumming-alkali refining and deacidification-water washing-filtration decolorization...

Claims

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Application Information

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IPC IPC(8): C11B1/04C11B1/06C11B3/16
Inventor 彭云辉
Owner 彭云辉
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