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Green tea oil, and preparation method

A technology of green tea oil and manufacturing method, applied in the fields of edible oil/fat, food science, application, etc., can solve the problem of leaving chemical residues such as solvents, avoid the loss of harmful substances and nutrients, enhance toughness, delay effects of aging

Inactive Publication Date: 2007-12-26
DIYUAN FOODSTUFF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The shortcoming of these methods is that phosphoric acid and sodium hydroxide solution are added respectively in the degumming and alkali refining process, and white clay is used in the decolorization process, and these chemical solvents will absorb nutrients and trace elements in green tea oils such as tea polyphenols and vitamin E. Avoid leaving chemical residues such as solvents

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Example 1: 50 kilograms of mature green tea seeds are removed from the shell, and the water content is measured as 20% after preliminary screening to remove impurities, and then the inner shell is removed by a sheller to obtain green tea seed kernels, and the water content measured after selection is 20%. , sent to the oil press workshop, the ambient temperature in the oil press workshop is 25°C, the oil press machine is preheated, and when the temperature of the machine chamber reaches 50°C, green tea kernels are put in to press the oil. It is carried out under pressure and filtered. The filter cloth for filtration is initially filtered with a 200-mesh filter, and then fine-filtered with a 400-mesh filter. The pressure of the oil pump output pipeline is 0.2MPa. .

Embodiment 2

[0046] Embodiment 2: In this embodiment, except that the water content measured after the green tea kernels is selected is 10%, the rest of the process conditions are the same as in Embodiment 1.

Embodiment 3

[0047] Embodiment 3: This embodiment adopts the green tea oilseed of XX place of production, and the environment temperature of oil-pressing workshop is 40 ℃, and all the other technological conditions are identical with embodiment 1.

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PUM

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Abstract

The present invention relates to an edible oil and its processing method, in particular, it relates to a green tea oil made up by using green tea seeds as raw material and its preparation method. The composition of said green tea oil includes (by wt%) 52-68% of oleic acid, 16-28% of linoleic acid, 0.8-3% of octadecatrienoic acid, 10-18% of palmic acid, 2.3-2.9% of tea-polyphenol, 1-4% of stearic acid, tea saponin 4.8-5.5ppm, flavone 5.6-6.0mg / kg, caffeine 0.2066-0.2166(%, m / v) and vitamin E 250-350mg / kg. The preparation method of said green tea oil includes the following steps: raw material treatment, oil pressing, filtering, filling and storage.

Description

technical field [0001] The invention relates to an edible oil and a preparation method thereof, in particular to green tea oil made from green tea seeds as a raw material and a preparation method thereof. Background technique [0002] In the known technology, people's demand for food is increasing, and their quality requirements are becoming more and more stringent. In addition to the traditional soybean oil and sunflower oil, the eyes are searching among green plants, among which the well-known olive Because the oil is rich in oleic acid, linoleic acid and other unsaturated fatty acids, its quality ranks first among edible vegetable oils, but because the cultivation of olive trees has high requirements on climatic conditions, the output is far from meeting the market demand, and the market requires more similar quality In this environment, researchers have paid close attention to research, and some tea seed oils have also come out one after another. For example, the Chinese...

Claims

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Application Information

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IPC IPC(8): A23D9/02
Inventor 白正勇
Owner DIYUAN FOODSTUFF
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