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Method for refining cold pressed oil of radish seeds

A refining method and cold-pressed oil technology, which is applied in the direction of fat oil/fat refining and fat production, can solve the problems of long residence time, turbidity of finished oil, and affecting the use effect, so as to achieve good effect, reduce oxidation degree, and improve quality Effect

Inactive Publication Date: 2017-08-18
中粮工科(西安)国际工程有限公司
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  • Claims
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Problems solved by technology

[0003] At present, the refining method of bulk vegetable oil is generally used in the refining of radish seed cold-pressed oil, intermittent production, high-temperature hydration, intermittent heating and dehydration, although some also use vacuum dehydration, but the high heating temperature and long residence time of oil in the dehydration equipment will affect it. Flavor and nutritional components of radish seed oil
In the process of dewaxing, due to poor cooling speed and time control, crystallization and filtration effects are not good, resulting in repeated turbidity of the refined oil, which affects the use effect

Method used

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  • Method for refining cold pressed oil of radish seeds

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Embodiment Construction

[0021] The content of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0022] Such as figure 1 Shown, a kind of refining method of radish seed cold pressing oil, this method comprises the following steps:

[0023] Step 1. Pump the filtered radish seed cold-pressed oil into the hydration tank, and put steam into the heating coil of the hydration tank. The steam pressure does not exceed 0.4Mpa. While heating, turn on the stirring motor and adjust the stirring The rotation speed is 60r / min until the oil temperature reaches 60°C.

[0024] Step 2. Heat the softened water in the hot water tank to 70°C, open the water inlet valve, add hot water to the oil in step 1 according to 4.5% of the oil weight, stir while adding water, and the stirring speed is 60r / min , The time for adding water is 15 minutes. After adding water, continue to stir for 15 minutes, and the stirring speed is 30r / min.

[0025] Step 3, heat the oil in step ...

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Abstract

The invention discloses a method for refining cold pressed oil of radish seeds. The method comprises the following steps: adopting a semi-continuous refining process, performing medium temperature hydrated degumming, performing continuous vacuum flash dehydration and performing repeated crystallization and filtration, so that harmful substances in crude oil are removed, the quality of the radish seed oil is improved, and the flavor and nutritional ingredients of the radish seed oil are maintained. The cold pressed radish seed oil prepared by the method disclosed by the invention is high in quality, high in content of grease active materials and low in cloud point temperature and has wide popularization values.

Description

technical field [0001] The invention belongs to the field of grain processing, and in particular relates to a method for refining vegetable oil. Background technique [0002] Cold-pressed radish seed oil is rich in non-fatty acid, which is one of the effective ingredients in radish seed oil for health care and is also an essential fatty acid for the human body. Because it is easy to oxidize, it is necessary to avoid oxidation reaction in contact with high-temperature air to reduce the content of unsaturated fatty acids. [0003] At present, the refining method of bulk vegetable oil is generally used in the refining of radish seed cold-pressed oil, intermittent production, high-temperature hydration, intermittent heating and dehydration, although some also use vacuum dehydration, but the high heating temperature and long residence time of oil in the dehydration equipment will affect it. Flavor and nutritional components of radish seed oil. In the process of dewaxing, due to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B3/00C11B3/12C11B3/16
CPCC11B3/001C11B3/008C11B3/12C11B3/16
Inventor 杜宣利杨帆李永生娄艳坤唐佳芮张羽宵
Owner 中粮工科(西安)国际工程有限公司
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