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Preparation method of strongly-fragrant rapeseed oil

A technology of rapeseed oil and rapeseed, which is applied in the field of preparation of fragrant rapeseed oil, can solve the problems of insufficient fragrance of rapeseed oil, etc., and achieve the effects of reducing the residual oil rate of cakes, strong fragrance, and preventing harmful substances

Active Publication Date: 2017-12-19
成都市新兴粮油有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing rapeseed oil production process is generally a pre-pressing-extraction process, and the obtained rapeseed oil has insufficient fragrance. With the improvement of people's living standards, the demand for strong fragrance rapeseed oil is increasing. There are products that can no longer meet people's needs

Method used

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  • Preparation method of strongly-fragrant rapeseed oil

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preparation example Construction

[0021] Such as figure 1 Shown, the invention provides a kind of strong fragrant rapeseed oil preparation method, comprises the steps:

[0022] Step 1. The rapeseed with a moisture content of 14-18% is sequentially subjected to impurity removal, water washing, and tempering treatment to obtain rapeseed raw materials with a moisture content of 6-8%, and the rapeseed raw materials are divided into pressed rapeseed Raw material and back-pressed rapeseed raw material, the mass ratio of said pressed rapeseed raw material to said back-pressed rapeseed raw material is 3:1.

[0023] Step 2: Squeeze the pressed rapeseed raw material, first heat the pressed rapeseed raw material to 105-110°C, press for 10-20 minutes, continue heating to 110-115°C, and keep pressing for 20-20°C After 40 minutes, press rapeseed crude oil and press cake are obtained, and the oil content of the press cake is 8-10%.

[0024] Step 3, crushing the pressed cake and mixing it with the returned rapeseed raw mate...

Embodiment 1

[0028] The rapeseed with a moisture content of 16% is sequentially removed from impurities, washed with water, and tempered to obtain a rapeseed raw material with a moisture content of 7%, and the rapeseed raw material is divided into a pressed rapeseed raw material and a back-pressed rapeseed raw material Carry out pressing treatment to described pressed rapeseed raw material, first described pressed rapeseed raw material is heated to 108 ℃, presses 15 minutes, continues heating to 112 ℃, and keeps pressing 30 minutes, obtains pressed rapeseed crude oil and Pressed cake, the oil content of the pressed cake is 9%; the pressed cake is crushed and mixed with the repressed rapeseed raw material to obtain a mixed rapeseed raw material, and the mixed rapeseed raw material is steamed and fried , the steaming and frying process is as follows: crush the pressed cake and mix it with the repressed rapeseed raw material to obtain the mixed rapeseed raw material. In the first stage, the mi...

Embodiment 2

[0030]The rapeseed with a moisture content of 14% is sequentially removed from impurities, washed with water, and tempered to obtain a rapeseed raw material with a moisture content of 6%, and the rapeseed raw material is divided into a pressed rapeseed raw material and a back-pressed rapeseed raw material Carry out pressing treatment to described pressed rapeseed raw material, first described pressed rapeseed raw material is heated to 105 ℃, presses 10 minutes, continues heating to 110 ℃, and keeps pressing 20 minutes, obtains pressed rapeseed crude oil and Pressed cake, the oil content of the pressed cake is 8%; the pressed cake is crushed and mixed with the repressed rapeseed raw material to obtain a mixed rapeseed raw material, and the mixed rapeseed raw material is steamed and fried , the steaming and frying process is as follows: crush the pressed cake and mix it with the repressed rapeseed raw material to obtain the mixed rapeseed raw material. In the first stage, the mix...

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Abstract

The invention discloses a preparation method of strongly-fragrant rapeseed oil. The preparation method comprises the following steps: preparing and obtaining rapeseed materials, dividing the rapeseed materials into pressing rapeseed materials and back-pressing rapeseed materials; carrying out pressing treatment on the pressing rapeseed materials to obtain pressing rapeseed crude oil and pressed cakes; crushing the pressed cakes, mixing with the back-pressing rapeseed materials to obtain mixed rapeseed materials, and carrying out steaming and frying treatment on the mixed rapeseed materials to obtain steamed and fried rapeseed materials; carrying out back-pressing treatment on the steamed and fried rapeseed materials to obtain back-pressing rapeseed crude oil; and mixing the pressing rapeseed crude oil with the back-pressing rapeseed crude oil to obtain rapeseed crude oil to be refined, and carrying out hydrating treatment on the rapeseed crude oil to be refined to obtain finished aromatic rapeseed oil. The preparation method disclosed by the invention has the advantages that the process is simple, safe and reliable, fragrant substances in the prepared rapeseed oil cannot be lost due to excessive refining, and the fragrance is stronger and more lasting.

Description

technical field [0001] The invention relates to the technical field of oil processing methods, in particular to a preparation method of fragrant rapeseed oil. Background technique [0002] Rapeseed oil, referred to as "vegetable oil" for short, is one of the main oil crops in my country. It is mainly obtained from the seeds of Brassica cruciferae (rape), and its main production areas are in the Yangtze River Basin, Southwest and Northwest China. Rapeseed oil is golden or brown in color and has a certain pungent smell, which is generally called "green smell". Rapeseed oil has a certain effect of softening blood vessels and delaying aging. It contains little or almost no cholesterol, so people who control cholesterol intake can eat it with confidence. The existing rapeseed oil production process is generally a pre-pressing-extraction process, and the obtained rapeseed oil has insufficient fragrance. With the improvement of people's living standards, the demand for strong frag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/08C11B3/00
CPCC11B1/04C11B1/08C11B3/001
Inventor 姜敏杰张四红何东平何功良胡传荣董国华雷芬芬吴建宝涂梦婕
Owner 成都市新兴粮油有限公司
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