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Rice bran oil refining method

A technology of rice bran oil and rice bran wax, which is applied in the direction of oil/fat refining, fat production, etc., can solve the problems of resource waste, environmental pollution, reduction of nutritional value and resource value, etc. The effect of maximizing economic benefits

Inactive Publication Date: 2012-05-16
徐传仁
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AI Technical Summary

Problems solved by technology

The traditional method is to use rice bran as feed to feed livestock and poultry, which greatly reduces its nutritional value and resource value, resulting in serious waste of resources, or as fuel or discarded, causing pollution to the environment

Method used

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Embodiment

[0010] A rice bran oil refining method is characterized in that: the method includes rice bran oil degumming, dewaxing, deacidification, etc., specifically carried out according to the following steps:

[0011] (1) Acid hydration degumming: The acid hydration degumming method mainly uses a dilute solution of medium-strong acids such as phosphoric acid, citric acid, oxalic acid, tartaric acid, etc., mixes it with rice bran crude oil at 80°C and stirs it, and then leaves it still. Most of the phospholipids and some waxes The sediment is removed, and the phospholipids and most of the rice bran wax can be completely removed after repeated degumming several times;

[0012] (2) Dewaxing: Heat the oil to 90°C to destroy the crystal nucleus of rice bran wax, slowly cool it to 20°C under stirring, and then mature it for more than 4 hours. The refined oil containing wax is stored at low temperature and centrifuged to obtain dewaxed rice bran Oil;

[0013] (3) Deacidification: The conte...

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PUM

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Abstract

The invention relates to rice bran processing, in particular to a rice bran oil refining method, which belongs to the technical field of agricultural and sideline product further processing. According to the method, rice bran is subjected to the steps of degumming, dewaxing and deacidifying, substances such as phospholipids, waxiness, free fatty acid and some pigment substances are removed, glycerate and other useful ingredients in the rice bran oil are maintained, the rice bran is used as raw materials for producing the rice bran oil, waste materials are changed into valuable materials, the method can also be used as an agricultural economy growth point, and a wide development space is brought for the realization of reasonable agricultural resource utilization maximization, rural economy benefit maximization and farmer income maximization.

Description

technical field [0001] The invention relates to processing of rice bran, in particular to a method for refining rice bran oil, and belongs to the technical field of deep processing of agricultural by-products. Background technique [0002] Rice bran is an important by-product of rice processing, and rice bran is rich in fat, accounting for 18% to 25%. The main component of rice bran oil is fatty acid glyceride, palmitic acid accounts for 12%-20%, oleic acid 40%-50%, linoleic acid 29%-42%, and also contains vitamins and other ingredients. Due to the composition of fatty acids in rice bran oil and some special ingredients, rice bran oil has extremely high nutritional value and medicinal value. People pay more and more attention to it. The traditional method is to use rice bran as feed to feed livestock and poultry, which greatly reduces its nutritional value and resource value, resulting in a serious waste of resources, or as fuel or discarded, causing pollution to the enviro...

Claims

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Application Information

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IPC IPC(8): C11B3/00C11B3/04C11B3/02
Inventor 徐传仁
Owner 徐传仁
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