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A kind of equipment and method for increasing rice oil unsaturated fatty acid production

A technology of unsaturated fatty acid and rice oil, which is applied in the direction of fat oil/fat production, fat oil/fat refining, fat oil/fat separation, etc. It can solve the problem of incomplete separation and achieve the effect of increasing oil extraction rate and promoting oil release

Active Publication Date: 2016-08-31
SHENYANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Patent Publication No. 103074158A discloses a method for separating unsaturated fatty acids, which only adopts the freezing and crystallization method to separate unsaturated fatty acids, but the separation is not complete

Method used

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  • A kind of equipment and method for increasing rice oil unsaturated fatty acid production
  • A kind of equipment and method for increasing rice oil unsaturated fatty acid production

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] refer to figure 1 , a kind of equipment that improves rice oil unsaturated fatty acid yield, is made up of temperature control device 1, solvent importer 2, extractor 3, ultrasonic emission source 4, water bath heater 5, extractor 6; Described organic solvent importer The outlet end of 2 is connected to the inlet end of the extractor 3 by a conduit, the extractor 3 is located inside the water bath heater, the ultrasonic emission source 4 is placed inside the extractor 3, and the outlet end of the extractor 3 is connected to the extractor 6 , the temperature control device 1 is connected with the water bath heater 5 .

[0031] There is a reflux condensation device outside the water bath heater 5 to ensure that the reaction is carried out in a low-temperature condition for cyclic extraction.

[0032] refer to figure 2 , a method for improving rice oil unsaturated fatty acid output, realized according to the following steps:

[0033] a. The fresh rice bran is extruded ...

Embodiment 2

[0044] A method for improving rice oil unsaturated fatty acid production, specifically implemented according to the following steps:

[0045] The difference with Example 1 is:

[0046] The die hole diameter of the extrusion extruder in the step a is 4mm, the extrusion screw speed is 130r / min, the sleeve temperature is 130°C, and the moisture content of the material is 15%;

[0047] The degumming in the step c is to place the beaker containing the dewaxed rice oil in a 50°C water bath and stir, add 0.5% phosphoric acid accounting for the mass of the dewaxed rice oil, react for 20min, and when the temperature rises to 65°C, stir quickly At the same time, slowly add deionized water with a mass of 1.5% of the mass of dewaxed rice oil into the dewaxed rice oil with a small dropper, keep stirring at 65°C for 30 minutes, and then slowly stir to flocculate the colloidal impurities. When the waxy rice oil is clearly separated, stop stirring, then centrifuge at 4500r / min for 20min to o...

Embodiment 3

[0052] A method for improving rice oil unsaturated fatty acid production, specifically implemented according to the following steps:

[0053] The difference with Example 1 is:

[0054] The die hole diameter of the extrusion extruder in the step a is 12mm, the rotation speed of the extrusion screw is 160r / min, the temperature of the sleeve is 150°C, and the moisture content of the material is 23%;

[0055] The degumming in the step c is to place the beaker containing the dewaxed rice oil in a 50°C water bath for stirring, add 0.4% phosphoric acid accounting for the mass of the dewaxed rice oil, react for 20min, and when the temperature rises to 63°C, stir rapidly At the same time, slowly add deionized water with a mass of 1.5% of the mass of dewaxed rice oil into the dewaxed rice oil with a small dropper, keep stirring at 63°C for 25 minutes, and then stir slowly to flocculate the colloidal impurities. When the waxy rice oil is clearly separated, stop stirring, then centrifuge...

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Abstract

A device and method for increasing the yield of unsaturated fatty acids in rice oil mainly aims at the existing problems of incomplete separation of unsaturated fatty acids and low yield, and provides a device and a method for increasing the yield of unsaturated fatty acids in rice oil. The equipment consists of a temperature control device, a solvent importer, an extractor, an ultrasonic emission source, a water bath heater, and an extractor; a method for increasing the yield of unsaturated fatty acids in rice oil, the specific steps are: (1) fresh rice bran Extrusion and puffing treatment; (2) Solvent extraction of puffed products to obtain crude oil; (3) Dewaxing and degumming of crude oil; (4) Extraction and crystallization of degummed oil to separate unsaturated fatty acids, using urea inclusion method The obtained unsaturated fatty acid is purified. The device of the present invention extracts rice oil quickly, safely, and saves energy, and increases the yield of oil. The unsaturated fatty acid is separated by an extraction crystallization method and purified by a urea clathrate method, thereby increasing the yield of the unsaturated fatty acid.

Description

technical field [0001] The invention relates to a device and a method for increasing the output of unsaturated fatty acid in rice oil, and belongs to the technical field of deep processing of agricultural and sideline products. Background technique [0002] The annual output of rice bran in my country is 100 million tons, but the current utilization rate is very low, except that about 10% to 15% of rice bran is used to make rice bran oil or extract calcium phytate and other products, most of it is used as feed for livestock and poultry . Its added value has not been developed, resulting in waste of rice resources. [0003] Rice oil is a kind of nutritious vegetable oil, in which saturated fatty acid accounts for 15%-20%, unsaturated fatty acid content is more than 80%, linoleic acid content is about 38%, oleic acid content is about 42%, in line with the recommended by the International Health Organization Optimum ratio of 1:1.1 of linoleic acid and oleic acid. It can reduc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J19/10B01D11/02C11B1/04C11B1/10C11B3/00C11B3/06C11B7/00
Inventor 肖志刚李德敏于金平李哲周麟依王鹏王庆峰段玉敏
Owner SHENYANG NORMAL UNIV