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Method for extracting oat oil through microwave pretreatment

A microwave pretreatment and microwave treatment technology, which is applied in the production of fat/fat and fat production, can solve the problems of high cost, long extraction time, and large solvent consumption of supercritical carbon dioxide extraction, and achieves accelerated leaching rate, bright color and luster. The effect of low processing cost

Inactive Publication Date: 2013-05-29
HENAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The organic solvent leaching method takes a long time to extract and consumes a lot of solvents. At the same time, the long-term organic solvent leaching process will have adverse effects on the human body and the operating environment.
The cost of supercritical carbon dioxide extraction is high, the equipment is complex and difficult to operate

Method used

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  • Method for extracting oat oil through microwave pretreatment
  • Method for extracting oat oil through microwave pretreatment
  • Method for extracting oat oil through microwave pretreatment

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment

[0019] Automatic Soxhlet Fat Extractor

[0020] Oat Oil Yield = ×100%

[0021] Oat Oil Extraction Rate = ×100%

[0022] - the quality of oat oil extracted from 5 g of oat bran;

[0023] - the mass (5 g) of oat bran used in one extraction drum at a time;

[0024] — The quality of oat oil contained in 5 g of oat bran (0.426±0.05 g), measured by the standard Soxhlet method with a fully automatic Soxhlet fat extractor.

[0025] A method for extracting oat oil by microwave pretreatment, comprising the steps of washing oat raw materials, draining water, and drying in a drying box; putting oats in a sheller for shelling, and separating oat bran steps; the step of putting the oat bran into a pulverizer to pulverize; the step of extracting oat oil from the pulverized oat bran, after the oats are dried, and before being put into a sheller for shelling, the step of microwave treatment is also included , the microwave treatment method is: put the dried oat grains into a micr...

Embodiment 1

[0031] Step 1. Raw material cleaning and pretreatment: wash the oat raw material, drain the water, put it in a drying oven at 60°C and dry it until the water content is 15wt%, and set it aside;

[0032] Step 2. Microwave treatment of oat grains: take 40 g of oat grains dried in step 1 each time and put them into a microwave dryer, adjust the power to 720W, and the processing time is 90s, repeat four times, and process 160g in total;

[0033] Step 3. Obtain oat bran: pour the oat grains processed by microwave in step 2 into a shelling machine for shelling, and then transfer to a screening device to sieve the obtained oat bran;

[0034] Step 4, crushing oat bran: pour the oat bran obtained in step 3 into a pulverizer for crushing to obtain oat bran with a particle size of 0.2-0.4 mm;

[0035] Step 5, extracting oat oil: extracting oat oil from oat bran with an organic solvent leaching method. The pulverized oat bran was mixed and sampled according to the quartering method, divi...

Embodiment 2

[0041] Step 1. Raw material cleaning and pretreatment: wash the oat raw material, drain the water, put it in a drying oven at 60°C and dry it until the water content is 15wt%, and set it aside;

[0042] Step 2, microwave treatment of oat grains: take 40 g of oat grains dried in step 1 and put them into a microwave dryer, adjust the power to 540W, and the processing time is 120s, repeat four times, and process 160g in total;

[0043] Step 3. Obtain oat bran: pour the oat grains processed by microwave in step 2 into a shelling machine for shelling, and then transfer to a screening device to sieve the obtained oat bran;

[0044] Step 4, crushing oat bran: pour the oat bran obtained in step 3 into a pulverizer for crushing to obtain oat bran with a particle size of 0.4-0.6 mm;

[0045] Step 5, extracting oat oil: extracting oat oil from oat bran with an organic solvent leaching method. The pulverized oat bran was mixed and sampled according to the quartering method, divided into ...

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Abstract

The invention discloses a method for extracting oat oil through microwave pretreatment. The method comprises the following steps: cleaning oat raw materials, draining the cleaned oat, and drying the oat in a drying oven; hulling the oat in a huller, and separating oat bran; crushing the oat bran in a crusher; and extracting the oat oil from the crushed oat bran, and performing microwave treatment after the oat is dried and before the dried oat is hulled in the huller, wherein the microwave treatment method comprises the following step of: putting the dried oat particles into a microwave dryer, wherein the power is regulated to be 180-900W, the treatment time is 60-150 seconds, the drying temperature in the drying step is 60 DEG C, and the moisture content of the dried oat is 15wt%. The method provided by the invention is simple and reliable, convenient to operate, low in cost, high in speed and high in leaching efficiency and has a high economic value.

Description

technical field [0001] The invention relates to a method for rapidly and efficiently extracting oat oil, in particular to a method for extracting oat oil by microwave pretreatment. Background technique [0002] Oats are annual herbaceous crops belonging to the Poaceae Avena genus. It is generally divided into two categories: lemma type (hull oat) and naked grain type (naked oat). my country's oat production areas are mainly concentrated in Inner Mongolia, Bashang in Hebei, Shanxi and other places, and mainly produce naked oats, which account for more than 90% of the total oat production, and all the grains are for food. The protein content in oats is about 15.6%, and the fat content is about 8.8%, both of which rank first in cereal crops. The carbohydrate content is about 64.8%. Se etc. are rich in content, which can enhance human immunity, delay aging, prevent cancer and fight cancer. Oatmeal is also rich in nutrients such as VB1, VB2, VE, niacin, and dietary fiber. In a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/10
Inventor 任广跃段续罗登林樊金玲时秋月任丽影丁玲
Owner HENAN UNIV OF SCI & TECH
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