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Squeezing production method of flax seed oil

A production method and technology for linseed oil, which are applied in the production of fat/fat and fat production, can solve the problems of heavy taste, turbidity of the linseed oil body, smoke, etc., and achieve a clear and fragrant taste, pure and transparent color, and retention of nutrients. Effect

Inactive Publication Date: 2012-12-12
SHENCHI COUNTY FUYUAN NATIVE PRODS DEVCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the traditional pressing process has a high oil yield, the disadvantages are that the linseed oil produced is turbid and black in color (the color of Luoweibang colorimetric tank is yellow 45-46, red 7.0), heavy taste, and serious smoke after heating. poor
More importantly, the main nutrient component α-linolenic acid in the linseed oil produced after high-temperature frying is only about 40%, and the loss is relatively large.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Remove impurities from raw flaxseed to make the impurity content <1%. Heat the raw linseed to 90°C, after the water content is 6.5%, put it into a cold press to extract oil, and control the oil yield to 82%.

[0012] After inspection, the product contains 55.5% of α-linolenic acid, 14.7% of linoleic acid, 20.1% of oleic acid, 3.6% of stearic acid, 5.3% of palmitic acid, 0.00485% of insoluble impurities, 0.08% of water and volatile matter, iodine value (based on I 2 Calculation, g / 100g) 183, saponification value (calculated as KOH, mg / g) 189, peroxide value 1.8mmol / Kg, color (Lovibond color tank 25.4mm) yellow 45, red 3.1, nothing after heating to 280°C Precipitate, color yellow 45, red 2.6.

Embodiment 2

[0014] Remove impurities from raw flaxseed to make the impurity content <1%. Heat the raw linseed to 85°C, after the water content is 6.8%, put it into a cold press to extract oil, and control the oil yield to 85%.

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PUM

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Abstract

The invention discloses a squeezing production method of flax seed oil. The squeezing production method of the flax seed oil comprises the following steps: heating raw flax seeds to 70-110 DEG C, adding into a cold squeezing machine for oil squeezing and controlling the oil yield to be 80-90%. The flax seed oil prepared by the squeezing production method disclosed by the invention has the advantages of pure and transparent color and luster, mellow and fragrant taste, and less smoke after heating, and can retain nutritional ingredients to the greatest extent and significantly upgrade product quality, wherein the content of the main nutritional ingredient, namely alpha-linolenic acid is 53-60%, color (Lovibond cell 25.4mm) yellow is 45, and red is 3.1.

Description

technical field [0001] The invention relates to a method for preparing linseed oil, in particular to a method for preparing linseed oil by pressing. Background technique [0002] Flax is an annual herb of the family Linaceae. It originated from the Mediterranean coast of the Near East and is distributed all over the world. It is most planted in the arid and semi-arid alpine regions of Northwest my country and North China. The oil content of linseed is 35-42%, rich in unsaturated fatty acids, of which α-linolenic acid accounts for 40-60%. α-linolenic acid is an essential polyunsaturated fatty acid recognized worldwide. It cannot be synthesized in the human body and can only be ingested from food. α-linolenic acid can regulate the human immune system, has the function of lowering blood fat and blood viscosity, and has certain effects on human early nutrition, infant brain development, cardiovascular and cerebrovascular diseases, malignant tumor inhibition, and prevention of h...

Claims

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Application Information

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IPC IPC(8): C11B1/06C11B1/04
Inventor 李盛
Owner SHENCHI COUNTY FUYUAN NATIVE PRODS DEVCO
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