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Low-temperature cold pressing process of flaxseed oil

A flaxseed oil and flaxseed technology, which is applied in the directions of fat oil/fat production, fat oil/fat refining, and fat production, can solve problems such as the influence of bottom-purity linseed oil soot, influence on the promotion of linseed nutritional oil, etc., to ensure edible Safety, Transparency Improvement, Purity Improvement Effects

Inactive Publication Date: 2018-01-09
宁夏君星坊食品科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional extraction method of linseed oil is: linseed-selection-steaming-pressing-semi-refined-linseed oil, the oil contains a lot of organic impurities, pigments, waxes and special smell of linseed oil, the special smell of linseed oil is not Most people accept that it will affect the promotion of linseed nutrient oil and the low-purity linseed oil will produce a lot of oily smoke at high temperature, which will affect human health

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The low-temperature cold pressing process of linseed oil of the present invention comprises the following steps: (1), selecting and drying the linseed; selecting plump linseed without mildew, no insect infestation, and normal color and smell; (2), screening Air separation or magnetic separation is adopted; the selected linseed is subjected to air separation or magnetic separation through a fan or a magnetic separator to remove soil and other impurities, and reduce the impurity content to less than 1%; (3), the flaxseed The seeds are cleaned, rinsed, and dried under vacuum and reduced pressure below 65°C to make the water content 3%; and irradiated under ultraviolet light for 15-minutes; (4), crush the sterilized flaxseeds, and sieve Obtain linseed powder with a particle size of 0.6mm; (5), press; put the screened linseed powder into an oil filter bag, and the oil filter bag is loaded into an extruder to keep the feeding continuous and uniform, and the pressure of cold pr...

Embodiment 2

[0014] The low-temperature cold pressing process of linseed oil of the present invention comprises the following steps: (1), selecting and drying the linseed; selecting plump linseed without mildew, no insect infestation, and normal color and smell; (2), screening Air separation or magnetic separation is adopted; the selected linseed is subjected to air separation or magnetic separation through a fan or a magnetic separator to remove soil and other impurities, and reduce the impurity content to less than 1%; (3), the flaxseed The seeds are cleaned, rinsed, and dried under vacuum and reduced pressure below 65°C so that the water content is 4%; and irradiated with ultraviolet light for 20 minutes; (4), crushing the sterilized flaxseeds, and sieving to obtain Flaxseed powder, particle size is 4mm; (5), press; Pack the linseed powder kernel after screening into the oil plant filter bag, and the oil plant filter bag is packed into the press machine, keep feeding continuously and eve...

Embodiment 3

[0017] The low-temperature cold pressing process of linseed oil of the present invention comprises the following steps: (1), selecting and drying the linseed; selecting plump linseed without mildew, no insect infestation, and normal color and smell; (2), screening Air separation or magnetic separation is adopted; the selected linseed is subjected to air separation or magnetic separation through a fan or a magnetic separator to remove soil and other impurities, and reduce the impurity content to less than 1%; (3), the flaxseed The seeds are cleaned, rinsed and dried under vacuum and reduced pressure below 65°C to keep the water content at 5%; and irradiated with ultraviolet rays for 30 minutes; (4) crush the sterilized flaxseeds and sieve to obtain Flaxseed powder, particle size is 6mm; (5), press; Pack the linseed powder kernel after screening into the oil plant filter bag, and the oil plant filter bag is packed into the extruder, keep feeding continuously and evenly, and the c...

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Abstract

The invention discloses a low-temperature cold pressing process of flaxseed oil. The process comprises the following steps: (1) selecting and airing flax seeds, wherein plump flax seeds with no mildewand no insect erosion and with normal color and smell are selected; (2) carrying out screening by air separation or magnetic separation: carrying out air separation or magnetic separation on the selected flax seeds through a fan or a magnetic separator, removing soil and other impurities, and reducing the impurity content to 1% or below; and (3) cleaning and rinsing the flax seeds, performing reduced pressure drying at a temperature less than 65 DEG C to enable the water content in a range of 3%-5%, and performing irradiation under ultraviolet light for 15-30 minutes. The process provided bythe invention improves the purity and transparency of the flaxseed oil, ensures the edible safety, and removes excess pigment, oxides, trace metals, polycyclic aromatic hydrocarbons and pesticide residues in the oil under a vacuum condition, the product quality reaches a high level, and moreover the flaxseed oil can be directly eaten as food or be added into other products as nutrient enrichment for a certain health-care effect.

Description

technical field [0001] The invention specifically relates to a low-temperature cold pressing process of linseed oil, which belongs to the technical field of food. Background technique [0002] Flaxseed is pressed to produce linseed oil, which has attracted much attention recently because it is rich in a-linolenic acid, a nutrient required by the human body. a-linolenic acid, also known as "brain gold" and "vegetable fish oil", is an essential fatty acid for the human body. It cannot be naturally produced in the human body, but can only be taken from the outside. It has the functions of dissolving cholesterol, lowering blood fat, lowering blood acid, and lowering blood sugar. , lower blood pressure and other effects; can prevent cardiovascular disease, two-way regulation of blood pressure, blood lipids, brain, anti-aging and promote the normal development of the human body. The traditional extraction method of linseed oil is: linseed-selection-steaming-pressing-semi-refined-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/06C11B1/04C11B3/16
Inventor 马少斌马少军王桂英马磊马鑫
Owner 宁夏君星坊食品科技有限公司
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