Deep processing method of flaxseed meal

A technology for deep processing of linseed meal, applied in chemical instruments and methods, protein composition of vegetable seeds, preparation of sugar derivatives, etc., can solve the problems of unfavorable product practical application, mutual influence, waste of resources, etc., and achieve great reference value , no toxic side effects, high product safety effect

Inactive Publication Date: 2018-11-30
广州利众生物科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Currently published related patents on various functional ingredients of flaxseed include: CN104046511A, CN102978009A, CN106977616A, CN100579983C, CN102816190A, etc. These patents are all about the preparation of a single or two functional ingredients of flaxseed In the preparation process, the resource waste of other effective components of linseed was caused; patent CN105602701A proposed a ternary two-liquid phase solvent system, one-step extraction and separation to obtain linseed oil and linseed gum rich in linseed lignans As well as the method of deep processing of flaxseed for the three products of flax protein, the different solvents in the solvent system of this method are likely to interact with each other during the extraction process, resulting in too many impurities extracted from the two-phase solvent, which is not conducive to the actual application of the product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method for deep processing of linseed meal, comprising the following steps:

[0025] 1) Separation of linseed meal shell and kernel: the linseed meal after oil extraction is crushed by a grinder, passed through a 30-mesh sieve, and the sieved upper layer linseed shell and lower layer linseed kernel are collected respectively;

[0026] 2) Extraction of linseed gum: use the linseed husk obtained in step 1) as raw material, the mass ratio of linseed husk to hot water is 1:10, the extraction temperature is 70°C, the extraction time is 60min, and the stirring speed is 600r / min, 3500r / min centrifuge for 15min, collect the upper layer of glue and the lower layer of degummed linseed shell respectively; ℃ refrigerated overnight, centrifuged at 3500r / min for 15min and discarded the supernatant, the precipitate was dissolved in water and then evaporated to remove ethanol. The ratio of the raw material linseed shell quality) is 28.31%;

[0027] 3) Extraction of flaxseed lignan...

Embodiment 2

[0031] A method for deep processing of linseed meal, comprising the following steps:

[0032] 1) Separation of linseed meal husk and kernel: the linseed meal after oil extraction is pulverized by a pulverizer, passed through a 60-mesh sieve, and the sieved upper layer linseed husk and lower layer linseed kernel are collected respectively;

[0033] 2) Extraction of linseed gum: use the linseed husk obtained in step 1) as raw material, the mass ratio of linseed husk to hot water is 1:20, the extraction temperature is 100°C, the extraction time is 120min, and the stirring speed is 900r / min, 3500r / min centrifuge for 20min, collect the upper glue and the lower layer of degummed linseed shells respectively; Refrigerate at ℃ overnight, centrifuge at 3500r / min for 15min, discard the supernatant, dissolve the precipitate in water, then spin evaporate to remove ethanol, and vacuum freeze-dry the concentrated solution to obtain linseed gum, the yield of linseed gum is 23.70%;

[0034] ...

Embodiment 3

[0038] A method for deep processing of linseed meal, comprising the following steps:

[0039] 1) Separation of linseed meal husk and kernel: the linseed meal after oil extraction is crushed by a pulverizer, passed through a 40-mesh sieve, and the sieved upper layer linseed husk and lower layer linseed kernel are collected respectively;

[0040] 2) Extraction of linseed gum: use the linseed husk obtained in step 1) as raw material, the mass ratio of linseed husk to hot water is 1:15, the extraction temperature is 80°C, the extraction time is 90min, and the stirring speed is 800r / min, 3500r / min centrifuge for 18min, collect the upper layer of glue and the lower layer of degummed linseed shell respectively; Refrigerate overnight at ℃, centrifuge at 3500r / min for 15min, discard the supernatant, dissolve the precipitate in water, then spin evaporate to remove ethanol, and vacuum freeze-dry the concentrated solution to obtain linseed gum, the yield of linseed gum is 25.0%;

[0041...

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Abstract

The invention belongs to the technical field of food processing and in particular relates to a deep processing method of flaxseed meal. The method comprises the following steps: 1) separating shells and kernels of flaxseeds; 2) extracting flaxseed gum; 3) extracting flaxseed lignin; 4) extracting flaxseed oil containing rich cyclic peptide; 5) extracting flaxseed protein. According to the deep processing method provided by the invention, a method for completely utilizing the flaxseed meal is systematically provided for the first time; each effective component of the flaxseeds is extracted by adopting a step-by-step extraction manner, and real sufficient utilization of an oil-squeezing byproduct, i.e., the flaxseed meal, is realized; raw materials of the flaxseed meal have a wide source andthe method is simple and reliable; a product has high safety and no toxic side effect and can be produced in a large batch; the deep processing method has important reference value on development ofa series of flaxseed series functional products.

Description

technical field [0001] The invention belongs to the technical field of food processing, and in particular relates to a deep processing method of linseed meal. Background technique [0002] Flaxseed is an important oilseed that has been used in various forms as a food ingredient or medicine for more than 5,000 years. Flaxseed oil mainly exists in flaxseeds, and the oil contains a large amount of omega-3 unsaturated fatty acids, especially α-linolenic acid (ALA), which has a significant effect on the prevention and treatment of cardiovascular diseases and lowering blood cholesterol. And they are also the precursors for the production of EPA and DHA in the body. Flaxseed is also an important plant source of phytoestrogen lignans, which are mainly found in the husk of flaxseeds, and are beneficial for preventing kidney disease, early hormonal cancer, and reducing menopausal symptoms in women. Flaxseed husk also contains a large amount of vegetable gum and soluble cellulose, wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23J1/14C07H15/18C07H1/08C08B37/00C11B1/10
CPCA23J1/14C07H1/08C07H15/18C08B37/0003C11B1/10
Inventor 葛佳佳汪勇张震邓凤桂
Owner 广州利众生物科技有限公司
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