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Method for preparing lily starch

A technology of lily starch and lily, which is applied in the field of preparation of lily starch, can solve the problems such as no research reports on the preparation method and process, and achieve the effect of reducing the extraction cost.

Inactive Publication Date: 2009-06-10
上海汉素信生化科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no research report on the preparation method and process of lily starch from the residue after extracting lily polysaccharides and lily alkaloids with functional and economic value

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Wash the fresh lily bulbs, pack them in gauze bags for 20 kg, put them into a 200-liter extraction tank, first use 80% ethanol to reflux at 75°C for 10 hours, transfer the ethanol reflux liquid to the concentration tank, and use it for further separation and purification of lily plant total alkaloids ; Then, in the extraction tank after alcohol extraction, add deionized water to the lily solid, extract at 95°C for 2 hours, transfer the water extract to the concentration tank, and use it to extract lily polysaccharides. Finally, the slag paste slurry in the extraction tank after the water extraction is precipitated to separate the lily instant starch, and the residue is used as a raw material for the preparation of lily dietary fiber. Lily starch products do not contain water-soluble lily polysaccharides.

Embodiment 2

[0014] Pack 15 kg of dried lily bulbs in a gauze bag, put them into a 200-liter extraction tank, first add deionized water to the extraction tank, extract at 95°C for 2 hours, transfer the water extract to the concentration tank, and re-extract 3 times, The combined extracts are used to extract lily polysaccharides. Then add 80% ethanol to the lily residue after water extraction, reflux at 65° C. for about 8 hours, transfer the ethanol reflux liquid to a concentration tank, and use it in the extraction process of total alkaloids of lily plants. Finally, the slag paste slurry in the extraction tank is used to precipitate and separate the lily instant starch, and the residue is used as a raw material for preparing lily dietary fiber. Lily starch products do not contain water-soluble lily polysaccharides.

Embodiment 3

[0016] Wash the fresh lily bulbs, pack them in gauze bags for 20 kg, put them into a 200-liter extraction tank, reflux them with 80% ethanol at 80°C for about 8 hours, transfer the ethanol reflux to the concentration tank, and use them in the extraction process of total alkaloids of lily plants. In the extraction tank after alcohol extraction, add deionized water to the lily solid, extract at 95°C for 2 hours, transfer the water extract to the concentration tank, re-extract twice, and combine the extracts to extract lily polysaccharides. Finally, in the slag paste slurry in the extraction tank after water extraction, the lily instant starch is separated by precipitation, and the residue is the crude product of lily dietary fiber. The lily starch product does not contain water-soluble lily polysaccharide.

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Abstract

The invention provides a technique for preparing lily starch, which is applied mechanically with a process for extracting and preparing lily polysaccharide, lily biological total alkaloid and lily dietary fiber, so as to reduce the preparation cost of the lily starch and provide an effective assorted process way for the comprehensive utilization of lily. The technique is characterized in that lily polysaccharide obtained from lily raw material through water extraction is taken as a main product; lily biological total alkaloid extract is obtained through alcohol extraction; and the lily dietary fiber is prepared after lily instant starch is prepared from remaining residue.

Description

technical field [0001] The invention relates to a method for extracting lily components, in particular to a method for preparing lily starch for comprehensive utilization of lily. Background technique [0002] Starch A high molecular weight carbohydrate composed of glucose. In addition to being eaten directly, starch can be made into candy, glucose, dextrin and alcohol. After processing, the physical properties have been changed, which is called modified starch. Modified starch is widely used in food, paper and pharmaceutical industries and is an extremely important industrial raw material. , [0003] There are generally two methods of extracting starch, dry method and wet method. The dry method is expensive, and the wet method is usually used. The principle of wet extraction of starch is that starch is insoluble in cold water, and its density is relatively high, while the density of protein and fine fibers is small, so it can be extracted according to its different sedi...

Claims

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Application Information

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IPC IPC(8): C08B30/00C08B37/00
Inventor 万锕俊李慧丽
Owner 上海汉素信生化科技发展有限公司
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