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Lycium barbarum polysaccharide, extracting and purifying method and application thereof as tobacco humectant

A technology of Lycium barbarum polysaccharide and purification method is applied in the directions of tobacco, application and treatment of tobacco, and achieves the effects of significant industrial application value, reduction of impurities and easy operation.

Inactive Publication Date: 2014-08-13
CHINA TOBACCO HENAN IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are no relevant reports on the application of Lycium barbarum polysaccharide as a tobacco humectant in cigarettes at home and abroad

Method used

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  • Lycium barbarum polysaccharide, extracting and purifying method and application thereof as tobacco humectant
  • Lycium barbarum polysaccharide, extracting and purifying method and application thereof as tobacco humectant

Examples

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Embodiment 1

[0018] A method for extracting and purifying Lycium barbarum polysaccharides, comprising the following steps: 300g of crushed dry Lycium barbarum is extracted with 1800ml of ether Soxhlet for 2 hours to remove oil, and the residue is evaporated to dryness. The residue after evaporating to dryness was extracted three times with 750ml boiling water, combined the boiling water extracts obtained three times, concentrated, centrifuged, and the supernatant was taken, and the supernatant was added with absolute ethanol 3 times the volume of the clear liquid for alcohol precipitation, and stood overnight (12h), again. The precipitate was washed three times with ethanol and acetone in turn, then dissolved in distilled water, then papain with a weight of 1‰ of the precipitate was added and placed in a water bath at 50°C for 2 hours, and the protein was removed by the Sevage method. Add 8g of activated carbon and place it in a 70°C water bath to heat for 3 hours, remove the activated car...

Embodiment 2

[0021] A method for extracting and purifying Lycium barbarum polysaccharides, comprising the following steps: 300g of crushed dry Lycium barbarum is extracted with 2000ml of ether Soxhlet for 4 hours to remove oil, and the residue is evaporated to dryness. The residue after evaporating to dryness was extracted with 750ml of boiling water for 3 times, and the boiling water extracts obtained three times were combined, concentrated, centrifuged, and the supernatant was taken, and anhydrous ethanol with 3 times the volume of the clear liquid was added for alcohol precipitation, and stood for 12 hours , and centrifuge again to collect the precipitate. The precipitate was washed three times with ethanol and acetone in turn, then dissolved in distilled water, then papain with a weight of 2‰ of the precipitate was added, placed in a water bath at 50°C for 4 hours, and the protein was removed by the Sevage method. Add 8g of activated carbon and place it in a 70°C water bath to heat for...

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Abstract

The invention relates to a lycium barbarum polysaccharide, and an extracting and purifying method thereof. The method concretely comprises the following steps: carrying out soxhlet extraction on crushed dry medlar by using a diethyl ether; drying residues and then extracting by using boiled water; concentrating and centrifuging boiling water extract solution; taking supernate to carry out alcohol precipitation and standing; centrifuging and collecting sediments; dissolving by using distilled water after washing, then adding 0.1-0.2% of nematolyt to place in a water bath at 50+ / -5 DEG C for 2-4 hours; removing protein by adopting a Sevage method, carrying out vacuum concentration after decoloring activated carbon, carrying out water dialysis after cooling; carrying out alcohol precipitation and standing again after dialysis is ended, and drying the sediments at 60-70 DEG C to obtain crude polysaccharide. The test proves that the lycium barbarum polysaccharide has good physical and sensory embellishing effects on a cigarette, the thrill and offensive odor of the cigarette can be reduced, the roundness and the comfort of cigarette smoke are improved, and the lycium barbarum polysaccharide can be applied to the cigarette as a tobacco humectant with excellent performance.

Description

technical field [0001] The invention belongs to the technical field of humectants, and in particular relates to a wolfberry polysaccharide, an extraction and purification method and its application as a tobacco humectant. Background technique [0002] At present, glycerin, propylene glycol, sorbitol and other polyhydroxy substances are mainly used as humectants in the cigarette industry in my country. The main purpose of using such humectants is to maintain the moisture content of shredded tobacco during processing and improve the processing resistance of shredded tobacco. The above-mentioned humectant has unsatisfactory effects on maintaining the moisture content of finished cigarettes and improving smoking comfort. [0003] Polysaccharides are composed of a large number of monosaccharides, and a large number of hydroxyl groups form hydrogen bonds with water molecules, which can make them have strong water holding capacity. At present, there are no related reports on the ap...

Claims

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Application Information

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IPC IPC(8): C08B37/00A24B15/40
Inventor 芦昶彤陈芝飞孙志涛郝辉丁美宙杨金初马宇平
Owner CHINA TOBACCO HENAN IND
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