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Cut tobacco containing tobacco leaf polysaccharide and derived polysaccharide thereof

A tobacco leaf and polysaccharide technology, applied in the field of tobacco, can solve the problems of poor coordination of cigarette aroma, affecting the natural flavor of cigarettes, and low antioxidant activity, and achieve the effects of slow water loss rate, good in vitro antioxidant activity, and simple preparation method

Active Publication Date: 2020-01-14
HUBEI CHINA TOBACCO IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these tobacco leaf polysaccharides extracted from natural plants have good moisturizing properties for shredded tobacco, they will bring compounds other than tobacco when used as a humectant for shredded tobacco, which is poorly coordinated with the aroma of cigarettes and affects the natural flavor of cigarettes
[0005] In addition, polysaccharides extracted from natural plants generally have antioxidant activity, but the antioxidant activity of natural polysaccharides that have not been derivatized is usually low. Therefore, how to improve the antioxidant activity of natural polysaccharides is also a hot research issue.

Method used

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  • Cut tobacco containing tobacco leaf polysaccharide and derived polysaccharide thereof
  • Cut tobacco containing tobacco leaf polysaccharide and derived polysaccharide thereof
  • Cut tobacco containing tobacco leaf polysaccharide and derived polysaccharide thereof

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preparation example Construction

[0027] The embodiment of the present invention provides a preparation method of succinylated tobacco leaf polysaccharide, including the following steps:

[0028] (1) Extraction of tobacco leaf polysaccharides;

[0029] (2) Refining of tobacco leaf polysaccharides;

[0030] (3) Succinylation of tobacco leaf polysaccharides.

[0031] In step (1), the extraction of tobacco leaf polysaccharides is carried out according to the following process: the tobacco leaves are pulverized and passed through a 40-mesh sieve, added to petroleum ether and soaked for 3 to 5 hours, and then filtered to collect the filter residue; 300mL 80% ethanol is added to the filter residue for reflux extraction 2 Time, 2h / time, suction filtration, the filter residue is dried and crushed at 60°C for use; add distilled water at about 60°C to the dried filter residue, and the mass ratio of the filter residue to the distilled water is 1:35, and then put it into an ultrasonic cleaner. Ultrasonic treatment at 380-400 W f...

Embodiment 1

[0049] Embodiment 1 of the present invention provides a preparation method of succinylated tobacco leaf polysaccharide, which includes the following steps:

[0050] (1) Extraction of tobacco leaf polysaccharides: grind the tobacco leaves through a 40-mesh sieve, add petroleum ether to soak for 3 hours, and then suction and filter the filter residue; add 300mL 80% ethanol to the filter residue for reflux extraction 2 times, 2h / time, suction filtration , The filter residue is dried and crushed at 60°C for use; add 60°C distilled water to the dried filter residue, the mass ratio of the filter residue to distilled water is 1:35, and then put it in an ultrasonic cleaner, ultrasonic treatment at 380 W for 8 min, After filtering, the filtrate is taken for concentration, and the precipitate of the crude tobacco polysaccharide is obtained by alcohol precipitation with absolute ethanol. The yield of crude tobacco polysaccharide is calculated to be 3.18%.

[0051] (2) Refining of tobacco leaf...

Embodiment 2

[0054] Embodiment 2 of the present invention provides a preparation method of succinylated tobacco leaf polysaccharide, which includes the following steps:

[0055] (1) Extraction of tobacco leaf polysaccharides: grind the tobacco leaves through a 40-mesh sieve, add petroleum ether to soak for 4 hours, and then suction and filter the filter residue; add 300mL 80% ethanol to the filter residue for reflux extraction 2 times, 2h / time, suction filtration , The filter residue is dried and crushed at 60°C for use; add 60°C distilled water to the dried filter residue, the mass ratio of the filter residue to distilled water is 1:35, and then put it in an ultrasonic cleaner, ultrasonic treatment at 400W for 8 minutes, then Filter, take the filtrate, concentrate, and precipitate with absolute ethanol to obtain the crude polysaccharide precipitate of tobacco leaf. The yield of crude tobacco polysaccharide is calculated to be 3.57%.

[0056] (2) Refining of tobacco leaf polysaccharides: the cr...

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Abstract

The invention provides a preparation method of a succinylated tobacco leaf polysaccharide. The preparation method comprises the following steps of extraction of a tobacco leaf polysaccharide, refiningof the tobacco leaf polysaccharide and succinylation treatment of the tobacco leaf polysaccharide, wherein the succinylation treatment of the tobacco leaf polysaccharide comprises the following stepsof adding anhydrous sodium carbonate and succinic anhydride into an aqueous solution of the refined tobacco leaf polysaccharide, adjusting the pH to 9.8 to 10.2 after the completion of an acylation reaction, and then carrying out solid-liquid phase separation; and regulating the pH of the separated supernatant to neutral, and carrying out dialysis and freeze drying. The preparation method of thesuccinylated tobacco leaf polysaccharide provided by the invention is simple, and is high in the succinylation substitution degree. When being applied to the moisture preservation of cut tobacco, thesuccinylated tobacco leaf polysaccharide provided by the invention has relatively slow water loss rate under a low humidity condition, has relatively slow water absorption rate under a high humidity environment, and has relatively high moisture preservation and moisture-proof function. Moreover, the succinylated tobacco leaf polysaccharide provided by the invention has higher in-vitro antioxidantactivity compared with an unmodified tobacco leaf polysaccharide.

Description

Technical field [0001] The present invention relates to the technical field of tobacco, [0002] In particular, the present invention relates to a shredded tobacco containing tobacco leaf polysaccharides and their derived polysaccharides with high moisturizing properties. Background technique [0003] Moisturizer is a protective substance that can absorb and release moisture from the surrounding environment, and is generally widely used in food, daily necessities and tobacco. Moisturizers play a vital role in the storage, transportation, and processing of tobacco. Nowadays, propylene glycol and glycerin are commonly used in the industry. Because propylene glycol and glycerin produce harmful substances such as tar during the burning of cigarettes, now Some natural product extracts are partly applied to tobacco and have good moisture retention properties. [0004] Chinese patent CN201310449240.5 discloses the application range of pomelo peel polysaccharide in tobacco leaf moisturizin...

Claims

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Application Information

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IPC IPC(8): A24B15/26A24B3/12A24B3/18
CPCA24B15/26A24B3/12A24B3/18
Inventor 潘婷婷杨俊鹏陈一周红审闫铁军
Owner HUBEI CHINA TOBACCO IND
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