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A kind of method of garlic polysaccharide color-fixing comfrey natural dye

A technology of garlic polysaccharides and natural dyes, applied in natural dyes, dyeing methods, azo dyes, etc., can solve the problems of short dyeing time, too long dyeing time, and low color fastness of natural dyes, and achieve high color fastness, Good color fixing effect

Active Publication Date: 2016-12-28
RUGAO XIAYUAN SCI & TECH ESTABLISH A BUSINESS SERVICES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention: Aiming at the problems of low color fastness, low color yield and poor color fixing effect of natural dyes prepared by traditional methods, resulting in too long dyeing time and limited application, a garlic polysaccharide color-fixing purple The method of grass natural dye, the method of the present invention is by extracting garlic polysaccharide, utilizes its antioxidant property to achieve the purpose of color fixation, and the natural dye obtained by the method of the present invention has high color fastness, high color yield and good color fixation effect, short dyeing time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0015] First garlic is peeled, and it is smashed, and distilled water is added according to solid-liquid ratio 1:5 to obtain garlic mixture, then garlic mixture and 95% concentration ethanol are mixed in the ratio of mass ratio 1:3, at temperature Reflux at 80°C for 30 minutes. After the reflux is over, filter and cool the filter residue to room temperature for later use; put the garlic filter residue in a clean and dry beaker, add 0.2mol / L acetic acid solution, and adjust the pH to 5.3. After completion, filter to obtain garlic filter residue; add 0.8mol / L cellulose enzymatic hydrolysis solution according to the mass ratio of garlic filter residue and cellulase at 10:1, and after it is mixed evenly, carry out ultrasonic-assisted enzymolysis at 25°C React for 20 minutes, then add 0.2mol / L NaOH solution to adjust the pH to 7.0, then inactivate cellulase in a high-temperature oven at 95°C for 50 minutes, and then centrifugally filter at 3000r / min to obtain garlic polysaccharide e...

example 2

[0018]First garlic is peeled, and it is smashed, and distilled water is added according to solid-liquid ratio 1:5 to obtain garlic mixture, then garlic mixture and 95% concentration ethanol are mixed in the ratio of mass ratio 1:3, at temperature Reflux at 85°C for 45 minutes. After the reflux is over, filter and cool the filter residue to room temperature for later use; put the garlic filter residue in a clean and dry beaker, add 0.2mol / L acetic acid solution, adjust the pH to 5.4, and wait for adjustment. After completion, filter to obtain garlic filter residue; add 0.8mol / L cellulose enzymatic hydrolysis solution according to the mass ratio of garlic filter residue and cellulase of 10:1, and after it is mixed evenly, carry out ultrasonic-assisted enzymatic hydrolysis at 28°C React for 25 minutes, then add 0.2mol / L NaOH solution to adjust the pH to 7.0, then inactivate cellulase in a high-temperature oven at 100°C for 55 minutes, and then centrifugally filter at 3250r / min to ...

example 3

[0021] First garlic is peeled, and it is smashed, and distilled water is added according to solid-liquid ratio 1:5 to obtain garlic mixture, then garlic mixture and 95% concentration ethanol are mixed in the ratio of mass ratio 1:3, at temperature Reflux at 90°C for 60 minutes. After the reflux is over, filter and cool the filter residue to room temperature for later use; put the garlic filter residue in a clean and dry beaker, add 0.2mol / L acetic acid solution, adjust the pH to 5.5, and wait for adjustment. After completion, filter to obtain garlic filter residue; add 0.8mol / L cellulose enzymatic hydrolysis solution according to the mass ratio of garlic filter residue and cellulase of 10:1, and after it is mixed evenly, carry out ultrasonic-assisted enzymolysis at 30°C React for 30 minutes, then add 0.2mol / L NaOH solution to adjust the pH to 7.0, then inactivate cellulase in a high-temperature oven at 105°C for 60 minutes, and then centrifugally filter at 3500r / min to obtain g...

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Abstract

The invention discloses a method for fixing natural arnebia dye with garlic polysaccharides and belongs to the technical field of dye preparation. Garlic is crushed and mixed with ethyl alcohol for reflux and filtration, an acetic acid solution is added to regulate the pH value, a cellulose enzymolysis solution is added for ultrasonic enzymolysis, then a NaOH solution is added to regulate the pH value to be neutral, a garlic polysaccharide extract is obtained through inactivation at the high temperature and centrifugal filtration, the garlic polysaccharide extract and an extracted arnebia extract are subjected to grafting in the negative pressure state, magnetically stirred and cooled to the room temperature, and the fixed natural arnebia dye is prepared. The method has the benefits as follows: the garlic polysaccharides are extracted, and fixation is realized by the aid of the oxidation resistance of the garlic polysaccharides; the natural dye obtained with the method is high in color fastness, high in color yield, good in fixation effect and short in dyeing time and has the broad development prospect.

Description

technical field [0001] The invention relates to a method for color-fixing a natural comfrey dye with garlic polysaccharide, and belongs to the technical field of dye preparation. Background technique [0002] Garlic polysaccharide is an effective active ingredient extracted from garlic. It belongs to inulin-like fructan. Domestic research has confirmed that garlic polysaccharide has anti-oxidation, anti-virus, mediation of blood lipids, lowering blood sugar, enhancing human immunity, treating diseased myocarditis, improve CCL 4 The liver damage and other effects caused by the drug can effectively improve the body's antioxidant function, and there is a dose-effect correlation within a certain range. [0003] Natural dyes are non-toxic and harmless, non-allergic and carcinogenic to the skin, and have good biodegradability and environmental compatibility. The development of natural dyes is not only conducive to the protection of natural resources and the ecological environmen...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09B61/00C09B67/00D06P1/34
CPCC09B61/00C09B67/0096D06P1/34
Inventor 施淑琴
Owner RUGAO XIAYUAN SCI & TECH ESTABLISH A BUSINESS SERVICES CO LTD
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