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A kind of flax degumming liquid and preparation method thereof

A flax degumming solution and degumming solution technology are applied in the direction of bacterial retting, etc., which can solve the problems of rising cost of pure enzyme preparations, microbial pollution, environmental pollution and other problems, and achieve the effects of short degumming time, low residual glue rate and simple preparation method.

Active Publication Date: 2017-06-30
HEILONGJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problem that the microorganisms added in the current method of retting degumming pollute the retting liquid and pollute the environment; and the cost of adding pure enzyme preparations increases greatly and is easy to inactivate, and provides a kind of flax degumming liquid and its preparation method

Method used

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Effect test

specific Embodiment approach 1

[0016] Specific embodiment one: the flax degumming liquid of this embodiment is prepared by the konjac powder liquid medium fermentation of inoculation bacillus licheniformis (Bacillus licheniformis) HDYM-03, centrifugation gets supernatant; Wherein, konjac powder liquid medium is prepared by konjac flour, Made from yeast paste and distilled water, the pH value of the konjac flour liquid medium is 6.0-7.0.

[0017] The bacterial strain used to prepare the flax degumming solution in this embodiment is Bacillus licheniformis (Bacillus licheniformis) HDYM-03. Breeding of Mutant Strains and Preliminary Research on the Properties of Crude Enzymes", which were first preserved in the key laboratories of Heilongjiang University and universities in Heilongjiang Province.

specific Embodiment approach 2

[0018] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the konjac flour liquid medium is made in proportion by 20g konjaku flour, 5g yeast extract and 1000mL distilled water, and the konjac flour liquid medium pH value is 6.5. Others are the same as the first embodiment.

specific Embodiment approach 3

[0019] Specific embodiment three: the flax degumming liquid of this embodiment is prepared according to the following steps:

[0020] Inoculate Bacillus licheniformis (Bacillus licheniformis) HDYM-03 in konjac flour liquid medium, shake and culture at 37°C and 140r / min for 48h, then centrifuge, and take the supernatant to obtain flax degumming liquid;

[0021] Wherein, the konjac flour liquid medium is made of konjac flour, yeast extract and distilled water, and the pH value of the konjac flour liquid medium is 6.0-7.0.

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Abstract

The invention discloses a flax degumming liquid and a preparation method thereof, and relates to a plant fiber degumming liquid and a preparation method thereof, which solve the problems that in a current flax retting degumming method, added microorganisms contaminate a flax retting liquid and the environment, and an added pure enzyme preparation is greatly increased in cost and liable to inactivate. The flax degumming liquid is prepared by fermenting in a konjaku flour fluid nutrient medium for inoculating bacillus licheniformis HDYM-03, and centrifuging to get liquid supernatant. The flax degumming liquid is prepared by the following steps: inoculating the bacillus licheniformis HDYM-03 into the konjaku flour fluid nutrient medium to culture; and then, centrifuging to get the liquid supernatant, thereby obtaining the flax degumming liquid. The flax degumming liquid is short in degumming time, complete in degumming, low in residual gum content, high in cellulose yield and high in strength. The preparation method for the flax degumming liquid is simple and low in cost.

Description

technical field [0001] The invention relates to a plant fiber degumming solution and a preparation method thereof. Background technique [0002] Flax (Linum usitatissimum) is an annual herbaceous plant belonging to the Linaceae family and widely planted in Europe and Asia. my country is the second largest flax producing area in the world after Russia, and it is planted in Xinjiang, Hunan, Heilongjiang and other places. Flax fiber is the earliest natural plant fiber used by humans, which can be traced back to the ancient Egyptian period thousands of years ago. Linen is a pure natural fiber, which has the functions of moisture absorption, breathability, antibacterial and health care, and is harmless to the human body. It is in short supply in the textile market. [0003] The purification process of flax fiber is the process of removing the colloidal components in the original flax stems to obtain pure fibers, which is called degumming. Warm water retting is the most widely ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01C1/04
CPCD01C1/04
Inventor 赵丹平文祥葛菁萍潘超刘鹏飞杜仁鹏张历
Owner HEILONGJIANG UNIV
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