Chinese herbal medicine residue nano-cellulose antibacterial agent and preparation method thereof

A technology of nano-cellulose and Chinese herbal medicine dregs, which is applied in the direction of botany equipment and methods, nanotechnology, nanotechnology, etc., can solve the problems of difficult selection, and achieve the effect of increasing profits, wide sources, and low cost

Inactive Publication Date: 2020-10-13
ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many types of enzymes on the market, which can not only assist in the preparation of nanocellulose but also extract the active ingredients of Chinese medicinal materials to the maximum extent, but it is extremely difficult to choose

Method used

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  • Chinese herbal medicine residue nano-cellulose antibacterial agent and preparation method thereof
  • Chinese herbal medicine residue nano-cellulose antibacterial agent and preparation method thereof
  • Chinese herbal medicine residue nano-cellulose antibacterial agent and preparation method thereof

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preparation example Construction

[0042] Such as figure 1 As shown, the preparation method of the Chinese herbal medicine dregs nanocellulose antibacterial agent provided by the embodiments of the present invention comprises the following steps:

[0043] S101, take the decocted traditional Chinese medicine dregs, put them in a disc mill after cooking, so that the traditional Chinese medicine in tubers becomes fibrous; wash until the solution is clear, remove fine fibers and impurities, and make the beating degree 85-95 degree, its water content is 75-85%, store it for later use.

[0044] S102, the multi-component cellulase configuration solution is 195 ~ 210μ / mL (hereinafter referred to as cellulase solution), cellulase (filter enzyme, β-glucosidase, endo-type cellulase and xylan Enzyme) 4U (hereinafter referred to as polysaccharide enzyme solution), placed in a refrigerator for constant temperature preservation.

[0045] S103, mixing the slurry prepared from the Chinese herbal medicine residue obtained in S10...

Embodiment 1

[0050] Apply the antibacterial agent on the surface of the paper base through a coating machine to coat the paper, and the coating amount is 12g / m 2 . The mass content of the antibacterial agent extract in the paper is 3%. Compared with the silver ion antibacterial paper, the antibacterial rate of the antibacterial paper is increased by 45-50%, and the antibacterial time is prolonged by 30%.

Embodiment 2

[0052] Escherichia coli, Staphylococcus aureus, and Candida albicans were selected as the experimental objects, and the antibacterial agents were directly added to the hand sanitizer. Compared with the common hand sanitizer at the same time, it was found that the hand sanitizer added with the nanocellulose antibacterial agent of Chinese herbal medicine dregs was antibacterial. The circle is about 3 to 5 times that of other hand sanitizers, and the hand feel is better than ordinary hand sanitizers.

[0053] The nano-cellulose antibacterial agent of Chinese herbal medicine dregs prepared by the present invention utilizes enzymatic method to extract the effective antibacterial components of Chinese herbal medicine dregs, and the enzymatic treatment can also make the cellulose nanometerized. Paper, the antibacterial rate can be increased by 40-50%, and the antibacterial time can be extended by 30-35%. Compared with ordinary antibacterial agents, the usage can be reduced and profit...

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Abstract

The invention belongs to the technical field of preparation of antibacterial agents, and discloses a Chinese herbal medicine residue nano-cellulose antibacterial agent and a preparation method thereof. The preparation method comprises the steps of placing cooked Chinese herbal medicine residues in a disc mill for treatment; cleaning until the solution is clear; preparing a solution of multi-component cellulase at 195-210[mu] / mL to obtain a cellulase solution; utilizing cellulase 4U to obtain a polysaccharide enzyme solution; mixing slurry prepared from the Chinese herbal medicine residues withthe cellulase solution, and then conducting homogenizing treatment to prepare a nano-cellulose solution; adding the obtained nano-cellulose solution into the polysaccharide enzyme solution to obtaina nano-cellulose colloid, inactivating the nano-cellulose colloid, and storing the inactivated nano-cellulose colloid for later use; and using the obtained colloid as an antibacterial agent. Accordingto the invention, a pure mechanical method is adopted to treat the residues, so that dissolution of effective components is reduced; and the nano-cellulose can be effectively prepared by adopting theadoption of enzymatic treatment, more polysaccharides in the cellulose can be extracted by the enzymatic treatment after the nano-cellulose colloid is prepared and are stored in hydrosol, and an antibacterial effect is achieved.

Description

technical field [0001] The invention belongs to the technical field of preparation of antibacterial agents, and in particular relates to a nano-cellulose antibacterial agent of Chinese herbal medicine residue and a preparation method thereof. Background technique [0002] At present, with the improvement of people's living standards, traditional antibacterial agents can no longer meet people's living needs. At present, the antibacterial agents on the market have problems such as unsatisfactory antibacterial effect, poor antibacterial persistence, and serious loss of antibacterial agents in the actual use process. There is an urgent need to develop green, pollution-free, low-cost, good antibacterial effects, and long-lasting antibacterial effects. The product. [0003] After the daily use of Chinese herbal medicine dregs, most of the active ingredients remain in the dregs of traditional Chinese medicine, which cannot be released by ordinary decoction methods, resulting in wa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/16A01N25/04A01P1/00C12P19/14C12P19/04D21H19/34D21H21/36A61K8/73A61Q19/10A41D13/11A41D31/30B82Y30/00B82Y40/00
CPCA01N43/16A01N25/04C12P19/14C12P19/04D21H19/34D21H21/36A61K8/731A61Q19/10A41D13/1192A41D31/30B82Y30/00B82Y40/00
Inventor 陈华宋均昇郑冰冰乔民侄吴迪张鸿裴慧黄壹
Owner ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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