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Water-soluble compound antibacterial agent and preparation method thereof

A bacteriostatic agent, water-soluble technology, applied in botany equipment and methods, fungicides, biocides, etc., can solve the problems of limited application range, weak broad-spectrum antibacterial effect, etc., to expand the scope of application and antibacterial scope wide, good effect

Inactive Publication Date: 2015-03-04
MINNAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] In summary, garlic, houttuynia cordata, mugwort leaves, chrysanthemum, loquat leaves, light bamboo leaves and Eucommia leaves are all good natural antibacterial agents, but they have different inhibitory effects on bacteria, molds and yeasts. However, existing Most of the phytostatic agents use a single plant as a raw material. Although the inhibitory effect on certain types of harmful bacteria in daily necessities is better, the broad-spectrum bacteriostatic effect is weak. In addition, in terms of extraction technology, most of the existing phytostatic agents use ethanol Extraction process, and the solubility of ethanol extract in water is low, thus limiting its range of application in the daily necessities industry

Method used

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  • Water-soluble compound antibacterial agent and preparation method thereof
  • Water-soluble compound antibacterial agent and preparation method thereof
  • Water-soluble compound antibacterial agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The following steps are used to prepare water-soluble composite antibacterial agent:

[0034] 1 Preparation of garlic extract

[0035] 1.1 Use commercially available fresh garlic as a raw material, wash and peel it, cut it into uniform thin slices with a slicer, and dry it at 45°C to obtain dried garlic slices;

[0036] 1.2 Pulverize the dried garlic flakes obtained in step 1.1, and pass through a 60-mesh sieve to obtain garlic dry powder;

[0037] 1.3 Weigh a certain amount of garlic dry powder obtained in step 1.2, add distilled water at a weight ratio of garlic dry powder: water = 1:25, and extract 3 times under reflux in a water bath at 60°C for 3 hours each time. Liquid merge;

[0038] 1.4 vacuum filter the extract obtained in step 1.3, concentrate the filtrate on a rotary evaporator, stop concentrating when the volume of the filtrate is reduced to 1 / 8 of the original, and obtain a concentrated extract;

[0039] 1.5 Spray-dry the concentrated extract obtained in...

Embodiment 2

[0079] Preparation of antibacterial agent

[0080] Take by weighing 35% of the above-mentioned garlic extract, 15% of the Houttuynia cordata extract, 8% of the Artemisia argyi leaf extract, 16% of the chrysanthemum extract, 8% of the loquat leaf extract, 9% of the bamboo leaf extract and Eucommia Leaf Extract 9%. Composite and mix uniformly to obtain water-soluble composite antibacterial agent samples.

Embodiment 3

[0082] Preparation of antibacterial agent

[0083] Take by weighing 36% of the above-mentioned garlic extract, 16% of Houttuynia cordata extract, 8% of Artemisia argyi leaf extract, 16% of chrysanthemum flower extract, 8% of loquat leaf extract, 9% of Pallaria leaf extract and Eucommia Leaf Extract 7%. Composite and mix uniformly to obtain water-soluble composite antibacterial agent samples.

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Abstract

The invention discloses a water-soluble compound antibacterial agent and its preparation method. Antibacterial active ingredients of the water-soluble compound antibacterial agent are composed of a garlic extract product, a cordate houttuynia extract product, a tarragon extract product, a chrysanthemum extract product, a folium eriobotryae extract product, a lophatherum gracile extract product and a folium cortex eucommiae extract product. Garlic, cordate houttuynia, tarragon, chrysanthemum, folium eriobotryae, lophatherum gracile and folium cortex eucommiae which have different degrees of inhibiting effects on bacteria, mould and yeast are used as raw materials to be mixed so as to prepare the antibacterial agent. Thus, antimicrobial spectrum of the antibacterial agent is broadened effectively, and the defect that current plant antibacterial agents are prepared by using a single plant as a raw material and have poor broad-spectrum antibacterial effect is overcome. The antibacterial agent can inhibit a wide range of bacteria and has better effects. The invention also discloses a preparation method of the water-soluble compound antibacterial agent.

Description

technical field [0001] Technical field: the present invention relates to a bacteriostatic agent, in particular to a water-soluble compound bacteriostatic agent, and the invention also relates to a preparation method of the water-soluble compound bacteriostatic agent. Background technique [0002] In the process of prolonging the shelf life of daily necessities and ensuring the quality of daily necessities, antibacterial agents for daily necessities play a very important role. The main components of traditional antibacterial agents for daily necessities are chemical synthetic products. This kind of synthetic antibacterial agents has the problem of toxicity, and its use has been gradually restricted in many countries. Therefore, daily necessities additives have formed an international trend towards non-toxic, safe and natural direction. trend. [0003] Allicin contained in garlic has strong antibacterial and anti-inflammatory effects, and can inhibit or kill various cocci, ba...

Claims

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Application Information

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IPC IPC(8): A01N65/44A01P1/00A01P3/00
Inventor 张丹凤林淦潘裕添陈国平
Owner MINNAN NORMAL UNIV
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