KR100673586B1 - Anti bacterial cloth which is useful for anti-food poisoning towel or dishcloth and manufacturing method it that uses geranium thunbergii sieb. et. zucc. extract - Google Patents

Abstract

An anti bacterial cloth for using usefully as an anti-food poisoning towel or dish cloth by means of the geranium nepalense sub sp. thunbergii extract and a manufacturing method thereof are provided to have the antibacterial property, thereby preventing the infection of the towel or the dish cloth. The extract is manufactured from the geranium nepalense sub sp. thunbergii. A piece of cloth is immersed in the extract so that the cloth is dyed by the extract. The results at the dyeing process is inserted into a pyrostat at 50-100 degrees in centigrade and treated by the heat for 10-70 minutes. The extract is performed by the water-hot extraction method. The temperature of the hot water is 90-100 degrees in centigrade and the extraction time is 30-120 minutes. The dyeing process of the extract is performed at the temperature of 60-100 degrees in centigrade for 5-70 minutes.

Description

Anti bacterial cloth which is useful for anti-food poisoning towel or dishcloth and manufacturing method it that uses Geranium thunbergii Sieb. et. Zucc. extract}

1 is a graph showing the K / S value and colorimetric results by the number of wash times in order to determine the effect of the number of washes on the dyeability.

The present invention relates to a cloth having an antimicrobial property and a method for producing the same, and more particularly, to a cloth having an antimicrobial property and a method for producing the same using an extract of a natural plant.

In general, towels and cloths are often used to wipe hands and feet or to remove moisture, which is easily contaminated with various germs due to moisture. The number of food poisoning cases in Korea increased sharply in the late 1990s, with the highest number of 7,764 cases in 1999, and the number of cases rapidly increased to 119 cases in 1998 and 174 cases in 1999. In 2001, the number of patients increased to 70 in 2001.

The number of food poisoning cases per place was 273 non-restaurants, 192 families, and 150 school meals. According to the 1998-2001 survey, school meals are large in size, ranging from 33.6 to 122.5. In order to prevent food poisoning, such foods are prevented by boiling foods with cleanliness, but there is no suggestion to prevent them because the towel and towel itself have antimicrobial properties.

Therefore, the technical problem to be achieved by the present invention is to provide an antimicrobial cloth that can be used as a dish towel or towel because it has antimicrobial properties, in particular, antibacterial against food poisoning bacteria.

Another object of the present invention is to provide a method for producing the antimicrobial cloth described above.

In order to achieve the above technical problem, the present invention

It is provided with an antimicrobial cloth characterized in that it is dyed with an algae extract, preferably hot water extract.

The bacterium showing the antimicrobial activity of the antimicrobial cloth according to the present invention as described above is Staphylococcus aureus -KCTC 1927), Escherichia coil - KCTC 2441) and Salmonella typhimurium -KCTC 2515).

The antimicrobial cloth according to the present invention as described above includes both woven and nonwoven fabrics, and in particular means woven and nonwoven fabrics suitable for use as a cloth or towel.

In order to achieve another technical problem, the present invention

Heterogeneous extract step of preparing an extract from the heterogeneous pool; And

It provides a method for producing an antimicrobial cloth, comprising a dyeing step of dyeing the extract on the cloth by immersing the cloth in the extract of the extract.

In the method for producing an antimicrobial cloth according to the present invention as described above, the heterogeneous grass extraction step is extraction by hot water, the temperature of the hot water is 90 ~ 100 ℃, extraction time is preferably 30 to 120 minutes.

In the method for producing an antimicrobial cloth according to the present invention as described above, the dyeing step is preferably carried out while stirring the cloth while maintaining the temperature of the extract immersed in the cloth at 60 ~ 100 ℃ for 5 to 70 minutes.

In addition, the method for producing an antimicrobial cloth according to the present invention as described above, preferably further comprises the step of heat-treating for 10 to 70 minutes in a thermostat at 50 ~ 100 ℃ the result of the dyeing step.

The present invention as described above, while continuing the search for a method for manufacturing a towel and dish cloth having antimicrobial antimicrobial resistance to food poisoning, dyeing the extract of a native plant, a native plant native to Korea to produce a cloth having antimicrobial The discovery was made and it was completed.

Geranium used in the present invention nepalense sub sp . thunbergii ) is a genus belonging to the rat handiaceae family and grows native to Korea, Japan and Taiwan. Its height is about 50cm. Roots do not have straight roots, split into several, stems come out, grow obliquely, and hairs spread out. Leaves are opposite each other, split into 3 ~ 5, 3 ~ 7cm of butterfly, and often have black pattern. A forked piece is an upside down egg, with a dull, shallow tip, with irregular teeth on the top.

Hereinafter, a method of manufacturing an antimicrobial cloth using heterogeneous grass as described above will be described in detail.

First, the heterogeneous grass collected in May to October is poured into the extraction tank, immersed by pouring water of pH 7 corresponding to 10-20 times the weight of the heterogeneous grass, and then extracted with hot water at 90 to 100 ° C. for 30 to 120 minutes.

The conditions of the hot water extraction is not particularly limited, but the conditions under which the optimum antimicrobial material can be extracted by the present inventors are determined through many tests.

In addition, it is described as extraction with hot water, but the present invention is not limited to hot water extraction, and any extraction method known in the art to which the present invention pertains may be applied without limitation.

Subsequently, a dyeing step is performed by dipping a cloth in the extract of Della grass, and dyeing the Della extract on the cloth. This dyeing step stirs the cloth while maintaining the temperature of the extract in which the cloth is soaked at 60 to 100 ° C. for 5 to 70 minutes. It is preferable to carry out while going.

When the dyeing step is completed, the preparation of the antimicrobial cloth according to the present invention is completed. However, in order to improve the fastness of the dyeing, the present invention preferably further includes a step of heat-treating the resultant of the dyeing step in a thermostat at 50 to 100 ° C. for 10 to 70 minutes.

Hereinafter, the present invention will be described in detail with reference to the following examples.

Example 1 Preparation of Antimicrobial Cloth

In order to manufacture the antimicrobial cloth, the paper used mainly as a dish cloth in the kitchen was used. The size and type of the fabric used are shown in Table 1, and the color values of the refined undyed cloth are shown as Hunter value and Musell value. It was.

Furtherance thickness weight 100% cotton 0.35 cm 34.5 g

process Hunter value ΔE Munsell value L a b H V C if 86.87 1.48 -2.70 0.00 1.48P 8.57 1.11

Thus, 1.2kg of stems and leaves of heterogeneous grass planted in the flower packaging of Wonkwang University were pulverized, 4L of distilled water was put in an extractor (Extractor, Kyung Seo Machine, Korea), extracted and filtered for about 120 hours at a temperature of 100 ° C. The stock solution was dyed for 1 hour while maintaining 50 to 60 ° C. at a bath ratio of 1:15. After dyeing, washing with water sufficiently dried in a well-ventilated shade to complete the preparation of the antimicrobial cloth according to the present invention.

Example 2: Evaluation of the Effect of Dyeing and Washing on Dyeing

The stainability was measured after washing the cloth with the antimicrobial agent prepared in Example 1, and washing was performed 1 to 40 times by applying KS K 0403 at home, and dyeing was performed at intervals of 10 times after washing. It was measured by a spectrophotometer (Sectrometer, JX777, Japan).

In order to determine the effect of the number of washing on the dyeability, the K / S value and colorimetric results by the number of washing is shown in Figure 1 and Table 3, respectively. As shown in FIG. 1, as the number of washing increases, the K / S value decreases and the highest in the case of anhydrous tax. In Table 3, the change in L value is higher as the number of washing increases, and it can be seen that the color becomes bright. The H-value was shown as Y-series up to 30 times of washing, but it was found to be YR-type when washing more than 30 times. That is, although the color is changed, it can be seen that the state of being dyed up to 40 times washing with water is maintained.

process Hunter value ΔE Munsell value L a b H V C Undyed 86.87 a 1.48 a -2.70 d 0.00 e 1.48P c 8.57 ab 1.11 d Tax free 78.71 d 1.33 b 12.90 a 17.61 a 0.41Y e 7.73 ab 1.89 a Ten times 77.41 d 0.63 e 10.33 b 16.12 b 1.18Y d 7.59 b 1.47 b 20 times of washing 78.37 d 0.87 d 8.56 c 14.12 c 0.48Y e 7.69 b 1.25 c 30 times of washing 81.63 c 0.97 c 8.02 c 11.94 d 9.98 YR a 8.03 ab 1.18 cd 40 washes 82.29 c 1.57 a 7.69 c 11.35 d 8.77 YR b 8.10 ab 1.22 c

Example 3: Evaluation of the Effect of Antimicrobial Activity and Water Wash on Antimicrobial Activity

The antimicrobial effect test on bacteria is Staphylococcus aureus , Escherichia coil And Salmonella Based on pathogenic bacteria such as typhimurium , the antibacterial effect of four different types (non-washing, 10-washing, 20-washing, 30-washing, 40-washing) using heterogeneous grass extracts was examined. Indicated. Water washing was the same as in Example 2.

process Antibacterial activity-growth inhibition rate S. aureus E. coli Sal . typhimurium Undyed cloth Based on 0% antibacterial activity (256 x 10 ⁴ x 20) Based on 0% antimicrobial activity (378 x 10 ⁴ x 20) Based on 0% antibacterial activity (388 x 10 ⁴ x 20) Tax free 89.94% (26 x 10 ⁴ x 20) 80.69% (73 x 10 ⁴ x 20) 74.74% (98 x 10 ⁴ x 20) Ten times 77.73% (57 x 10 ⁴ x 20) 68.25% (120 x 10 ⁴ x 20) 65.21% (135 x 10 ⁴ x 20) 20 times of washing 70.31% (76 x 10 ⁴ x 20) 52.91% (178 x 10 ⁴ x 20) 60.31% (154 x 10 ⁴ x 20) 30 times of washing 67.58% (83 x 10 ⁴ x 20) 39.95% (227 x 10 ⁴ x 20) 51.55% (188 x 10 ⁴ x 20) 40 washes 59.38% (104 x 10 ⁴ x 20) 34.13% (249 x 10 ⁴ x 20) 34.54% (254 x 10 ⁴ x 20)

As shown in Table 4, the antimicrobial effect against S. aureus showed the bacterial growth rate of 89.84% of dehydrated sachets, followed by 77.73% in 10 washed sachets and 70.31%, 30 sachets washed 20 times. 67.58% of the cells washed with water and 59.38% with 40 cells washed. The antimicrobial effect on E. coil was 80.69% of the growth rate of water-free cloth, followed by 68.25% for 10-washed cloth, 52.91% for 20-washed cloth, and 39.95% for 30-washed cloth. Forty washes showed 39.95% bacterial growth. Sal . The antimicrobial effect on typhimurium showed 74.74% bacterial growth reduction, followed by 65.21% for 10 washes, 60.31% for 20 washes and 51.55% for 30 washes. In Sae-gun, the growth rate was 34.54%.

The most outstanding antibacterial disclosure bacteria were found in S. aureus antimicrobial effect after washing 40 times the bacteria showed similar reduction of E. coil was washed 20 times Sal. S. aureus showed the best antimicrobial effect on typhimurium with 30 washed bacteria.

The antimicrobial cloth according to the present invention as described above has antimicrobial properties against pathogenic bacteria, in particular, food poisoning bacteria, and when used as a dish towel or towel, can prevent infection of dish towels or towels and can suppress diseases caused by food poisoning and bacterial infections. It works.

Claims (8)

delete delete delete delete Heterogeneous extract step of preparing an extract from the heterogeneous pool; And Dyeing the dye on the cloth by immersing the cloth on the extract of the grass; And Put the result of the dyeing step 50 ~ 100 ℃ in an incubator, characterized in that it further comprises the step of heat treatment for 10 to 70 minutes, characterized in that the antimicrobial cloth manufacturing method. The method of claim 5, wherein the step of extracting heterogeneous grass is extraction by hot water, the temperature of the hot water is 90 ~ 100 ℃, the extraction time is 30 to 120 minutes. The method of claim 5 or 6, wherein the dyeing step is performed while stirring the cloth while maintaining the temperature of the extract immersed in the cloth at 60 to 100 ℃ for 5 to 70 minutes. delete

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