KR20230115542A - Natural washing bar comprising fruit extracted and manufacturing method thereof - Google Patents

Abstract

The present invention relates to a natural laundry bar containing a fruit extract and a method for manufacturing the same, and more specifically, to provide a natural laundry bar using a fruit extract, safe to the human body and the environment, and excellent in cleaning power for textiles and clothes, without skin irritation. .

Description

Natural washing bar containing fruit extract and manufacturing method thereof

The present invention relates to a natural laundry bar containing a fruit extract and a method for manufacturing the same, and more specifically, to provide a natural laundry bar using a fruit extract, safe to the human body and the environment, excellent in cleaning power for textiles and clothes, without skin irritation will be.

In general, washing, which is a process of removing contamination from fibers or clothes, is classified into two types. The first is a method using a laundry detergent, which is a common method of dispersing a surfactant in water, increasing the alkalinity of the water to remove contamination, rinsing it, and dehydrating and drying it. Second, the alkaline washing conditions, long-term contact with water, and the physical force of a washing machine driven strongly for a long time cause deformation on the surface and inside of the fiber, resulting in loss of luster and fibers that can cause deformation such as contraction or relaxation (for example, In the case of natural protein-based fibers such as wool or silk fabrics, artificial silk, or acetate fibers), petroleum-based, chlorine-based, glycol ester-based, cyclic silicone, or terpene oil-based solvents such as silicone-based, fluorine-based, and limonene, which are called solvents, are used. It is a dry cleaning method that dissolves and removes oil-based contaminants, removes these solvents from clothes by a physical method, and then dries to volatilize the solvent.

Since a large amount of water is used in a general washing method using a general laundry detergent, the effect of removing aqueous stains is excellent, but there is a limit to removing oil stains. In addition, there is a disadvantage in that long-term contact with alkaline washing conditions and water causes deformation on the surface and inside of the fiber, resulting in loss of luster and deformation such as shrinkage or relaxation.

Recently, neutral liquid detergents are commercially available in order to prevent damage and deformation of clothes caused by the basicity of detergents. However, since these are also used after being diluted in water, there is still a disadvantage that deformation due to water cannot be alleviated.

On the other hand, there is a dry cleaning method as a washing method for preventing damage or deformation of fibers and clothing, which is a disadvantage of water washing. This dry cleaning method exhibits excellent characteristics in removing oil-based contaminants, but has limitations in removing aqueous contaminants. In addition, in most cases, it is classified as a substance harmful to the human body and the environment and must be washed in a closed washing system. This makes the equipment expensive and very complex to maintain the washing system.

In general, a laundry detergent (detergent) for removing dirt or dust is first used, and finally, a fabric conditioner (fabric conditioner) for softening fibers is added into the washing machine.

The laundry detergent is a laundry additive containing a surfactant, carbonate and zeolite, which are alkali builders, as main components, and removes wastes attached to clothes and the like due to the surfactant effect of the surfactant. The fabric softener added after the laundry detergent is used to soften the fabric by taking advantage of fibers. Since the laundry detergent generally has basicity due to the carbonate, when clothes are washed with the laundry detergent, the fiber of the clothes becomes stiff. In order to solve this problem, the fabric softener having acidity is added to neutralize the fibers of the fabric, thereby softening the fabric.

Through the above-described method, various types of additives are used to restore the original aesthetic function of the clothes, to be hygienically clean, and to maintain the softness of the fibers. Therefore, conventional washing of clothes has the inconvenience of having to prepare various types of additives.

By the way, the surfactant used in the laundry detergent has conventionally been mainly used as a synthetic surfactant. However, the synthetic surfactant is a cause of various skin diseases such as atopy due to strong corrosive power and toxicity, and causes deterioration of water quality such as rivers or groundwater, thereby adversely affecting the human body and the environment. In addition, in the manufacturing process of these synthetic surfactants, various toxic contaminants were discharged, which caused environmental pollution.

Therefore, eco-friendly detergents are being released using natural surfactants extracted from various natural materials to replace these synthetic surfactants, but they have less detergency compared to conventional detergents, so they must be used in larger amounts than conventional detergents. The downside was that it was expensive.

In recent years, a method for producing eco-friendly detergents using useful microorganisms in place of conventional detergents has been widely known.

The useful microbial group is a combination and culture of about 80 types of microorganisms such as yeast, lactic acid bacteria, yeast, photosynthetic bacteria, actinomycetes, and molds used for fermentation among many microorganisms existing in nature. It is traded in liquid form. These useful microorganisms in a liquid state are generally referred to as EM stock solutions.

The useful microbial group reacts with carbohydrates in food, ferments the food, and has an effect of preventing oxidation with strong antioxidant power. In addition, it has various effects such as inhibition of growth of spoilage bacteria, solubilization of insoluble inorganic components, antibacterial ability, nitrogen fixation, and prevention of odor. Therefore, it is generally known as an eco-friendly material, and a method of making an eco-friendly detergent using the same is widely known.

However, most of the detergents using the useful microorganisms are intended to replace conventional detergents, and there is a problem in that a fabric softener must be used separately, and there is also a problem of weak detergents that conventional eco-friendly detergents have. situation.

KR 10-2017-0106825 B1

An object of the present invention is to provide a natural laundry bar containing a fruit extract, safe to the human body and the environment, excellent in cleaning power for fibers and clothes, and a manufacturing method thereof, without skin irritation.

In order to achieve the above object, a method for manufacturing a natural laundry bar according to an embodiment of the present invention includes the steps of: 1) preparing a primary mixture by mixing a natural surfactant and useful microorganisms in purified water; 2) preparing a secondary mixture by adding fruit extract and starch to the primary mixture; 3) a heating step of heating the secondary mixture while stirring; 4) a solidification step of solidifying after the heating step of step 3); 5) an aging step of aging after the 4) solidification step; and 6) a molding step of compression molding using a compressor PVC mold after the aging step of 5).

The natural surfactant is sulfosuccinate (LES, Disodium Laureth Sulfosuccinate), Sodium Cocoyl Isethionate, Glyceryl Stearate, Coco Betaine, Cocoamidope It is selected from the group consisting of Cocoamidopropyl Betaine, Apple Wash, and mixtures thereof.

The useful microorganisms are Lactobacillales, Streptococcus thermophiles, Bifidobacterium longum, Saccharomyces cerevisiae, Bacillus subtilis It is selected from the group consisting of Bacillus subtilis, Bacillus megaterium, Bacillus licheniformis, Bacillus pumilus and mixtures thereof. .

The fruit extract is selected from the group consisting of grapefruit extract, lemon extract, citrus extract, and mixtures thereof.

The starch is characterized in that sugar cane starch or corn starch.

The extract is extracted using an extraction solvent selected from the group consisting of water, C ₁ to C ₆ lower alcohols, and mixtures thereof.

A natural laundry bar according to another embodiment of the present invention is manufactured by the above manufacturing method.

Hereinafter, the present invention will be described in more detail.

As used herein, the term 'extract' has a meaning commonly used in the art as a crude extract in the art as described above, but also includes fractions obtained by additional fractionation of the extract in a broad sense. That is, the plant extract includes not only those obtained using the above-described extraction solvent, but also those obtained by additionally applying a purification process thereto. For example, a fraction obtained by passing the extract through an ultrafiltration membrane having a certain molecular weight cut-off value, separation by various chromatography (made for separation according to size, charge, hydrophobicity or affinity), etc. Fractions obtained through various purification methods are also included in the plant extract of the present invention.

The extract used in the present invention may be prepared in a powder state by additional processes such as distillation under reduced pressure and freeze drying or spray drying.

A method for manufacturing a natural laundry bar according to an embodiment of the present invention includes the steps of: 1) preparing a primary mixture by mixing a natural surfactant and useful microorganisms in purified water; 2) preparing a secondary mixture by adding fruit extract and starch to the primary mixture; 3) a heating step of heating the secondary mixture while stirring; 4) a solidification step of solidifying after the heating step of step 3); 5) an aging step of aging after the 4) solidification step; and 6) a molding step of compression molding using a compressor PVC mold after the aging step of 5).

Step 1) is a step of adding and mixing a natural surfactant and useful microorganisms into purified water. The use of natural surfactants has the advantage of less irritation to the skin and softer foam, and mixing with useful microorganisms causes skin trouble. It is possible to manufacture a natural laundry bar that is advantageous for prevention.

The natural surfactant is sulfosuccinate (LES, Disodium Laureth Sulfosuccinate), Sodium Cocoyl Isethionate, Glyceryl Stearate, Coco Betaine, Cocoamidope It is selected from the group consisting of Cocoamidopropyl Betaine, Apple Wash, and mixtures thereof.

The sulfosuccinate (LES, Disodium Laureth Sulfosuccinate) is also called disodium laureth sulfosuccinate, and is an anionic surfactant made from coconut oil and succinic acid, which has excellent foaming power and is a surfactant that increases the viscosity of the skin. It is hypoallergenic and is used for shampoo and skin care.

The Coco Betaine is called Cocoamidopropyl Betaine and is an amphoteric surfactant. It is a substance obtained from coconut oil. When used in shampoo, shower gel, etc., it has mild properties that do not irritate the skin mucous membrane. When used with sodium lauryl sulfate (SLS), it can reduce irritation and increase viscosity. has a preventive effect.

The cocoamidopropyl betaine (Cocoamidopropyl Betaine) is a surfactant that is used as a detergent, foam stabilizer, and viscosity forming agent that increases viscosity made from palm oil fatty acids.

The useful microorganisms of the present invention are Lactobacillales, Streptococcus thermophiles, Bifidobacterium longum, Saccharomyces cerevisiae, Bacillus subtilis subtilis), Bacillus subtilis, Bacillus megaterium, Bacillus licheniformis, Bacillus pumilus and mixtures thereof. is chosen

Specifically, as the useful microorganism, any one or more lactic acid bacteria selected from the group consisting of Lactobacillales, Streptococcus thermophiles, and Bifidobacterium longum are used as the lactic acid bacteria, and the yeast Saccharomyces cerevisiae is used, and the Bacillus subtilis is Bacillus subtilis, Bacillus subtilis spigepii, Bacillus megaterium, Bacillus licheniformis and Bacillus pumilus are used.

The useful microorganisms (Effective Microorganisms) mean lactic acid bacteria, actinomycetes, filamentous bacteria, yeasts, photosynthetic bacteria, etc. that are beneficial to the human body existing in nature, and due to their eco-friendly characteristics, they are used in various industrial fields from household life to agriculture and industry. Utilization is increasing.

The useful microorganisms (EM) applied to the present invention are not particularly limited, such as lactic acid bacteria, actinomycetes, filamentous bacteria, yeasts, and photosynthetic bacteria beneficial to the human body, but are preferably selected in consideration of productivity of mass production.

In manufacturing a laundry bar based on the useful microorganism (EM), the present invention can provide a laundry bar excellent in preventing skin allergy while purifying contaminants in an environmentally friendly manner.

In addition, when washing is performed using a laundry bar containing the useful microorganisms (EM), even if the EM microorganisms are killed, the sulfur oxides are rich in the composition. It prevents various types of static electricity generated in the air, is useful for removing odors, and realizes the effect of preventing skin allergies.

Step 2) is a second mixture preparation step in which fruit extract and starch are added to the first mixture and mixed. The use of natural ingredients of the fruit extract has excellent biodegradability, is non-toxic and does not cause skin trouble, antibacterial and It has the advantage of excellent deodorizing power.

The fruit extract is selected from the group consisting of grapefruit extract, lemon extract, citrus extract, and mixtures thereof.

The fruit extract contains limonene extracted from grapefruit extract, lemon extract, and citrus extract, and has excellent cleaning power and antibacterial effect to prevent skin damage by inhibiting the activity of inflammatory mediators.

Limonene is an extract of natural citrus peels, obtained by distillation and extraction from orange peels in Brazil, Australia, the United States and Europe. D-Limonene is a terpenoid in terms of chemical structure and has 10 carbon atoms. Due to its structural characteristics, it has a relatively higher decontamination ability than perchlorethylene, a conventional petroleum solvent, in terms of degreasing rate, and octanal. , Nonanal, Pecanal, Linol, etc. can be used for industrial, edible, and flavoring purposes depending on the content when mixed, and can also be used for purposes such as some components of a deodorant composition. In addition, since D-limonene has a high boiling point of 155° C. or higher as a liquid, it is not only chemically stable but also recognized as safe by the FDA (US Food and Drug Administration).

The step 3) is a step of heating the secondary mixture mixed in the step 2) while stirring, to enhance the mixing effect of the primary mixture and the secondary mixture mixed in the step 1).

The heating step is heating with stirring at 30 to 50 ° C. Preferably, it is made at 30 to 35 ° C. for 10 to 20 days, and the temperature range and period increase the effect of mixing the primary mixture and the secondary mixture with each other, making it easy to manufacture a natural laundry bar.

Step 4) is a step of cooling and solidifying the mixture after the heating step of step 3), and is a step for manufacturing a solid washing bar that does not require a washing container.

The solidification step 4) is different from the prior art manufacturing process of condensing a liquid laundry composition into a solid laundry bar or manufacturing a general laundry soap, and is a manufacturing process of compressing a surfactant rather than solidifying with a chemical solvent. .

The step 5) is to undergo an aging step after the step 4) solidification, and is performed at 5 to 35 ° C for 1 to 3 weeks.

The temperature range and period is a temperature range and period for maintaining the solidified mixture, and is a step for maintaining a constant shape without breaking easily during manufacture of the laundry bar.

In addition, a kneading step may be further included to evenly mix the ingredients during the aging step.

Step 6) after the aging step 5) proceeds with a molding step of compression molding using a compressor PVC mold, and compressing the solidified mixture into a PVC mold so that it can be maintained in a solid form once more. This is the stage where you can mold it into a desired shape according to the model.

The starch of the present invention is characterized in that it is sugar cane starch or corn starch.

The starch is composed of amylopectin and amylose and is extracted from plants. The starch of the present invention is preferably corn starch or sugar cane starch.

The starch particles are composed of a regular micellar structure by strong bonding between molecules. On the other hand, when water is added to starch and heated, water molecules permeate into the micelle structure, the distance between the starch particles gradually increases and expands, and gelatinization in which the micelle structure is disturbed proceeds. That is, the surface area that can be in contact with contaminants is increased due to the expansion of the starch, so that the cleaning power of the detergent is improved. In addition, due to the adsorptive properties of fine starch particles, bacteria such as mold can be easily removed.

In addition, in the present invention, in addition to the fruit extract, a natural extract is further included.

Preferably, the natural extract of the present invention further comprises an extract of Fragaria orientalis, an extract of Carex nubigena var. albata, and an extract of Artemisia sylvatica Maxim.

When the natural extract is further included, an effective function for restoring the softness of clothes may be exhibited while exhibiting an excellent cleaning effect.

The Fragaria orientalis is a diploid species of wild strawberry native to East Asia and Siberia, and the fruits ripen in purple-red with deeply inserted ovoid achene.

The sedge (Carex nubigena var. albata) is a perennial plant of the monocotyledonous rice plant Sedge family, and grows in mountains and fields. The rhizome is short, and the stem is long, thin, triangular, and stands straight. The height is about 30 cm. The leaves are clustered, line-shaped, and have pointed ends. The leaves are shorter or longer than the stem and are about 3mm wide. Flowers bloom from April to June. The flower spike stands straight at the end of the stem, is cylindrical, and is about 25 to 40 mm long. There is a short line-shaped bract at the base, and the spikelet is benign and about 5mm long. The female flower young is egg-shaped with a pointed end and brown. Gwanang is egg-shaped lancet-shaped, 4-5mm long, longer than young, and has two styles. It is distributed in Jeollabuk-do, Gyeonggi-do, Pyongannam-do, Pyonganbuk-do, Hamgyeongnam-do, and Hamgyeongbuk-do.

The shade (Artemisia sylvatica Maxim.) is a perennial plant of the dicotyledonous plant Asteraceae, and grows in mountain forests. The leaves from the root remain until the flower blooms, spread in the shape of a rosette, egg-shaped or long oval, and have a pointed end. It is 11 to 20 cm in length and 7 to 9.5 cm in width, with slightly curly hairs on the surface, spider web-like hairs on the back, and sharp sawtooth on the edge. The leaves from the stem are similar to the leaves from the root, but they are different in size.

Preferably, the natural laundry bar of the present invention contains 60 to 80 parts by weight of natural surfactant, 40 to 60 parts by weight of useful microorganisms, 40 to 60 parts by weight of fruit extract, 10 to 20 parts by weight of starch, 100 parts by weight to 100 parts by weight of purified water, It contains 10 to 20 parts by weight of Chomae extract, 10 to 20 parts by weight of Doraengi sedge extract, and 10 to 20 parts by weight of Udonchwi extract.

When mixed in the above weight range, it is most suitable for the use of the finally prepared natural laundry bar and can have excellent cleaning power for fibers. In particular, it can exhibit antibacterial and deodorizing power without skin irritation.

In addition, if the weight exceeds the above range, foam is generated roughly, which may cause adverse effects that may cause skin trouble.

The extract is extracted using an extraction solvent selected from the group consisting of water, alcohol having 1 to 6 carbon atoms, and mixtures thereof.

Specifically, washing the natural product to prepare an extract; drying after washing; pulverizing the natural product after drying; leaching the pulverized product using an organic solvent; drying the sample after leaching; leaching with water; And including the step of leaching, it is possible to obtain a natural extract.

The natural extract extracted using the organic solvent may further include a step of fractionating using an organic solvent.

A method for preparing the extract may be a conventional extraction method in the art, such as an ultrasonic extraction method, a leaching method, and a reflux extraction method. Specifically, it may be an extract obtained by extracting a natural product from which foreign substances are removed by washing and drying with water, alcohol having 1 to 6 carbon atoms, or a mixed solvent thereof, and may be an extract obtained by sequentially applying the solvents to a sample.

The reflux extraction method is based on 100 mL of water and alcohol having 1 to 6 carbon atoms, 10 to 30 g of pulverized natural product, 1 to 3 hours of reflux time, and 50 to 100% of alcohol having 1 to 6 carbon atoms or water. More specifically, based on 100 mL of alcohol having 1 to 6 carbon atoms or 100 mL of water, 10 to 20 g of pulverized natural product, 1 to 2 hours of reflux, and 70 to 90% of alcohol or water having 1 to 4 carbon atoms .

The leaching method is carried out at 15 to 30 ° C. for 24 to 72 hours, and water or 50 to 100% of alcohol having 1 to 6 carbon atoms is used as an extraction solvent. More specifically, it is performed at 20 to 25 ° C. for 30 to 54 hours, and the extraction solvent is water or 70 to 80% of alcohol having 1 to 6 carbon atoms.

In the ultrasonic extraction method, the reaction is performed at 30 to 50 ° C. for 0.5 to 2.5 hours, and the extraction solvent is water or 50 to 100% of alcohol having 1 to 6 carbon atoms. Specifically, extraction is performed at 40 to 50 ° C. for 1 to 2.5 hours, and water or 70 to 80% of alcohol having 1 to 6 carbon atoms is used as an extraction solvent.

The extraction solvent may be used in an amount of 2 to 50 times, more specifically, 2 to 20 times, based on the weight of the sample. For extraction, the sample may be left for 1 to 72 hours for extraction in an extraction solvent, more specifically, for 24 to 48 hours.

After extraction, the extract can be fractionated by sequentially applying a fresh fractionation solvent. The fractionation solvent used in the fractionation is at least one selected from the group consisting of water, hexane, butanol, ethylacetic acid, ethyl acetate, methylene chloride, and mixtures thereof, and is preferably ethyl acetate or methylene chloride.

After obtaining the extract or fraction, a method such as concentration or lyophilization may be additionally used.

A natural laundry bar according to another embodiment of the present invention is manufactured by the above manufacturing method.

Hereinafter, the present invention will be described in more detail through examples. Since these examples are intended to illustrate the present invention only, the scope of the present invention is not to be construed as being limited by these examples.

The present invention relates to a natural laundry bar containing a fruit extract and a method for manufacturing the same, and specifically, to provide a natural laundry bar using a fruit extract, safe to the human body and the environment, and excellent in cleaning power for textiles and clothes, without skin irritation. can

1 shows a form of a natural laundry bar manufactured according to an embodiment of the present invention.
Figure 2 shows a method for manufacturing a natural laundry bar manufactured according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail so that those skilled in the art can easily implement the present invention. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein.

[Production Example 1: Production of natural laundry bar]

1. Preparation of fruit extract

Grapefruit was naturally dried, and then the grapefruit was ground in a blender to form a powder. Thereafter, 95% concentration of ethanol was mixed, and extraction was performed at 70° C. for 5 hours.

The extract was filtered through Whatman NO.2 (Whatman Ltd., UK) to obtain a liquid component, and after concentrating the liquid component by applying a vacuum evaporator, a grapefruit extract (CE) was obtained.

2. Preparation of natural extracts

Oriental chome was washed with water and then dried at room temperature. The dried oriental herb was pulverized using a grinder to obtain a powder. 100 g of the above powder was put into 2 L of ethanol and mixed at 100 rpm for 24 hours at 25°C. Thereafter, the solvent was removed through a vacuum rotary concentrator (N-1000S) to prepare an extract (FE) of Oriental herb.

In the same way as the manufacturing method of the Orchid chomae extract (FE), Doraengyi sedge extract (AE) and shade extract (CE) were prepared.

3. Manufacture of natural laundry bar

First, sulfosuccinate (LES, Disodium Laureth Sulfosuccinate), Sodium Cocoyl Isethionate, Glyceryl Stearate, Coco Betaine, Cocoamidopropyl Betaine (Cocoamidopropyl Betaine) and Apple Wash were mixed in equal proportions and used as a natural surfactant.

Thereafter, Lactobacillales, a lactic acid bacterium, Saccharomyces cerevisiae, a homobacteria, and Bacillus subtilis, a Bacillus subtilis, were mixed in equal proportions and used as useful microorganisms (EM).

The natural surfactants, useful microorganisms (EM), grapefruit extract (CE), oriental herb extract (FE), sedge extract (AE), and shade extract (CE) were mixed within the weight ranges shown in Table 1 below.

CL1 CL2 CL3 CL4 CL5 CL6 Purified water 100 100 100 100 100 100 natural surfactant 70 70 70 70 70 70 Useful Microorganisms (EM) 50 50 50 50 50 50 grapefruit extract - 50 50 50 50 50 corn starch - - 15 15 15 15 FE - - 5 10 20 25 AE - - 5 10 20 25 CE - - 5 10 20 25

(unit: parts by weight)

The natural surfactant and useful microorganisms were added to purified water to prepare a first mixture, and then a grapefruit extract and corn starch were added to prepare a second mixture, and the second mixture was stirred at 35 ° C for 20 days. heated.

In the case of the CL3 to CL6, Orchid chomae extract (FE), Doraengi sedge extract (AE), and Shadchwi extract (CE) were further mixed with the secondary mixture and heated while stirring at 35 ° C. for 20 days.

Thereafter, the stirred heated mixture was cooled and solidified, and no chemical solvent was used.

The solidified mixture was aged at 35° C. for 3 weeks, and then compressed and molded using a pill-shaped compressor PVC mold to manufacture natural laundry bars CLB1 to CLB6 of the present invention.

[Experimental Example 1: Evaluation of foaming force of natural laundry bar]

In order to determine the foaming capacity according to the use of the natural laundry bars CLB1 to CLB6 prepared in Preparation Example 1, a foaming force test was conducted according to the following method.

It was measured using a SITA R-2000 bubble meter (a device that measures the height of bubbles after generating bubbles using a rotor). After making natural laundry bar sample solutions CLB'1 to CLB'5, 0.1 g was dropped on cotton.

The results are shown in Table 2 below, and are the results showing the average value after repeating the experiment three times.

In addition, ammonium lauryl sulfate (ALS), a sulfate-based surfactant commonly used as a detergent, was used as a comparative example, and the foaming force was measured in the same manner as in the above experiment.

Comparative Example (ALS) CLB'1 CLB'2 CLB'3 CLB'4 CLB'5 CLB'6 bubble height 652 752 766 772 784 789 759

(Unit: mm)

As can be seen from Table 2, the natural laundry bar sample solution of the present invention showed a foaming force very similar to that of ammonium lauryl sulfate (Comparative Example).

In particular, it was confirmed that the sample solutions CLB'3 to CLB'4 further containing natural extracts of Dongbangchomae extract (FE), Doraengyi sedge extract (AE), and Shadow extract (CE) exhibit better foaming power than Comparative Example. did

Therefore, when the natural laundry bar of the present invention contains the natural extract, it is possible to provide a laundry bar having excellent foaming power.

[Experimental Example 2: Evaluation of Detergency of Natural Washing Bar]

The cleaning power of the washing bars CLB1 to CLB6 of the present invention prepared in Preparation Example 1 and the conventional synthetic detergent was compared.

The cleaning power test was conducted at room temperature (25 ℃) and under led lighting by putting EMPA-104 (JIS soiled cloth) into a cleaning device (model name Terg-o-Tometer) containing washing water with a detergent concentration of 1 g/L. minutes and rinsed 3 times for 2 minutes. The cleaning power was compared and evaluated by setting the average value of the cleaning power of conventional synthetic detergents to 100, and whiteness was also measured using a color difference meter.

comparative example CLB1 CLB2 CLB3 CLB4 CLB5 CLB6 cleaning power 100 110 115 122 140 148 132 whiteness 55 63 78 86 88 91 77

(Unit: index)

As shown in Table 3, it was confirmed that the efficacy of the washing bar of the present invention was further improved compared to conventional synthetic detergents in terms of detergency and whiteness.

In particular, it was confirmed that washing bars CLB3 to CLB4 further containing natural extracts produced more improved results in detergency and whiteness.

[Experimental Example 3: Skin irritation test of natural laundry bar]

As a skin irritation test of the natural washing bar CLB1 to CLB6 of the present invention, 0.5% of Compound 48/80 (atopic dermatitis inducer) was applied to the right shoulder of a nude mouse (BALB/C sic-nu/nu mouse (12-17g, ♀)). The number of scratches was measured for 1 hour after application.

Then, 24 hours later, 100 μl of each of the natural laundry bars CLB1 to CLB6 of the present invention, diluted 1/10 using purified water, was applied to the left shoulder of 12 rats, and 10 minutes later, 0.5% compound 48 50 μl of /80 was applied and the number of scratches was measured for one hour.

The number of scratches when only the 0.5% compound 48/80 was applied was converted to 100% to be the standard common number, and the number of scratches after applying the sample and compound 48/80 was compared to the common standard number.

As a control, saline was applied, and as a positive control, a conventional synthetic detergent used in the detergency test was used.

The test was repeated three times, and the results are shown in Table 4 below.

control group
(saline solution) positive control CLB1 CLB2 CLB3 CLB4 CLB5 CLB6 number of scratches 112 57 55 51 50 48 44 52

(Unit: index)

As shown in Table 3, it was confirmed that the natural laundry bars CLB1 to CLB6 according to the present invention exhibited an alleviating effect on skin irritation.

In particular, in the case of using the natural laundry bars CLB4 to CLB5 further containing natural extracts, it was confirmed that the number of scratches against skin irritation was low, indicating a high skin irritation alleviation effect.

Therefore, the natural laundry bar according to the present invention exhibits excellent cleaning power without skin irritation, and it is possible to provide a natural laundry bar that is safe for the human body and the environment.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concept of the present invention defined in the following claims are also made according to the present invention. falls within the scope of the rights of

Claims (7)

1) preparing a primary mixture by adding and mixing natural surfactants and useful microorganisms into purified water;
2) preparing a secondary mixture by adding fruit extract and starch to the primary mixture;
3) a heating step of heating the secondary mixture of step 2) while stirring;
4) a solidification step of solidifying by cooling after the heating step of step 3);
5) an aging step of aging after the 4) solidification step; and
6) Comprising a molding step of compression molding using a compressor PVC mold after the 5) aging step
Manufacturing method of natural laundry bar. According to claim 1,
The natural surfactant is sulfosuccinate (LES, Disodium Laureth Sulfosuccinate), Sodium Cocoyl Isethionate, Glyceryl Stearate, Coco Betaine, Cocoamidope Cocoamidopropyl Betaine, Apple Wash, and mixtures thereof
Manufacturing method of natural laundry bar. According to claim 1,
The useful microorganisms are Lactobacillales, Streptococcus thermophiles, Bifidobacterium longum, Saccharomyces cerevisiae, Bacillus subtilis Selected from the group consisting of Bacillus subtilis, Bacillus megaterium, Bacillus licheniformis, Bacillus pumilus and mixtures thereof
Manufacturing method of natural laundry bar. According to claim 1,
The fruit extract is selected from the group consisting of grapefruit extract, lemon extract, citrus extract, and mixtures thereof
Manufacturing method of natural laundry bar. According to claim 1,
The starch is sugar cane starch or corn starch, characterized in that
Manufacturing method of natural laundry bar. According to claim 4.
The extract is extracted using an extraction solvent selected from the group consisting of water, C ₁ to C ₆ lower alcohols, and mixtures thereof.
Manufacturing method of natural laundry bar. Claims 1 to 6, which is manufactured by the manufacturing method according to any one of claims 1 to 6
Natural laundry bar.