Bacteriostatic detergent containing plant extract and preparation method thereof

Abstract

The invention belongs to the technical field of washing products, and particularly relates to a plant extract-containing antibacterial detergent and a preparation method thereof, the plant extract-containing antibacterial detergent is prepared from the following components by mass: 0.1-4% of a commelina communis extract, 0.1-4% of a thyme extract, 0.1-4% of a cayratia japonica extract, 10-24% of an anionic surfactant, 1-3% of a nonionic surfactant, 0.05-0.2% of a chelating agent, 1-5% of a solubilizer, and the balance of water. 1-2% of a thickening agent, 0.2-0.6% of a preservative and the balance of water. The commelina communis extract, the Japanese cayratia herb extract and the thyme extract in the prepared detergent cooperate with one another, so that the bacteriostatic and degerming ability of the detergent is improved, the detergent is not endowed with pleasant fragrance, the decontamination ability is improved, and the detergent is harmless to human bodies and safe to use.

Description

Technical Field

[0001] This invention belongs to the field of detergent technology, specifically relating to an antibacterial detergent containing plant extracts and its preparation method. Background Technology

[0002] Dishwashing liquid is a daily cleaning product that effectively cleans and removes grease and grime from plants and animals, disinfects, and leaves no residue. It is widely used for cleaning tableware, fruits, and vegetables. The main components of dishwashing liquid are sodium alkyl sulfonate, sodium fatty alcohol ether sulfate, and foaming agents. With increasing demands for quality of life, people expect dishwashing liquid to possess antibacterial properties in addition to its cleaning ability. Current antibacterial agents are mostly inorganic, such as chlorine-based, bromine-based, and iodine-based agents, while organic agents... Bacterial agents are mainly divided into biguanide bactericides and monoguanide bactericides. Commonly used chlorine-containing bactericides include chlorine dioxide, sodium hypochlorite, and sodium dichloroisocyanurate. Commonly used bromine-containing bactericides include bromochlorohydantoin and dibromohydantoin. Commonly used iodine-containing bactericides include elemental iodine and povidone-iodine. Biguanide bactericides include chlorhexidine and its derivatives, polyhexamethylene biguanide salt, and polyaminopropyl biguanide. Monoguanide bactericides are mainly polyhexamethylene monoguanide, including hydrochloride, stearate, and propionate.

[0003] While existing inorganic and organic antibacterial agents possess strong antibacterial and bactericidal effects, long-term use can lead to bacterial resistance, reducing their effectiveness. Furthermore, their relatively high toxicity and long-term, large-scale use place significant pressure on the environment. Therefore, natural plant extracts for disinfection have become a focus of research. Existing natural plant extracts such as citrus peel extract, rosemary extract, and tea polyphenol extract are gentle on the human body, non-irritating, and have no toxic side effects, but their antibacterial ability is insufficient, and they also have weak detergency. Therefore, it is essential to develop environmentally friendly detergents that combine multiple plant extracts to synergistically enhance both antibacterial and anti-inflammatory properties while also improving detergency. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing an antibacterial dishwashing liquid containing plant extracts and its preparation method. The dishwashing liquid contains Commelina communis extract, Ulmus pumila extract, and thyme extract, which work synergistically to not only enhance the antibacterial and bactericidal abilities of the dishwashing liquid and impart a pleasant fragrance, but also increase its cleaning power. It is harmless to the human body and safe to use.

[0005] The first object of the present invention is to provide an antibacterial detergent containing plant extracts, which is made of the following components in weight percentage: 0.1-4% Commelina communis extract, 0.1-4% Thyme extract, 0.1-4% Ulva prostrata extract, 10-24% anionic surfactant, 1-3% nonionic surfactant, 0.05-0.2% chelating agent, 1-5% solubilizer, 1-2% thickener, 0.2-0.6% preservative, and the balance being water.

[0006] Preferably, the preparation method of the dayflower extract and thyme extract includes the following steps:

[0007] The dayflower or thyme was crushed, ethanol was added as the extraction solvent, and ultrasonic extraction was performed. The first extract was obtained by filtration. Then, ethanol was added again as the extraction solvent, ultrasonic extraction was performed, and the second extract was obtained by filtration. The two extracts were combined, concentrated and dried sequentially to obtain the dayflower or thyme extract.

[0008] Preferably, during the first extraction, the mass ratio of dayflower or thyme to ethanol is 1:8 to 12;

[0009] During the second extraction, the mass ratio of dayflower or thyme to ethanol is 1:6 to 8;

[0010] The ethanol concentration was 50-75% by mass, and the ultrasonic extraction time was 2-4 hours each time.

[0011] Preferably, the preparation method of the *Vaccaria segetalis* extract includes the following steps:

[0012] The blackberry was crushed, water was added as an extractant, and the mixture was decocted. The decoction was filtered to obtain the first decoction. Then water was added again as an extractant, and the mixture was decocted. The decoction was filtered to obtain the second decoction. The two decoctions were combined, concentrated, and dried sequentially to obtain the blackberry extract.

[0013] Preferably, during the first decoction process, the mass ratio of black berries to water is 1:7 to 10;

[0014] During the second decoction process, the mass ratio of black berries to water is 1:3 to 6;

[0015] Each simmering time is 1 to 2 hours.

[0016] Preferably, the anionic surfactant is sodium dodecylbenzenesulfonate and sodium fatty alcohol polyoxyethylene ether sulfate, and the mass ratio of sodium dodecylbenzenesulfonate to sodium fatty alcohol polyoxyethylene ether sulfate is 1-3:4-9.

[0017] Preferably, the nonionic surfactant is alkylphenol polyoxyethylene ether-10, the chelating agent is ethylenediaminetetraacetic acid, the solubilizer is triethanolamine, the thickener is sodium chloride, and the preservative is sodium benzoate.

[0018] A second objective of this invention is to provide a method for preparing the above-mentioned antibacterial detergent containing plant extracts, comprising the following steps:

[0019] S1. Weigh each component according to the formula;

[0020] S2. Heat the water, keep it warm, add anionic surfactant and stir until dissolved, then add nonionic surfactant and stir until completely dissolved. Cool down to below 40°C and add Commelina communis extract, thyme extract, purslane extract, chelating agent, solubilizer and preservative in sequence. Stir evenly and adjust the pH. Cool to room temperature and add thickener and stir evenly to obtain antibacterial detergent.

[0021] Preferably, in S2, the heating temperature is 60-65°C, and the pH is adjusted to 9-10.5.

[0022] The pharmacological activities of each traditional Chinese medicine raw material in this invention are as follows:

[0023] Commelina communis: Cold in nature, sweet and bland in taste, it enters the lung, stomach, and small intestine meridians. It has the effects of clearing heat and purging fire, detoxifying, and promoting diuresis and reducing swelling. It is used to treat colds with fever, feverish thirst, sore throat, edema with scanty urine, painful urination due to heat, and carbuncles and boils. Commelina communis is a commonly used traditional Chinese medicine for clearing heat and detoxifying. Its extracts contain various natural anti-inflammatory components that can eliminate various pathogenic bacteria and viruses.

[0024] Thyme is pungent and slightly warm. Thyme extract contains a variety of chemical components, mainly volatile oils (or aromatic oils), polyphenols, and other components. Among them, thyme polyphenols have significant physiological and pharmacological activities, including antibacterial, antioxidant, anticancer, antitumor, and cardiovascular disease prevention effects.

[0025] *Vaccaria segetalis*: Bitter and sour in taste, cold in nature, and enters the heart, liver, and stomach meridians. It clears heat and promotes diuresis, detoxifies, and reduces swelling. *Vaccaria segetalis* extract contains active ingredients such as flavonoids and polyphenols. It has strong antibacterial effects against *Staphylococcus aureus*, *Staphylococcus epidermidis*, and Gram-negative bacteria such as *Escherichia coli*, *Pseudomonas aeruginosa*, *Proteus*, *Salmonella typhi*, and *Shigella dysenteriae*.

[0026] Compared with the prior art, the advantages of this invention are as follows:

[0027] The antibacterial dishwashing liquid provided by this invention utilizes the synergistic effect of plant extracts to achieve excellent cleaning power while also providing antibacterial and anti-inflammatory properties. It is harmless to the human body and safe to use. Furthermore, the added plant extracts are aromatic compounds, giving the dishwashing liquid a fresh fragrance.

[0028] The *Commelina communis* extract used in this invention contains a variety of natural anti-inflammatory components such as rutin, isovitexin, isoharringtonin, and p-hydroxycinnamic acid, which can eliminate various pathogenic bacteria and viruses. The thyme extract contains active ingredients such as thymol, carvacrol, p-cymene, and o-cymene, which have antibacterial effects. Thyme has a pleasant and long-lasting fragrance; adding it to dishwashing liquid not only enhances its antibacterial and germicidal capabilities but also imparts a pleasant aroma. The *Caulis Chamaejasminoides* extract contains chlorogenic acid, rutin, and quercetin, which have strong antibacterial effects against Staphylococcus aureus, Staphylococcus epidermidis, and Gram-negative bacteria such as Escherichia coli, Pseudomonas aeruginosa, Proteus, Salmonella typhi, and Shigella dysenteriae. The *Commelina communis* extract, thyme extract, and *Caulis Chamaejasminoides* extract work synergistically in the dishwashing liquid to achieve antibacterial and anti-inflammatory effects, eliminate various pathogenic bacteria and viruses, provide a fragrant aroma, and increase cleaning power. Detailed Implementation

[0029] The technical solutions of the present invention will be clearly and completely described below with reference to the data in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0030] Unless otherwise specified, the raw materials used in the following embodiments are all conventional raw materials, and the experimental methods used are all conventional methods unless otherwise specified.

[0031] Example 1

[0032] An antibacterial detergent containing plant extracts is made from the following components by weight percentage: Commelina communis extract 2%, Thyme extract 2%, Ulva prostrata extract 2%, Sodium dodecylbenzenesulfonate 4.9%, Sodium fatty alcohol polyoxyethylene ether sulfate 14%, Alkylphenol polyoxyethylene ether-10 2%, Ethylenediaminetetraacetic acid 0.1%, Triethanolamine 4%, Sodium chloride 1.5%, Sodium benzoate 0.5%, and Deionized water 67%.

[0033] The preparation method of Commelina communis extract includes the following steps:

[0034] The dayflower was crushed and 75% ethanol was added as an extractant. The mass ratio of dayflower to ethanol was 1:10. The extraction was performed by ultrasonic extraction for 3 hours and then filtered to obtain the first extract. Then, ethanol was added again as an extractant. The amount of ethanol was 7 times the total mass of the dayflower residue. The extraction was performed by ultrasonic extraction for 3 hours and then filtered to obtain the second extract. The two extracts were combined, concentrated sequentially, and dried at 80°C to constant weight to obtain the dayflower extract.

[0035] The preparation method of thyme extract includes the following steps:

[0036] Thyme was pulverized, and 75% ethanol was added as the extraction solvent at a mass ratio of 1:12. The mixture was ultrasonically extracted for 4 hours and filtered to obtain the first extract. Then, ethanol was added again as the extraction solvent, with the amount of ethanol being 8 times the total mass of the thyme residue. The mixture was ultrasonically extracted for 4 hours and filtered to obtain the second extract. The two extracts were combined, concentrated sequentially, and dried at 80°C to constant weight to obtain the thyme extract.

[0037] The preparation method of *Vaccaria segetalis* extract includes the following steps:

[0038] The *Cymbidium goeringii* was crushed and water was added as an extractant at a mass ratio of 1:10. The mixture was decocted for 2 hours and filtered to obtain the first extract. Then, water was added again as an extractant, with the amount of water being 5 times the total mass of the *Cymbidium goeringii* residue. The mixture was ultrasonically extracted for 2 hours and filtered to obtain the second extract. The two decoctions were combined, concentrated sequentially, and dried at 80°C to constant weight to obtain the *Cymbidium goeringii* extract.

[0039] The preparation method of the above-mentioned antibacterial detergent includes the following steps:

[0040] S1. Weigh out the following ingredients according to the formula: Commelina communis extract 2%, Thyme extract 2%, Ulva prostrata extract 2%, Sodium dodecylbenzenesulfonate 4.9%, Sodium fatty alcohol polyoxyethylene ether sulfate 14%, Alkylphenol polyoxyethylene ether-10 2%, Ethylenediaminetetraacetic acid 0.1%, Triethanolamine 4%, Sodium chloride 1.5%, Sodium benzoate 0.5%, Deionized water 67%;

[0041] S2. Heat water to 60°C, keep warm, add anionic surfactant sodium dodecylbenzenesulfonate and sodium fatty alcohol polyoxyethylene ether sulfate, and stir until dissolved. Then add alkylphenol polyoxyethylene ether-10 and stir until completely dissolved. Cool down to below 40°C and add Commelina communis extract, thyme extract, purslane extract, EDTA, triethanolamine, and sodium benzoate in sequence. Stir evenly and adjust the pH to 9.5. Cool to room temperature and add sodium chloride and stir evenly to obtain antibacterial detergent.

[0042] Example 2

[0043] An antibacterial detergent containing plant extracts is made from the following components by weight percentage: 1% Commelina communis extract, 2% Thyme extract, 3% Ulva prostrata extract, 4.9% Sodium dodecylbenzenesulfonate, 14% Sodium fatty alcohol polyoxyethylene ether sulfate, 2% Alkylphenol polyoxyethylene ether-10, 0.1% EDTA, 4% Triethanolamine, 1.5% Sodium chloride, 0.5% Sodium benzoate, and 67% Deionized water.

[0044] The preparation method of Commelina communis extract includes the following steps:

[0045] The dayflower was crushed and 75% ethanol was added as the extraction solvent. The mass ratio of dayflower to ethanol was 1:12. The extraction was performed by ultrasonic extraction for 4 hours and then filtered to obtain the first extract. Then, ethanol was added again as the extraction solvent. The amount of ethanol was 6 times the total mass of the dayflower residue. The extraction was performed by ultrasonic extraction for 2 hours and then filtered to obtain the second extract. The two extracts were combined, concentrated sequentially, and dried at 80°C to constant weight to obtain the dayflower extract.

[0046] The preparation method of thyme extract includes the following steps:

[0047] Thyme was pulverized, and 75% ethanol was added as the extraction solvent at a mass ratio of 1:10. The mixture was ultrasonically extracted for 3 hours and filtered to obtain the first extract. Then, ethanol was added again as the extraction solvent, with the amount of ethanol being 7 times the total mass of the thyme residue. The mixture was ultrasonically extracted for 2 hours and filtered to obtain the second extract. The two extracts were combined, concentrated sequentially, and dried at 80°C to constant weight to obtain the thyme extract.

[0048] The preparation method of *Vaccaria segetalis* extract includes the following steps:

[0049] The *Cymbidium goeringii* was crushed, and water was added as the extraction solvent. The mass ratio of *Cymbidium goeringii* to ethanol was 1:7. The mixture was decocted for 2 hours and filtered to obtain the first extract. Then, water was added again as the extraction solvent, with the amount of water being 6 times the total mass of the *Cymbidium goeringii* residue. The mixture was ultrasonically extracted for 2 hours and filtered to obtain the second extract. The two decoctions were combined, concentrated sequentially, and dried at 80°C to constant weight to obtain the *Cymbidium goeringii* extract.

[0050] The preparation method of the above-mentioned antibacterial detergent includes the following steps:

[0051] S1. Weigh out the following ingredients according to the formula: 1% Commelina communis extract, 2% Thyme extract, 3% Ulva prostrata extract, 4.9% Sodium dodecylbenzenesulfonate, 14% Sodium fatty alcohol polyoxyethylene ether sulfate, 2% Alkylphenol polyoxyethylene ether-10, 0.1% EDTA, 4% Triethanolamine, 1.5% Sodium chloride, 0.5% Sodium benzoate, and 67% Deionized water.

[0052] S2. Heat water to 65°C, keep warm, add anionic surfactant sodium dodecylbenzenesulfonate and sodium fatty alcohol polyoxyethylene ether sulfate, and stir until dissolved. Then add alkylphenol polyoxyethylene ether-10 and stir until completely dissolved. Cool down to below 40°C and add Commelina communis extract, thyme extract, purslane extract, EDTA, triethanolamine, and sodium benzoate in sequence. Stir evenly and adjust the pH to 10. Cool to room temperature and add sodium chloride and stir evenly to obtain antibacterial detergent.

[0053] Example 3

[0054] An antibacterial detergent containing plant extracts is made from the following components by weight percentage: Commelina communis extract 3%, Thyme extract 2%, Ulva prostrata extract 1%, Sodium dodecylbenzenesulfonate 4.9%, Sodium fatty alcohol polyoxyethylene ether sulfate 14%, Alkylphenol polyoxyethylene ether-10 2%, Ethylenediaminetetraacetic acid 0.1%, Triethanolamine 4%, Sodium chloride 1.5%, Sodium benzoate 0.5%, and Deionized water 67%.

[0055] The preparation methods for Commelina communis extract, thyme extract and purslane extract are the same as in Example 1.

[0056] The preparation method of the above-mentioned antibacterial detergent includes the following steps:

[0057] S1. Weigh out the following ingredients according to the formula: Commelina communis extract 3%, Thyme extract 2%, Ulva prostrata extract 1%, Sodium dodecylbenzenesulfonate 4.9%, Sodium fatty alcohol polyoxyethylene ether sulfate 14%, Alkylphenol polyoxyethylene ether-10 2%, Ethylenediaminetetraacetic acid 0.1%, Triethanolamine 4%, Sodium chloride 1.5%, Sodium benzoate 0.5%, Deionized water 67%;

[0058] S2. Heat water to 60°C, keep warm, add anionic surfactant sodium dodecylbenzenesulfonate and sodium fatty alcohol polyoxyethylene ether sulfate, and stir until dissolved. Then add alkylphenol polyoxyethylene ether-10 and stir until completely dissolved. Cool down to below 40°C and add Commelina communis extract, thyme extract, purslane extract, EDTA, triethanolamine, and sodium benzoate in sequence. Stir evenly and adjust the pH to 10.5. Cool to room temperature and add sodium chloride and stir evenly to obtain antibacterial detergent.

[0059] Comparative Example 1

[0060] This comparative example provides an antibacterial detergent, which is the same as that in Example 1, except that it does not contain dayflower extract, thyme extract, or purslane extract.

[0061] Comparative Example 2

[0062] This comparative example provides an antibacterial detergent, which is the same as that in Example 1, except that the amount of dayflower extract added is 6%, and no thyme extract or purslane extract is added.

[0063] Comparative Example 3

[0064] This comparative example provides an antibacterial detergent, which is the same as Example 1, except that: the amount of thyme extract added is 6%, and no dayflower extract or purslane extract is added.

[0065] Comparative Example 4

[0066] This comparative example provides an antibacterial detergent, which is the same as that in Example 1, except that: the amount of *Corydalis yanhusuo* extract added is 6%, and no *Commelina communis* extract or thyme extract is added.

[0067] Comparative Example 5

[0068] This comparative example provides an antibacterial detergent, which is the same as that in Example 1, except that the amount of Commelina communis extract and thyme extract added is 3% each, and no Ulva arvense extract is added.

[0069] Comparative Example 6

[0070] This comparative example provides an antibacterial detergent, which is the same as that in Example 1, except that the amount of each of the extracts of *Corydalis yanhusuo* and *Thymus chinensis* is 3%, and no *Commelina communis* extract is added.

[0071] Comparative Example 7

[0072] This comparative example provides an antibacterial detergent, which is the same as that in Example 1, except that the amount of dayflower extract and purslane extract added is 3% each, and no thyme extract is added.

[0073] According to GB9985-2000 "Detergents for Hand Washing Dishwashing", the detergency of the antibacterial detergents in Example 1 and Comparative Examples 1-7 was tested, and the results are shown in Table 1.

[0074] Table 1 Performance of Antibacterial Dishwashing Liquid in Hand Washing Dishware

[0075]

[0076]

[0077] As can be seen from Table 1, adding plant extracts can improve the antibacterial ability of dishwashing liquid. Among them, adding 2% each of Commelina communis extract, thyme extract and purslane extract (Example 1) resulted in the dishwashing liquid with the lowest colony count and the strongest antibacterial ability.

[0078] According to GB 14930.1-2015 "National Food Safety Standard for Detergents", the detergency of the antibacterial detergents in Example 1 and Comparative Examples 1-7 was tested, and the results are shown in Table 1.

[0079] Table 2. Food performance effects of antibacterial detergents

[0080]

[0081] As can be seen from Table 2, adding plant extracts can greatly improve the antibacterial ability of dishwashing liquid. Among them, the addition of 2% each of Commelina communis extract, thyme extract and purslane extract resulted in the dishwashing liquid with the lowest colony count and the strongest antibacterial ability.

[0082] In summary, the extracts of Commelina communis, thyme, and Ulva prostrata used in this invention have a synergistic antibacterial effect, good cleaning effect, no harm to the human body, and are safe to use. Furthermore, the added plant extracts are aromatic compounds, giving the detergent a fresh fragrance. The antibacterial flavonoids in Commelina communis extract include rutin, isovitexin, and isopropionin, while the antibacterial flavonoids in Ulva prostrata extract include rutin and quercetin; these two components differ. Meanwhile, the antibacterial components of thyme extract are mainly polyphenolic compounds. Therefore, the three extracts have a synergistic effect in antibacterial activity. This antibacterial detergent complies with both GB9985-2000 "Detergent for Hand Washing Dishwashing" and GB 14930.1-2015 "National Food Safety Standard for Detergents." This detergent can be used not only for washing tableware but also for washing fruits, vegetables, and other foods.

[0083] It should be noted that when numerical ranges are involved in this invention, it should be understood that both endpoints of each numerical range and any value between the two endpoints can be selected. Since the steps and methods used are the same as in the embodiments, preferred embodiments are described here to avoid redundancy. Although preferred embodiments of the invention have been described, those skilled in the art, once they understand the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of this invention.

[0084] Obviously, those skilled in the art can make various modifications and variations to this invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

Claims

1. An antibacterial detergent containing plant extracts, characterized in that, It is made from the following components by weight percentage: 0.1-4% Commelina communis extract, 0.1-4% Thyme extract, 0.1-4% Ulva prostrata extract, 10-24% anionic surfactant, 1-3% nonionic surfactant, 0.05-0.2% chelating agent, 1-5% solubilizer, 1-2% thickener, 0.2-0.6% preservative, and the balance being water.

2. The antibacterial detergent containing plant extracts according to claim 1, characterized in that, The preparation method of the dayflower extract or thyme extract includes the following steps: Powdered dayflower or thyme were added to ethanol as an extractant and extracted by ultrasonication. The first extract was obtained by filtration. Then, ethanol was added again as an extractant and extracted by ultrasonication. The second extract was obtained by filtration. The two extracts were combined, concentrated and dried sequentially to obtain dayflower extract or thyme extract.

3. The antibacterial detergent containing plant extracts according to claim 2, characterized in that, During the first extraction, the mass ratio of dayflower or thyme to ethanol was 1:8 to 12; During the second extraction, the mass ratio of dayflower or thyme to ethanol is 1:6 to 8; The ethanol concentration is 50-75% by mass, and the ultrasonic extraction time is 2-4 hours each time.

4. The antibacterial detergent containing plant extracts according to claim 1, characterized in that, The preparation method of the *Vaccaria segetalis* extract includes the following steps: The blackberry was crushed, water was added as an extractant, and the mixture was decocted. The decoction was filtered to obtain the first decoction. Then water was added again as an extractant, and the mixture was decocted. The decoction was filtered to obtain the second decoction. The two decoctions were combined, concentrated, and dried sequentially to obtain the blackberry extract.

5. The antibacterial detergent containing plant extracts according to claim 4, characterized in that, During the first decoction process, the mass ratio of black berries to water was 1:7 to 10; During the second decoction process, the mass ratio of black berries to water is 1:3 to 6; Each simmering time is 1 to 2 hours.

6. The antibacterial detergent containing plant extracts according to claim 1, characterized in that, The anionic surfactant is sodium dodecylbenzenesulfonate and sodium fatty alcohol polyoxyethylene ether sulfate, with a mass ratio of sodium dodecylbenzenesulfonate to sodium fatty alcohol polyoxyethylene ether sulfate of 1-3:4-9.

7. The antibacterial detergent containing plant extracts according to claim 1, characterized in that, The nonionic surfactant is alkylphenol polyoxyethylene ether-10, the chelating agent is ethylenediaminetetraacetic acid, the solubilizer is triethanolamine, the thickener is sodium chloride, and the preservative is sodium benzoate.

8. A method for preparing an antibacterial detergent containing plant extracts as described in any one of claims 1 to 7, characterized in that, Includes the following steps: S1. Weigh out each component according to the formula; S2. Heat the water, keep it warm, add anionic surfactant and stir until dissolved, then add nonionic surfactant and stir until completely dissolved. Cool down to below 40°C and add Commelina communis extract, thyme extract, purslane extract, chelating agent, solubilizer and preservative in sequence. Stir evenly and adjust the pH. Cool to room temperature and add thickener and stir evenly to obtain antibacterial detergent.

9. The method for preparing the antibacterial detergent according to claim 8, characterized in that, In S2, the heating temperature is 60-65℃, and the pH is adjusted to 9-10.5.

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