CN111676098A - Natural plant-derived antibacterial fruit and vegetable cleaning agent and preparation method thereof - Google Patents
Natural plant-derived antibacterial fruit and vegetable cleaning agent and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
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- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/10—Carbonates ; Bicarbonates
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2006—Monohydric alcohols
- C11D3/201—Monohydric alcohols linear
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
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- C11D3/2037—Terpenes
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2065—Polyhydric alcohols
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2086—Hydroxy carboxylic acids-salts thereof
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
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- C11D3/2096—Heterocyclic compounds
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/22—Carbohydrates or derivatives thereof
- C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
- C11D3/227—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin with nitrogen-containing groups
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
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- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
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- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
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Abstract
The invention provides an antibacterial fruit and vegetable cleaning agent from natural plants and a preparation method thereof, wherein the fruit and vegetable cleaning agent is prepared from the following raw materials in percentage by mass: 2% -6% of terpinene-4-ol, 1.8% -3% of eucalyptol, 15% -35% of ethanol, 5% -10% of glycerol, 1% -3% of chitosan, 10% -20% of a nonionic surfactant, 2% -5% of an anionic surfactant, 9% -28% of a buffering agent and the balance of water. The invention not only can efficiently remove pesticide residues on the surfaces of fruits and vegetables, but also has good antibacterial and dewaxing effects, is safe and nontoxic, and has no pollution to the environment.
Description
Technical Field
The invention relates to the technical field of household daily chemical cleaning agents, and particularly relates to an antibacterial fruit and vegetable cleaning agent from natural plants and a preparation method thereof.
Background
Fruits and vegetables are closely related to the life of people, but a large amount of fertilizers and pesticides cannot be used in the growth process of fruits and vegetables. The pesticide is used too much, the picking distance and the pesticide application interval time are short, and a large amount of pesticide residues are left on the surfaces of the fruits and the vegetables. Researches show that the human body is poisoned by frequent eating of fruits and vegetables with excessive pesticide residues, the long-time accumulation of toxins in the body can cause canceration and even death, and meanwhile, a large amount of toxic pesticides enter the environment and pose serious threats to the ecological environment.
The method for removing the pesticide residues on the fruits and the vegetables is mainly divided into a chemical cleaning method and a biological degradation method. The biodegradation method mainly utilizes biological enzyme to produce enzyme degradation effect on pesticide, and has good safety, no pollution to environment, strong selectivity to substrate pesticide and no wide application. The commonly used pesticide residue removal method is a chemical cleaning method, and is divided into oxidative decomposition and alkaline hydrolysis according to different principles, wherein the oxidative decomposition is most efficient, but partial pesticides can generate intermediate metabolites with stronger toxicity in the oxidative decomposition process, so that secondary pollution is easily caused; the alkaline hydrolysis method utilizes the principle that pesticides and alkaline cleaning agents are easy to hydrolyze, can quickly and efficiently remove pesticide residues on the surfaces of fruits and vegetables, has cheap raw materials and little environmental pollution, and is very suitable for the pesticide treatment of household fruits and vegetables.
The commercially available fruit and vegetable cleaning agent has various types, can effectively remove pesticide residues and soil dirt on the surfaces of fruits and vegetables, can kill pathogenic bacteria on the surfaces of the fruits and vegetables, does not have great damage to skin, and does not exist in the commercially available products at present. Therefore, on the premise of ensuring that the fruit and vegetable cleaning agent can efficiently remove pesticide residues and has antibacterial performance and no great damage to human bodies, the problem that how to research and develop a novel safe, nontoxic, green and environment-friendly fruit and vegetable cleaning agent is urgently needed to be solved.
Disclosure of Invention
Based on at least one of the technical problems, the invention develops the fruit and vegetable cleaning agent through a large number of researches and experiments aiming at the problems of the existing cleaning agent, not only can efficiently remove pesticide residues on the surfaces of fruits and vegetables, but also has good bacteriostatic and dewaxing effects, and the skin after hand washing is not rough, safe and nontoxic and has no pollution to the environment.
In view of the above, the invention provides an antibacterial fruit and vegetable cleaning agent from natural plants, which is prepared from the following raw materials in percentage by mass:
2-6% of terpinene-4-ol, 1.8-1-3% of cineole, 15-35% of ethanol, 5-10% of glycerol, 1-3% of chitosan, 10-20% of a non-ionic surfactant, 2-5% of an anionic surfactant, 9-28% of a buffering agent and the balance of water.
Preferably, the raw materials are prepared according to the mass percentage: 5% of terpinene-4-alcohol, 1.8-cineole 2%, 30% of ethanol, 8% of glycerol, 1% of chitosan, 15% of a non-ionic surfactant, 2% of an anionic surfactant, 18% of a buffering agent and the balance of water.
In the formula, terpinen-4-ol and 1.8-cineole are main components of Melaleuca alternifolia essential oil and are natural extracts of Australian tea trees. Terpinene-4-ol has various biological activities, has pleasant fragrance, has a killing effect on various bacteria and fungi, and is widely applied to the fields of daily chemicals, medicines, foods and the like; 1.8-cineole is an oil-soluble spice, is slightly soluble in water, is easily soluble in organic solvents such as ethanol, propylene glycol, glycerol and the like, is widely applied to oral hygiene materials, has the functions of relieving fever, diminishing inflammation, resisting bacteria, preventing corrosion and easing pain, and is a common spice and preservative. The chitosan is an efficient chelate medium, has remarkable adsorption capacity, can adsorb heavy metals in fruits and vegetables, and can also destroy bacterial cell membranes to leak cell contents, thereby achieving the antibacterial and bactericidal effects. The glycerol is commonly called as glycerin, has a certain protection effect on human skin, and effectively avoids the damage of the alkaline cleaning agent to the skin. The surfactants used in the formula are all green and environment-friendly surfactants, are safe and easy to degrade, and have no pollution to the environment.
Further, the nonionic surfactant is one or two of tween 80, alkyl glucoside APG0810, alkyl glucoside APG0814, alkyl glucoside APG1214, fatty alcohol-polyoxyethylene ether AEO7, fatty alcohol-polyoxyethylene ether AEO9 and sucrose ester.
Preferably, the nonionic surfactant comprises tween 80 and the alkyl glucoside APG0810, and accounts for 15% of the weight of the formula, wherein the tween 80 accounts for 10% and the alkyl glucoside APG0810 accounts for 5%.
Further, the anionic surfactant is one or two of fatty alcohol-polyoxyethylene ether sodium sulfate, fatty alcohol-polyoxyethylene ether carboxylic acid sodium, lauryl sodium sulfate, alpha-alkenyl sulfonate and alkyl sodium sulfonate.
Preferably, the non-anionic surfactant is an alpha-olefin sulfonate, which accounts for 2% of the formulation.
Further, the buffering agent consists of baking soda, sodium citrate and citric acid, wherein the baking soda accounts for 5-10% of the cleaning agent, the sodium citrate accounts for 2-10% of the cleaning agent, and the citric acid accounts for 2-8% of the cleaning agent.
Preferably, the buffer is 18% by weight of the formulation, with 6% baking soda, 6% citric acid and 6% sodium citrate.
The buffering agent is composed of sodium citrate, citric acid and baking soda, and the pH value of the product is adjusted to be alkalescent to form a buffering solution, so that the product is more stable. The food-grade baking soda is safe and nontoxic, the main component of the food-grade baking soda is sodium bicarbonate which is easy to electrolyze in water, so that the solution presents alkalescence, and most of pesticides present acidity, thereby being capable of accelerating the removal of the pesticides attached to fruits and vegetables; in addition, the electrolyzed sodium ions are positively charged and can be combined with the negatively charged chloride ions in the tap water to form sodium chloride to form salt, so that the problem of chlorine toxicity in the tap water is solved.
According to a second aspect of the present invention, there is provided a method of preparing a cleaning agent, comprising the steps of:
(1) adding a nonionic surfactant and an anionic surfactant into ethanol, and stirring and mixing uniformly;
(2) adding terpinen-4-ol, 1.8-cineole and glycerol into the mixed solution obtained in the step (1), and uniformly stirring;
(3) uniformly mixing a buffering agent with chitosan and water according to a corresponding proportion, and keeping the pH value of the mixture at 7.2-8.0 to form a buffering system;
(4) and (3) finally, uniformly stirring and mixing the solution in the step (2) and the solution in the step (3) to obtain the product.
The nonionic surfactant and the anionic surfactant are added into the ethanol firstly, so that the problem that a lot of clustered gel clusters are generated when the surfactants are contacted with water firstly is avoided, and the product is required to be stirred for a long time and is time-consuming and labor-consuming to form a uniform and stable solution; if the surfactant is firstly contacted with the solvent, the surfactant can be uniformly dispersed in the solvent and then contacted with water, so that the condition can be avoided, and a uniform and stable product can be formed quickly; adding terpinen-4-ol, 1.8-cineole and glycerol into ethanol in which a surfactant is dissolved, because terpinen-4-ol and 1.8-cineole are oil-soluble, if the terpinen-4-ol and the 1.8-cineole are directly mixed with water, the mixture floats on the surface of the solution, and at the moment, the surfactant and the solvent are added into the water, and the mixture needs to be stirred for a long time to be prepared into a uniform and stable product; if they are first mixed with surfactants and solvents, they can be rapidly dissolved in water to form a uniform and stable product.
Through the technical scheme, the invention provides an antibacterial fruit and vegetable cleaning agent from natural plants and a preparation method thereof, and the antibacterial fruit and vegetable cleaning agent has the following advantages:
the terpinen-4-ol and the 1.8-cineole used in the invention are natural plant preservatives, and compared with chemical preservatives, the natural plant preservatives are safe, nontoxic and beneficial to human health; the raw materials have a synergistic effect, so that the fruit and vegetable composite has strong adsorption selectivity and antibacterial effect, and can effectively inhibit bacteria on the surfaces of fruits and vegetables; the mild and stable alkaline environment and the green and safe surfactant combination can effectively remove pesticide residues and soil dirt on the surfaces of fruits and vegetables, and a certain amount of glycerol is added in the formula, so that the skin can be moisturized, and the skin roughness after hand washing is avoided.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be described in further detail with reference to specific embodiments. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Example 1
The invention provides an antibacterial fruit and vegetable cleaning agent from natural plants, which is prepared from the following raw materials in percentage by mass:
2-6% of terpinene-4-ol, 1.8-1-3% of cineole, 15-35% of ethanol, 5-10% of glycerol, 1-3% of chitosan, 10-20% of a non-ionic surfactant, 2-5% of an anionic surfactant, 9-28% of a buffering agent and the balance of water.
The nonionic surfactant is Tween 80, alkyl glucoside APG0810, alkyl glucoside APG0814, alkyl glucoside APG1214, fatty alcohol polyoxyethylene ether AEO7Fatty alcohol polyoxyethylene ether AEO9And sucrose ester.
The anionic surfactant is one or two of fatty alcohol-polyoxyethylene ether sodium sulfate, fatty alcohol-polyoxyethylene ether sodium carboxylate, sodium dodecyl sulfate, alpha-olefin sulfonate and alkyl sodium sulfonate. The buffer agent consists of baking soda, sodium citrate and citric acid, wherein the baking soda accounts for 5-10% of the mass of the cleaning agent, the sodium citrate accounts for 2-10% of the mass of the cleaning agent, and the citric acid accounts for 2-8% of the mass of the cleaning agent.
The preparation of the cleaning agent comprises the following steps:
(1) adding a nonionic surfactant and an anionic surfactant into ethanol, and stirring and mixing uniformly;
(2) adding terpinen-4-ol, 1.8-cineole and glycerol into the mixed solution obtained in the step (1), and uniformly stirring;
(3) uniformly mixing a buffering agent with chitosan and water according to a corresponding proportion, and keeping the pH value of the mixture at 7.2-8.0 to form a buffering system;
(4) and (3) finally, uniformly stirring and mixing the solution in the step (2) and the solution in the step (3) to obtain the product.
Example 2
The invention provides an antibacterial fruit and vegetable cleaning agent from natural plants, which is prepared from the following raw materials in percentage by mass:
5% of terpinen-4-ol, 2% of 1.8-cineole, 30% of ethanol, 8% of glycerol, 1% of chitosan, 15% of a non-ionic surfactant (wherein the content of tween 80 is 10%, and the content of alkyl glucoside 0810 is 5%), 2% of an anionic surfactant alpha-alkenyl sulfonate, 18% of a buffering agent (wherein the content of sodium bicarbonate is 6%, the content of sodium citrate is 6%, and the content of citric acid is 6%), and the balance of water.
The preparation of the cleaning agent comprises the following steps:
(1) adding the nonionic surfactant and the anionic surfactant into ethanol according to the optimal proportion, and stirring and mixing uniformly;
(2) adding terpinen-4-ol, 1.8-cineole and glycerol into the mixed solution obtained in the step (1), and uniformly stirring;
(3) uniformly mixing a buffering agent with chitosan and water according to a corresponding proportion, and keeping the pH value of the mixture at 7.6 to form a buffering system;
(4) and (3) finally, uniformly stirring and mixing the solution in the step (2) and the solution in the step (3) to obtain the product.
Example 3
The invention provides an antibacterial fruit and vegetable cleaning agent from natural plants, which is prepared from the following raw materials in percentage by mass:
5% of terpinene-4-alcohol, 1.8-cineole 2%, 30% of ethanol, 8% of glycerol, 1% of chitosan and 16% of nonionic surfactant (wherein fatty alcohol polyoxyethylene ether AEO)98 percent of sodium alcohol ether sulfate, 8 percent of alkyl glucoside APG0810 percent of anionic surfactant sodium alcohol ether sulfate, 18 percent of buffer (wherein 6 percent of sodium bicarbonate, 6 percent of sodium citrate and 6 percent of citric acid) and the balance of water.
The preparation of the cleaning agent comprises the following steps:
(1) adding the nonionic surfactant and the anionic surfactant into ethanol according to the optimal proportion, and stirring and mixing uniformly;
(2) adding terpinen-4-ol, 1.8-cineole and glycerol into the mixed solution obtained in the step (1), and uniformly stirring;
(3) uniformly mixing a buffering agent with chitosan and water according to a corresponding proportion, and keeping the pH value of the mixture at 7.6 to form a buffering system;
(4) and (3) finally, uniformly stirring and mixing the solution in the step (2) and the solution in the step (3) to obtain the product.
Example 4
The invention provides an antibacterial fruit and vegetable cleaning agent from natural plants, which is prepared from the following raw materials in percentage by mass:
terpinene-4-ol 6%, eucalyptol 1.8-3%, ethanol 30%, glycerol 8%, chitosan 1%, and nonionic surfactant 15% (fatty alcohol polyoxyethylene ether AEO)78% of alkyl glucoside APG 0814%, 5% of anionic surfactant sodium dodecyl sulfate, 18% of buffer (wherein the sodium bicarbonate accounts for 6%, the sodium citrate accounts for 6% and the citric acid accounts for 6%), and the balance of water.
The preparation of the cleaning agent comprises the following steps:
(1) adding the nonionic surfactant and the anionic surfactant into ethanol according to the optimal proportion, and stirring and mixing uniformly;
(2) adding terpinen-4-ol, 1.8-cineole and glycerol into the mixed solution obtained in the step (1), and uniformly stirring;
(3) uniformly mixing a buffering agent with chitosan and water according to a corresponding proportion, and keeping the pH value of the mixture at 7.6 to form a buffering system;
(4) and (3) finally, uniformly stirring and mixing the solution in the step (2) and the solution in the step (3) to obtain the product.
Comparative example 1
The invention provides an antibacterial fruit and vegetable cleaning agent from natural plants, which is prepared from the following raw materials in percentage by mass:
5% of terpinene-4-alcohol, 2% of 1.8-cineole, 30% of ethanol, 8% of glycerol, 1% of chitosan, 8% of Tween 80 serving as a non-ionic surfactant, 1% of sodium fatty alcohol polyoxyethylene ether carboxylate serving as an anionic surfactant, 18% of a buffering agent (wherein 6% of sodium bicarbonate, 6% of sodium citrate and 6% of citric acid) and the balance of water.
The preparation of the cleaning agent comprises the following steps:
(1) adding the nonionic surfactant and the anionic surfactant into ethanol according to the optimal proportion, and stirring and mixing uniformly;
(2) adding terpinen-4-ol, 1.8-cineole and glycerol into the mixed solution obtained in the step (1), and uniformly stirring;
(3) uniformly mixing a buffering agent with chitosan and water according to a corresponding proportion, and keeping the pH value of the mixture at 7.6 to form a buffering system;
(4) and (3) finally, uniformly stirring and mixing the solution in the step (2) and the solution in the step (3) to obtain the product.
Comparative example 2
The invention provides an antibacterial fruit and vegetable cleaning agent from natural plants, which is prepared from the following raw materials in percentage by mass:
5% of terpinen-4-ol, 2% of 1.8-cineole, 30% of ethanol, 8% of glycerol, 1% of chitosan, 6% of alkyl glucoside APG0810 serving as a non-ionic surfactant, 1% of sodium dodecyl sulfate serving as an anionic surfactant, 18% of a buffering agent (wherein 6% of baking soda, 6% of sodium citrate and 6% of citric acid) and the balance of water.
The preparation of the cleaning agent comprises the following steps:
(1) adding the nonionic surfactant and the anionic surfactant into ethanol according to the optimal proportion, and stirring and mixing uniformly;
(2) adding terpinen-4-ol, 1.8-cineole and glycerol into the mixed solution obtained in the step (1), and uniformly stirring;
(3) uniformly mixing a buffering agent with chitosan and water according to a corresponding proportion, and keeping the pH value of the mixture at 7.6 to form a buffering system;
(4) and (3) finally, uniformly stirring and mixing the solution in the step (2) and the solution in the step (3) to obtain the product.
Comparative example 3
The invention provides an antibacterial fruit and vegetable cleaning agent from natural plants, which is prepared from the following raw materials in percentage by mass:
terpinene-4-ol 1%, eucalyptol 1.8-0.2%, ethanol 10%, glycerol 8%, chitosan 1%, and nonionic surfactant 16% (wherein fatty alcohol polyoxyethylene ether AEO)98 percent of sodium alcohol ether sulfate, 8 percent of alkyl glucoside APG0810 percent of anionic surfactant sodium alcohol ether sulfate, 18 percent of buffer (wherein 6 percent of sodium bicarbonate, 6 percent of sodium citrate and 6 percent of citric acid) and the balance of water.
The preparation of the cleaning agent comprises the following steps:
(1) adding the nonionic surfactant and the anionic surfactant into ethanol according to the optimal proportion, and stirring and mixing uniformly;
(2) adding terpinen-4-ol, 1.8-cineole and glycerol into the mixed solution obtained in the step (1), and uniformly stirring;
(3) uniformly mixing a buffering agent with chitosan and water according to a corresponding proportion, and keeping the pH value of the mixture at 7.6 to form a buffering system;
(4) and (3) finally, uniformly stirring and mixing the solution in the step (2) and the solution in the step (3) to obtain the product.
Comparative example 4
The invention provides an antibacterial fruit and vegetable cleaning agent from natural plants, which is prepared from the following raw materials in percentage by mass:
terpinene-4-ol 6%, 1.8-cineole 3%, ethanol 30%, glycerol 1%, chitosan 1%, and nonionic surfactant 15% (fatty alcohol polyoxyethylene ether AEO)78% of alkyl glucoside APG 0814%, 5% of anionic surfactant sodium dodecyl sulfate, 18% of buffer (wherein the sodium bicarbonate accounts for 6%, the sodium citrate accounts for 6% and the citric acid accounts for 6%), and the balance of water.
The preparation of the cleaning agent comprises the following steps:
(1) adding the nonionic surfactant and the anionic surfactant into ethanol according to the optimal proportion, and stirring and mixing uniformly;
(2) adding terpinen-4-ol, 1.8-cineole and glycerol into the mixed solution obtained in the step (1), and uniformly stirring;
(3) uniformly mixing a buffering agent with chitosan and water according to a corresponding proportion, and keeping the pH value of the mixture at 7.6 to form a buffering system;
(4) and (3) finally, uniformly stirring and mixing the solution in the step (2) and the solution in the step (3) to obtain the product.
Example 5
Test for detergency or dewaxing ability
The newly unearthed carrots purchased in the vegetable market are diluted by tap water into a solution with the concentration of 0.1-0.5% by using the formula of the example 1 and the formula of the comparative example 1 for cleaning, and then are washed by the tap water for one time, and the cleaning rate statistics of 20 cleaned carrots are respectively tested to be compared with the results of a blank control group which is cleaned by only using the tap water, wherein the test results are as follows:
TABLE 1 statistics of soil and dirt cleaning efficiency
From the experimental results, it can be seen that the formulation within the scope of the authority protection has a significantly better cleaning efficiency on soil and dirt than comparative example 1 and the cleaning effect with pure clean water.
Example 6
Experiment for cleaning pesticide residue
The apples purchased in the vegetable market are washed by diluting with tap water into a solution with the concentration of 0.1-0.5% by using the formula of the example 2 and the formula of the comparative example 2, and then are washed by using the tap water once, and statistics of the pesticide residue on the surface of each washed 10 apples are respectively tested to be compared with the results of a blank control group which is only washed by using the tap water, wherein the test results are as follows:
TABLE 2 statistics of the results of pesticide residue cleaning
The experimental result shows that the formula in the authority protection range has a strong removing effect on pesticide residues on the surfaces of fruits and vegetables.
Example 7
Experiment of bacteriostatic effect
The pear purchased in the vegetable market, using the formulations of example 3 and comparative example 2, was washed with a solution diluted with tap water to a concentration of 0.1% to 0.5%, and then washed once with tap water, and after 10 pears were each washed, the surface of the pear was wiped with a sterilized cotton, and then cultured at 36 ℃ for 5 days, and statistics of the total colony count and the number of escherichia coli were recorded in comparison with the results of the blank control group washed with tap water only, and the test results were as follows:
TABLE 3 statistics of the results of the bactericidal and bacteriostatic effects on the surfaces of fruits and vegetables
The experimental result shows that the formula in the authority protection range has stronger sterilization and bacteriostasis effects on microorganisms on the surfaces of fruits and vegetables.
Example 8
Skin care effect test
Grapes commercially available from vegetables were manually washed with the formulations of example 4 and comparative example 4 diluted with tap water to a concentration of 0.1% to 0.5%, and then washed once with tap water. Each formula was looked for 10 people, washed 5 jin of grapes, and then asked about the feel of both hands after the hands were dry.
TABLE 4 statistics of results on moisturizing effect of hands
The experimental result shows that the formula in the authority protection range has the moisturizing effect on the skin, and the hands are not tight and rough after washing.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An antibacterial fruit and vegetable cleaning agent from natural plants is characterized by being prepared from the following raw materials in percentage by mass:
2% -6% of terpinene-4-ol, 1.8% -3% of eucalyptol, 15% -35% of ethanol, 5% -10% of glycerol, 1% -3% of chitosan, 10% -20% of a nonionic surfactant, 2% -5% of an anionic surfactant, 9% -28% of a buffering agent and the balance of water.
2. The natural plant-derived antibacterial fruit and vegetable cleaning agent as claimed in claim 1, wherein the nonionic surfactant is tween 80, alkyl glucoside APG0810, alkyl glucoside APG0814, alkyl glucoside APG1214, fatty alcohol-polyoxyethylene ether AEO7Fatty alcohol polyoxyethylene ether AEO9And sucrose ester.
3. The natural plant-derived antibacterial fruit and vegetable cleaning agent as claimed in claim 1, wherein the anionic surfactant is one or two of sodium fatty alcohol-polyoxyethylene ether sulfate, sodium fatty alcohol-polyoxyethylene ether carboxylate, sodium lauryl sulfate, alpha-alkenyl sulfonate and sodium alkyl sulfonate.
4. The natural plant-derived antibacterial fruit and vegetable cleaning agent as claimed in claim 1, wherein the buffering agent is composed of baking soda, sodium citrate and citric acid, wherein the baking soda is 5% -10%, the sodium citrate is 2% -10% and the citric acid is 2% -8% by mass of the cleaning agent.
5. A process for preparing a cleaning agent according to claims 1 to 4, comprising the steps of:
(1) adding the nonionic surfactant and the anionic surfactant into the ethanol, and stirring and mixing uniformly;
(2) adding the terpinen-4-ol, the 1, 8-cineole and the glycerol into the mixed solution obtained in the step (1), and uniformly stirring;
(3) uniformly mixing the buffer, the chitosan and the water to keep the pH value of the mixture at 7.2-8.0, so that the solution forms a buffer system;
(4) and (3) finally, uniformly stirring and mixing the solution in the step (2) and the solution in the step (3) to obtain the product.
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