CN109197899A - A kind of novel liquid nano silver antibacterial agent and its preparation method and application - Google Patents

A kind of novel liquid nano silver antibacterial agent and its preparation method and application Download PDF

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Publication number
CN109197899A
CN109197899A CN201710540901.3A CN201710540901A CN109197899A CN 109197899 A CN109197899 A CN 109197899A CN 201710540901 A CN201710540901 A CN 201710540901A CN 109197899 A CN109197899 A CN 109197899A
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CN
China
Prior art keywords
nano silver
antibacterial agent
liquid nano
novel liquid
silver antibacterial
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Pending
Application number
CN201710540901.3A
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Chinese (zh)
Inventor
任建军
郑燕英
尹立坤
何雪
郭强
范金娇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Guanghe Biotechnology Co Ltd
Beijing University of Agriculture
Original Assignee
Beijing Guanghe Biotechnology Co Ltd
Beijing University of Agriculture
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Publication date
Application filed by Beijing Guanghe Biotechnology Co Ltd, Beijing University of Agriculture filed Critical Beijing Guanghe Biotechnology Co Ltd
Priority to CN201710540901.3A priority Critical patent/CN109197899A/en
Publication of CN109197899A publication Critical patent/CN109197899A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N3/00—Preservation of plants or parts thereof, e.g. inhibiting evaporation, improvement of the appearance of leaves or protection against physical influences such as UV radiation using chemical compositions; Grafting wax
    • A01N3/02—Keeping cut flowers fresh chemically
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
    • A01N33/02—Amines; Quaternary ammonium compounds
    • A01N33/12—Quaternary ammonium compounds
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/153—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
    • A23B7/154—Organic compounds; Microorganisms; Enzymes
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/153—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
    • A23B7/157—Inorganic compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K33/00—Medicinal preparations containing inorganic active ingredients
    • A61K33/24—Heavy metals; Compounds thereof
    • A61K33/38—Silver; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/005—Antimicrobial preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/10—Washing or bathing preparations
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/30—Amines; Substituted amines ; Quaternized amines
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
    • 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
    • C11D9/00—Compositions of detergents based essentially on soap
    • C11D9/04—Compositions of detergents based essentially on soap containing compounding ingredients other than soaps
    • C11D9/06—Inorganic compounds
    • C11D9/08—Water-soluble compounds
    • C11D9/10—Salts
    • 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
    • C11D9/00—Compositions of detergents based essentially on soap
    • C11D9/04—Compositions of detergents based essentially on soap containing compounding ingredients other than soaps
    • C11D9/22—Organic compounds, e.g. vitamins
    • C11D9/30—Organic compounds, e.g. vitamins containing nitrogen

Abstract

The invention discloses a kind of novel liquid nano silver antibacterial agent, compositing formulas are as follows: in every novel liquid nano silver antibacterial agent of 32mL, contains AgNO30.00208g, CTAB 0.015g, sodium borohydride 0.00015g, ethyl alcohol 2mL, water 30mL.Invention also provides the preparation method and application of the novel liquid nano silver antibacterial agent, can be applied in the production of fresh flower, the bacteriostasis, preservation of water fruits and vegetables and bacteriostatic hand sanitizer, perfumed soap, soap, liquid detergent and Feminine care solution.Operation of the present invention is simple, short preparation period, can efficiently produce, and obtained product fungistatic effect has broad spectrum activity, and fungistatic effect is persistently significant, and application is very extensive.

Description

A kind of novel liquid nano silver antibacterial agent and its preparation method and application
Technical field
The present invention relates to a kind of bacteriostatic agent, especially a kind of novel liquid nano silver antibacterial agent and preparation method thereof and answer With.
Background technique
Nano silver relies on its good electric conductivity, and the features such as skin effect, quantum size effect is being catalyzed, biology, medical treatment Equal fields are widely used.Nano silver is as antibacterial material, and compared to traditional high-temperature sterilization, low temperature sterilization has for antibiotic etc. There is broad-spectrum sterilization, have no drug resistance, the duration waits so long advantage.Nano silver main preparation methods have oxidation-reduction method, electrochemistry also Former method, photochemical reduction etc. are inhibiting the antibacterial tests of Escherichia coli to show certain effect, are obtaining efficient, wide spectrum Nano silver antimicrobials be its widely applied basis in production and living.The present invention is intended to provide a kind of novel liquid nano silver Bacteriostatic agent and preparation method thereof, it is available to have efficient, broad-spectrum sterilization effect bactericidal nano-silver agent, it is preserving fruit and vegetable utilizing, antibacterial Hand cleanser etc. provides good antibacterial material.
Summary of the invention
The purpose of the present invention is to provide a kind of novel liquid nano silver antibacterial agent and its preparation method and application.
To solve the above-mentioned problems, the present invention provides a kind of novel liquid nano silver antibacterial agent, compositing formula are as follows: every In the novel liquid nano silver antibacterial agent of 32mL, contain AgNO30.00208g, CTAB 0.015g, sodium borohydride 0.00015g, second Alcohol 2mL, water 30mL.
Invention also provides the preparation methods of this kind of novel liquid nano silver antibacterial agent, comprising the following steps:
Weigh 0.1g AgNO3It is dissolved in 120mL water；0.15g CTAB is dissolved in 20mL ethyl alcohol, and 0.1g sodium borohydride is dissolved in 20mL water In to obtain mother liquor spare；Take 2.5mL AgNO3Solution, 27.5mL water and 2mL CTAB ethanol solution are uniformly mixed, and are placed in constant temperature Heat up stirring on blender, and when temperature rises to 40 DEG C, 30 μ L sodium borohydride solutions are added, are kept for 5 minutes at this temperature, after Continuous to be warming up to 50 DEG C, constant temperature stirs 25 minutes to get the novel liquid nano silver antibacterial agent.
Invention also provides the application of this kind of novel liquid nano silver antibacterial agent, it can be used for fresh flower, water fruits and vegetables Bacteriostasis, preservation and bacteriostatic hand sanitizer, perfumed soap, soap, liquid detergent and Feminine care solution production in.
The present invention has the following advantages: easy to operate, short preparation period, can be applied in efficiently production；Obtained product suppression Bacterium effect has broad spectrum activity, and fungistatic effect is persistently significant；Using very extensive, the antibacterial guarantor of fresh flower, water fruits and vegetables can be applied to In the fresh production with bacteriostatic hand sanitizer, perfumed soap, soap, liquid detergent and Feminine care solution.
Detailed description of the invention
Bacteriostatic Effect of the novel liquid nano silver of Fig. 1 to bacillus subtilis.
Minimal inhibitory concentration of the novel liquid nano silver antibacterial agent of Fig. 2 to bacillus subtilis.
Influence of Fig. 3 CTAB dosage to the liquid nano silver fungistatic effect of synthesis.
Influence of Fig. 4 sodium borohydride solution dosage to the liquid nano silver fungistatic effect of synthesis.
Specific embodiment
Embodiment 1
A kind of preparation method of novel liquid nano silver wide-spectrum bactericide, successively follows the steps below:
Weigh 0.1g AgNO3It is dissolved in 120mL water；0.15g CTAB is dissolved in 20mL ethyl alcohol, and 0.1g sodium borohydride is dissolved in 20mL water In to obtain mother liquor spare；Take 2.5mL AgNO3Solution, 27.5mL water and 2mL CTAB ethanol solution are uniformly mixed, and are placed in constant temperature Heat up stirring on blender, and when temperature rises to 40 DEG C, 30 μ L sodium borohydride solutions are added, are kept for 5 minutes at this temperature, after Continuous to be warming up to 50 DEG C, constant temperature stirs 25 minutes to get the novel liquid nano silver antibacterial agent.
Embodiment 2
Fruit and vegetable fresh-keeping agent is prepared using novel liquid nano silver wide-spectrum bactericide, is successively followed the steps below:
Weigh 0.1g AgNO3It is dissolved in 120mL water；0.15g CTAB is dissolved in 20mL ethyl alcohol, and 0.1g sodium borohydride is dissolved in 20mL water In to obtain mother liquor spare；Take 2.5mL AgNO3Solution, 27.5mL water and 2mL CTAB ethanol solution are uniformly mixed, and are placed in constant temperature Heat up stirring on blender, and when temperature rises to 40 DEG C, 30 μ L sodium borohydride solutions are added, are kept for 5 minutes at this temperature, after Continuous to be warming up to 50 DEG C, constant temperature stirs 25 minutes, obtains novel liquid nano silver antibacterial agent；Potassium sorbate, ascorbic acid, life is added The components such as long inhibitor are uniformly mixed to get fruit and vegetable fresh-keeping agent.
Embodiment 3
Bacteriostatic hand sanitizer is prepared using novel liquid nano silver wide-spectrum bactericide, is successively followed the steps below:
Weigh 0.1g AgNO3It is dissolved in 120mL water；0.15g CTAB is dissolved in 20mL ethyl alcohol, and 0.1g sodium borohydride is dissolved in 20mL water In to obtain mother liquor spare；Take 2.5mL AgNO3Solution, 27.5mL water and 2mL CTAB ethanol solution are uniformly mixed, and are placed in constant temperature Heat up stirring on blender, and when temperature rises to 40 DEG C, 30 μ L sodium borohydride solutions are added, are kept for 5 minutes at this temperature, after Continuous to be warming up to 50 DEG C, constant temperature stirs 25 minutes, obtains novel liquid nano silver antibacterial agent, and thickener 10g, pigment 1g, perfume (or spice) is added Smart 5g, CMC of surfactant-Na 30g, water 452mL are uniformly mixed to get bacteriostatic hand sanitizer.
Embodiment 4
Antibacterial soap is prepared using novel liquid nano silver wide-spectrum bactericide, is successively followed the steps below:
Weigh 0.1g AgNO3It is dissolved in 120mL water；0.15g CTAB is dissolved in 20mL ethyl alcohol, and 0.1g sodium borohydride is dissolved in 20mL water In to obtain mother liquor spare；Take 2.5mL AgNO3Solution, 27.5mL water and 2mL CTAB ethanol solution are uniformly mixed, and are placed in constant temperature Heat up stirring on blender, and when temperature rises to 40 DEG C, 30 μ L sodium borohydride solutions are added, are kept for 5 minutes at this temperature, after Continuous to be warming up to 50 DEG C, constant temperature stirs 25 minutes, obtains novel liquid nano silver antibacterial agent, is added in higher fatty acids 300g and mixes It is even, NaCl, pigment, essence, surfactant, foaming agent is added, is uniformly mixed, obtains antibacterial soap.
Embodiment 5
Novel liquid nano silver in the present invention tests the fungistatic effect of bacillus subtilis, follows the steps below:
2 parts of LB culture medium 150mL is prepared, the liquid nano silver solution 25mL of 20 μ g/mL is added in 1 part of culture medium thereto, goes out Bacterium；Inverted plate after being inoculated with 1% bacillus subtilis bacterium solution 10 μ L, 37 DEG C of culture 16h, observes antibacterial situation, as a result such as Fig. 1 institute Show.
As can be seen from Figure 1 liquid nano silver has the effect of Efficient antibacterial.
Embodiment 6
Novel liquid nano silver in the present invention tests the minimal inhibitory concentration of bacillus subtilis, according to the following steps into Row:
5 parts of LB culture medium 150mL is prepared, is separately added into 3 μ g/mL, 8 μ g/mL, 15 μ g/mL, 20 μ in 4 parts of culture mediums thereto The liquid nano silver solution 25mL of g/mL, sterilizing；Inverted plate is inoculated with 1% bacillus subtilis bacterium solution 10 μ L, 37 DEG C of culture 16h Afterwards, antibacterial situation is observed, as a result as shown in Figure 2.
From figure 2 it can be seen that the liquid nano silver fungistatic effect that concentration is 20 μ g/mL is best.
Embodiment 7
Influence of the CTAB dosage to synthesis liquid nano silver is tested, and is followed the steps below:
It weighs 0.1g, 0.15 g, 0.20 g CTAB respectively to be dissolved in 20mL ethyl alcohol, other conditions are constant, prepare liquid nano Silver；The liquid nano silver solution 25mL for taking 20 μ g/mL, is added in 150mL LB culture medium, is inoculated with bacillus subtilis, observation Fungistatic effect.
As seen from Figure 3,0.15g CTAB is optimal CTAB dosage.
Embodiment 8
Influence of the sodium borohydride solution dosage to synthesis liquid nano silver is tested, and is followed the steps below:
Sodium borohydride solution dosage is set to 10 μ L, 20 μ L, 30 μ L, and other conditions are constant, prepares liquid nano silver.Take 20 μ The liquid nano silver solution 25mL of g/mL, is added in 150mL LB culture medium, is inoculated with bacillus subtilis, observes antibacterial effect Fruit.
As seen from Figure 4,10 μ L are optimal sodium borohydride solution dosage under this condition.
Embodiment 9
Influence of the mixing time to synthesis liquid nano silver is tested, and is followed the steps below:
Mixing time is respectively set to 20 minutes, 30 minutes, 40 minutes, 50 minutes, and other conditions are constant, prepare liquid nano Silver；The liquid nano silver solution 25mL for taking 20 μ g/mL, is added in 150mL LB culture medium, is inoculated with bacillus subtilis, observation Fungistatic effect.
Experiment show 30 minutes for optimal mixing time under this condition.
Embodiment 10
Ethanol consumption tests the influence that liquid nano silver synthesizes, and follows the steps below:
It weighs 0.15g CTAB respectively to be dissolved in 10mL, 15mL, 20mL, 25mL ethyl alcohol, other conditions are constant, prepare liquid nano Silver.The liquid nano silver solution 25mL for taking 20 μ g/mL, is added in 150mL LB culture medium, is inoculated with bacillus subtilis, observation Fungistatic effect.
Experiment shows that the ethyl alcohol of 20mL is optimum dose under this condition.

Claims (3)

1. a kind of novel liquid nano silver antibacterial agent, compositing formula are as follows: in every novel liquid nano silver antibacterial agent of 32mL, contain AgNO3 0.00208g, CTAB 0.015g, sodium borohydride 0.00015g, ethyl alcohol 2mL, water 30mL.
2. the preparation method of novel liquid nano silver antibacterial agent as described in claim 1, it is characterised in that the following steps are included: claiming Take 0.1g AgNO3It is dissolved in 120mL water；0.15g CTAB is dissolved in 20mL ethyl alcohol, and 0.1g sodium borohydride, which is dissolved in 20mL water, obtains mother Liquid is spare；Take 2.5mL AgNO3Solution, 27.5mL water and 2mL CTAB ethanol solution are uniformly mixed, and are placed on thermostatic mixer 30 μ L sodium borohydride solutions are added when temperature rises to 40 DEG C in heating stirring, are kept for 5 minutes, are continuously heating at this temperature 50 DEG C, constant temperature stirs 25 minutes to get the novel liquid nano silver antibacterial agent.
3. the application range of novel liquid nano silver antibacterial agent as described in claim 1, it is characterised in that it can be used for fresh Flower, the bacteriostasis, preservation of water fruits and vegetables and bacteriostatic hand sanitizer, perfumed soap, soap, liquid detergent and Feminine care solution production in.
CN201710540901.3A 2017-07-05 2017-07-05 A kind of novel liquid nano silver antibacterial agent and its preparation method and application Pending CN109197899A (en)

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Application Number Priority Date Filing Date Title
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110089558A (en) * 2019-05-15 2019-08-06 艾思朋(广州)新材料生物科技有限公司 Fresh antistaling agent of fruits and vegetables birds, beasts and eggs and preparation method thereof

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