CN112430510A - Bacteriostatic detergent containing plant surfactant and preparation method thereof - Google Patents
Bacteriostatic detergent containing plant surfactant and preparation method thereof Download PDFInfo
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- CN112430510A CN112430510A CN202011389876.1A CN202011389876A CN112430510A CN 112430510 A CN112430510 A CN 112430510A CN 202011389876 A CN202011389876 A CN 202011389876A CN 112430510 A CN112430510 A CN 112430510A
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- tea polyphenol
- extract
- agent
- bacteriostatic
- detergent according
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- 239000003599 detergent Substances 0.000 title claims abstract description 53
- 239000004094 surface-active agent Substances 0.000 title claims abstract description 21
- 230000003385 bacteriostatic effect Effects 0.000 title claims description 18
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 150000008442 polyphenolic compounds Chemical class 0.000 claims abstract description 79
- 235000013824 polyphenols Nutrition 0.000 claims abstract description 79
- 239000000284 extract Substances 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 240000003377 Shepherdia canadensis Species 0.000 claims abstract description 26
- 235000018324 Shepherdia canadensis Nutrition 0.000 claims abstract description 26
- 125000003118 aryl group Chemical group 0.000 claims abstract description 11
- 239000002562 thickening agent Substances 0.000 claims abstract description 11
- 241000196324 Embryophyta Species 0.000 claims abstract description 10
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 10
- 239000002738 chelating agent Substances 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 239000003974 emollient agent Substances 0.000 claims abstract description 8
- 239000003755 preservative agent Substances 0.000 claims abstract description 8
- 230000002335 preservative effect Effects 0.000 claims abstract description 8
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 5
- 241001122767 Theaceae Species 0.000 claims description 78
- 230000002378 acidificating effect Effects 0.000 claims description 20
- 238000007254 oxidation reaction Methods 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 20
- 239000008367 deionised water Substances 0.000 claims description 14
- 229910021641 deionized water Inorganic materials 0.000 claims description 14
- 230000003647 oxidation Effects 0.000 claims description 13
- 230000002255 enzymatic effect Effects 0.000 claims description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 102000030523 Catechol oxidase Human genes 0.000 claims description 6
- 108010031396 Catechol oxidase Proteins 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 241000205585 Aquilegia canadensis Species 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 239000007800 oxidant agent Substances 0.000 claims description 4
- 229940100555 2-methyl-4-isothiazolin-3-one Drugs 0.000 claims description 3
- 229940100484 5-chloro-2-methyl-4-isothiazolin-3-one Drugs 0.000 claims description 3
- 230000002421 anti-septic effect Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- DHNRXBZYEKSXIM-UHFFFAOYSA-N chloromethylisothiazolinone Chemical compound CN1SC(Cl)=CC1=O DHNRXBZYEKSXIM-UHFFFAOYSA-N 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- BEGLCMHJXHIJLR-UHFFFAOYSA-N methylisothiazolinone Chemical compound CN1SC=CC1=O BEGLCMHJXHIJLR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 244000025254 Cannabis sativa Species 0.000 claims description 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 2
- 241000825107 Hierochloe Species 0.000 claims description 2
- 235000014104 aloe vera supplement Nutrition 0.000 claims description 2
- 235000019206 astragalus extract Nutrition 0.000 claims description 2
- 235000009120 camo Nutrition 0.000 claims description 2
- 235000005607 chanvre indien Nutrition 0.000 claims description 2
- 239000011487 hemp Substances 0.000 claims description 2
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 239000006260 foam Substances 0.000 abstract description 18
- 238000005187 foaming Methods 0.000 abstract description 18
- 238000005406 washing Methods 0.000 abstract description 7
- 230000000087 stabilizing effect Effects 0.000 abstract description 6
- 244000269722 Thea sinensis Species 0.000 abstract 2
- 230000000052 comparative effect Effects 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- 239000007788 liquid Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 238000004851 dishwashing Methods 0.000 description 5
- 238000001694 spray drying Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 206010040880 Skin irritation Diseases 0.000 description 3
- 239000012295 chemical reaction liquid Substances 0.000 description 3
- 238000005202 decontamination Methods 0.000 description 3
- 230000003588 decontaminative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229930182490 saponin Natural products 0.000 description 3
- 235000017709 saponins Nutrition 0.000 description 3
- 150000007949 saponins Chemical class 0.000 description 3
- 230000036556 skin irritation Effects 0.000 description 3
- 231100000475 skin irritation Toxicity 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229940069521 aloe extract Drugs 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000000415 inactivating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 229930183111 sapindoside Natural products 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- -1 sodium alkyl benzene Chemical class 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 240000004784 Cymbopogon citratus Species 0.000 description 1
- 235000017897 Cymbopogon citratus Nutrition 0.000 description 1
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 description 1
- 241000580938 Sapindus Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000000022 bacteriostatic agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229940077388 benzenesulfonate Drugs 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009982 effect on human Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000006911 enzymatic reaction Methods 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000001397 quillaja saponaria molina bark Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- C11D1/662—Carbohydrates or derivatives
-
- 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
- C11D3/33—Amino carboxylic acids
-
- 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
- C11D3/34—Organic compounds containing sulfur
- C11D3/349—Organic compounds containing sulfur additionally containing nitrogen atoms, e.g. nitro, nitroso, amino, imino, nitrilo, nitrile groups containing compounds or their derivatives or thio urea
-
- 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
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/382—Vegetable products, e.g. soya meal, wood flour, sawdust
-
- 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
-
- C11D2111/14—
Abstract
The invention belongs to the technical field of washing products, and particularly relates to an antibacterial detergent containing a plant surfactant and a preparation method thereof, wherein the antibacterial detergent contains the following components in parts by mass: 10-25% of soapberry extract, 1-8% of compound oxidized tea polyphenol, 1-3% of antibacterial agent, 0.5-1.5% of emollient, 0.1-1% of aromatic, 0.1-4% of thickening agent, 0.01-0.1% of chelating agent, 0.1-0.3% of preservative and the balance of water. The soapberry extract is compounded with two types of oxidized tea polyphenol to serve as a surfactant system, so that the prepared detergent has excellent high-low temperature foaming capacity and foam stabilizing capacity, the detergency is obviously improved, and the whole washing performance is good and the performance is excellent.
Description
Technical Field
The invention belongs to the technical field of washing products. More particularly, relates to an antibacterial detergent containing a plant surfactant and a preparation method thereof.
Background
At present, petroleum derived products such as sodium alkyl benzene sulfonate (LAS) and fatty alcohol polyoxyethylene sodium sulfate (AES) are mostly adopted as main foaming and decontaminating components, and the two surfactants are easily dissolved in water, have low price and good washing performance and are widely used. However, LAS and AES are prone to residue and present a potential threat to human health.
Based on the above, some products adopting natural surfactants to replace petroleum surfactants appear in the market, and the common natural surfactants mainly comprise saponins, such as soapberry extract and the like, and contain abundant saponins, so that the detergent prepared by using the soapberry extract as the surfactant has the functions of bacteriostasis and cleaning, and thus, the detergent meets the requirement of green safety. For example, chinese patent CN105647669A discloses a detergent containing sapindoside, which is mainly prepared by mixing sapindoside extract, ethanol, propylene glycol, soluble starch and water in a certain proportion. The detergent takes plant natural extract soapberry saponin as a surfactant, has good decontamination effect, no toxic or side effect on human bodies, is easy to degrade, does not pollute the environment, and has good environmental protection benefit; for example, chinese patent CN110628517A discloses a natural edible detergent, which comprises the following components by weight: 20-35% of soapberry peel extracting solution, 15-25% of tea seed powder extracting solution, 1-5% of thickening agent, 0.01-0.2% of preservative, 0.01-0.05% of essence and the balance of deionized water; the natural edible detergent is prepared by extracting plants containing natural active ingredients, has scientific formula and proportioning, does not add any artificially synthesized chemicals, has strong dirt-removing power, does not stimulate the body temperature of people, and has no toxic or side effect. However, the foaming capacity and foam stabilizing capacity of the soapberry extract are not ideal, and especially at low temperature, the soapberry extract alone serving as the surfactant has the defect of poor decontamination, so that the detergent taking the soapberry extract as the main surfactant has the defects of poor low-temperature foaming capacity, insufficient and durable foam and poor decontamination.
Therefore, it is necessary to develop a green safe detergent which is mainly composed of natural green surfactant and has good washing performance.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects and shortcomings of the existing detergent containing a natural surfactant, and provides a green detergent with mild action and good washing performance.
The above purpose of the invention is realized by the following technical scheme: a bacteriostatic liquid detergent containing a plant surfactant comprises the following components in parts by mass: 10-25% of soapberry extract, 1-8% of compound oxidized tea polyphenol, 1-3% of antibacterial agent, 0.5-1.5% of emollient, 0.1-1% of aromatic, 0.1-4% of thickening agent, 0.01-0.1% of chelating agent, 0.1-0.3% of preservative and the balance of deionized water.
Preferably, the detergent comprises the following components in parts by mass: 12-25% of soapberry extract, 3-8% of compound oxidized tea polyphenol, 1.5-3% of antibacterial agent, 0.5-1% of emollient, 0.5-1% of aromatic, 0.1-2% of thickening agent, 0.01-0.05% of chelating agent, 0.15-0.3% of preservative and the balance of deionized water.
Preferably, the compound oxidized tea polyphenol consists of enzymatic oxidized tea polyphenol and acidic oxidized tea polyphenol.
Preferably, the weight ratio of the enzymatic oxidation tea polyphenol to the acidic oxidation tea polyphenol is 5: 1-3.
Preferably, the acidic oxidized tea polyphenol is obtained by oxidizing tea polyphenol with an acidic oxidizing agent.
Preferably, the acidic oxidizing agent is selected from an acetic acid solution, a hydrochloric acid solution or a citric acid solution. More preferably, the specific preparation method of the acidic oxidized tea polyphenol in the invention comprises the following steps:
weighing tea polyphenol, dissolving the tea polyphenol in deionized water to form a tea polyphenol water solution, keeping the temperature of circulating water at 20 ℃, stirring, adding 0.01mol/L acetic acid solution, carrying out oxidation reaction for 20-40 min, introducing air in the reaction process, adding ethyl acetate 1-3 times of the reaction liquid after the reaction is finished, carrying out centrifugal layering, taking supernatant, carrying out reduced pressure concentration to obtain extract, and carrying out spray drying to obtain the acidic oxidized tea polyphenol.
Wherein, in the preparation process, the concentration of the tea polyphenol in the tea polyphenol water solution can be 5-10 g/L; the oxidation reaction time is 30 min; the ventilation rate was 0.5L/min.
Preferably, the enzymatic oxidation of tea polyphenols is achieved by subjecting tea polyphenols to oxidation promotion by means of polyphenol oxidase. More preferably, the specific preparation method of the enzymatic oxidation tea polyphenol comprises the following steps:
weighing tea polyphenol, dissolving the tea polyphenol in deionized water to form a tea polyphenol water solution (pH is adjusted to 5.5 by adopting a pH regulator), keeping the temperature of circulating water at 37 ℃, adding polyphenol oxidase while stirring, introducing air in the reaction process, carrying out enzymatic oxidation reaction for 30-60 min, after the reaction is finished, inactivating the enzyme, adding ethyl acetate in an amount which is 1-3 times that of the reaction liquid, carrying out centrifugal layering, taking supernate, concentrating the supernate under reduced pressure to obtain extract, and carrying out spray drying to obtain the enzymatic oxidation tea polyphenol.
Wherein the concentration of tea polyphenol in the tea polyphenol water solution can be 1-3 g/L; the concentration of the polyphenol oxidase in the reaction solution is 1-2 g/L; the ventilation volume is 0.6L/min; the oxidation reaction time is 50 min.
Preferably, the antibacterial agent is one or more than two of honeysuckle extract, hemp leaf extract and astragalus extract; the aromatic is one or two of herba Cymbopogonis Citrari extract and herba Hierochloes Adoratae extract.
Preferably, the emollient is aloe vera extract; the thickening agent is sodium chloride; the chelating agent is EDTA-2 Na; the preservative is a mixture of methylisothiazolinone and methylchloroisothiazolinone.
Another object of the present invention is a method for preparing the fragrant detergent, comprising the steps of:
adding deionized water with a formula amount into a stirring pot, heating to 40-50 ℃, adding the compound oxidized tea polyphenol, and uniformly stirring; continuously heating to 60-70 ℃, adding the soapberry extract and the chelating agent, and uniformly stirring; cooling to 45-50 ℃, adding a thickening agent, and uniformly stirring; cooling to below 45 deg.C, adding antibacterial agent, skin caring agent, antiseptic and aromatic, stirring, and filtering.
Aiming at the defect of insufficient foaming and foam stabilizing performances of the soapberry extract, the inventor of the invention unexpectedly finds that the high-temperature foaming power and the foam stabilizing performance of the soapberry extract can be improved by adding the acidic oxidized tea polyphenol, but the low-temperature foaming performance is not obviously improved; furthermore, the addition of the oxidized tea polyphenol obtained by an enzymatic method on the basis of the original technology has unexpected technical effects, the surface living system has good foaming performance and foam stabilizing capability at 15 ℃ and 40 ℃, and the integral detergency is obviously improved. If oxidized tea polyphenol obtained by alkaline oxidation is added, although the overall performance is improved compared with the single action of the soapberry extract, the difference is larger compared with the addition of enzymatic oxidized tea polyphenol and acidic tea polyphenol.
The invention takes natural plant components as the bacteriostatic agent, thereby realizing good bacteriostatic effect and reducing the stimulation to the skin; the aloe extract is also added as an emollient, so that the phenomena of dry and chapped hand skin can be reduced; the invention also adds the aromatic, which can give the detergent rich fragrance.
The invention has the following beneficial effects:
(1) the soapberry extract is compounded with two types of oxidized tea polyphenol to serve as a surfactant system, so that the prepared detergent has excellent high-low temperature foaming capacity and foam stabilizing capacity, the detergency is obviously improved, and the whole washing performance is good and the performance is excellent.
(2) The surfactants adopted by the invention are all derived from natural plant components, and do not contain components such as anionic surfactants and the like which have greater skin irritation, so that the skin irritation is small, and the skin irritation is more green and safe.
(3) The soapberry extract, the honeysuckle extract and the like contained in the liquid detergent have the bacteriostatic action, so that the liquid detergent is endowed with a good bactericidal effect.
Detailed Description
The present invention is further illustrated by the following specific examples, which are not intended to limit the invention in any way. Reagents, methods and apparatus used in the present invention are conventional in the art unless otherwise indicated.
Unless otherwise indicated, reagents and materials used in the following examples are commercially available.
Example 1 preparation of acidic oxidized tea polyphenols
Weighing tea polyphenol, dissolving in deionized water to form a tea polyphenol water solution, keeping the temperature of circulating water at 20 ℃, stirring, adding 0.01mol/L acetic acid solution to enable the pH of a reaction solution to be 2.9, carrying out oxidation reaction for 30min, introducing air in the reaction process, adding ethyl acetate 2 times the amount of the reaction solution after the reaction is finished, centrifuging and layering, taking supernatant, concentrating under reduced pressure to obtain extract, and carrying out spray drying to obtain the acidic oxidized tea polyphenol.
Wherein, in the preparation process, the concentration of the tea polyphenol in the tea polyphenol water solution is 5 g/L; the ventilation rate was 0.5L/min.
Example 2 preparation of enzymatically oxidized tea polyphenols
Weighing tea polyphenol, dissolving in deionized water to form tea polyphenol water solution (pH is adjusted to 5.5 by adopting a pH regulator), keeping the temperature of circulating water at 37 ℃, adding polyphenol oxidase while stirring, introducing air in the reaction process, carrying out enzymatic oxidation reaction for 50min, after the reaction is finished, inactivating the enzyme, adding ethyl acetate 2 times of the reaction liquid, carrying out centrifugal layering, taking supernatant, concentrating under reduced pressure to obtain extract, and carrying out spray drying to obtain the enzymatic oxidation tea polyphenol.
Wherein the concentration of tea polyphenol in the tea polyphenol water solution can be 3 g/L; the concentration of the polyphenol oxidase in the reaction solution is 1.5 g/L; the ventilation rate is 0.6L/min.
Example 3-5 bacteriostatic detergent formulation containing plant surfactant and preparation thereof(mass fraction)
| Components | Example 3 | Example 4 | Example 5 |
| Sapindus mukurossi extract | 22％ | 25％ | 20％ |
| Enzymatic oxidation of tea polyphenols | 5％ | 3％ | 5％ |
| Acidic oxidized tea polyphenols | 2％ | 0.6％ | 1％ |
| Aloe extract | 1％ | 0.5％ | 1.5％ |
| Honeysuckle extract | 1.5％ | 1％ | 3％ |
| Cymbopogon citratus extract | 0.5％ | 0.5％ | 0.5％ |
| Sodium chloride | 1.0％ | 1.5％ | 2％ |
| EDTA-2Na | 0.05％ | 0.05％ | 0.05％ |
| Methylisothiazolinone | 0.1％ | 0.1％ | 0.1％ |
| Methylchloroisothiazolinone | 0.1％ | 0.1％ | 0.1％ |
| Deionized water | Balance of | Balance of | Balance of |
EXAMPLES 3 to 5 Process for producing liquid detergent
Adding deionized water into a stirring pot, heating to 45 deg.C, adding compound oxidized tea polyphenols, and stirring; continuing to heat to 65 deg.C, adding fructus Sapindi Mukouossi extract and chelating agent, and stirring; cooling to 45 ℃, adding the thickening agent, and uniformly stirring; cooling to below 45 deg.C, adding antibacterial agent, skin caring agent, antiseptic and aromatic, stirring, and filtering.
Comparative example 1 is different from example 3 in that the mass fraction of the soapberry extract is increased to 29% without adding the complex oxidized tea polyphenol, and the rest parameters are the same as example 3.
Comparative example 2 differs from example 3 in that the mass fraction of enzymatically oxidized tea polyphenols was increased to 20% and the mass fraction of acid oxidized tea polyphenols was increased to 9% without adding the soapberry extract, and the remaining parameters were the same as in example 3.
Comparative example 3 differs from example 3 in that the mass fraction of acid-oxidized tea polyphenols was increased to 7% without adding the enzymatically oxidized tea polyphenols, and the remaining parameters were the same as in example 3.
Comparative example 4 differs from example 3 in that the mass fraction of enzymatically oxidized tea polyphenols was increased to 7% without adding acid oxidized tea polyphenols, and the remaining parameters were the same as in example 3.
Comparative example 5 differs from example 3 in that the acidic oxidized tea polyphenol is replaced by the basic oxidized tea polyphenol and the remaining parameters are the same as in example 3.
The preparation method of the alkaline oxidized tea polyphenol comprises the following steps:
weighing tea polyphenol, dissolving in deionized water to form a tea polyphenol water solution, keeping the temperature of circulating water at 20 ℃, stirring, adding 0.01mol/L sodium bicarbonate solution to enable the pH of a reaction solution to be 9.2, carrying out oxidation reaction for 30min, introducing air during the reaction process, adding ethyl acetate 2 times of the reaction solution after the reaction is finished, carrying out centrifugal layering, taking supernatant, concentrating under reduced pressure to obtain extract, and carrying out spray drying to obtain the acidic oxidized tea polyphenol.
Wherein, in the preparation process, the concentration of the tea polyphenol in the tea polyphenol water solution is 5 g/L; the ventilation rate was 0.5L/min.
Test example I, sensory index evaluation
The appearance, odor and stability of the detergents prepared in examples 3 to 5 were tested according to the national standard GB/T9985-2000 "hand dishwashing detergent", and the test results are shown in Table 1 below.
Table 1 results of sensory testing of detergents in examples 3 to 5
Test example two evaluation of foam Properties
The foaming properties of the detergents of examples 3 to 5 and comparative examples 1 to 5 were measured at 15 ℃ and 40 ℃ by means of a Roche foam tester according to "determination of foaming power of detergent" (Ross-Miles method) in GB/T13173-2008, and the foam heights at that time and after 5min were recorded to characterize the foaming power and foam stability of the detergents, and the results are shown in Table 2 below.
TABLE 2 results of detergent foaming ability and foam stability test at different temperatures
With the increase of the temperature, the overall foam height of the liquid detergents in the examples 3-5 and the comparative examples 1-5 also shows a tendency of increasing, wherein the examples 3-5 have good foaming power at 15 ℃ and 40 ℃ and have good foam stability; the foaming force of the liquid detergent in comparative example 1 (soapberry extract) and comparative example 3 (soapberry extract and acidic oxidized tea polyphenol) is poor at low temperature, and is improved at high temperature, but the difference is larger compared with the liquid detergent in the examples; comparative example 2 using only the complex oxidized tea polyphenol as a surfactant, foaming force at 15 ℃ and 40 ℃ was not ideal; comparative example 4 (soapberry extract + enzymatically oxidized tea polyphenols) foaming power and foam stability were slightly, but not significantly, increased compared to the soapberry extract group; comparative example 5 foaming force was superior in each group, but foam stability was poor.
Test example three evaluation of detergency
The detergents prepared in examples 3 to 5 and comparative examples 1 to 5 were tested for detergency according to "method 2, foam level method" in appendix B of GB/T9985-2000 "hand dishwashing detergent", and the test results are shown in Table 3 below.
TABLE 3 detergent dirt oil removal (%)
| Sample (I) | Specific power of detergency |
| Standard tableware detergent | 1 |
| Example 3 | 2.42 |
| Example 4 | 2.37 |
| Example 5 | 2.35 |
| Comparative example 1 | 1.02 |
| Comparative example 2 | 0.73 |
| Comparative example 3 | 1.52 |
| Comparative example 4 | 1.26 |
| Comparative example 5 | 1.73 |
Note: the standard dish washing detergent is referred to as 'method 2, foam position' B1.4.3 in appendix B of national standard GB/T9985-2000 "hand dishwashing detergent".
As can be seen from the above table, examples 3 to 5 of the present invention have excellent detergency, which is significantly higher than the national standard dish washing detergent.
Experiment four, bacteriostasis experiment
The bacteriostatic performance of the liquid detergents of examples 3 to 5 was tested according to the bacteriostatic ring method described in technical specification for disinfection (2002 edition), and the test results are shown in table 4 below.
TABLE 4 bacteriostatic effect (37 deg.C)
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. An antibacterial detergent containing a plant surfactant is characterized by comprising the following components in parts by mass: 10-25% of soapberry extract, 1-8% of compound oxidized tea polyphenol, 1-3% of antibacterial agent, 0.5-1.5% of emollient, 0.1-1% of aromatic, 0.1-4% of thickening agent, 0.01-0.1% of chelating agent, 0.1-0.3% of preservative and the balance of deionized water.
2. The bacteriostatic detergent according to claim 1, which comprises the following components in percentage by mass: 12-25% of soapberry extract, 3-8% of compound oxidized tea polyphenol, 1.5-3% of antibacterial agent, 0.5-1% of emollient, 0.5-1% of aromatic, 0.1-2% of thickening agent, 0.01-0.05% of chelating agent, 0.15-0.3% of preservative and the balance of deionized water.
3. The bacteriostatic detergent according to claim 1 or 2, wherein the compound oxidized tea polyphenol consists of enzymatically oxidized tea polyphenol and acidic oxidized tea polyphenol.
4. The bacteriostatic detergent according to claim 3, wherein the weight ratio of the enzymatic oxidation tea polyphenol to the acidic oxidation tea polyphenol is 5: 1-3.
5. The bacteriostatic detergent according to claim 3, wherein the acidic oxidized tea polyphenol is obtained by oxidizing tea polyphenol with an acidic oxidizing agent.
6. The bacteriostatic detergent according to claim 5, wherein the acidic oxidant is selected from acetic acid solution, hydrochloric acid solution or citric acid solution.
7. The bacteriostatic detergent according to claim 3, wherein the enzymatic oxidation of tea polyphenol is obtained by promoting the oxidation of tea polyphenol by polyphenol oxidase.
8. The bacteriostatic detergent according to claim 1 or 2, wherein the antibacterial agent is one or more than two of honeysuckle extract, hemp leaf extract and astragalus extract; the aromatic is one or two of herba Cymbopogonis Citrari extract and herba Hierochloes Adoratae extract.
9. The bacteriostatic detergent according to claim 1 or 2, wherein the emollient is aloe vera extract; the thickening agent is sodium chloride; the chelating agent is EDTA-2 Na; the preservative is a mixture of methylisothiazolinone and methylchloroisothiazolinone.
10. A method for preparing the bacteriostatic detergent as claimed in any one of claims 1 to 9, which comprises the following steps:
adding deionized water with a formula amount into a stirring pot, heating to 40-50 ℃, adding the compound oxidized tea polyphenol, and uniformly stirring; continuously heating to 60-70 ℃, adding the soapberry extract and the chelating agent, and uniformly stirring; cooling to 45-50 ℃, adding a thickening agent, and uniformly stirring; cooling to below 45 deg.C, adding antibacterial agent, skin caring agent, antiseptic and aromatic, stirring, and filtering.
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