CN112402324B - Lavender hand cleaning solution and preparation method thereof - Google Patents

Abstract

The invention discloses lavender hand cleaning solution which is prepared from the following raw materials: disodium ethylene diamine tetraacetate, citric acid, pigment, DMDM hydantoin, rosemary extract, lavender extract, coconut oil fatty acid diethanolamide, sodium chloride, fatty alcohol-polyoxyethylene ether sodium sulfate and deionized water. The lavender hand cleaning solution disclosed by the invention has a good antibacterial effect and also has a good cleaning effect; the antibacterial effect is obviously improved by the lavender extract and the rosemary extract; the lavender extract with excellent antibacterial effect is obtained by extracting water-soluble parts of lavender stems and then performing vacuum freeze drying (prefreezing, freeze drying, sublimation drying and desorption drying); the rosemary extract with excellent antibacterial effect is obtained by crushing rosemary cell crushing materials, putting the crushed rosemary cell crushing materials into ethanol solution, extracting the crushed rosemary cell crushing materials by using a microwave extraction device, and adding macroporous adsorption resin.

Description

A kind of lavender hand cleaning liquid and preparation method thereof

technical field

The invention relates to the field of hand cleaning liquid, in particular to a lavender hand cleaning liquid and a preparation method thereof.

Background technique

At present, people mainly use hand cleaning liquid in addition to soap, soap and other cleaning products for hand cleaning. Soaps and soaps have strong cleaning power, but they are irritating to a certain extent. Long-term use will cause rough skin on the hands. Due to the high alkalinity of soaps themselves, consumers will feel special on their hands after using soaps. Dry and irritating.

There are various hand sanitizers in the market. On the one hand, most hand sanitizers are not very comfortable. Some products feel greasy after washing, making people feel unwashed; some products feel tight after washing, making people feel unpleasant. On the other hand, the bactericidal and bacteriostatic components of existing laundry detergents are mainly synthetic chemicals. It is irritating to the skin, and the skin is rough after long-term use.

SUMMARY OF THE INVENTION

The invention provides a lavender hand washing liquid and a preparation method thereof. The lavender hand washing liquid has good antibacterial effect and also has good cleaning effect.

The present invention solves its technical problem and adopts following technical scheme:

A lavender hand cleaning liquid is prepared from the following raw materials in parts by weight: 0.03-0.08 parts of disodium EDTA, 0.04-0.1 parts of citric acid, 0.02-0.1 parts of pigments, and 0.2-0.6 parts of DMDM hydantoin , 0.8-2 parts of rosemary extract, 0.8-2 parts of lavender extract, 1-3 parts of coconut oil fatty acid diethanolamide, 1.8-3 parts of sodium chloride, 16-20 parts of fatty alcohol polyoxyethylene ether sodium sulfate , 65 to 75 parts of deionized water.

As a preferred solution, the lavender hand cleaning solution is made from the following raw materials in parts by weight: 0.04-0.08 parts of disodium EDTA, 0.05-0.1 parts of citric acid, 0.03-0.1 parts of pigments, 0.2-0.5 parts of pigments DMDM hydantoin, 1-2 parts rosemary extract, 1-2 parts lavender extract, 1.5-3 parts coconut oil fatty acid diethanolamide, 2-3 parts sodium chloride, 16-19 parts fatty alcohol polyamide Sodium oxyethylene ether sulfate, 70-75 parts of deionized water.

As a most preferred solution, the lavender hand cleaning solution is made from the following raw materials in parts by weight: 0.05 part of disodium EDTA, 0.06 part of citric acid, 0.07 part of pigment, 0.4 part of DMDM hydantoin, 1.5 part of DMDM hydantoin Parts Rosemary Extract, 1.5 Parts Lavender Extract, 2 Parts Coconut Oil Fatty Acid Diethanolamide, 2.5 Parts Sodium Chloride, 18 Parts Sodium Fatty Alcohol Ethoxylate Sulfate, 73.92 Parts Deionized Water.

As a kind of preferred version, the preparation method of described lavender extract is:

S1, the lavender stem is washed, dried, and pulverized to 60-100 mesh to obtain lavender stem powder;

S2, adding lavender stem powder to deionized water, carrying out steam distillation to obtain oil-water mixture, and separating water phase;

S3. Put the water phase into the freezer, quickly freeze, quickly drop the temperature of the freezer to -45～-35°C, start the vacuum pump, and evacuate the freeze-drying box to 40～50Pa, and keep 40 at this temperature and vacuum degree. ~70min;

S4. Adjust the temperature of the freeze-drying box to -25℃～-15℃, the vacuum degree is 25～35Pa, and keep it for 40～70min; ～70min; then adjust the temperature of the freeze-drying box to 10～20℃, adjust the vacuum degree to 15～25Pa, keep it for 60～100min, finally, stop the freeze-drying when the vacuum degree returns to atmospheric pressure, pulverize it to 100～200 mesh, that is, get lavender Extract.

The inventor of the present invention has surprisingly found in a large number of experiments that by extracting the water-soluble parts of lavender stems, and then vacuum freeze-drying (pre-freezing, freeze-drying, sublimation drying, analytical drying) to obtain excellent antibacterial effect. Lavender Extract.

As a preferred solution, the weight ratio of lavender stem powder and deionized water in the S2 is 1:6-10.

As a kind of preferred version, the preparation method of described rosemary extract is:

S11. Wash rosemary, dry, and pulverize to obtain rosemary powder;

S12, mixing the rosemary powder, the broken product for breaking fine bubbles, and deionized water according to a weight ratio of 100:1-3:300-600, and reacting at 60-75° C. for 2-5 hours to obtain a mixture;

S13. Add the mixture into a microwave extraction device, add 60-80wt% ethanol solution of 2-4 times the weight of the mixture, heat to 60-70° C., and extract under the microwave power of 500-800W for 12-18 minutes to obtain an extraction solution ;

S14. Concentrate the extract to a water content of 10-20%, adjust pH to 4.6-5, apply macroporous adsorption resin at 0.8-1.2 BV/h, elution rate is 1.5-2.5 BV/h, wash with deionized water for 1.2 ～2BV, 60～80wt% ethanol solution is washed for 1.5～3BV, the ethanol washing solution is collected, and dried to obtain rosemary extract.

The inventor of the present invention has surprisingly found in a large number of experiments that by crushing rosemary with cell fragments, putting it into an ethanol solution and extracting it with a microwave extraction device, and then passing through the upper macroporous adsorption resin, an antibacterial product is obtained. Excellent rosemary extract.

As a preferred solution, the S11 is pulverized to 50-80 mesh.

As a preferred solution, the crushed product for cell crushing is composed of cellulase, pectinase and CTAB in a weight ratio of 1:0.8-2:0.2-0.5.

As a preferred solution, the macroporous adsorption resin is HPD-600.

The present invention also provides a preparation method of lavender hand cleaning liquid, comprising the following steps:

(1) Heating deionized water to 80～90℃, adding fatty alcohol polyoxyethylene ether sodium sulfate, disodium EDTA and citric acid, stirring uniformly;

(2) add coconut oil fatty acid diethanolamide, stir;

(3) Cool the temperature to 40-50° C., add citric acid, pigment, DMDM hydantoin, rosemary extract, lavender extract, sodium chloride, and stir evenly to obtain a lavender hand sanitizer.

Beneficial effects of the present invention: (1) the lavender hand washing liquid of the present invention has good antibacterial effect, and also has good cleaning effect; (2) the present invention is significantly improved by lavender extract and rosemary extract Improve the antibacterial effect; (3) by extracting the water-soluble parts of the lavender stem, and then through vacuum freeze drying (pre-freezing, freeze drying, sublimation drying, analytical drying) to obtain a lavender extract with excellent antibacterial effect; The cell crushed material is crushed, placed in an ethanol solution, extracted with a microwave extraction device, and then passed through the upper macroporous adsorption resin to obtain a rosemary extract with excellent antibacterial effect.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely below. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of them. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the present invention, unless otherwise stated, the "parts" are all parts by weight.

Example 1

A lavender hand cleaning solution, the lavender hand cleaning solution is made from the following raw materials in parts by weight: 0.05 part of disodium EDTA, 0.06 part of citric acid, 0.07 part of pigment, 0.4 part of DMDM hydantoin, 1.5 parts rosemary extract, 1.5 parts lavender extract, 2 parts coconut oil fatty acid diethanolamide, 2.5 parts sodium chloride, 18 parts sodium fatty alcohol polyoxyethylene ether sulfate, 73.92 parts deionized water.

The preparation method of the lavender extract is:

S1, the lavender stem is washed, dried, and pulverized to 80 meshes to obtain lavender stem powder;

S2, adding lavender stem powder to deionized water, carrying out steam distillation to obtain oil-water mixture, and separating water phase;

S3. Put the water phase into the freezer, quickly freeze, quickly reduce the temperature of the freezer to -40°C, start the vacuum pump, and evacuate the freeze-drying box to 48Pa, and keep it at this temperature and vacuum for 60min;

S4. Adjust the temperature of the freeze-drying box to -20°C, the vacuum degree is 30Pa, and keep it for 55min; the temperature of the freeze-drying box is raised to 0°C, the vacuum degree is adjusted to 25Pa, and kept for 50min; then the temperature of the freeze-drying box is adjusted to 15°C, and the vacuum degree is Adjusted to 20Pa, maintained for 80min, and finally, freeze-drying was completed when the vacuum degree returned to atmospheric pressure, and pulverized to 150 mesh to obtain lavender extract.

The weight ratio of lavender stem powder and deionized water in the S2 is 1:9.

The preparation method of the rosemary extract is:

S11. Wash rosemary, dry, and pulverize to 60 mesh to obtain rosemary powder;

S12. Mix the rosemary powder, the crushed product for breaking fine bubbles, and deionized water according to a weight ratio of 100:2:400, and react at 70° C. for 4 hours to obtain a mixture;

S13, adding the mixture to a microwave extraction device, adding 3 times the weight of a 70wt% ethanol solution to the mixture, heating to 65° C., and extracting for 15 min under a microwave power of 700 W to obtain an extract;

S14. Concentrate the extract to a water content of 12%, adjust the pH to 4.8, apply 1BV/h to the macroporous adsorption resin, the elution rate is 2BV/h, wash with deionized water for 1.5BV, wash with 70wt% ethanol solution for 2BV, and collect Ethanol washing solution and drying to obtain rosemary extract.

The disrupted product for cell disruption is composed of cellulase, pectinase, and CTAB in a weight ratio of 1:1:0.4.

The macroporous adsorption resin is HPD-600.

The preparation method of described lavender hand cleaning liquid, comprises the following steps:

(1) Heat deionized water to 85°C, add fatty alcohol polyoxyethylene ether sodium sulfate, disodium EDTA, and citric acid, and stir evenly;

(2) add coconut oil fatty acid diethanolamide, stir;

(3) Cooling to 45° C., adding citric acid, pigment, DMDM hydantoin, rosemary extract, lavender extract, sodium chloride, and stirring evenly to obtain a lavender hand sanitizer.

Example 2

A lavender hand cleaning solution, the lavender hand cleaning solution is made from the following raw materials in parts by weight: 0.03 part of disodium EDTA, 0.04 part of citric acid, 0.02 part of pigment, 0.2 part of DMDM hydantoin, 0.8 parts rosemary extract, 0.8 parts lavender extract, 1 part coconut oil fatty acid diethanolamide, 1.8 parts sodium chloride, 16 parts sodium fatty alcohol polyoxyethylene ether sulfate, 65 parts deionized water.

The preparation method of the lavender extract is:

S1, the lavender stem is washed, dried, and pulverized to 80 meshes to obtain lavender stem powder;

S2, adding lavender stem powder to deionized water, carrying out steam distillation to obtain oil-water mixture, and separating water phase;

S3. Put the water phase into the freezer, quickly freeze, quickly reduce the temperature of the freezer to -40°C, start the vacuum pump, and evacuate the freeze-drying box to 48Pa, and keep it at this temperature and vacuum for 60min;

S4. Adjust the temperature of the freeze-drying box to -20°C, the vacuum degree is 30Pa, and keep it for 55min; the temperature of the freeze-drying box is raised to 0°C, the vacuum degree is adjusted to 25Pa, and kept for 50min; then the temperature of the freeze-drying box is adjusted to 15°C, and the vacuum degree is Adjusted to 20Pa, maintained for 80min, and finally, freeze-drying was completed when the vacuum degree returned to atmospheric pressure, and pulverized to 150 mesh to obtain lavender extract.

The weight ratio of lavender stem powder and deionized water in the S2 is 1:9.

The preparation method of the rosemary extract is:

S11. Wash rosemary, dry, and pulverize to 60 mesh to obtain rosemary powder;

S12. Mix the rosemary powder, the crushed product for breaking fine bubbles, and deionized water according to a weight ratio of 100:2:400, and react at 70° C. for 4 hours to obtain a mixture;

S13, adding the mixture to a microwave extraction device, adding 3 times the weight of a 70wt% ethanol solution to the mixture, heating to 65° C., and extracting for 15 min under a microwave power of 700 W to obtain an extract;

S14. Concentrate the extract to a water content of 12%, adjust the pH to 4.8, apply 1BV/h to the macroporous adsorption resin, the elution rate is 2BV/h, wash with deionized water for 1.5BV, wash with 70wt% ethanol solution for 2BV, and collect Ethanol washing solution and drying to obtain rosemary extract.

The disrupted product for cell disruption is composed of cellulase, pectinase, and CTAB in a weight ratio of 1:1:0.4.

The macroporous adsorption resin is HPD-600.

The preparation method of described lavender hand cleaning liquid, comprises the following steps:

(1) Heat deionized water to 85°C, add fatty alcohol polyoxyethylene ether sodium sulfate, disodium EDTA, and citric acid, and stir evenly;

(2) add coconut oil fatty acid diethanolamide, stir;

(3) Cooling to 45° C., adding citric acid, pigment, DMDM hydantoin, rosemary extract, lavender extract, sodium chloride, and stirring evenly to obtain a lavender hand sanitizer.

Example 3

A lavender hand cleaning solution, the lavender hand cleaning solution is made from the following raw materials in parts by weight: 0.08 part of disodium EDTA, 0.1 part of citric acid, 0.1 part of pigment, 0.6 part of DMDM hydantoin, 1.2 parts rosemary extract, 1.2 parts lavender extract, 3 parts coconut oil fatty acid diethanolamide, 2 parts sodium chloride, 20 parts sodium fatty alcohol polyoxyethylene ether sulfate, 75 parts deionized water.

The preparation method of the lavender extract is:

S1, the lavender stem is washed, dried, and pulverized to 80 meshes to obtain lavender stem powder;

S2, adding lavender stem powder to deionized water, carrying out steam distillation to obtain oil-water mixture, and separating water phase;

S3. Put the water phase into the freezer, quickly freeze, quickly reduce the temperature of the freezer to -40°C, start the vacuum pump, and evacuate the freeze-drying box to 48Pa, and keep it at this temperature and vacuum for 60min;

S4. Adjust the temperature of the freeze-drying box to -20°C, the vacuum degree is 30Pa, and keep it for 55min; the temperature of the freeze-drying box is raised to 0°C, the vacuum degree is adjusted to 25Pa, and kept for 50min; then the temperature of the freeze-drying box is adjusted to 15°C, and the vacuum degree is Adjusted to 20Pa, maintained for 80min, and finally, freeze-drying was completed when the vacuum degree returned to atmospheric pressure, and pulverized to 150 mesh to obtain lavender extract.

The weight ratio of lavender stem powder and deionized water in the S2 is 1:9.

The preparation method of the rosemary extract is:

S11. Wash rosemary, dry, and pulverize to 60 mesh to obtain rosemary powder;

S12. Mix the rosemary powder, the crushed product for breaking fine bubbles, and deionized water according to a weight ratio of 100:2:400, and react at 70° C. for 4 hours to obtain a mixture;

S13, adding the mixture to a microwave extraction device, adding 3 times the weight of a 70wt% ethanol solution to the mixture, heating to 65° C., and extracting for 15 min under a microwave power of 700 W to obtain an extract;

S14. Concentrate the extract to a water content of 12%, adjust the pH to 4.8, apply 1BV/h to the macroporous adsorption resin, the elution rate is 2BV/h, wash with deionized water for 1.5BV, wash with 70wt% ethanol solution for 2BV, and collect Ethanol washing solution and drying to obtain rosemary extract.

The disrupted product for cell disruption is composed of cellulase, pectinase, and CTAB in a weight ratio of 1:1:0.4.

The macroporous adsorption resin is HPD-600.

The preparation method of described lavender hand cleaning liquid, comprises the following steps:

(1) Heat deionized water to 85°C, add fatty alcohol polyoxyethylene ether sodium sulfate, disodium EDTA, and citric acid, and stir evenly;

(2) add coconut oil fatty acid diethanolamide, stir;

(3) Cooling to 45° C., adding citric acid, pigment, DMDM hydantoin, rosemary extract, lavender extract, sodium chloride, and stirring evenly to obtain a lavender hand sanitizer.

Example 4

A lavender hand sanitizer, characterized in that it is made from the following raw materials in parts by weight: 0.06 part of disodium EDTA, 0.05 part of citric acid, 0.08 part of pigment, 0.4 part of DMDM hydantoin, 1.6 part of hydantoin Marigold Extract, 1.6 Parts Lavender Extract, 2.5 Parts Coconut Oil Fatty Acid Diethanolamide, 2.4 Parts Sodium Chloride, 18 Parts Sodium Fatty Alcohol Ethoxylate Sulfate, 75 Parts Deionized Water.

The preparation method of the lavender extract is:

S1, the lavender stem is washed, dried, and pulverized to 80 meshes to obtain lavender stem powder;

S2, adding lavender stem powder to deionized water, carrying out steam distillation to obtain oil-water mixture, and separating water phase;

S3, put the water phase into the freezer, quickly freeze, quickly reduce the temperature of the freezer to -40°C, start the vacuum pump, and evacuate the freeze-drying box to 48Pa, and keep it at this temperature and vacuum for 60min;

S4. Adjust the temperature of the freeze-drying box to -20°C, the vacuum degree is 30Pa, and keep it for 55min; the temperature of the freeze-drying box is raised to 0°C, the vacuum degree is adjusted to 25Pa, and kept for 50min; then the temperature of the freeze-drying box is adjusted to 15°C, and the vacuum degree is Adjusted to 20Pa, maintained for 80min, and finally, freeze-drying was completed when the vacuum degree returned to atmospheric pressure, and pulverized to 150 mesh to obtain lavender extract.

The weight ratio of lavender stem powder and deionized water in the S2 is 1:9.

The preparation method of the rosemary extract is:

S11. Wash rosemary, dry, and pulverize to 60 mesh to obtain rosemary powder;

S12. Mix the rosemary powder, the crushed product for breaking fine bubbles, and deionized water according to a weight ratio of 100:2:400, and react at 70° C. for 4 hours to obtain a mixture;

S13, adding the mixture to a microwave extraction device, adding 3 times the weight of a 70wt% ethanol solution to the mixture, heating to 65° C., and extracting for 15 min under a microwave power of 700 W to obtain an extract;

S14. Concentrate the extract to a water content of 12%, adjust the pH to 4.8, apply 1BV/h to the macroporous adsorption resin, the elution rate is 2BV/h, wash with deionized water for 1.5BV, wash with 70wt% ethanol solution for 2BV, and collect Ethanol washing solution and drying to obtain rosemary extract.

The disrupted product for cell disruption is composed of cellulase, pectinase, and CTAB in a weight ratio of 1:1:0.4.

The macroporous adsorption resin is HPD-600.

The preparation method of described lavender hand cleaning liquid, comprises the following steps:

(1) Heat deionized water to 85°C, add fatty alcohol polyoxyethylene ether sodium sulfate, disodium EDTA, and citric acid, and stir evenly;

(2) add coconut oil fatty acid diethanolamide, stir;

(3) Cool down to 45°C, add citric acid, pigment, DMDM hydantoin, rosemary extract, lavender extract, sodium chloride, and stir evenly to obtain a lavender hand sanitizer.

Comparative Example 1

The difference between Comparative Example 1 and Example 1 is that Comparative Example 1 does not contain the lavender extract, and the others are the same.

Comparative Example 2

The difference between Comparative Example 2 and Example 1 is that the preparation method of the lavender extract described in Comparative Example 2 is different from that of Example 1, and the others are the same.

The preparation method of the lavender extract is:

S1, the lavender stem is washed, dried, and pulverized to 80 meshes to obtain lavender stem powder;

S2, adding lavender stem powder to deionized water, carrying out steam distillation to obtain oil-water mixture, and separating water phase;

S3, drying the aqueous phase in a constant temperature drying oven at 85°C to obtain a lavender extract.

The weight ratio of lavender stem powder and deionized water in the S2 is 1:9.

Comparative Example 3

The difference between Comparative Example 3 and Example 1 is that the lavender extract described in Comparative Example 3 is commercially available, and the lavender extract described in this comparative example was purchased from Yangling Ciyuan Biotechnology Co., Ltd., and others are the same.

Comparative Example 4

The difference between Comparative Example 4 and Example 1 is that Comparative Example 4 does not contain the rosemary extract, and the others are the same.

Comparative Example 5

The difference between Comparative Example 5 and Example 1 is that the preparation method of the rosemary extract described in Comparative Example 5 is different from that of Example 1, and the others are the same.

The preparation method of the rosemary extract is:

S11. Wash rosemary, dry, and pulverize to 60 mesh to obtain rosemary powder;

S12. Mix the rosemary powder, the crushed product for breaking fine bubbles, and deionized water according to a weight ratio of 100:2:400, and react at 70° C. for 4 hours to obtain a mixture;

S13, adding the mixture to a microwave extraction device, adding 3 times the weight of a 70wt% ethanol solution to the mixture, heating to 65° C., and extracting for 15 min under a microwave power of 700 W to obtain an extract;

S14, drying the extract to obtain rosemary extract.

The disrupted product for cell disruption is composed of cellulase, pectinase, and CTAB in a weight ratio of 1:1:0.4.

Comparative Example 6

The difference between Comparative Example 6 and Example 1 is that the preparation method of the rosemary extract described in Comparative Example 6 is different from that of Example 1, and the others are the same.

The preparation method of the rosemary extract is:

S11. Wash rosemary, dry, and pulverize to 60 mesh to obtain rosemary powder;

S12. Mix the rosemary powder, the crushed product for breaking fine bubbles, and deionized water according to a weight ratio of 100:2:400, and react at 70° C. for 4 hours to obtain a mixture;

S13, adding the mixture to a microwave extraction device, adding a 70wt% ethanol solution of 3 times the weight of the mixture, heating to 65° C., and extracting for 15 minutes at a microwave power of 700W to obtain an extract;

S14. Concentrate the extract to a water content of 12%, adjust the pH to 4.8, apply 1BV/h to the macroporous adsorption resin, the elution rate is 2BV/h, wash with deionized water for 1.5BV, wash with 70wt% ethanol solution for 2BV, and collect Ethanol washing solution and drying to obtain rosemary extract.

The disrupted product for cell disruption is composed of cellulase and pectinase in a weight ratio of 1:1.

The macroporous adsorption resin is HPD-600.

In order to further prove the effect of the present invention, the following test methods are provided:

1. According to the industry standard QB/T2850-2007 antibacterial and antibacterial detergent, the antibacterial effect test was carried out. The concentration of action was 1wt%, and the action time was 20 minutes. The test strain was Staphylococcusaureus ATCC. 6538, Escherichia coli 8099, the test results are shown in Table 1.

Table 1 Antibacterial test

As can be seen from Table 1, the lavender hand cleaning solution of the present invention has good antibacterial effect.

Comparing Examples 1 to 4, it can be seen that the proportions of different lavender hand cleaning solutions can affect the antibacterial effect of the cleaning solution, and Example 1 is the best proportion and has the best antibacterial effect.

Comparing Example 1 with Comparative Example 1, it can be seen that the lavender extract of the present invention can significantly improve the antibacterial effect of the cleaning solution.

Comparing Example 1 and Comparative Example 2, it can be seen that the vacuum freeze-drying method of the present invention in the preparation method of the lavender extract can improve the antibacterial effect more than drying in a constant temperature drying oven.

Comparing Example 1 and Comparative Example 3, it can be seen that the lavender extract prepared by the present invention can improve the antibacterial effect more than the commercially available lavender extract.

Comparing Example 1 and Comparative Example 4, it can be seen that the rosemary extract of the present invention can significantly improve the antibacterial effect.

Comparing Example 1 with Comparative Examples 5 and 6, it can be seen that when the rosemary extract is different from Example 1, the antibacterial effect will be significantly reduced.

Taking the above ideal embodiments according to the present invention as inspiration, and through the above descriptions, relevant personnel can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the contents of the specification, and the technical scope must be determined according to the scope of the claims.

Claims (7)

1. The lavender hand cleaning solution is characterized by being prepared from the following raw materials in parts by weight: 0.03-0.08 part of disodium ethylene diamine tetraacetate, 0.04-0.1 part of citric acid, 0.02-0.1 part of pigment, 0.2-0.6 part of DMDM hydantoin, 0.8-2 parts of rosemary extract, 0.8-2 parts of lavender extract, 1-3 parts of coconut oil fatty acid diethanolamide, 1.8-3 parts of sodium chloride, 16-20 parts of fatty alcohol polyoxyethylene ether sodium sulfate and 65-75 parts of deionized water;

the preparation method of the lavender extract comprises the following steps:

s1, washing lavender stems, drying, and crushing to 60-100 meshes to obtain lavender stem powder;

s2, adding lavender stem powder into deionized water, carrying out steam distillation to obtain an oil-water mixture, and separating a water phase;

s3, putting the water phase into a freeze-drying box, quickly freezing, quickly reducing the temperature of the freeze-drying box to-45 to-35 ℃, starting a vacuum pump, vacuumizing the freeze-drying box to 40 to 50Pa, and keeping the temperature and the vacuum degree for 40 to 70min;

s4, adjusting the temperature of the freeze-drying box to-25 to-15 ℃, keeping the vacuum degree at 25 to 35Pa, and keeping the temperature for 40 to 70min; the temperature of the freeze-drying box is raised to-5 to 5 ℃, the vacuum degree is adjusted to 20 to 30Pa, and the freeze-drying box is kept for 40 to 70min; and then adjusting the temperature of a freeze-drying box to be 10-20 ℃, adjusting the vacuum degree to be 15-25 Pa, keeping the vacuum degree for 60-100 min, finally, ending freeze-drying when the vacuum degree is restored to the atmospheric pressure, and crushing the mixture to be 100-200 meshes to obtain the lavender extract.

2. The lavender hand cleaning solution according to claim 1, wherein the lavender hand cleaning solution is prepared from the following raw materials in parts by weight: 0.04-0.08 part of disodium ethylene diamine tetraacetate, 0.05-0.1 part of citric acid, 0.03-0.1 part of pigment, 0.2-0.5 part of DMDM hydantoin, 1-2 parts of rosemary extract, 1-2 parts of lavender extract, 1.5-3 parts of coconut oil fatty acid diethanolamide, 2-3 parts of sodium chloride, 16-19 parts of fatty alcohol polyoxyethylene ether sodium sulfate and 70-75 parts of deionized water.

3. The lavender hand cleaning liquid according to claim 1, wherein the lavender hand cleaning liquid is prepared from the following raw materials in parts by weight: 0.05 part of disodium ethylene diamine tetraacetate, 0.06 part of citric acid, 0.07 part of pigment, 0.4 part of DMDM hydantoin, 1.5 parts of rosemary extract, 1.5 parts of lavender extract, 2 parts of coconut oil fatty acid diethanolamide, 2.5 parts of sodium chloride, 18 parts of fatty alcohol polyoxyethylene ether sodium sulfate and 73.92 parts of deionized water.

4. The lavender hand cleaning solution of claim 1, wherein the weight ratio of lavender stalk powder to deionized water in S2 is 1:6 to 10.

5. The lavender hand cleaning liquid of claim 1, wherein the rosemary extract is prepared by the method comprising:

s11, cleaning rosemary, drying and crushing to obtain rosemary powder;

s12, mixing rosemary powder, a crushed material for cell crushing and deionized water according to the weight ratio of 100:1 to 3:300 to 600, reacting for 2 to 5 hours at a temperature of between 60 and 75 ℃ to obtain a mixture;

s13, adding the mixture into a microwave extraction device, adding 2-4 times of 60-80 wt% ethanol solution of the mixture, heating to 60-70 ℃, and extracting for 12-18 min under the microwave power of 500-800W to obtain an extracting solution;

s14, concentrating the extracting solution until the water content is 10-20%, adjusting the pH value to 4.6-5, loading the extracting solution on macroporous adsorption resin at the rate of 0.8-1.2 BV/h, washing the extracting solution by deionized water at the rate of 1.5-2.5 BV/h, washing the extracting solution by 60-80 wt% ethanol solution at the rate of 1.5-3 BV, collecting ethanol washing solution, and drying to obtain rosemary extract;

the crushed material for cell crushing is prepared from cellulase, pectinase and CTAB according to the weight ratio of 1:0.8 to 2: 0.2-0.5.

6. The lavender hand cleansing liquid of claim 5, wherein S11 is pulverized to 50-80 mesh.

7. The lavender hand cleaning solution of claim 5, wherein the macroporous adsorbent resin is HPD-600.