Children mosquito-repellent floral water extracted from plants and preparation method of children mosquito-repellent floral water

By adding licorice and Rhodiola extract to traditional flower dew water and combining with the treatment method of ethanol solution, the existing mosquito repellent rate of flower dew water is solved, effective mosquito defense effect is achieved, simplified the component system and applied for the first time Rhodiola extract.

CN119302889APending Publication Date: 2025-01-14HUNAN FENGYUE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202411611170.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-01-14

AI Technical Summary

Technical Problem

The current mosquito repellent rate of mosquito repellent water is less than 40%, which cannot effectively prevent mosquito bites.

Method used

Licorice extract and Rhodiola extract were added to traditional flower dew water, prepared by sonication and microwave extraction, combined with 75% ethanol solution, to form children's mosquito repellent flower dew water extracted from plants.

Benefits of technology

It has achieved good mosquito repellent effects and simplified the component system. The raw materials such as glycerin, vaseline, beeswax and other materials act as cold or additives. Rhodiola extract was used in flower dew for the first time and significantly improved the mosquito repellent performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses plant-extracted mosquito-repellent floral water for children and a preparation method of the plant-extracted mosquito-repellent floral water, and belongs to the technical field of daily products. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 40 to 60 parts of ethanol, 2 to 10 parts of liquorice root extract, 2 to 8 parts of herba rhodiolae extract, 2 to 6 parts of glycerol, 0.5 to 1.0 part of vaseline, 0.5 to 1.0 part of beewax, 0.2 to 0.6 part of menthol, 0.05 to 0.1 part of borneol and 60 to 80 parts of pure water. The preparation method comprises the following steps: purchasing and preparing the raw materials, and sealing the raw materials in a barrel for later use; uniformly adding the raw materials into a feed liquid tank, controlling the temperature to be 25 DEG C, and continuously performing sterile stirring; and canning the stirred feed liquid in a sterile manner. Tests show that the mosquito-repellent incense has a good mosquito-repellent effect.
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Description

Technical Field

[0001] The invention belongs to the technical field of daily products, and in particular relates to a plant-extracted children's mosquito repellent floral water and a preparation method thereof. Background Art

[0002] Traditional mosquito repellent floral water is a perfume product made by adding an appropriate amount of mosquito repellent to ordinary floral water. It is used to repel mosquitoes, relieve prickly heat and itching, and make the skin refreshing and comfortable. There are two common repellents, DEET and picolinate. DEET or picolinate is a hygienic pesticide ingredient and is a slightly toxic product.

[0003] For example, the invention patent with patent number CN104434697B discloses a solid floral water that repels mosquitoes, relieves itching, and protects the skin and calms the nerves, and its preparation method, and its technical scheme is as follows: "A solid floral water that repels mosquitoes, relieves itching, and protects the skin and calms the nerves, the solid floral water contains the following substances and their contents:

[0004] Coconut oil 0.4-1.6g

[0005] Cetostearyl alcohol 0.6-1.8g

[0006] Beeswax 0.1-1.0g

[0007] Wheat germ oil 0.1-1.1g

[0008] Hexadecyl isocetyl ester 0.2-1.2g

[0009] Snake oil 0.1-1.0g

[0010] Sweet almond oil 0.1-1.0g

[0011] Lavender infused oil 0.5-2.0g

[0012] Peppermint oil 0.05-0.25ml

[0013] Medical Vaseline 0.02-1.0g

[0014] Eucalyptus oil 0.05-0.25ml

[0015] Turpentine 0.05-0.25ml

[0016] Borneol 0.01-0.06g

[0017] Menthol 0.01-0.05g

[0018] Rosemary infused oil 0.05-0.25ml

[0019] Fragrance 0.05-0.25ml

[0020] 1-3ml of anhydrous ethanol.

[0021] According to different people's different needs for fragrance, the essence can be one or more of osmanthus essence, rose essence, peach essence, cucumber essence, lily essence, pineapple essence, and lemon essence.

[0022] The method for preparing the solid floral water which can repel mosquitoes, relieve itching, protect skin and soothe nerves comprises the following steps:

[0023] Step 1: weigh 0.4-1.6g of coconut oil, 0.6-1.8g of cetostearyl alcohol, 0.1-1.0g of beeswax, 0.1-1.1g of wheat germ oil, 0.2-1.2g of cetyl isocetyl ester, 0.1-1.0g of snake oil, 0.1-1.0g of sweet almond oil, 0.5-2.0g of lavender soaked oil, 0.05-0.25ml of eucalyptus oil, 0.05-0.25ml of turpentine, 0.02-1.0g of medical vaseline, and 0.05-0.25ml of rosemary soaked oil, and melt them in a 60-90°C water bath;

[0024] Step 2: Dissolve 0.01-0.06 g of borneol and 0.01-0.05 g of menthol in 1-3 ml of anhydrous ethanol to obtain solution A;

[0025] Step 3: After it melts into a clear and transparent liquid, take it out of the water bath, add 0.05-0.25ml of peppermint oil, 0.05-0.25ml of essence, and solution A, stir to mix evenly, and finally pour it into a box to cool and solidify.

[0026] The lavender soaked oil is prepared by the following method: taking dried lavender flowers, putting them into a wide-mouth bottle, adding 10-14 times of camellia oil to completely immerse them, covering it, soaking it for 5-30 hours, then placing it in an ultrasonic instrument at 40-60°C for ultrasonic extraction for 20-60 minutes, filtering it with double-layer gauze, and taking the filtrate. Preferably, 12 times of camellia oil is added to completely immerse it.

[0027] The rosemary soaked oil is prepared by the following method: taking rosemary dry leaves, putting them into a wide-mouth bottle, adding 10-14 times of camellia oil to completely immerse them, soaking them overnight, then extracting them in a 40-60°C ultrasonic instrument for 20-60 minutes, filtering them with double-layer gauze, and taking the filtrate. It is preferred to add 12 times of camellia oil to completely immerse them. However, the above technical solutions were tested and the mosquito repellent rate was less than 40%. Summary of the invention

[0028] 1. Problems to be solved

[0029] In view of the problems existing in the above-mentioned prior art, the present invention provides a plant-extracted children's mosquito repellent floral water and a preparation method thereof, which has been tested to have a good mosquito repellent effect.

[0030] 2. Technical solution

[0031] To solve the above problems, the present invention adopts the following technical solutions.

[0032] A plant-extracted mosquito repellent floral water for children, comprising the following raw materials in parts by weight:

[0033]

[0034] The plant-extracted children's mosquito repellent floral water mentioned above comprises the following raw materials in parts by weight:

[0035]

[0036] The plant-extracted children's mosquito repellent floral water mentioned above comprises the following raw materials in parts by weight:

[0037]

[0038] In the above-mentioned plant-extracted mosquito repellent floral water for children, the ethanol is an ethanol solution with a volume fraction of 75%. It should be noted that conventional medical alcohol can also be used as a substitute.

[0039] In the above-mentioned plant-extracted mosquito repellent floral water for children, the borneol is 2-borneol.

[0040] The preparation method of the plant-extracted children's mosquito repellent floral water and the licorice extract is as follows:

[0041] The dried Glycyrrhiza uralensis root was shaken to remove the dust on the surface, crushed with a grinder, passed through a 200-mesh sieve and sealed for storage;

[0042] Next, weigh Glycyrrhiza inflata and mix with anhydrous ethanol in a ratio of 1:3, and adjust the pH value to 6.0 with hydrochloric acid or sodium hydroxide;

[0043] Then, ultrasonic treatment was performed, with an ultrasonic power of 600 W, an ultrasonic extraction time of 30 min, and an ultrasonic temperature of 60 °C;

[0044] Finally, after ultrasonic treatment, let the ultrasonic liquid stand, take the supernatant and centrifuge it at 8000r / min for 5min, and pass it through a 0.45μm membrane.

[0045] The preparation method of the plant-extracted children's mosquito repellent floral water and the Rhodiola rosea extract is as follows:

[0046] Weigh the dried Rhodiola rosea, add ten times the mass of 50% ethanol aqueous solution, and adjust the pH value of the ethanol aqueous solution to 4, soak at 40°C for 6 hours, then use microwave extraction, control the time to 6 minutes, power to 400W, temperature to 45°C, finally, centrifuge at 6000r / min, 4°C, for 20 minutes, and freeze-dry.

[0047] A method for preparing a plant-extracted mosquito repellent floral water for children,

[0048] The following steps are involved:

[0049] Purchase and prepare the above raw materials, store them in sealed barrels and keep them ready for use;

[0050] Add all raw materials into the liquid tank, control the temperature at 25°C and stir continuously under sterile conditions;

[0051] The stirred liquid is aseptically bottled.

[0052] 3. Beneficial effects

[0053] Compared with the prior art, the present invention has the following beneficial effects:

[0054] For this application, we only add two Chinese herbal ingredients to the traditional floral water to achieve effective mosquito repellent, and the ingredients such as glycerin, vaseline, beeswax, borneol, etc. only play a cooling or auxiliary role. It can be seen that the entire component system is simple and effective, which can be fully seen through the above tests. In addition, it is also the first time that Rhodiola rosea extract has been used in floral water. DETAILED DESCRIPTION

[0055] The present invention is further described below in conjunction with specific embodiments.

[0056] Example 1

[0057] The plant-extracted mosquito repellent floral water for children comprises the following raw materials in parts by weight:

[0058]

[0059] In the above-mentioned plant-extracted mosquito repellent floral water for children, the ethanol is an ethanol solution with a volume fraction of 75%. It should be noted that conventional medical alcohol can also be used as a substitute.

[0060] In the above-mentioned plant-extracted mosquito repellent floral water for children, the borneol is 2-borneol.

[0061] The preparation method of the plant-extracted children's mosquito repellent floral water and the licorice extract is as follows:

[0062] The dried Glycyrrhiza uralensis root was shaken to remove the dust on the surface, crushed with a grinder, passed through a 200-mesh sieve and sealed for storage;

[0063] Next, weigh Glycyrrhiza inflata and mix with anhydrous ethanol in a ratio of 1:3, and adjust the pH value to 6.0 with hydrochloric acid or sodium hydroxide;

[0064] Then, ultrasonic treatment was performed, with an ultrasonic power of 600 W, an ultrasonic extraction time of 30 min, and an ultrasonic temperature of 60 °C;

[0065] Finally, after ultrasonic treatment, let the ultrasonic liquid stand, take the supernatant and centrifuge it at 8000r / min for 5min, and pass it through a 0.45μm membrane.

[0066] The preparation method of the plant-extracted children's mosquito repellent floral water and the Rhodiola rosea extract is as follows:

[0067] Weigh the dried Rhodiola rosea, add ten times the mass of 50% ethanol aqueous solution, and adjust the pH value of the ethanol aqueous solution to 4, soak at 40°C for 6 hours, then use microwave extraction, control the time to 6 minutes, power to 400W, temperature to 45°C, finally, centrifuge at 6000r / min, 4°C, for 20 minutes, and freeze-dry.

[0068] Preparation method of children's mosquito repellent floral water extracted from plants,

[0069] The following steps are involved:

[0070] Purchase and prepare the above raw materials, store them in sealed barrels and keep them ready for use;

[0071] Add all raw materials into the liquid tank, control the temperature at 25°C and stir continuously under sterile conditions;

[0072] The stirred liquid is aseptically bottled.

[0073] Example 2

[0074] The plant-extracted mosquito repellent floral water for children comprises the following raw materials in parts by weight:

[0075]

[0076] In the above-mentioned plant-extracted mosquito repellent floral water for children, the ethanol is an ethanol solution with a volume fraction of 75%. It should be noted that conventional medical alcohol can also be used as a substitute.

[0077] In the above-mentioned plant-extracted mosquito repellent floral water for children, the borneol is 2-borneol.

[0078] The preparation method of the plant-extracted children's mosquito repellent floral water and the licorice extract is as follows:

[0079] The dried Glycyrrhiza uralensis root was shaken to remove the dust on the surface, crushed with a grinder, passed through a 200-mesh sieve and sealed for storage;

[0080] Next, weigh Glycyrrhiza inflata and mix with anhydrous ethanol in a ratio of 1:3, and adjust the pH value to 6.0 with hydrochloric acid or sodium hydroxide;

[0081] Then, ultrasonic treatment was performed, with an ultrasonic power of 600 W, an ultrasonic extraction time of 30 min, and an ultrasonic temperature of 60 °C;

[0082] Finally, after ultrasonic treatment, let the ultrasonic liquid stand, take the supernatant and centrifuge it at 8000r / min for 5min, and pass it through a 0.45μm membrane.

[0083] The preparation method of the plant-extracted children's mosquito repellent floral water and the Rhodiola rosea extract is as follows:

[0084] Weigh the dried Rhodiola rosea, add ten times the mass of 50% ethanol aqueous solution, and adjust the pH value of the ethanol aqueous solution to 4, soak at 40°C for 6 hours, then use microwave extraction, control the time to 6 minutes, power to 400W, temperature to 45°C, finally, centrifuge at 6000r / min, 4°C, for 20 minutes, and freeze-dry.

[0085] Preparation method of children's mosquito repellent floral water extracted from plants,

[0086] The following steps are involved:

[0087] Purchase and prepare the above raw materials, store them in sealed barrels and keep them ready for use;

[0088] Add all raw materials into the liquid tank, control the temperature at 25°C and stir continuously under sterile conditions;

[0089] The stirred liquid is aseptically bottled.

[0090] Example 3

[0091] The plant-extracted mosquito repellent floral water for children comprises the following raw materials in parts by weight:

[0092]

[0093] In the above-mentioned plant-extracted mosquito repellent floral water for children, the ethanol is an ethanol solution with a volume fraction of 75%. It should be noted that conventional medical alcohol can also be used as a substitute.

[0094] In the above-mentioned plant-extracted mosquito repellent floral water for children, the borneol is 2-borneol.

[0095] The preparation method of the plant-extracted children's mosquito repellent floral water and the licorice extract is as follows:

[0096] The dried Glycyrrhiza uralensis root was shaken to remove the dust on the surface, crushed with a grinder, passed through a 200-mesh sieve and sealed for storage;

[0097] Next, weigh Glycyrrhiza inflata and mix with anhydrous ethanol in a ratio of 1:3, and adjust the pH value to 6.0 with hydrochloric acid or sodium hydroxide;

[0098] Then, ultrasonic treatment was performed, with an ultrasonic power of 600 W, an ultrasonic extraction time of 30 min, and an ultrasonic temperature of 60 °C;

[0099] Finally, after ultrasonic treatment, let the ultrasonic liquid stand, take the supernatant and centrifuge it at 8000r / min for 5min, and pass it through a 0.45μm membrane.

[0100] The preparation method of the plant-extracted children's mosquito repellent floral water and the Rhodiola rosea extract is as follows:

[0101] Weigh the dried Rhodiola rosea, add ten times the mass of 50% ethanol aqueous solution, and adjust the pH value of the ethanol aqueous solution to 4, soak at 40°C for 6 hours, then use microwave extraction, control the time to 6 minutes, power to 400W, temperature to 45°C, finally, centrifuge at 6000r / min, 4°C, for 20 minutes, and freeze-dry.

[0102] Preparation method of children's mosquito repellent floral water extracted from plants,

[0103] The following steps are involved:

[0104] Purchase and prepare the above raw materials, store them in sealed barrels and keep them ready for use;

[0105] Add all raw materials into the liquid tank, control the temperature at 25°C and stir continuously under sterile conditions;

[0106] The stirred liquid is aseptically bottled.

[0107] Example 4

[0108] The plant-extracted mosquito repellent floral water for children comprises the following raw materials in parts by weight:

[0109]

[0110] In the above-mentioned plant-extracted mosquito repellent floral water for children, the ethanol is an ethanol solution with a volume fraction of 75%. It should be noted that conventional medical alcohol can also be used as a substitute.

[0111] In the above-mentioned plant-extracted mosquito repellent floral water for children, the borneol is 2-borneol.

[0112] The preparation method of the plant-extracted children's mosquito repellent floral water and the licorice extract is as follows:

[0113] The dried Glycyrrhiza uralensis root was shaken to remove the dust on the surface, crushed with a grinder, passed through a 200-mesh sieve and sealed for storage;

[0114] Next, weigh Glycyrrhiza inflata and mix with anhydrous ethanol in a ratio of 1:3, and adjust the pH value to 6.0 with hydrochloric acid or sodium hydroxide;

[0115] Then, ultrasonic treatment was performed, with an ultrasonic power of 600 W, an ultrasonic extraction time of 30 min, and an ultrasonic temperature of 60 °C;

[0116] Finally, after ultrasonic treatment, let the ultrasonic liquid stand, take the supernatant and centrifuge it at 8000r / min for 5min, and pass it through a 0.45μm membrane.

[0117] The preparation method of the plant-extracted children's mosquito repellent floral water and the Rhodiola rosea extract is as follows:

[0118] Weigh the dried Rhodiola rosea, add ten times the mass of 50% ethanol aqueous solution, and adjust the pH value of the ethanol aqueous solution to 4, soak at 40°C for 6 hours, then use microwave extraction, control the time to 6 minutes, power to 400W, temperature to 45°C, finally, centrifuge at 6000r / min, 4°C, for 20 minutes, and freeze-dry.

[0119] Preparation method of children's mosquito repellent floral water extracted from plants,

[0120] The following steps are involved:

[0121] Purchase and prepare the above raw materials, store them in sealed barrels and keep them ready for use;

[0122] Add all raw materials into the liquid tank, control the temperature at 25°C and stir continuously under sterile conditions;

[0123] The stirred liquid is aseptically bottled.

[0124] Example 5

[0125] The plant-extracted mosquito repellent floral water for children comprises the following raw materials in parts by weight:

[0126]

[0127] In the above-mentioned plant-extracted mosquito repellent floral water for children, the ethanol is an ethanol solution with a volume fraction of 75%. It should be noted that conventional medical alcohol can also be used as a substitute.

[0128] In the above-mentioned plant-extracted mosquito repellent floral water for children, the borneol is 2-borneol.

[0129] The preparation method of the plant-extracted children's mosquito repellent floral water and the licorice extract is as follows:

[0130] The dried Glycyrrhiza uralensis root was shaken to remove the dust on the surface, crushed with a grinder, passed through a 200-mesh sieve and sealed for storage;

[0131] Next, weigh Glycyrrhiza inflata and mix with anhydrous ethanol in a ratio of 1:3, and adjust the pH value to 6.0 with hydrochloric acid or sodium hydroxide;

[0132] Then, ultrasonic treatment was performed, with an ultrasonic power of 600 W, an ultrasonic extraction time of 30 min, and an ultrasonic temperature of 60 °C;

[0133] Finally, after ultrasonic treatment, let the ultrasonic liquid stand, take the supernatant and centrifuge it at 8000r / min for 5min, and pass it through a 0.45μm membrane.

[0134] The preparation method of the plant-extracted children's mosquito repellent floral water and the Rhodiola rosea extract is as follows:

[0135] Weigh the dried Rhodiola rosea, add ten times the mass of 50% ethanol aqueous solution, and adjust the pH value of the ethanol aqueous solution to 4, soak at 40°C for 6 hours, then use microwave extraction, control the time to 6 minutes, power to 400W, temperature to 45°C, finally, centrifuge at 6000r / min, 4°C, for 20 minutes, and freeze-dry.

[0136] Preparation method of children's mosquito repellent floral water extracted from plants,

[0137] The following steps are involved:

[0138] Purchase and prepare the above raw materials, store them in sealed barrels and keep them ready for use;

[0139] Add all raw materials into the liquid tank, control the temperature at 25°C and stir continuously under sterile conditions;

[0140] The stirred liquid is aseptically bottled.

[0141] Comparative Example 1

[0142] The plant-extracted mosquito repellent floral water for children comprises the following raw materials in parts by weight:

[0143]

[0144] In the above-mentioned plant-extracted mosquito repellent floral water for children, the ethanol is an ethanol solution with a volume fraction of 75%. It should be noted that conventional medical alcohol can also be used as a substitute.

[0145] In the above-mentioned plant-extracted mosquito repellent floral water for children, the borneol is 2-borneol.

[0146] The preparation method of the plant-extracted children's mosquito repellent floral water and the licorice extract is as follows:

[0147] The dried Glycyrrhiza uralensis root was shaken to remove the dust on the surface, crushed with a grinder, passed through a 200-mesh sieve and sealed for storage;

[0148] Next, weigh Glycyrrhiza inflata and mix with anhydrous ethanol in a ratio of 1:3, and adjust the pH value to 6.0 with hydrochloric acid or sodium hydroxide;

[0149] Then, ultrasonic treatment was performed, with an ultrasonic power of 600 W, an ultrasonic extraction time of 30 min, and an ultrasonic temperature of 60 °C;

[0150] Finally, after ultrasonic treatment, let the ultrasonic liquid stand, take the supernatant and centrifuge it at 8000r / min for 5min, and pass it through a 0.45μm membrane.

[0151] The preparation method of the plant-extracted children's mosquito repellent floral water and the Rhodiola rosea extract is as follows:

[0152] Weigh the dried Rhodiola rosea, add ten times the mass of 50% ethanol aqueous solution, and adjust the pH value of the ethanol aqueous solution to 4, soak at 40°C for 6 hours, then use microwave extraction, control the time to 6 minutes, power to 400W, temperature to 45°C, finally, centrifuge at 6000r / min, 4°C, for 20 minutes, and freeze-dry.

[0153] Preparation method of children's mosquito repellent floral water extracted from plants,

[0154] The following steps are involved:

[0155] Purchase and prepare the above raw materials, store them in sealed barrels and keep them ready for use;

[0156] Add all raw materials into the liquid tank, control the temperature at 25°C and stir continuously under sterile conditions;

[0157] The stirred liquid is aseptically bottled.

[0158] Comparative Example 2

[0159] The plant-extracted mosquito repellent floral water for children comprises the following raw materials in parts by weight:

[0160]

[0161] In the above-mentioned plant-extracted mosquito repellent floral water for children, the ethanol is an ethanol solution with a volume fraction of 75%. It should be noted that conventional medical alcohol can also be used as a substitute.

[0162] In the above-mentioned plant-extracted mosquito repellent floral water for children, the borneol is 2-borneol.

[0163] The preparation method of the plant-extracted children's mosquito repellent floral water and the Rhodiola rosea extract is as follows:

[0164] Weigh the dried Rhodiola rosea, add ten times the mass of 50% ethanol aqueous solution, and adjust the pH value of the ethanol aqueous solution to 4, soak at 40°C for 6 hours, then use microwave extraction, control the time to 6 minutes, power to 400W, temperature to 45°C, finally, centrifuge at 6000r / min, 4°C, for 20 minutes, and freeze-dry.

[0165] Preparation method of children's mosquito repellent floral water extracted from plants,

[0166] The following steps are involved:

[0167] Purchase and prepare the above raw materials, store them in sealed barrels and keep them ready for use;

[0168] Add all raw materials into the liquid tank, control the temperature at 25°C and stir continuously under sterile conditions;

[0169] The stirred liquid is aseptically bottled.

[0170] Comparative Example 3

[0171] The plant-extracted mosquito repellent floral water for children comprises the following raw materials in parts by weight:

[0172]

[0173] In the above-mentioned plant-extracted mosquito repellent floral water for children, the ethanol is an ethanol solution with a volume fraction of 75%. It should be noted that conventional medical alcohol can also be used as a substitute.

[0174] In the above-mentioned plant-extracted mosquito repellent floral water for children, the borneol is 2-borneol.

[0175] The preparation method of the plant-extracted children's mosquito repellent floral water and the licorice extract is as follows:

[0176] The dried Glycyrrhiza uralensis root was shaken to remove the dust on the surface, crushed with a grinder, passed through a 200-mesh sieve and sealed for storage;

[0177] Next, weigh Glycyrrhiza inflata and mix with anhydrous ethanol in a ratio of 1:3, and adjust the pH value to 6.0 with hydrochloric acid or sodium hydroxide;

[0178] Then, ultrasonic treatment was performed, with an ultrasonic power of 600 W, an ultrasonic extraction time of 30 min, and an ultrasonic temperature of 60 °C;

[0179] Finally, after ultrasonic treatment, let the ultrasonic liquid stand, take the supernatant and centrifuge it at 8000r / min for 5min, and pass it through a 0.45μm membrane.

[0180] Preparation method of children's mosquito repellent floral water extracted from plants,

[0181] The following steps are involved:

[0182] Purchase and prepare the above raw materials, store them in sealed barrels and keep them ready for use;

[0183] Add all raw materials into the liquid tank, control the temperature at 25°C and stir continuously under sterile conditions;

[0184] The stirred liquid is aseptically bottled.

[0185] Test plan:

[0186] Preparation method of mosquito repellent patch: prepare floral water, take a 25mm×25mm blank mosquito repellent patch, add (0.5±0.05)g floral water, make several pieces, seal with aluminum plastic film packaging tape and store at room temperature for later use.

[0187] Mosquito cage bite method: Use a similar method to the national standard GB / T 13917.9-2009 for testing the efficacy of repellents. Expose an area of ​​4cm×4cm on the back of the hand, and cover the rest of the hand tightly. Apply the mosquito repellent patch 0.1-0.5cm away from the edge of the exposed skin, at the end of the wrist, and put the hand into a mosquito cage containing 50-100 Aedes albopictus mosquitoes. Observe the number of mosquitoes that land on the exposed skin to suck blood within 2 minutes. Treat the other hand in the same way, but do not apply the mosquito repellent patch, and do a blank test. The results are expressed as repellency rate.

[0188] Table 1 Test results

[0189]

[0190] As shown in Table 1, for this application, we only add two Chinese herbal ingredients to the traditional floral water ingredients to achieve effective mosquito repellent, and the ingredients such as glycerin, vaseline, beeswax, borneol, etc. only play a cooling or auxiliary role. It can be seen that the entire component system is simple and effective, which can be fully seen through the above tests. In addition, for Rhodiola rosea extract, it is also the first time to be used in floral water.

[0191] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as belonging to the protection scope determined by the claims submitted for the present invention.

Claims

1. A plant-extracted mosquito repellent floral water for children, characterized by: In parts by weight, the following raw materials are included:

2. The plant-extracted mosquito repellent floral water for children according to claim 1, characterized in that: In parts by weight, the following raw materials are included:

3. The plant-extracted mosquito repellent floral water for children according to claim 1, characterized in that: In parts by weight, the following raw materials are included:

4. The plant-extracted mosquito repellent floral water for children according to claim 3, characterized in that: The ethanol is an ethanol solution with a volume fraction of 75%.

5. The plant-extracted mosquito repellent floral water for children according to claim 4, characterized in that: The borneol is 2-borneol.

6. The plant-extracted mosquito repellent floral water for children according to claim 4, characterized in that: The preparation method of the licorice extract is as follows: The dried Glycyrrhiza uralensis root was shaken to remove the dust on the surface, crushed with a grinder, passed through a 200-mesh sieve and sealed for storage; Next, weigh Glycyrrhiza inflata and mix with anhydrous ethanol in a ratio of 1:3, and adjust the pH value to 6.0 with hydrochloric acid or sodium hydroxide; Then, ultrasonic treatment was performed, with an ultrasonic power of 600 W, an ultrasonic extraction time of 30 min, and an ultrasonic temperature of 60 °C; Finally, after ultrasonic treatment, let the ultrasonic liquid stand, take the supernatant and centrifuge it at 8000r / min for 5min, and pass it through a 0.45μm membrane.

7. The plant-extracted mosquito repellent floral water for children according to claim 4, characterized in that: The preparation method of the Rhodiola rosea extract is as follows: Weigh the dried Rhodiola rosea, add ten times the mass of 50% ethanol aqueous solution, and adjust the pH value of the ethanol aqueous solution to 4, soak at 40°C for 6 hours, then use microwave extraction, control the time to 6 minutes, power to 400W, temperature to 45°C, finally, centrifuge at 6000r / min, 4°C, for 20 minutes, and freeze-dry.

8. A method for preparing a plant-extracted mosquito repellent floral water for children, The following steps are involved: Purchase and prepare the above raw materials, store them in sealed barrels and keep them ready for use; Add all raw materials into the liquid tank, control the temperature at 25°C and stir continuously under sterile conditions; The stirred liquid is aseptically bottled.

Citation Information

Patent Citations

  • A solid toilet water for repelling mosquitoes, relieving itching, skin care and calming the nerves and its preparation method

    CN104434697B