CN112206177A

CN112206177A - Plant essence and preparation method thereof

Info

Publication number: CN112206177A
Application number: CN202011028538.5A
Authority: CN
Inventors: 王律徉
Original assignee: Guangzhou Meiwu Biotechnology Co Ltd
Current assignee: Guangzhou Meiwu Biotechnology Co Ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-01-12

Abstract

The invention discloses a plant essence, which belongs to the field of daily necessities and comprises the following components in percentage by mass: 10-20% of plant functional components, 0.1-1% of allantoin, 1-5% of 1, 3-butanediol, 1-3% of glycerol, 0.01-0.1% of EDTA disodium, 1-5% of betaine, 0.1-0.3% of carbomer, 0.1-0.5% of triethanolamine, 0.1-0.5% of preservative and the balance of deionized water; the plant effective components comprise a chickweed herb extract, a senna leaf extract, a cherimoya fruit extract, a trichosanthes kirilowii maxim root mixed extract and a bark extract of cortex magnoliae officinalis. Through the synergistic interaction among the plant active ingredients in the components, the prepared plant essence not only has excellent oxidation resistance and moisturizing functions, but also has the effects of whitening and removing wrinkles; the product has high skin compatibility, less chemical stimulation components, good stability and high safety. The invention also provides a preparation method of the plant essence, and the method has simple steps and easy operation and can be used for industrial large-scale production. The invention also provides a daily chemical product containing the plant essence.

Description

Plant essence and preparation method thereof

Technical Field

The invention relates to the technical field of daily necessities, in particular to plant essence and a preparation method thereof.

Background

Keratinocytes on human skin are renewed and differentiated every day and further shed, sebum is secreted from sebaceous glands, and water-containing substances are secreted from sweat glands to form a protective film, but the secretions are oxidized to become nutrition for bacteria, so that the bacteria increase, and therefore, the skin needs to be cleaned regularly. However, in addition to cleaning the outer cutin, the skin lipid membrane is damaged by cleaning, so that the self-barrier capability of the skin is reduced, and therefore, in daily life care, in addition to cleaning the skin, moistening and protecting the skin are also needed.

However, the skin care products on the market at present rarely adopt plant extracts as main functional substances, have more chemical functional components, and do not fully utilize the characteristics of nature, no stimulation and skin mildness of the plant extracts.

Disclosure of Invention

Based on the defects of the prior art, the invention aims to provide the plant essence, and the product aims at the moisture retention, oxidation resistance and anti-aging strategies of the skin, and combines the effective components of the plant extracts in a matching way, so that the plant essence has the effects of protecting the skin barrier and moistening the skin.

In order to achieve the purpose, the invention adopts the technical scheme that:

the plant essence comprises the following components in percentage by mass: 10-20% of plant functional components, 0.1-1% of allantoin, 1-5% of 1, 3-butanediol, 1-3% of glycerol, 0.01-0.1% of EDTA disodium, 1-5% of betaine, 0.1-0.3% of carbomer aqueous solution, 0.1-0.5% of triethanolamine, 0.1-0.5% of preservative and the balance of deionized water; the plant effective components comprise a chickweed herb extract, a senna leaf extract, a cherimoya fruit extract, a trichosanthes kirilowii maxim root mixed extract and a bark extract of cortex magnoliae officinalis.

In the raw materials of the plant functional components, the chickweed contains flavone compounds such as orientin, vitexin, apigenin and the like; phenolic acids such as vanillic acid and ferulic acid, emodin, beta-sitosterol and other components, can inhibit NF-kappa B cell activity, promote activation of peroxidase-activated receptors, have anti-inflammatory effect, and have conditioning and antioxidant effects on skin; the folium sennae mainly contains sennoside and its derivatives, and also contains rhein, phytosterol and partial flavonoids, and the extract can inhibit activity of metalloproteinase, hyaluronidase and tyrosinase, and has effect of eliminating superoxide radical. Meanwhile, the whitening cream has the effects of moisturizing and whitening auxiliary agents besides the effects of synergistic anti-inflammatory and antioxidant effects; the annona squamosa fruits are rich in components such as protein, sugar, vitamin C and the like, and also contain annonacin, annonaceous acetogenins and the like, can promote generation of mantle protein, improve skin barrier, enhance skin metabolism, and have the effects of activating skin and resisting aging; the radix Trichosanthis is rich in amino acids, and contains protein such as trichosanthin and trichosanthin, which can inhibit collagenase activity, promote cathepsin D activity, and enhance skin metabolism; the trichosanthes kirilowii root can also inhibit free release of histamine, assist in anti-inflammation, eliminate free radicals, promote activation of peroxidase-activated receptors and contribute to the efficacy of skin antioxidation; in addition, the composition can inhibit tyrosinase activity and synergistically whiten the skin; cortex Magnolia officinalis contains gallic acid, tannin, ferulic acid ester, and leucocyanidin, and has effects in inhibiting elastase and collagenase activity, relieving degradation of elastin and collagen fiber, and maintaining skin elasticity; in addition, cortex Magnolia officinalis also has antioxidant, anti-wrinkle, antiaging, and skin whitening effects. The plant functional components prepared from the raw materials have the synergistic effect of the active components, so that the plant functional components not only have the effects of moisturizing and resisting aging for a long time, but also have the effects of whitening and removing wrinkles.

The plant essence provided by the invention is prepared by the synergistic interaction of the plant active ingredients in the plant functional ingredients, so that the plant essence not only has excellent oxidation resistance and moisturizing functions, but also has the effects of whitening and removing wrinkles; the plant essence is matched with other functional components with specific contents, and has the advantages of high skin compatibility, less chemical stimulation components, good stability and high safety.

Preferably, the plant functional ingredients comprise the following components in percentage by mass: 15-25% of a chickweed herb extract, 10-25% of a senna leaf extract, 20-30% of an annona squamosa fruit extract, 10-25% of a trichosanthes kirilowii maxim root mixed extract and 10-25% of a bark extract of cortex magnoliae officinalis. By matching the extracts of the plants in a specific ratio, the content of active ingredients in the plant effective ingredients is higher, the coordination effect is better, and the toxicity of each plant ingredient can be reduced while useless impurities are effectively removed.

Preferably, the preparation method of the chickweed herb whole plant extract or the senna leaf extract comprises the following steps: screening, washing, drying and grinding the raw materials to obtain powder, performing reflux extraction on an extracting solution for 4-6 times, concentrating the obtained extracting solution at normal pressure and drying to obtain a chickweed herb extract or a senna leaf extract; the leaching time is 30-90 min each time; the extracting solution is ethanol water solution; preferably, the mass concentration of ethanol in the ethanol water solution is 50%. The preparation method of the plant extract is used for extracting effective components of plant raw materials by a multiple reflux extraction method, and the prepared extract has higher effective activity and fewer impurities.

Preferably, the preparation method of the mixed extract of the trichosanthes kirilowii maxim root comprises the following steps:

(1) screening, washing, drying and grinding the trichosanthes kirilowii roots to obtain powder, performing reflux extraction on half weight of the powder by using an ethanol water solution extracting solution for 4-6 times, and concentrating the obtained extract at normal pressure to obtain a trichosanthes kirilowii root extract A; the leaching time is 20-40 min each time; the mass concentration of ethanol in the ethanol water solution is 50 percent;

(2) boiling the other half of the powder in the weight part in the step (1) by deionized water, refluxing and leaching for 2-5 times, and concentrating the obtained leaching liquor at normal pressure to obtain a trichosanthes kirilowii maxim root extract B; the leaching time is 30-50 min each time;

(3) and uniformly mixing the trichosanthes root extract A and the trichosanthes root extract B to obtain the trichosanthes root mixed extract.

The trichosanthes kirilowii maxim root extract prepared by the method contains both fat-soluble active ingredients and water-soluble active ingredients, and can better play roles in increasing skin metabolism, inhibiting oxidation and enhancing whitening.

Preferably, the preparation method of the bark extract of cortex magnoliae officinalis comprises the following steps: screening bark of cortex magnoliae officinalis, ultrasonically washing the bark of the cortex magnoliae officinalis in water at the temperature of 40-50 ℃ for 20-30 min, drying and grinding the bark of the cortex magnoliae officinalis into powder, heating, boiling, refluxing and leaching the powder for 6-8 times by using absolute ethyl alcohol, concentrating the obtained leaching liquor at normal pressure and drying the leaching liquor to obtain the extract of the bark of the cortex magnoliae officinalis; the leaching time is 15-30 min each time. According to the preparation method of the cortex magnoliae officinalis extract, organic phase functional components of the cortex magnoliae officinalis are extracted by an ethanol reflux extraction method, and the prepared extract is higher in effective activity and less in impurities.

Preferably, the preparation method of the annona squamosa fruit extract comprises the following steps: cutting the cherimoya fruits, removing impurities, kernels and defective parts, washing, drying and grinding the cherimoya fruits into powder, boiling the powder with deionized water, refluxing and leaching for 6 to 8 times, concentrating the obtained leaching solution at normal pressure and drying the leaching solution to obtain the cherimoya fruit extract; the leaching time is 30-60 min each time. By completely extracting the functional components such as saccharides, vitamins, annonacin and the like contained in the annonaceous acetogenins by the preparation method, the prepared plant essence has purer components and better effect.

The invention also aims to provide a preparation method of the plant essence.

The preparation method of the plant essence comprises the following steps:

(1) heating deionized water, allantoin, 1, 3-butanediol, glycerol, EDTA disodium and betaine to 70-85 ℃, and uniformly stirring to obtain a mixed solution A;

(2) adding carbomer into the mixed solution A obtained in the step (1), homogenizing at the rotating speed of 2000-4000 r/min for 3-5 min, adding triethanolamine, and uniformly stirring to obtain mixed solution B;

(3) and (3) cooling the mixed liquid B obtained in the step (2) to 40-50 ℃, adding plant functional components and preservatives, and uniformly stirring to obtain the plant essence.

Still another object of the present invention is to provide a daily chemical product comprising the plant essence.

Preferably, the daily chemical products include facial cleansers, shower gels, facial masks, moisturizing creams, moisturizing lotions, whitening creams and hand creams.

The preparation method of the plant essence provided by the invention is simple in steps and easy to operate, and can be used for industrial large-scale production.

The invention has the beneficial effects that: the invention provides a plant essence, which takes extracts prepared from chickweed, senna leaf, cherimoya, trichosanthes kirilowii maxim root and bark of cortex magnoliae officinalis as plant functional components, and has excellent oxidation resistance and moisturizing functions and the effects of whitening and removing wrinkles through the synergistic interaction among all plant active components in the components; the plant essence is matched with other functional components with specific contents, and has the advantages of high skin compatibility, less chemical stimulation components, good stability and high safety. The invention also provides a preparation method of the plant essence, and the preparation method has simple steps and easy operation and can be used for industrial large-scale production. The invention also provides a daily chemical product containing the plant essence.

Detailed Description

For better illustrating the objects, technical solutions and advantages of the present invention, the present invention will be further described with reference to specific examples, which are intended to be understood in detail, but not intended to limit the present invention.

Unless otherwise specified, the raw materials used in the following examples are commercially available products of the ordinary type, and the instruments used are commercially available products of the ordinary type. The carbomer is 2% of carbomer aqueous solution by mass concentration.

Example 1

According to one embodiment of the plant essence, the plant essence comprises the following components in percentage by mass: 69.2% of deionized water, 10% of plant functional ingredients, 0.3% of allantoin, 5% of 1, 3-butanediol, 2% of glycerol, 0.1% of EDTA disodium, 3% of betaine, 10% of 2% carbomer aqueous solution, 0.2% of triethanolamine and 0.2% of preservative; the plant functional components comprise the following components in percentage by mass: 15% of a chickweed herb extract, 20% of a senna leaf extract, 30% of a cherimoya fruit extract, 15% of a trichosanthes kirilowii maxim root mixed extract and 20% of a bark extract of a bark of a thick bark tree.

The preparation method of the chickweed herb whole plant extract and the senna leaf extract comprises the following steps: screening, washing, drying and grinding the raw materials to obtain powder, performing reflux extraction for 4 times by using an extracting solution, and concentrating and drying the obtained extracting solution at normal pressure to obtain the plant extract; the leaching time is 90min each time; the extracting solution is ethanol water solution; the mass concentration of ethanol in the ethanol water solution is 50%.

The preparation method of the trichosanthes kirilowii root mixed extract comprises the following steps:

(1) screening radix Trichosanthis, washing, oven drying, grinding, pulverizing into powder, reflux-extracting half of the powder with 50% ethanol water solution for 4 times, and concentrating the obtained extractive solution under normal pressure to obtain radix Trichosanthis extract A; the leaching time is 40min each time;

(2) boiling the other half of the powder in the weight part in the step (1) by deionized water, refluxing and leaching for 2 times, and concentrating the obtained leaching liquor at normal pressure to obtain a trichosanthes kirilowii maxim root extract B; the leaching time is 50min each time;

The preparation method of the bark extract of the bark of the cortex magnoliae officinalis comprises the following steps: screening bark of cortex Magnolia officinalis, ultrasonically washing in water of 40 deg.C for 30min, oven drying, grinding into powder, heating with anhydrous ethanol, boiling, reflux extracting for 8 times, concentrating the obtained extract under normal pressure, and oven drying to obtain the cortex Magnolia officinalis extract; the leaching time is 15min each time.

The preparation method of the annona squamosa fruit extract comprises the following steps: cutting the cherimoya fruits, removing impurities, kernels and defective parts, washing, drying and grinding the cherimoya fruits into powder, boiling the powder with deionized water, refluxing and leaching for 8 times, concentrating the obtained leaching solution at normal pressure and drying the leaching solution to obtain the cherimoya fruit extract; the leaching time is 30min each time.

The preparation method of the plant essence comprises the following steps:

(1) heating deionized water, allantoin, 1, 3-butanediol, glycerol, EDTA disodium and betaine to 85 deg.C, and stirring to obtain mixed solution A;

(2) adding the mixed solution A obtained in the step (1) into a 2% carbomer aqueous solution, homogenizing at the rotating speed of 4000r/min for 3min, adding triethanolamine, and uniformly stirring to obtain a mixed solution B;

(3) and (3) cooling the mixed liquid B obtained in the step (2) to 40 ℃, adding plant functional components and preservatives, and uniformly stirring to obtain the plant essence.

Example 2

According to one embodiment of the plant essence, the plant essence comprises the following components in percentage by mass: 54.7% of deionized water, 20% of plant functional ingredients, 0.6% of allantoin, 2% of 1, 3-butanediol, 2% of glycerol, 0.1% of EDTA disodium, 5% of betaine, 15% of 2% carbomer aqueous solution, 0.3% of triethanolamine and 0.3% of preservative; the plant functional components comprise the following components in percentage by mass: 20% of a herba stellariae whole plant extract, 20% of a senna leaf extract, 20% of an annona squamosa fruit extract, 20% of a trichosanthes kirilowii root mixed extract and 20% of a cortex magnoliae officinalis extract.

The preparation method of the chickweed herb whole plant extract and the senna leaf extract comprises the following steps: screening, washing, drying and grinding the raw materials to obtain powder, performing reflux extraction for 6 times by using an extracting solution, and concentrating and drying the obtained extracting solution at normal pressure to obtain the plant extract; the leaching time is 30min each time; the extracting solution is ethanol water solution; the mass concentration of ethanol in the ethanol water solution is 50%.

(1) screening radix Trichosanthis, washing, oven drying, grinding, making into powder, reflux-extracting half of the powder with 50% ethanol water solution extract for 6 times, and concentrating the obtained extract under normal pressure to obtain radix Trichosanthis extract A; the leaching time is 20min each time;

(2) boiling the other half of the powder in the weight part in the step (1) by deionized water, refluxing and leaching for 4 times, and concentrating the obtained leaching liquor at normal pressure to obtain a trichosanthes kirilowii maxim root extract B; the leaching time is 40min each time;

The preparation method of the bark extract of the bark of the cortex magnoliae officinalis comprises the following steps: screening bark of cortex Magnolia officinalis, ultrasonically washing in water of 40 deg.C for 30min, oven drying, grinding into powder, heating with anhydrous ethanol, boiling, reflux extracting for 6 times, concentrating the obtained extractive solution under normal pressure, and oven drying to obtain the cortex Magnolia officinalis extract; the leaching time is 30min each time.

The preparation method of the annona squamosa fruit extract comprises the following steps: cutting the cherimoya fruits, removing impurities, kernels and defective parts, washing, drying and grinding the cherimoya fruits into powder, boiling the powder with deionized water, refluxing and leaching for 6 times, concentrating the obtained leaching solution at normal pressure and drying the leaching solution to obtain the cherimoya fruit extract; the leaching time is 30min each time.

The preparation method of the plant essence comprises the following steps:

(1) heating deionized water, allantoin, 1, 3-butanediol, glycerol, EDTA disodium and betaine to 70 deg.C, and stirring to obtain mixed solution A;

(3) and (3) cooling the mixed liquid B obtained in the step (2) to 50 ℃, adding plant functional components and preservatives, and uniformly stirring to obtain the plant essence.

Example 3

According to one embodiment of the plant essence, the plant essence comprises the following components in percentage by mass: 70.15% of deionized water, 15% of plant functional components, 0.5% of allantoin, 4% of 1, 3-butanediol, 2% of glycerol, 0.05% of EDTA disodium, 3% of betaine, 5% of 2% carbomer aqueous solution, 0.1% of triethanolamine and 0.2% of preservative; the plant functional components comprise the following components in percentage by mass: 15% of a chickweed herb extract, 25% of a senna leaf extract, 25% of a cherimoya fruit extract, 15% of a trichosanthes kirilowii root mixed extract and 20% of a bark extract of cortex magnoliae officinalis.

The preparation method of the chickweed herb whole plant extract and the senna leaf extract comprises the following steps: screening, washing, drying and grinding the raw materials to obtain powder, performing reflux extraction for 5 times by using an extracting solution, and concentrating and drying the obtained extracting solution at normal pressure to obtain the plant extract; the leaching time is 50min each time; the extracting solution is ethanol water solution; the mass concentration of ethanol in the ethanol water solution is 50%.

(1) screening radix Trichosanthis, washing, oven drying, grinding, making into powder, reflux-extracting half of the powder with 50% ethanol water solution extract for 5 times, and concentrating the obtained extract under normal pressure to obtain radix Trichosanthis extract A; the leaching time is 30min each time;

The preparation method of the bark extract of the bark of the cortex magnoliae officinalis comprises the following steps: screening bark of cortex Magnolia officinalis, ultrasonically washing in water of 45 deg.C for 25min, oven drying, grinding into powder, heating with anhydrous ethanol, boiling, reflux extracting for 7 times, concentrating the obtained extract under normal pressure, and oven drying to obtain the extract; the leaching time is 20min each time.

The preparation method of the annona squamosa fruit extract comprises the following steps: cutting the cherimoya fruits, removing impurities, kernels and defective parts, washing, drying and grinding the cherimoya fruits into powder, boiling the powder with deionized water, refluxing and leaching for 7 times, concentrating the obtained leaching solution at normal pressure and drying the leaching solution to obtain the cherimoya fruit extract; the leaching time is 45min each time.

The preparation method of the plant essence comprises the following steps:

(1) heating deionized water, allantoin, 1, 3-butanediol, glycerol, EDTA disodium and betaine to 80 deg.C, and stirring to obtain mixed solution A;

(2) adding the mixed solution A obtained in the step (1) into a 2% carbomer aqueous solution, homogenizing at the rotating speed of 3000r/min for 4min, adding triethanolamine, and uniformly stirring to obtain a mixed solution B;

(3) and (3) cooling the mixed liquid B obtained in the step (2) to 45 ℃, adding plant functional components and preservatives, and uniformly stirring to obtain the plant essence.

Example 4

The difference between the embodiment and the embodiment 1 is only that the plant functional ingredients comprise the following components in percentage by mass: 10% of a chickweed herb extract, 30% of a senna leaf extract, 25% of a cherimoya fruit extract, 15% of a trichosanthes kirilowii root mixed extract and 20% of a bark extract of a bark of a thick-bark tree.

Example 5

The difference between the embodiment and the embodiment 1 is only that the plant functional ingredients comprise the following components in percentage by mass: 30% of a chickweed herb extract, 20% of a senna leaf extract, 15% of an annona squamosa fruit extract, 15% of a trichosanthes kirilowii maxim root mixed extract and 20% of a cortex magnoliae officinalis extract.

Example 6

The difference between the embodiment and the embodiment 1 is only that the plant functional ingredients comprise the following components in percentage by mass: 20% of a herba stellariae whole plant extract, 20% of a senna leaf extract, 25% of a cherimoya fruit extract, 5% of a trichosanthes kirilowii root mixed extract and 30% of a cortex magnoliae officinalis extract.

Example 7

This example differs from example 1 only in that the method for preparing the mixed extract of Trichosanthis radix comprises the following steps: screening radix Trichosanthis, washing, oven drying, grinding, making into powder, reflux-extracting the powder with 50% ethanol water solution for 4 times, and concentrating the obtained extract under normal pressure to obtain radix Trichosanthis mixed extract; the leaching time is 40min each time.

Example 8

This example differs from example 1 only in that the method for preparing the mixed extract of Trichosanthis radix comprises the following steps: screening radix Trichosanthis, washing, oven drying, grinding, making into powder, boiling with deionized water, reflux extracting for 2 times, and concentrating the obtained extractive solution under normal pressure to obtain radix Trichosanthis mixed extract; the leaching time is 50min each time.

Comparative example 1

The comparative example is different from example 1 only in that the mass fraction of deionized water in the components of the botanical essence prepared in the comparative example is 79.2%, and the components do not contain plant functional components.

Comparative example 2

The comparative example differs from example 1 only in that the chickweed whole grass root extract in the components of the botanical essence prepared in the comparative example was replaced with an equal amount of deionized water.

Comparative example 3

The comparative example differs from example 1 only in that the senna leaf extract in the components of the botanical essence prepared in the comparative example was replaced with an equal amount of deionized water.

Comparative example 4

The comparative example differs from example 1 only in that the annona squamosa fruit extract in the botanical essence prepared in this comparative example was replaced with an equal amount of deionized water.

Comparative example 5

The comparative example differs from example 1 only in that the mixed extract of trichosanthes kirilowii maxim root in the components of the botanical essence prepared in the comparative example is replaced with an equal amount of deionized water.

Comparative example 6

The comparative example differs from example 1 only in that the bark extract of the bark of.

Comparative example 7

The comparative example only differs from example 1 in that the botanical essence comprises the following components in percentage by mass: 55.95% of deionized water, 10% of plant functional ingredients, 0.05% of allantoin, 8% of 1, 3-butanediol, 5% of glycerol, 0.1% of EDTA disodium, 0.5% of betaine, 20% of 2% carbomer aqueous solution, 0.2% of triethanolamine and 0.2% of preservative.

Comparative example 8

The comparative example is different from example 1 only in that the plant essence comprises the following components in percentage by mass: 67% of deionized water, 10% of plant functional ingredients, 1.5% of allantoin, 10% of 1, 3-butanediol, 0.5% of glycerol, 0.1% of EDTA disodium, 0.5% of betaine, 10% of 2% carbomer aqueous solution, 0.2% of triethanolamine and 0.2% of preservative.

Comparative example 9

The comparative example is different from example 1 only in that the plant essence comprises the following components in percentage by mass: 70.6% of deionized water, 10% of plant functional ingredients, 1.5% of allantoin, 5% of 1, 3-butanediol, 2% of glycerol, 0.5% of EDTA disodium, 8% of betaine, 2% of carbomer aqueous solution, 0.2% of triethanolamine and 0.2% of preservative.

In order to verify the skin barrier repair ability of the botanical essence prepared by the invention, the botanical essences prepared in examples 1-8 and comparative examples 1-9 were subjected to a skin barrier repair efficacy test. The test method comprises the following steps: respectively selecting 51 volunteers with similar skin properties (dry skin, easy to crack), taking 3 persons as a group, using the products for testing, wherein the testing time is 30 days, the using interval is that the face is cleaned every day, and the TEWL value (percutaneous moisture loss value, which represents the evaporation loss of moisture in the deep dermis through the epidermis and is an important parameter for describing the skin barrier) of the face using skin is tested by using a Tewameter TM300 on the 0 th day, the 15 th day and the 30 th day of the test, counting the numerical values and calculating the average value, and the testing result is shown in table 1 (the lower the TEWL value, the better the skin barrier function).

TABLE 1

As can be seen from table 1, the skin TEWL values of all the products of the embodiments/comparative examples are almost the same at the beginning, the moisture retention effect of the plant essence prepared in the embodiments 1 to 8 is better than that of the products prepared in the comparative examples 1 to 9 after 15 days of product use, and the difference of the use effect of the plant essence is very obvious after the number of days of use reaches 30 days, wherein the plant essence prepared in the embodiments 1 to 3 has a higher moisturizing effect than the products prepared in the embodiments 4 to 8 and the comparative examples 1 to 9 because each plant efficacy component is synergistic in the preferable content ratio and the extraction method.

In order to verify the skin wrinkle-removing ability of the botanical essence prepared by the invention, fibroblast culture tests were performed on the botanical essences prepared in examples 1-8 and comparative examples 1-9. Wherein, the effect of the product on the proliferation of the fibroblasts can be evaluated to a certain extent. The test method comprises the following steps: the skin fibroblasts were removed, digested with 0.25% trypsin and adjusted to a cell suspension density of 105 cells/mL, seeded into 96-well plates, 100. mu.L of each well was added dropwise, and the peripheral wells were filled with sterile phosphate buffer. The culture supernatant was aspirated after 24 hours in an incubator, 100. mu.L of medium dilution containing samples of different concentrations were added to each well, 5 concentrations of each sample were added, 6 duplicate wells were added to each concentration, and a blank set without samples was added. After culturing for 48h, respectively, sucking out culture supernatant, adding 100 mu L of DMEM culture solution into each well, adding 20 mu L of MTT solution with the concentration of 5mg/mL, incubating for 4h in an incubator, sucking out culture supernatant, adding 150 mu L of DMSO into each well, shaking for 10min on a shaking table, fully dissolving crystals, and measuring absorbance at 490nm by using a microplate reader. The test results are shown in table 2.

TABLE 2

As can be seen from table 2, the plant essences prepared in examples 1 to 8 of the present invention have an obvious proliferation effect on fibroblasts, and the products prepared in examples 1 to 3, in which the content of all plant functional ingredients and the extraction method are in the preferred range, have more prominent effects, and have excellent skin wrinkle-removing ability compared to the products prepared in comparative example 1, in which no plant functional ingredients are contained, and the products prepared in comparative examples 2 to 9, in which some limited plant extract ingredients are absent.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The plant essence is characterized by comprising the following components in percentage by mass: 10-20% of plant functional components, 0.1-1% of allantoin, 1-5% of 1, 3-butanediol, 1-3% of glycerol, 0.01-0.1% of EDTA disodium, 1-5% of betaine, 0.1-0.3% of carbomer, 0.1-0.5% of triethanolamine, 0.1-0.5% of preservative and the balance of deionized water; the plant effective components comprise a chickweed herb extract, a senna leaf extract, a cherimoya fruit extract, a trichosanthes kirilowii maxim root mixed extract and a bark extract of cortex magnoliae officinalis.

2. The plant essence according to claim 1, wherein the plant functional ingredients comprise the following components in percentage by mass: 15-25% of a chickweed herb extract, 10-25% of a senna leaf extract, 20-30% of an annona squamosa fruit extract, 10-25% of a trichosanthes kirilowii maxim root mixed extract and 10-25% of a bark extract of cortex magnoliae officinalis.

3. The plant essence according to claim 1 or 2, wherein the preparation method of the whole chickweed herb extract comprises the following steps: screening, washing, drying and grinding chickweed into powder, performing reflux extraction for 4-6 times by using an extracting solution, and concentrating and drying the obtained extracting solution at normal pressure to obtain the whole chickweed extract; the leaching time is 30-90 min each time; the extracting solution is ethanol water solution.

4. The plant essence according to claim 1 or 2, wherein the senna leaf extract is prepared by the following method: screening, washing, drying and grinding folium sennae to obtain powder, performing reflux extraction for 4-6 times by using an extracting solution, concentrating the obtained extracting solution at normal pressure and drying to obtain the folium sennae extract; the leaching time is 30-90 min each time; the extracting solution is ethanol water solution.

5. The botanical essence of claim 1 or 2, wherein the mixed extract of Trichosanthis radix is prepared by a method comprising the steps of:

(1) screening, washing, drying and grinding the trichosanthes kirilowii roots to obtain powder, performing reflux extraction on half weight of the powder by using an ethanol water solution extracting solution for 4-6 times, and concentrating the obtained extract at normal pressure to obtain a trichosanthes kirilowii root extract A; the leaching time is 20-40 min each time;

6. The plant essence according to claim 1 or 2, wherein the bark extract of cortex magnoliae officinalis is prepared by the following steps: screening bark of cortex magnoliae officinalis, ultrasonically washing the bark of the cortex magnoliae officinalis in water at the temperature of 40-50 ℃ for 20-30 min, drying and grinding the bark of the cortex magnoliae officinalis into powder, heating, boiling, refluxing and leaching the powder for 6-8 times by using absolute ethyl alcohol, concentrating the obtained leaching liquor at normal pressure and drying the leaching liquor to obtain the extract of the bark of the cortex magnoliae officinalis; the leaching time is 15-30 min each time.

7. The plant essence of claim 1 or 2, wherein the annona squamosa fruit extract is prepared by the method comprising: cutting the cherimoya fruits, removing impurities, kernels and defective parts, washing, drying and grinding the cherimoya fruits into powder, boiling the powder with deionized water, refluxing and leaching for 6 to 8 times, concentrating the obtained leaching solution at normal pressure and drying the leaching solution to obtain the cherimoya fruit extract; the leaching time is 30-60 min each time.

8. The method for preparing the plant essence according to any one of claims 1 to 7, comprising the following steps:

9. A daily chemical product comprising the plant essence according to any one of claims 1 to 6.

10. The daily chemical product according to claim 9, wherein the daily chemical product comprises a facial cleanser, a body wash, a mask, a moisturizer, a whitening cream and a hand cream.