CN109864911A - A kind of application for avenging tea extraction - Google Patents
A kind of application for avenging tea extraction Download PDFInfo
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- CN109864911A CN109864911A CN201711249852.4A CN201711249852A CN109864911A CN 109864911 A CN109864911 A CN 109864911A CN 201711249852 A CN201711249852 A CN 201711249852A CN 109864911 A CN109864911 A CN 109864911A
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- Medicines Containing Plant Substances (AREA)
- Cosmetics (AREA)
Abstract
The present invention relates to daily use chemicals and plant extracts fields, and in particular to avenges the application of tea extraction.Avenging tea extraction has the ability for improving basilar memebrane related gene and anti-aging related gene expression, in content 0.001%, the expression that basilar memebrane stablizes related gene hspg2, senile-resistant efficacy related gene COL1A1 and moisturizing related gene CD44 can be effectively improved;Snow tea extraction can be used as moisturizing, anti-aging, firm skin texture or the active constituent for stablizing true epidermis connection, be used to prepare skin preparations for extenal use.
Description
Technical field
The present invention relates to cosmetics and plant extracts fields, and in particular to avenges the application of tea extraction.
Background technique
Skin covering is placed on entire human body surface, directly contacts with external environment, in addition to protecting body from extraneous various
It outside the injury of factor, and is the mirror for reacting general health status.Skin is made of epidermis, corium, subcutaneous tissue, and is contained
There are cutaneous appendages, nerve, blood vessel, lymphatic vessel and muscle abundant.Basilar memebrane is also known as in the join domain of corium and epidermis
Band is not only a model of a layered structure, and has various functions, and basilar memebrane is the supporting pad of epithelial cell, thin in epithelium
Structure connection function is played between born of the same parents' tissue and connective tissue, meanwhile, also there is otherwise effect.For example, basilar memebrane conduct
The selectivity of cell usually can prevent phoirocyte from contacting with the epithelial cell on basilar memebrane by barrier, but allow
Lymphocyte, macrophage and neuronal synapse pass through;In addition, the form of cell, the polarity of cell, cell metabolism, matter
Many biological phenomenas such as the distribution of protein, cell survival, the Proliferation, Differentiation of cell, cell migration, have with basilar memebrane on film
Unusual close relationship.
Heparan sulfate proteoglycan hspg2 (heparan sulfate proteoglycan) gene coded base film is poly-
Glycoprotein (perlecan) is a main component of basilar memebrane, by the core protein of the glycosaminoglycan connection of three long-chains
Composition.Perlecan albumen is the proteoglycans of a Multidomain, in conjunction with and be crosslinked many extracellular matrix components and thin
Cellular surface molecule.It is existing research it has been shown that the protein and laminin, degreasing protein, IV Collagen Type VI etc. interaction,
It plays an important role in multiple biological activities.Perlecan can also promote growth factor activity, thus stimulate endothelial growth and
Regeneration.The expression that can promote perlecan albumen is raised in hspg2 gene expression, and then promotes the firm of basement membrane structure
Property, strengthen the close connection of true epidermis.
Type i collagen is the main ingredient of dermal layer of the skin.Increase with the age, the collagen of skin corium can gradually aging,
It is lost, content is gradually reduced.This is a principal element for leading to skin aging.The loss of collagen, after directly resulting in
Fruit is exactly skin histology atrophy, collapses, and the aging phenomenons such as dry, coarse, loose, wrinkle occurs in skin.Skin is improved by stimulation
The ability of skin cell synthesis type i collagen is an effective means of anti-aging.1 chain of COL1A1 genes encoding Type I collagen α, therefore
Increase COL1A1 gene expression can promote I-type collagen in corium generation, synthesis and assembly extracellular matrix, enhancing with
Support the stability of skin texture, delay skin aging.
CD44 is cell surface trans-membrane glycoprotein, and other than it can promote epidermal layer cells cell differentiation and proliferation, it is also
Can be in conjunction with hyaluronic acid, thus the receptor of also referred to as hyaluronic acid.Hyaluronic acid is bundled in carefully by cell by CD44
Extracellular space, for maintaining intercellular high-moisture.In addition, CD44 also plays important work in the synthesis process of hyaluronic acid
With the expression quantity of CD44 determines the content of hyaluronic acid in skin in Skin Cell.But as the age increases, internal CD44 meeting
Gradually decrease, vigor also and then declines, the problem of this is also dry skin water shortage root.It, can by activating the expression of CD44
The self task performance for updating, manufacturing hyaluronic acid is promoted, the moisture-retaining capacity of skin is promoted.
Therefore, how research improves the expression of skin key position and the relevant gene of function, for improving the true table of skin
The stability of skin structure, delay skin aging are of great significance.
Bai Xuecha is the drying thallus that ground Tea plant avenges tea, scientific name Thamnolia vermicularis also known as ground
Tea, too white tea.Bai Xuecha is mainly distributed on 4000-5000 meters of the height above sea level such as Sichuan Province China province, Yunnan Province, Shaanxi Province and Qinghai-Tibet Platean
Plateau.The thallus of Bai Xuecha is in small thorn-like bifurcated, small-sized plexi growth, surface milky or canescence, matt, light
Sliding, free bend when dry is 3-4 millimeters thick, hollow, about 3-7 centimetres high, and upright or prostrate gathers the grass of the high mountain near snow line
Pasture, dark and damp rock, tongue fur and flowstone beach on, only have be best period of its growth procreation in 1 year within 2-3 months, and grow ten
Divide slow.
Early in the Ming Dynasty, avenges tea and have become the treasure that Lijing Mu Shi toast is paid tribute.It is natural as tradition that ethnic group will avenge tea
Health tea or conventional medicament have clearing heat and detoxicating, relieving cough and reducing sputum, nourishing heart improving eyesight, refreshment and tranquilization, anti-inflammatory and other effects using so far.
" national Chinese herbal medicine compilation ", which records snow tea, can treat heatstroke, in the heart dysphoria with smothery sensation, deficiency of Yin hectic fever, cough with lung heat, neurasthenia, high blood
Press disease etc..
Research in recent years from snow tea in it is isolated include depside, steroid, polysaccharide, fatty acid, carrotene,
Hundreds of compound [2,7,10] including the ingredients such as polyalcohol, free amino acid.Avenge in tea has high potassium low in macroelement
The characteristics of sodium, and it is rich in Ca and Fe element, there is good supplementary function to human body.Avenge a large amount of contracting phenolic aldehyde acids chemical combination in tea
Object --- snow theine has the physiological functions such as anti-inflammatory, antibacterial, antipyretic, adjusting abdominal pain.Usnic acid has antibacterial activity;Peroxidating
Ergosterol then has stronger anti-tumor activity and anti-inflammatory efficacy.
Summary of the invention
The present invention is intended to provide snow tea extraction answering in terms of preparing with function of delaying senility, moisturizing skin preparations for extenal use
With.
Snow tea extraction can consolidate skin texture, stablize true epidermis connection, have the effect of anti-aging.Therefore, tea is avenged
Extract is used to prepare skin preparations for extenal use, can be used as anti-aging, firm skin texture or the active constituent for stablizing true epidermis connection.
Avenge tea extraction as improve I-type collagen synthesis, improve hyaluronic acid contents or
Avenging tea extraction has the energy for improving basilar memebrane related gene, anti-aging related gene and moisturizing related gene expression
Power.
Preferably, the senile-resistant efficacy related gene is COL1A1 gene, and snow tea extraction can be improved COL1A1 base
Because of expression, promote the synthesis of collagen, keep the collagen of skin corium, to delay senescence.
Preferably, it is hspg2 gene that the basilar memebrane, which stablizes related gene, and snow tea extraction can be improved hspg2 gene
Expression promotes the expression of perlecan albumen, and then promotes the stability of basement membrane structure, strengthens the close connection of true epidermis.
Preferably, the moisturizing related gene is CD44 gene, and snow tea extraction can be improved the expression of CD44 gene,
To promote the synthesis of hyaluronic acid, increase the content of hyaluronic acid in skin, improves skin moisture-keeping ability.
Above-mentioned snow tea extraction is water extract, extractive with organic solvent, water and the organic solvent mixed liquor for avenging tea
Extract or above-mentioned any mixture.
The preparation method of snow tea extraction includes the group of decoction, ultrasonic extraction, extraction, reflux, diacolation or the above method
It closes.
Preferably, snow tea extraction can be solvent with the mixed liquor of water, alcohol or water and alcohol, and by decocting, ultrasound mentions
It takes, extract, flowing back or the method for diacolation extracts.
More preferably, avenge the preparation method of tea extraction the following steps are included:
(1) Bai Xuecha thallus is extracted 1~3 time with 60%~80% EtOH Sonicate, merging filtrate;
(2) solvent is removed.
It is 10~500 mesh powders that the Bai Xuecha thallus, which is water content lower than 5%, partial size,.
Above-mentioned snow tea extraction has the ability for consolidating true epidermis concatenation ability and anti-aging, can be used as effect addition
Agent is added in cosmetics and uses.It, can be effective when content is 10 μ g/mL (about 0.001wt%, in terms of the dry matter of extract)
Improve senile-resistant efficacy related gene COL1A1, basilar memebrane stablizes related gene hspg2 and moisturizing related gene is CD44's
Expression.
Avenging content of the tea extraction in skin preparations for extenal use is 0.0005wt%~5wt%, preferably 0.001wt%~
3wt%.The skin preparations for extenal use, such as cosmetics, type include that washing cream, lotion, creams, Essence, toner are (such as soft
Skin water, toner), facial mask, makeup remover, Gel miles, it is spraying etc..
New use the present invention provides snow tea extraction as skin preparations for extenal use (cosmetics, skin care item etc.) functional additive
On the way, it can be used as active constituent, be used to prepare to have and stablize basal membrane structure, stablize true epidermis connection or anti-aging, moisturizing
The skin preparations for extenal use of effect;Snow tea extraction preparation method is simple, and process conditions are easily-controllable;Extract activity obtained is high,
Remarkable result can be generated in the case that content is extremely low, it is natural, safe and effective, do not stimulate skin.
Detailed description of the invention
Fig. 1 is the expression avenged tea extraction and basilar memebrane is promoted to stablize related gene hspg2
Fig. 2 is the expression avenged tea extraction and promote senile-resistant efficacy related gene COL1A1
Fig. 3 is the expression avenged tea extraction and promote skin moisture-keeping effect related gene CD44
Specific embodiment
The production of the snow tea extraction of embodiment 1
(1) Bai Xuecha thallus is dry lower than 5% and is crushed to 200 mesh to water content, takes 10g that 70% ethyl alcohol (body is added
Product concentration), 500W ultrasonic extraction 2 times at room temperature extract 30min with 100mL ethyl alcohol every time;
(2) merging filtrate, rotary evaporated to dryness;Obtain the white snow tea extraction of about 0.8g.
Embodiment 2 avenges the expression that tea extraction promotes basilar memebrane to stablize related gene hspg2
(1) preparation of skin model
Extract people's primary fibroblast (NHDF) and people's primary keratinocyte (NHEK) respectively from skin histology.By people
Primary fibroblast recovery mixes with collagen after culture digestion and carries out corium stage culture 3~4 days, then will use raising
People's primary keratinocyte of layer culture, the skin model surface of digestive inoculation to corium stage, successively by epidermis submergence culture
And liquid phase cultivation stage, culture obtained the 3D skin model that can be used for detecting to 18 days.
In incubation, the D3 after being inoculated with fibroblast on bracket uses ordinary culture medium to final D18 respectively
(control group, NT) or contain 10 μ g/mL embodiments 1 snow tea extraction (about 0.001wt%, in terms of the dry weight for avenging tea extraction)
Culture medium skin model is cultivated.
(2) extraction of RNA
Clip tissue about 2*3mm is put into 2mL EP pipe;1mL Trizol is added, 2 steel balls are added, use historrhexis
Instrument homogenate, 50Hz, 5min;Supernatant is transferred in new 1.5mL EP pipe by 9000rpm, 4 DEG C of 1min;200ul chlorine is added
It is imitative, it gently overturns and mixes for several times, be placed at room temperature for 5 minutes;9000rpm, 4 DEG C of 15min;Turn upper strata aqueous phase (about 400uL) Yu Xin
In 1.5mL EP pipe, isometric isopropanol is added, mixes, is stored at room temperature 10min;9000rpm 10min 4℃;Supernatant is abandoned,
70% dehydrated alcohol of precipitating pre-cooling is washed 1 time, and 4 DEG C of 8000rpm 5min;Supernatant is abandoned, is air-dried 5-10 minutes, is dissolved in
In 30ul DEPC water;Spectrophotometric determination RNA concentration.
(3) gene expression analysis
The purifying and gene quantification analysis that RNA is carried out according to QuantiGeneR 2.0Plex Assay kit, use
Luminex platform analyzes gene expression.
As a result as shown in Figure 1.As shown in Figure 1, compared with control group (NT), after addition snow tea extraction, in skin model
In stablize relevant hspg2 gene expression to basilar memebrane and raise 1.6 times, illustrate the extract can be improved basilar memebrane stablize it is related
The expression of gene plays the role of promoting basement membrane structure stable.
In the test of measurement gene expression, if the expression quantity of gene is bright relative to the experimental group for being not added with extract
Aobvious to increase, deducibility snow tea extraction can induce basilar memebrane to stablize relevant gene, the relevant gene of moisturizing and anti-aging
Relevant gene expression has effects that the stabilization, moisturizing and the anti-aging that improve the structure of skin.
The relevant gene expression of 3 anti-aging of embodiment
3D cell model cultural method, RNA tissue extraction method and gene expression analysis method are the same as embodiment 2.With right
It is compared according to group (NT), in the skin model of addition 10 μ g/mL snow tea extraction, gene C OL1A1 relevant to type i collagen synthesis
The obvious up-regulation (1.42 times) of expression, as a result as shown in Figure 2.Illustrate that avenging tea extraction can be improved the expression of anti-aging related gene,
With senile-resistant efficacy.
The relevant gene expression of 4 moisturizing of embodiment
3D cell model cultural method, RNA tissue extraction method and gene expression analysis method are the same as embodiment 2.With right
It is compared according to group (NT), in the skin model of addition 10 μ g/mL snow tea extraction, in CD44 gene expression relevant to skin moisture-keeping
1.51 times are adjusted, as a result as shown in Figure 3.Illustrate that avenging tea extraction can be improved the expression of anti-moisturizing related gene, the function with moisturizing
Effect.
Claims (10)
1. avenging application of the tea extraction in terms of preparing skin preparations for extenal use, which is characterized in that the snow tea extraction is used as steady
The active constituent determined basal membrane structure, stablize true epidermis connection, anti-aging or moisturizing.
2. application according to claim 1, which is characterized in that the snow tea extraction, which is used as, improves basilar memebrane stable phase
Correlation gene expression, and/or raising anti-aging related gene expression, and/or raising moisturizing related gene expression active constituent.
3. application according to claim 2, which is characterized in that it is hspg2 gene that the basilar memebrane, which stablizes related gene,;
The senile-resistant efficacy related gene is COL1A1 gene;The moisturizing related gene is CD44 gene.
4. described in any item applications according to claim 1~3, which is characterized in that the snow tea extraction is Bai Xuecha's
Extract or the above-mentioned any mixture of water extract, extractive with organic solvent, water and organic solvent mixed liquor.
5. described in any item applications according to claim 1~3, which is characterized in that the preparation method of the snow tea extraction
The following steps are included:
(1) Bai Xuecha thallus is extracted 1~3 time with 60%~80% EtOH Sonicate, merging filtrate;
(2) solvent is removed.
6. application described in claim 5, which is characterized in that in step (1), when each ultrasonic extraction, 60%~80% ethyl alcohol
Amount ratio with Bai Xuecha thallus is 5~20L:1kg.
7. application described in claim 5, which is characterized in that the Bai Xuecha thallus is water content is lower than 5%, partial size
10~500 mesh powders.
8. it is a kind of with the skin preparations for extenal use stablized basal membrane structure, stablize the connection of true epidermis, anti-aging or moisture-keeping function,
It is characterized in that, containing snowy tea extraction.
9. skin preparations for extenal use according to any one of claims 8, which is characterized in that the content for avenging tea extraction is 0.0005%~5%.
10. skin preparations for extenal use according to any one of claims 8, which is characterized in that the content for avenging tea extraction is 0.001%~3%.
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