CN116180255A - Viscose large biological fiber containing active ingredients of albizia julibrissin, olive, peppermint and lavender and preparation method thereof - Google Patents
Viscose large biological fiber containing active ingredients of albizia julibrissin, olive, peppermint and lavender and preparation method thereof Download PDFInfo
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- 235000018219 lavender Nutrition 0.000 title claims abstract description 48
- 240000007185 Albizia julibrissin Species 0.000 title claims abstract description 44
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Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
- D01F2/08—Composition of the spinning solution or the bath
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Medicines Containing Plant Substances (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention discloses a viscose large biological fiber containing active ingredients of albizia, olive, peppermint and lavender and a preparation method thereof, belonging to the technical field of fiber preparation, and the viscose large biological fiber containing the active ingredients of albizia, olive, peppermint and lavender comprises the following steps: step one, preparing raw materials, namely crushing the material rich in the flavone active ingredients, curing and soaking, and filtering with active carbon and resin to obtain an active ingredient-containing extracting solution. The viscose large biological fiber containing the active ingredients of the albizia julibrissin, the olive, the mint and the lavender can greatly improve the antibacterial effect, avoid a large amount of bacteria from being adhered to the skin to breed, can improve the skin through the flavone, resist fat oxidation and aging, can avoid fading through fixation treatment, can avoid the loss of the flavone caused by washing on one hand, and can reduce the antibacterial effect and the effect of improving the skin on the other hand.
Description
Technical Field
The invention relates to the technical field of fiber preparation, in particular to a viscose large biological fiber containing active ingredients of albizia julibrissin, olive, peppermint and lavender and a preparation method thereof.
Background
Albizia, also known as cotton rose, lantana, deciduous tree, summer flowering, head inflorescence, valve corolla, stamen, light red, pod streak, flat, no crack, 4-15 m high, crown development; the small branches have edges, the twigs, inflorescences and leaf shafts are fluffed or short and soft, and the supporting leaves are in a linear needle shape; the head inflorescences are arranged on the top of the branch to form cone inflorescences; pollen red; calyx tube shape, and flowering period of 6-month; the fruit period is 8-10 months.
Olives belong to the family of olivaceae arbor plants and are cultivated in north to middle of vietnam, north to middle, japan (kawasaki, towline) and malaysia. Olive has wide application, wood is a good building material, pulp is edible or pharmaceutical, and the fruit pits can be used for carving and oil extraction. Olive oil is a pale yellow transparent liquid extracted from olive fruits, called "liquid gold", and is rich in vitamin a, vitamin D, vitamin E, vitamin K, and vitamin F, which are all fat-soluble vitamins easily absorbed by skin. Especially vitamin E, is high.
Peppermint is the aerial part of perennial root herbaceous plants of Labiatae, and is a fragrant crop with special economic value. The menthol can accelerate in vivo circulation, remove greasiness, relieve abdominal distention, decompose body fat, and reduce weight. Essential oils extracted from herba Menthae can be used for aromatherapy, and for preparing perfume and cosmetics for protecting skin. The peppermint contains volatile oil, peppermint essence, tannin and other substances, helps to smooth down negative moods such as anger, depression and the like, and is a heart-nourishing medicine for eliminating fatigue, relieving pressure and calming heart and calming qi.
Lavender plants of Lavender genus of Labiatae are known as "calm perfume plant", "perfume king", "after aromatic herb".
The Viscose fiber (Viscose) is a full name of Viscose fiber, takes 'wood' as a raw material, extracts and remoldes fiber molecules from natural wood cellulose to obtain the cellulose fiber, and is prepared through the steps of alkalizing plant cellulose to form alkali cellulose, then reacting with carbon disulfide to generate cellulose xanthate, dissolving the cellulose xanthate in dilute alkali solution to obtain a Viscose, and obtaining the Viscose fiber after wet spinning and a series of treatment procedures, wherein the hygroscopicity of the Viscose fiber meets the physiological requirements of human skin, and the Viscose fiber has the characteristics of smoothness, ventilation, static resistance, ultraviolet resistance, gorgeous color, better dyeing fastness and the like, has the nature of cotton, the quality of silk, is a genuine plant fiber, is derived from nature and is superior to nature, and is widely applied to various fields such as underwear, textile, clothing, non-woven fabric and the like at present.
In the practical application process, most of the air permeability and the abrasion resistance of the viscose large biological fiber are good, but in the wearing process, the problem is found that firstly, the antibacterial effect is reduced along with the washing effect, and secondly, the skin cannot be protected in the washing process, grease generated by the skin is very easy to generate skin bacteria, and the viscose large biological fiber is very easy to fade, so that the attractiveness is reduced.
Disclosure of Invention
The invention aims to provide viscose large biological fibers containing active ingredients of albizia julibrissin, olive, peppermint and lavender and a preparation method thereof. The viscose large biological fiber containing the active ingredients of the albizia julibrissin, the olive, the mint and the lavender has small molecular weight, can be rapidly absorbed by human bodies, can pass through blood brain barriers and can enter adipose tissues, thereby having the functions of helping human bodies to defend radiation, eliminating fatigue, protecting blood vessels, preventing arteriosclerosis, expanding capillaries, dredging microcirculation, activating the brain and other visceral cells, resisting fat oxidation and aging, and the sensitive formula tightening anti-wrinkling powder/tightening anti-wrinkling water plays a role in tightening skin.
In order to achieve the above effects, the present invention provides the following solutions: a viscose large biological fiber containing active ingredients of albizia julibrissin, olive, peppermint and lavender and a preparation method thereof comprise the following steps:
step one, preparing raw materials, namely crushing albizia julibrissin, olive, peppermint and lavender which are rich in flavone active ingredients, curing and soaking, and filtering with active carbon and resin to obtain an active ingredient extract;
step two, sealing and heating the active ingredient extracting solution of the albizia julibrissin, olive, mint and lavender, then injecting a sufficient amount of ethanol solution, and carrying out centrifugal treatment to obtain a supernatant for later use;
concentrating active ingredients of the albizia julibrissin, olive, mint and lavender, sealing the supernatant, pressurizing and conveying the supernatant to macroporous resin, and then eluting the macroporous resin to obtain a concentrated solution of flavone;
step four, cellulose pulp is soaked in alkali liquor to generate alkali cellulose, sulfur dioxide reacts with the alkali cellulose to generate sodium cellulose xanthate, and the sodium cellulose xanthate is dissolved in dilute alkali liquor to prepare viscose; taking 8-20g of porous nano material with particle size of 8000-10000 meshes, 0.005-0.05g of coupling agent, 0.006-0.07g of surfactant and prepared concentrated solution of flavone, performing first shearing, then adding polyimide acid solution, performing second shearing, then adding stabilizer, performing original shearing dispersion to obtain stable nano composite suspension dispersion, and volatilizing a solvent to obtain a dried porous molecular nest containing active ingredient extract;
step five, modifying and protecting a molecular nest: adding a sufficient amount of ethanol solution into the porous molecular nest, and preparing a protective film by combining sodium alginate/chitosan to obtain a modified molecular nest;
step six, preparing viscose macrobiological fibers containing active ingredients of albizia julibrissin, olive, mint and lavender: adding modified molecular nest into the obtained viscose, uniformly mixing, and preparing viscose large biological fiber containing active ingredients of albizia julibrissin, olive, peppermint and lavender by a wet spinning process;
and step seven, performing fixation treatment, namely performing steam fixation treatment by injecting a sufficient amount of fixation agent after preparation.
Further, the method comprises the following steps: according to the operation step in the first step, the standard of the crushing treatment is 1 mm diameter, and before the materials of the albizia julibrissin, the olive, the mint and the lavender are crushed, additional airing and drying treatment in the shade are needed, and the water content is not higher than 10%.
Further, the method comprises the following steps: according to the operation step in the step one, the activated carbon and the resin are adopted, wherein the activated carbon is sintered activated carbon, and the coconut shell sintered activated carbon is adopted as the optimal, and the resin is an adsorption resin.
Further, the method comprises the following steps: according to the operation step in the step two, the sealing heating is carried out, the heating temperature is ensured to be 60 ℃, and the heating time is not less than 2 hours.
Further, the method comprises the following steps: according to the operation step in the second step, the ethanol solution adopts a concentration of 95%, the rotation speed of the centrifugation treatment is 500 revolutions per minute, the centrifugation time is 20 minutes, and the supernatant liquid is required to be kept stand for 1 hour after the centrifugation.
Further, the method comprises the following steps: according to the operation step in the third step, the supernatant is subjected to sealing treatment pressurization, wherein the pressurization pressure is 0.2 megapascals.
Further, the method comprises the following steps: according to the operation step in the third step, absolute ethyl alcohol is adopted for elution, and the elution time is not less than 1 hour.
Further, the method comprises the following steps: according to the operation step in the step four, the alkali solution adopts sodium carbonate solution or potassium carbonate solution.
Further, the method comprises the following steps: according to the operation step in the step seven, the color fixing agent is polydimethyldiallyl ammonium chloride.
The invention provides a viscose large biological fiber containing active ingredients of albizia julibrissin, olive, peppermint and lavender and a preparation method thereof, and the viscose large biological fiber has the following beneficial effects:
(1) The viscose large biological fiber containing active ingredients of albizia julibrissin, olive, peppermint and lavender and the preparation method thereof can greatly improve the antibacterial effect and avoid the bacteria from being adhered to the skin to grow in a large amount through the addition and adhesion of the active ingredient flavone.
(2) The viscose large biological fiber containing active ingredients of albizia julibrissin, olive, peppermint and lavender and the preparation method thereof can improve skin, resist fat oxidation and resist aging through flavone.
(3) According to the viscose large biological fiber containing the active ingredients of the albizia julibrissin, the olive, the mint and the lavender and the preparation method thereof, the adhesion of the flavonoid to the viscose large biological fiber can be ensured through fixation treatment, on one hand, the color fading can be avoided, and on the other hand, the flavonoid loss caused by water washing can be avoided, so that the antibacterial and skin improving effects are reduced.
Drawings
FIG. 1 is a schematic diagram of the preparation method of the present invention.
Detailed Description
The invention provides a technical scheme that: referring to fig. 1, the viscose macrobiological fiber containing active ingredients of albizia julibrissin, olive, peppermint and lavender and the preparation method thereof comprise the following steps:
step one, preparing raw materials, namely crushing albizia julibrissin, olive, mint and lavender which are rich in flavone active ingredients, curing and soaking, and filtering with active carbon and resin to obtain an active ingredient extract of albizia julibrissin, olive, mint and lavender;
step two, sealing and heating the active ingredient extracting solution of the albizia julibrissin, olive, mint and lavender, then injecting a sufficient amount of ethanol solution, and carrying out centrifugal treatment to obtain a supernatant for later use;
concentrating Albizia julibrissin, olive, mint and lavender components, sealing the supernatant, pressurizing and conveying the supernatant to macroporous resin, and then eluting to obtain a concentrated solution of flavone;
step four, cellulose pulp is soaked in alkali liquor to generate alkali cellulose, sulfur dioxide reacts with the alkali cellulose to generate sodium cellulose xanthate, and the sodium cellulose xanthate is dissolved in dilute alkali liquor to prepare viscose; taking 8-20g of porous nano material with particle size of 8000-10000 meshes, 0.005-0.05g of coupling agent, 0.006-0.07g of surfactant and prepared concentrated solution of flavone, performing first shearing, then adding polyimide acid solution, performing second shearing, then adding stabilizer, performing original shearing and dispersing to obtain stable nano composite suspension dispersion, and volatilizing the solvent to obtain a dried porous molecular nest containing albizia julibrissin, olive, peppermint and lavender extracts;
step five, modifying and protecting a molecular nest: adding a sufficient amount of ethanol solution into the porous molecular nest, and preparing a protective film by combining sodium alginate/chitosan to obtain a modified molecular nest;
step six, preparing viscose macrobiological fibers containing active ingredients of albizia julibrissin, olive, mint and lavender: adding modified molecular nest into the obtained viscose, uniformly mixing, and preparing viscose large biological fiber containing active ingredients through a wet spinning process;
and step seven, performing fixation treatment, namely performing steam fixation treatment by injecting a sufficient amount of fixation agent after preparation.
Specifically, the method comprises the following steps: according to the operation step in the first step, the standard of the crushing treatment is 1 mm diameter, and before the materials containing the albizia julibrissin, the olive, the mint and the lavender are crushed, additional airing and drying treatment are needed, and the water content is not higher than 10%.
Specifically, the method comprises the following steps: according to the operation step in the step one, the activated carbon and the resin are adopted, wherein the activated carbon is sintered activated carbon, and the coconut shell sintered activated carbon is adopted as the optimal, and the resin is an adsorption resin.
Specifically, the method comprises the following steps: according to the operation step in the step two, the sealing heating is carried out, the heating temperature is ensured to be 60 ℃, and the heating time is not less than 2 hours.
Specifically, the method comprises the following steps: according to the operation step in the second step, the ethanol solution adopts a concentration of 95%, the rotation speed of the centrifugation treatment is 500 revolutions per minute, the centrifugation time is 20 minutes, and the supernatant liquid is required to be kept stand for 1 hour after the centrifugation.
Specifically, the method comprises the following steps: according to the operation step in the third step, the supernatant is subjected to sealing treatment pressurization, wherein the pressurization pressure is 0.2 megapascals.
Specifically, the method comprises the following steps: according to the operation step in the third step, absolute ethyl alcohol is adopted for elution, and the elution time is not less than 1 hour.
Specifically, the method comprises the following steps: according to the operation step in the step four, the alkali solution adopts sodium carbonate solution or potassium carbonate solution.
Specifically, the method comprises the following steps: according to the operation step in the fifth step, the color fixing agent is polydimethyldiallyl ammonium chloride.
The method of the embodiment is used for detection and analysis, and the mixing ratio of anthocyanin and flavone to viscose spinning solution is set as 1: 1. 2:1 and 3:1, respectively designated as example 1, example 2 and example 3, and compared with the prior art, the following data were obtained:
standard index experiment table for fiber:
| example 1 | Example 2 | Example 3 | Prior art fabric | |
| Speed of drying clothes | 0.5-1h | 0.5-1h | 0.5-1h | 1.5-2.3h |
| Wear resistance degree | 589 (times/mg) | 580 (times/mg) | 570 (times/mg) | 660 (times/mg) |
| Elongation at break | 1.6-2.2％ | 1.6-2.2％ | 1.6-2.2％ | 3-7％ |
| Moisture regain | 13％ | 13％ | 13％ | 8.5％ |
| Deodorization rate | 30.8％-48％ | 30.8％-50％ | 35％-50％ | 17.6％-29％ |
Bacterial inhibition test table for bacterial species:
according to the table data, the viscose macrobiological fiber containing the active ingredients of the albizia julibrissin, the olive, the mint and the lavender has small molecular weight, can be rapidly absorbed by human bodies, can pass through blood brain barriers and enter adipose tissues, and further has the functions of helping the human bodies to defend radiation, eliminating fatigue, protecting blood vessels, preventing arteriosclerosis, expanding capillaries, dredging microcirculation, activating brain and other visceral cells, resisting fat oxidation and aging, and the sensitive formula tightening and anti-wrinkling powder/tightening and anti-wrinkling water plays a role in tightening skin.
The invention provides a viscose large biological fiber containing active ingredients of albizia julibrissin, olive, peppermint and lavender and a preparation method thereof, and the viscose large biological fiber comprises the following steps: step one, raw material preparation, crushing albizia julibrissin, olive, peppermint and lavender which are rich in flavone active ingredients, curing and soaking, filtering by active carbon and resin to obtain an active ingredient extract, wherein the standard of the crushing treatment is 1 mm diameter, and before crushing the material, additional airing and drying in the shade are needed, the water content is not higher than 10%, the active carbon and the resin are prepared, wherein the active carbon is sintered active carbon, the coconut shell sintered active carbon is the optimal, the resin is adsorption resin, the natural bioflavonoids have small molecular weight, can be rapidly absorbed by human bodies, can pass through blood brain barriers, can enter adipose tissues, and further have the following functions: helping human body defend radiation, eliminate fatigue, protect blood vessel, prevent arteriosclerosis, dilate capillary vessel, dredge microcirculation, activate brain and other organ cells, resist fat oxidation and aging, step two, utilizing active component extract, sealing and heating, then injecting sufficient ethanol solution, centrifuging to obtain supernatant for later use, sealing and heating, heating temperature is guaranteed to be 60 ℃, heating time is not less than 2 hours, ethanol solution adopts 95% concentration, centrifuging speed is 500 revolutions per minute, centrifuging time is 20 minutes, supernatant taking and centrifuging are required to be kept stand for 1 hour, centrifuging is adopted, flavone extraction efficiency can be improved, active component is prevented from being wasted, flavone can be efficiently absorbed by adopting 95% concentration through ethanol solution, step three, active component concentration, sealing treatment is carried out on supernatant, pressurizing is carried out on macroporous resin, eluting treatment is carried out on supernatant, flavone concentrate is obtained, sealing treatment and pressurizing are carried out on supernatant, wherein the pressurizing pressure is 0.2 megapascal, absolute ethyl alcohol is adopted for elution, the eluting time is not less than 1 hour, through punching resin, step four, cellulose pulp is soaked in alkali liquor to generate alkali cellulose, sulfur dioxide and the alkali cellulose are reacted to generate sodium cellulose xanthate, and then the sodium cellulose xanthate is dissolved in dilute alkali liquor to prepare viscose; 8-20g of porous nano material with particle size of 8000-10000 meshes, 0.005-0.05g of coupling agent, 0.006-0.07g of surfactant and prepared concentrated solution of flavone are taken for first shearing, then polyimide acid solution is added for second shearing, then stabilizer is added for original shearing dispersion to obtain stable nano composite suspension dispersion, then solvent is volatilized to obtain dried porous molecular nest containing extract of albizia, olive, peppermint and lavender, viscose spinning stock solution is mixed with weakly acidic polyacrylamide in advance, macroporous adsorption resin takes styrene and propionate as monomers, vinylbenzene as cross-linking agent is added, toluene and xylene are taken as pore-forming agent, the resin is generally white spherical particles with the granularity of 20-60 meshes, is a cross-linked polymer containing ion exchange groups, has stable physicochemical properties, is insoluble in acid, alkali and organic solvents, is not influenced by inorganic salts and strong ionic low molecular compounds, and is subjected to modification protection by virtue of Van der Waals attraction between the resin and adsorbed molecules (adsorbates) and physical adsorption through the huge specific surface, so that the organic compounds can be eluted and separated by a certain solvent according to the adsorption force and the molecular weight of the organic compounds to achieve the different purposes of separation, purification, impurity removal, concentration and the like, and the fifth step is molecular nest modification protection: adding a sufficient amount of ethanol solution into the porous molecular nest, and preparing a protective film by combining sodium alginate/chitosan to obtain a modified molecular nest, wherein in the sixth step, the preparation of viscose large biological fibers containing active ingredients of albizia, olive, peppermint and lavender comprises the following steps: adding modified molecular nest into the obtained viscose, uniformly mixing, preparing viscose large biological fiber containing active ingredients through a wet spinning process, performing color fixing treatment, and performing steam color fixing treatment by injecting a sufficient amount of color fixing agent after the preparation is finished.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles of the present invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The viscose large biological fiber containing active ingredients of albizia julibrissin, olive, peppermint and lavender and the preparation method thereof are characterized by comprising the following steps:
s1, preparing raw materials, namely crushing albizia julibrissin, olive, mint and lavender which are rich in flavone active ingredients, curing and soaking, and filtering with active carbon and resin to obtain an active ingredient extract of albizia julibrissin, olive, mint and lavender;
s2, sealing and heating an active ingredient extracting solution of albizia julibrissin, olive, mint and lavender, then injecting a sufficient amount of ethanol solution, and carrying out centrifugal treatment to obtain a supernatant for later use;
s3, concentrating active ingredients of the albizia julibrissin, the olive, the mint and the lavender, sealing the supernatant, pressurizing and conveying the supernatant to macroporous resin, and then eluting the macroporous resin to obtain a concentrated solution of flavone;
s4, soaking cellulose pulp in alkali liquor to generate alkali cellulose, reacting sulfur dioxide with the alkali cellulose to generate sodium cellulose xanthate, and dissolving the sodium cellulose xanthate in the diluted alkali liquor to prepare viscose; taking 8-20g of porous nano material with particle size of 8000-10000 meshes, 0.005-0.05g of coupling agent, 0.006-0.07g of surfactant and prepared concentrated solution of flavone, performing first shearing, then adding polyimide acid solution, performing second shearing, then adding stabilizer, performing original shearing and dispersing to obtain stable nano composite suspension dispersion, and volatilizing the solvent to obtain a dried porous molecular nest containing albizia julibrissin, olive, peppermint and lavender extracts;
s5, modifying and protecting a molecular nest: adding a sufficient amount of ethanol solution into the porous molecular nest, and preparing a protective film by combining sodium alginate/chitosan to obtain a modified molecular nest;
s6, preparing viscose macrobiological fibers containing active ingredients of albizia julibrissin, olive, mint and lavender: adding modified molecular nest into the obtained viscose, uniformly mixing, and preparing viscose large biological fiber containing active ingredients of albizia, olive, peppermint and lavender by a wet spinning process;
s7, performing fixation treatment, namely performing steam fixation treatment by injecting a sufficient amount of fixation agent after preparation.
2. The viscose macrobiosis containing active ingredients of albizia julibrissin, olive, peppermint and lavender according to claim 1 and its preparation method, characterized by comprising the following steps: according to the operation step in the first step, the standard of the crushing treatment is 1 mm diameter, and before the materials of the albizia julibrissin, the olive, the mint and the lavender are crushed, additional airing and drying treatment in the shade are needed, and the water content is not higher than 10%.
3. The viscose macrobiosis containing active ingredients of albizia julibrissin, olive, peppermint and lavender according to claim 1 and its preparation method, characterized by comprising the following steps: according to the operation step in the step one, the activated carbon and the resin are adopted, wherein the activated carbon is sintered activated carbon, and the coconut shell sintered activated carbon is adopted as the optimal, and the resin is an adsorption resin.
4. The viscose macrobiosis containing active ingredients of albizia julibrissin, olive, peppermint and lavender according to claim 1 and its preparation method, characterized by comprising the following steps: according to the operation step in the step two, the sealing heating is carried out, the heating temperature is ensured to be 60 ℃, and the heating time is not less than 2 hours.
5. The viscose macrobiosis containing active ingredients of albizia julibrissin, olive, peppermint and lavender according to claim 1 and its preparation method, characterized by comprising the following steps: according to the operation step in the second step, the ethanol solution adopts a concentration of 95%, the rotation speed of the centrifugation treatment is 500 revolutions per minute, the centrifugation time is 20 minutes, and the supernatant liquid is required to be kept stand for 1 hour after the centrifugation.
6. The viscose macrobiosis containing active ingredients of albizia julibrissin, olive, peppermint and lavender according to claim 1 and its preparation method, characterized by comprising the following steps: according to the operation step in the third step, the supernatant is subjected to sealing treatment pressurization, wherein the pressurization pressure is 0.2 megapascals.
7. The viscose macrobiosis containing active ingredients of albizia julibrissin, olive, peppermint and lavender according to claim 1 and its preparation method, characterized by comprising the following steps: according to the operation step in the third step, absolute ethyl alcohol is adopted for elution, and the elution time is not less than 1 hour.
8. The viscose macrobiosis containing active ingredients of albizia julibrissin, olive, peppermint and lavender according to claim 1 and its preparation method, characterized by comprising the following steps: according to the operation step in the step four, the alkali solution adopts sodium carbonate solution or potassium carbonate solution.
9. The viscose macrobiosis containing active ingredients of albizia julibrissin, olive, peppermint and lavender according to claim 1 and its preparation method, characterized by comprising the following steps: according to the operation step in the step seven, the color fixing agent is polydimethyldiallyl ammonium chloride.
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