CN116834471A - Method for dyeing dark red rose immortal flowers by using natural shikonin - Google Patents
Method for dyeing dark red rose immortal flowers by using natural shikonin Download PDFInfo
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- CN116834471A CN116834471A CN202310557109.4A CN202310557109A CN116834471A CN 116834471 A CN116834471 A CN 116834471A CN 202310557109 A CN202310557109 A CN 202310557109A CN 116834471 A CN116834471 A CN 116834471A
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- 241001071917 Lithospermum Species 0.000 title claims abstract description 114
- NEZONWMXZKDMKF-JTQLQIEISA-N Alkannin Chemical compound C1=CC(O)=C2C(=O)C([C@@H](O)CC=C(C)C)=CC(=O)C2=C1O NEZONWMXZKDMKF-JTQLQIEISA-N 0.000 title claims abstract description 112
- UNNKKUDWEASWDN-UHFFFAOYSA-N alkannin Natural products CC(=CCC(O)c1cc(O)c2C(=O)C=CC(=O)c2c1O)C UNNKKUDWEASWDN-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 244000181025 Rosa gallica Species 0.000 title claims abstract description 58
- 235000000533 Rosa gallica Nutrition 0.000 title claims abstract description 58
- 238000004043 dyeing Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 20
- 241000220317 Rosa Species 0.000 claims abstract description 49
- 238000001035 drying Methods 0.000 claims abstract description 20
- 235000004789 Rosa xanthina Nutrition 0.000 claims abstract description 14
- 241000109329 Rosa xanthina Species 0.000 claims abstract description 13
- 230000018044 dehydration Effects 0.000 claims abstract description 7
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 112
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 72
- 239000000243 solution Substances 0.000 claims description 29
- 239000011259 mixed solution Substances 0.000 claims description 20
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- 238000002791 soaking Methods 0.000 claims description 18
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- 239000002202 Polyethylene glycol Substances 0.000 claims description 12
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 12
- 229920001223 polyethylene glycol Polymers 0.000 claims description 12
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 241000628997 Flos Species 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- 239000005725 8-Hydroxyquinoline Substances 0.000 claims description 6
- 229960000583 acetic acid Drugs 0.000 claims description 6
- 238000007598 dipping method Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000004108 freeze drying Methods 0.000 claims description 6
- 239000012362 glacial acetic acid Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 229960003540 oxyquinoline Drugs 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000003755 preservative agent Substances 0.000 claims description 6
- 230000002335 preservative effect Effects 0.000 claims description 6
- 238000010298 pulverizing process Methods 0.000 claims description 6
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 229920001661 Chitosan Polymers 0.000 claims description 4
- 229940049638 carbomer homopolymer type c Drugs 0.000 claims description 4
- 229940043234 carbomer-940 Drugs 0.000 claims description 4
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 4
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 4
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 4
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 4
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 4
- 229920006316 polyvinylpyrrolidine Polymers 0.000 claims description 4
- 238000002137 ultrasound extraction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- 239000002932 luster Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 239000000975 dye Substances 0.000 description 34
- 241000196324 Embryophyta Species 0.000 description 4
- 235000014486 Hydrangea macrophylla Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 244000267823 Hydrangea macrophylla Species 0.000 description 1
- 241001091442 Hydrangeaceae Species 0.000 description 1
- 235000011449 Rosa Nutrition 0.000 description 1
- 235000000659 Rosa rugosa Nutrition 0.000 description 1
- 240000006066 Rosa rugosa Species 0.000 description 1
- 241000220222 Rosaceae Species 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 239000000979 synthetic dye Substances 0.000 description 1
- 239000001040 synthetic pigment Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/06—Natural ornaments; Imitations thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N3/00—Preservation of plants or parts thereof, e.g. inhibiting evaporation, improvement of the appearance of leaves or protection against physical influences such as UV radiation using chemical compositions; Grafting wax
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B61/00—Dyes of natural origin prepared from natural sources, e.g. vegetable sources
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0096—Purification; Precipitation; Filtration
Abstract
The invention relates to a method for dyeing dark red rose immortalized flowers by using natural shikonin, which belongs to the technical field of immortalized flower production and comprises the steps of natural shikonin extraction, fresh flower selection and fixation, fresh flower rinsing, dehydration, dyeing and drying preservation; according to the invention, natural lithospermum with better stability is used as a dye, fresh cut flowers of the roses are used as raw materials, proper flowers are selected, and then the processes of fixing, rinsing, dewatering, decoloring, dyeing, drying, oiling, drying in the shade and the like are carried out, so that the whole process is convenient and environment-friendly, nontoxic, mass production can be carried out, the prepared rose immortalized flowers are natural and uniform in color and luster and attractive, the flowers are full in shape and have texture, the simulation degree of the flowers is high, the flowers are difficult to fade, the flowers can be stored for a long time, and the development prospect in the production and application of the immortalized flowers is good.
Description
Technical Field
The invention belongs to the technical field of immortalized flower production, and particularly relates to a method for dyeing dark red rose immortalized flowers by using natural shikonin.
Background
Roses (Rosa rugosa) are perennial evergreen or deciduous bush of rosaceae, rosa, and are planted in a range that is mostly distributed throughout the world in the northern hemisphere, with countries such as bulgaria, turkish, morocco, france, russia, and the like being the main. The rose is one of the traditional ten-large flowers in China, is native to the north of China, is one of classical ornamental flowers, contains rich cultural connotations, symbolizes love and is beautiful, has the reputation of loving flowers, and has different flowers and words. The rose has great application potential and economic benefit, and can be used for greening, beautifying and scenting environment. At present, the rose is used as one of main flower varieties in the fresh cut flower market, the cultivation technology is mature, the yield is high, but the rose is tender and easy to rot, and the loss of flowers can be caused by a little careless in production or market circulation. In addition, the high transportation cost, the short shelf life of flowers, pollen sensitization and the like limit the industrial development of the flowers.
The immortal flower (Preserved Fresh Flower) is also called as 'fresh flower which never withers', and is prepared from fresh cut flowers such as roses, hydrangeas and the like through water, decolorization, dyeing and drying, and the flower has emerged in Germany in the last century. The color, shape, state and even hand feeling of the immortalized flowers are similar to those of the fresh flowers, so that the texture of the fresh flowers is maintained, the color variety of the immortalized flowers is enriched, and the application range is widened. The variety of immortalized flowers is numerous, such as: flos Rosae Rugosae, hydrangea, flos Chrysanthemi, etc. The processed immortalized flowers can be preserved for 2-3 years or even 5 years. Therefore, the immortalized flowers improve the ornamental life of the fresh cut flowers, and make up for the defects of short inserting life and short ornamental period of the fresh cut flowers.
Currently, from the aspect of various production processes of the immortalized flowers, most of the immortalized flowers which are dehydrated and decolorized are dyed by artificial synthetic pigments, soaked by a color retention agent, and then embedded, dried or smeared with nail polish. The immortalized flowers treated in this way have unnatural colors and heavy artificial marks, and the residual synthetic dye on the flowers can pollute the environment and harm the health of human bodies. The natural plant dye is green, environment-friendly and nontoxic, has long application history in national folks in China, and can be extracted from the root, stem, leaf, flower, fruit and other parts of plants. Natural shikonin is not only a medicinal plant but also a dye plant, and natural shikonin is used for dyeing in the period of the week of the commerce in China. The natural shikonin is a main pigment component of the natural shikonin, has various pharmacological activities, and has good ultraviolet resistance, antibacterial property and the like. Among the many vegetable dyes, natural shikonin pigment is relatively stable.
The flower is characterized by moderate petal shape and thickness, easy coloring, gorgeous flower effect, and the rose immortal flower is popular with consumers, which is the main stream of the immortal flower market, has good market prospect and great economic benefit. Therefore, research on plant-dyed rose immortalized flowers is necessary.
Disclosure of Invention
In order to overcome the problems in the background technology, the invention provides a method for dyeing dark red rose immortal flowers by using natural shikonin.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
a method for dyeing dark red rose immortal flowers by using natural shikonin comprises the following steps:
s1, extracting natural shikonin: pulverizing dried radix Arnebiae to obtain natural radix Arnebiae powder, ultrasonic extracting with 95% ethanol, filtering to obtain natural shikonin dye solution, concentrating, and freeze drying to obtain natural shikonin;
s2, dye liquor preparation: the natural shikonin dye obtained in the step 1) is put into a mixed solution containing the following components in parts by volume: 70-75 parts of ethanol, 20-25 parts of PEG (polyethylene glycol) 600 and 5-10 parts of ethylene glycol; then stirring uniformly until the natural shikonin is dissolved, thus obtaining natural shikonin dye liquor;
s3, selecting fresh cut flowers of roses: selecting fresh rose flowers with full and mature flowers, bright color and distinct flower level; s4, fixing fresh flowers: placing fresh flos Rosae Rugosae into a fixing solution, standing at normal temperature, and soaking for 1 day;
s5, rinsing: rinsing the rose obtained in the step S3 with 50% ethanol for 2 times;
s6, dehydration: placing the rinsed rose in the step S5 into a mixed solution of 95% ethanol solution and 5% citric acid solution, standing and soaking for 2 days, wherein the amount of citric acid is 5% of the volume of ethanol;
s7, decoloring: putting the dehydrated rose obtained in the step S6 into a mixed solution of 95% ethanol solution, citric acid solution and sodium hypochlorite with the concentration of 10%, standing and soaking for 24 hours; wherein the amount of citric acid is 5% of the volume of ethanol, and sodium hypochlorite is 2-5% of the volume of ethanol;
s8, dyeing: putting the dehydrated and decolorized rose obtained in the step S7 into the natural shikonin dye liquor in the step S2 at the temperature of 45-55 ℃ and sealing and dyeing with a preservative film;
s9, taking the natural shikonin obtained in the step S8 to dye dark red rose, and placing the dark red rose in a cool and ventilated place, and airing the rose at normal temperature for 1 day;
s10, dyeing the dark red rose with the natural shikonin obtained in the step S9, dipping a film forming agent into the rose by using a brush, and oiling the rose;
s11, taking the oiled natural shikonin dyed dark red rose obtained in the step S10, and putting the dark red rose into a drying box for ventilation and drying treatment; s12, taking the dried oil-coated natural shikonin dyed dark red rose obtained in the step S11, fixing the base of the dried oil-coated natural shikonin dyed dark red rose on a glass cover or putting the base of the dried oil-coated natural shikonin into a transparent plastic box to avoid sunlight irradiation, and placing the dried oil-coated natural shikonin a shady and dry place.
In the step S1, the ratio of ethanol to natural shikonin is 1:20, and ultrasonic extraction is carried out for 1h at 50 ℃.
Further, the fixing liquid is: ethanol in volume ratio: 8-hydroxyquinoline: glacial acetic acid=95: 0.5: 4.5.
Further, the film forming agent is one or more of hydroxypropyl methylcellulose, carboxymethyl chitosan, polyvinyl alcohol 1788, polyvinyl alcohol 124, polyvinylpyrrolidone K30 and carbomer 940.
Further, in the step S10, the oiling amount of each rose is 8ml.
Further, in the step S11, the temperature of the oven is 40 ℃, and the drying treatment time is as follows: and 6h.
The invention has the beneficial effects that:
according to the invention, natural lithospermum with better stability is used as a dye, fresh cut flowers of the roses are used as raw materials, proper flowers are selected, and then the processes of fixing, rinsing, dewatering, decoloring, dyeing, drying, oiling, drying in the shade and the like are carried out, so that the whole process is convenient and environment-friendly, nontoxic, mass production can be carried out, the prepared rose immortalized flowers are natural and uniform in color and luster and attractive, the flowers are full in shape and have texture, the simulation degree of the flowers is high, the flowers are difficult to fade, the flowers can be stored for a long time, and the development prospect in the production and application of the immortalized flowers is good.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present invention more apparent, preferred embodiments of the present invention will be described in detail below to facilitate understanding by the skilled person.
An embodiment one, a method for dyeing a dark red rose immortal flower by using natural shikonin, comprises the following steps:
s1, extracting natural shikonin: pulverizing dried natural radix Arnebiae to obtain natural radix Arnebiae powder, ultrasonic extracting with ethanol and natural shikonin at a ratio of 1:20 at 50deg.C for 1 hr, filtering to obtain natural shikonin dye solution, concentrating, and freeze drying to obtain natural shikonin;
s2, dye liquor preparation: the natural shikonin dye obtained in the step 1) is put into a mixed solution containing the following components in parts by volume: 70 parts of ethanol, 600 parts of PEG (polyethylene glycol) and 5 parts of ethylene glycol; then stirring uniformly until the natural shikonin is dissolved, thus obtaining natural shikonin dye liquor;
s3, selecting fresh cut flowers of roses: selecting fresh rose flowers with full and mature flowers, bright color and distinct flower level; s4, fixing fresh flowers: placing fresh flos Rosae Rugosae into a fixing solution, standing at normal temperature, and soaking for 1 day; the fixing liquid comprises: ethanol in volume ratio: 8-hydroxyquinoline: glacial acetic acid=95: 0.5: 4.5.
S5, rinsing: rinsing the rose obtained in the step S3 with 50% ethanol for 2 times;
s6, dehydration: placing the roses rinsed in the step S5 into a mixed solution of 95% ethanol solution and 5% citric acid solution, standing and soaking for 2 days, wherein the amount of citric acid is as follows: 5% of ethanol volume;
s7, decoloring: putting the dehydrated rose obtained in the step S6 into a mixed solution of 95% ethanol, 5% citric acid solution and 10% sodium hypochlorite, standing and soaking for 24 hours; wherein the amount of citric acid is 5% of the volume of ethanol, and sodium hypochlorite is 3% of the volume of ethanol;
s8, dyeing: putting the dehydrated and decolorized rose obtained in the step S7 into the natural shikonin dye liquor in the step S2 at the temperature of 45-55 ℃ and sealing and dyeing with a preservative film;
s9, taking the natural shikonin obtained in the step S8 to dye dark red rose, and placing the dark red rose in a cool and ventilated place, and airing the rose at normal temperature for 1 day;
s10, dyeing dark red rose with the natural shikonin obtained in the step S9, dipping 8ml of film forming agent hydroxypropyl methylcellulose with a brush, and oiling the rose;
s11, taking the oiled natural shikonin dyed dark red rose obtained in the step S10, and putting the dark red rose into a drying box at 40 ℃ for ventilation and drying treatment for 6 hours; s12, taking the dried oil-coated natural shikonin dyed dark red rose obtained in the step S11, fixing the base of the dried oil-coated natural shikonin dyed dark red rose on a glass cover or putting the base of the dried oil-coated natural shikonin into a transparent plastic box to avoid sunlight irradiation, and placing the dried oil-coated natural shikonin a shady and dry place.
Embodiment II, a method for dyeing dark red rose immortal flowers by using natural shikonin, comprises the following steps:
s1, extracting natural shikonin: pulverizing dried natural radix Arnebiae to obtain natural radix Arnebiae powder, ultrasonic extracting with ethanol and natural shikonin at a ratio of 1:20 at 50deg.C for 1 hr, filtering to obtain natural shikonin dye solution, concentrating, and freeze drying to obtain natural shikonin;
s2, dye liquor preparation: the natural shikonin dye obtained in the step 1) is put into a mixed solution containing the following components in parts by volume: 75 parts of ethanol, 600 parts of PEG (polyethylene glycol) and 10 parts of ethylene glycol; then stirring uniformly until the natural shikonin is dissolved, thus obtaining natural shikonin dye liquor;
s3, selecting fresh cut flowers of roses: selecting fresh rose flowers with full and mature flowers, bright color and distinct flower level; s4, fixing fresh flowers: placing fresh flos Rosae Rugosae into a fixing solution, standing at normal temperature, and soaking for 1 day; the fixing liquid comprises: ethanol in volume ratio: 8-hydroxyquinoline: glacial acetic acid=95: 0.5: 4.5.
S5, rinsing: rinsing the rose obtained in the step S3 with 50% ethanol for 2 times;
s6, dehydration: putting the roses rinsed in the step S5 into a mixed solution of 95% ethanol and 5% citric acid solution, standing and soaking for 2 days, wherein the amount of citric acid is as follows: 5% of ethanol volume;
s7, decoloring: putting the dehydrated rose obtained in the step S6 into a mixed solution of 95% ethanol, 5% citric acid solution and 10% sodium hypochlorite, standing and soaking for 24 hours; wherein the amount of citric acid is 5% of the volume of ethanol, and sodium hypochlorite is 2% of the volume of ethanol;
s8, dyeing: putting the dehydrated and decolorized rose obtained in the step S7 into the natural shikonin dye liquor in the step S2 at the temperature of 45-55 ℃ and sealing and dyeing with a preservative film;
s9, taking the natural shikonin obtained in the step S8 to dye dark red rose, and placing the dark red rose in a cool and ventilated place, and airing the rose at normal temperature for 1 day;
s10, dyeing dark red rose with the natural shikonin obtained in the step S9, and dipping a film forming agent by using a brush: 8ml of a mixture of carboxymethyl chitosan and polyvinyl alcohol 1788, and oiling the rose;
s11, taking the oiled natural shikonin dyed dark red rose obtained in the step S10, and putting the dark red rose into a drying box at 40 ℃ for ventilation and drying treatment for 6 hours; s12, taking the dried oil-coated natural shikonin dyed dark red rose obtained in the step S11, fixing the base of the dried oil-coated natural shikonin dyed dark red rose on a glass cover or putting the base of the dried oil-coated natural shikonin into a transparent plastic box to avoid sunlight irradiation, and placing the dried oil-coated natural shikonin a shady and dry place.
Embodiment three, a method for dyeing a dark red rose immortal flower by using natural shikonin, comprises the following steps:
s1, extracting natural shikonin: pulverizing dried natural radix Arnebiae to obtain natural radix Arnebiae powder, ultrasonic extracting with ethanol and natural shikonin at a ratio of 1:20 at 50deg.C for 1 hr, filtering to obtain natural shikonin dye solution, concentrating, and freeze drying to obtain natural shikonin;
s2, dye liquor preparation: the natural shikonin dye obtained in the step 1) is put into a mixed solution containing the following components in parts by volume: 73 parts of ethanol, 600 parts of PEG (polyethylene glycol) and 8 parts of ethylene glycol; then stirring uniformly until the natural shikonin is dissolved, thus obtaining natural shikonin dye liquor;
s3, selecting fresh cut flowers of roses: selecting fresh rose flowers with full and mature flowers, bright color and distinct flower level; s4, fixing fresh flowers: placing fresh flos Rosae Rugosae into a fixing solution, standing at normal temperature, and soaking for 1 day; the fixing liquid comprises: ethanol in volume ratio: 8-hydroxyquinoline: glacial acetic acid=95: 0.5: 4.5.
S5, rinsing: rinsing the rose obtained in the step S3 with 50% ethanol for 2 times;
s6, dehydration: placing the rinsed rose in the step S5 into a mixed solution of 95% ethanol and citric acid, standing and soaking for 2 days, wherein the amount of the citric acid is as follows: 5% of ethanol volume;
s7, decoloring: putting the dehydrated rose obtained in the step S6 into a mixed solution of 95% ethanol, 5% citric acid solution and 10% sodium hypochlorite solution, standing and soaking for 24 hours; wherein the amount of citric acid is 5% of the volume of ethanol, and sodium hypochlorite is 5% of the volume of ethanol;
s8, dyeing: putting the dehydrated and decolorized rose obtained in the step S7 into the natural shikonin dye liquor in the step S2 at the temperature of 45-55 ℃ and sealing and dyeing with a preservative film;
s9, taking the natural shikonin obtained in the step S8 to dye dark red rose, and placing the dark red rose in a cool and ventilated place, and airing the rose at normal temperature for 1 day;
s10, dyeing dark red rose with the natural shikonin obtained in the step S9, and dipping a film forming agent by using a brush: 8ml of a mixed solution of polyvinylpyrrolidone K30 and carbomer 940, and oiling the rose;
s11, taking the oiled natural shikonin dyed dark red rose obtained in the step S10, and putting the dark red rose into a drying box at 40 ℃ for ventilation and drying treatment for 6 hours; s12, taking the dried oil-coated natural shikonin dyed dark red rose obtained in the step S11, fixing the base of the dried oil-coated natural shikonin dyed dark red rose on a glass cover or putting the base of the dried oil-coated natural shikonin into a transparent plastic box to avoid sunlight irradiation, and placing the dried oil-coated natural shikonin a shady and dry place.
In a fourth embodiment, a method for dyeing a dark red rose immortal flower by using natural shikonin comprises the following steps:
s1, extracting natural shikonin: pulverizing dried natural radix Arnebiae to obtain natural radix Arnebiae powder, ultrasonic extracting with ethanol and natural shikonin at a ratio of 1:20 at 50deg.C for 1 hr, filtering to obtain natural shikonin dye solution, concentrating, and freeze drying to obtain natural shikonin;
s2, dye liquor preparation: the natural shikonin dye obtained in the step 1) is put into a mixed solution containing the following components in parts by volume: 73 parts of ethanol, 600 parts of PEG (polyethylene glycol) and 8 parts of ethylene glycol; then stirring uniformly until the natural shikonin is dissolved, thus obtaining natural shikonin dye liquor;
s3, selecting fresh cut flowers of roses: selecting fresh rose flowers with full and mature flowers, bright color and distinct flower level; s4, fixing fresh flowers: placing fresh flos Rosae Rugosae into a fixing solution, standing at normal temperature, and soaking for 1 day; the fixing liquid comprises: ethanol in volume ratio: 8-hydroxyquinoline: glacial acetic acid=95: 0.5: 4.5.
S5, rinsing: rinsing the rose obtained in the step S3 with 50% ethanol for 2 times;
s6, dehydration: putting the roses rinsed in the step S5 into a mixed solution of 95% ethanol and 5% citric acid solution, standing and soaking for 2 days, wherein the amount of citric acid is as follows: 5% of ethanol volume;
s7, decoloring: putting the dehydrated rose obtained in the step S6 into a mixed solution of 95% ethanol, 5% citric acid solution and 10% sodium hypochlorite solution, standing and soaking for 24 hours; wherein the amount of citric acid is 5% of the volume of ethanol, and sodium hypochlorite is 5% of the volume of ethanol;
s8, dyeing: putting the dehydrated and decolorized rose obtained in the step S7 into the natural shikonin dye liquor in the step S2 at the temperature of 45-55 ℃ and sealing and dyeing with a preservative film;
s9, taking the natural shikonin obtained in the step S8 to dye dark red rose, and placing the dark red rose in a cool and ventilated place, and airing the rose at normal temperature for 1 day;
s10, dyeing dark red rose with the natural shikonin obtained in the step S9, and dipping a film forming agent by using a brush: 8ml of a mixed solution of hydroxypropyl methyl cellulose, carboxymethyl chitosan, polyvinyl alcohol 1788, polyvinyl alcohol 124, polyvinylpyrrolidone K30 and carbomer 940, and oiling rose;
s11, taking the oiled natural shikonin dyed dark red rose obtained in the step S10, and putting the dark red rose into a drying box at 40 ℃ for ventilation and drying treatment for 6 hours; s12, taking the dried oil-coated natural shikonin dyed dark red rose obtained in the step S11, fixing the base of the dried oil-coated natural shikonin dyed dark red rose on a glass cover or putting the base of the dried oil-coated natural shikonin into a transparent plastic box to avoid sunlight irradiation, and placing the dried oil-coated natural shikonin a shady and dry place.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (6)
1. A method for dyeing dark red rose immortal flowers by using natural shikonin is characterized in that: comprises the following steps:
s1, extracting natural shikonin: pulverizing dried radix Arnebiae to obtain natural radix Arnebiae powder, ultrasonic extracting with 95% ethanol, filtering to obtain natural shikonin dye solution, concentrating, and freeze drying to obtain natural shikonin;
s2, dye liquor preparation: the natural shikonin dye obtained in the step 1) is put into a mixed solution containing the following components in parts by volume: 70-75 parts of ethanol, 20-25 parts of PEG (polyethylene glycol) 600 and 5-10 parts of ethylene glycol; then stirring uniformly until the natural shikonin is dissolved, thus obtaining natural shikonin dye liquor;
s3, selecting fresh cut flowers of roses: selecting fresh rose flowers with full and mature flowers, bright color and distinct flower level; s4, fixing fresh flowers: placing fresh flos Rosae Rugosae into a fixing solution, standing at normal temperature, and soaking for 1 day;
s5, rinsing: rinsing the rose obtained in the step S3 with 50% ethanol for 2 times;
s6, dehydration: placing the rinsed rose in the step S5 into a mixed solution of 95% ethanol and 5% citric acid, standing and soaking for 2 days, wherein the amount of citric acid is 5% of the volume of ethanol;
s7, decoloring: putting the dehydrated rose obtained in the step S6 into a mixed solution of 95% ethanol solution, 5% citric acid solution and 10% sodium hypochlorite, standing and soaking for 24 hours; wherein the amount of citric acid is 5% of the volume of ethanol, and sodium hypochlorite is 2-5% of the volume of ethanol;
s8, dyeing: putting the dehydrated and decolorized rose obtained in the step S7 into the natural shikonin dye liquor in the step S2 at the temperature of 45-55 ℃ and sealing and dyeing with a preservative film;
s9, taking the natural shikonin obtained in the step S8 to dye dark red rose, and placing the dark red rose in a cool and ventilated place, and airing the rose at normal temperature for 1 day;
s10, dyeing the dark red rose with the natural shikonin obtained in the step S9, dipping a film forming agent into the rose by using a brush, and oiling the rose;
s11, taking the oiled natural shikonin dyed dark red rose obtained in the step S10, and putting the dark red rose into a drying box for ventilation and drying treatment; s12, taking the dried oil-coated natural shikonin dyed dark red rose obtained in the step S11, fixing the base of the dried oil-coated natural shikonin dyed dark red rose on a glass cover or putting the base of the dried oil-coated natural shikonin into a transparent plastic box to avoid sunlight irradiation, and placing the dried oil-coated natural shikonin a shady and dry place.
2. The method for dyeing the dark red rose immortal flowers by using natural shikonin according to claim 1, which is characterized in that: in the step S1, the feed liquid ratio of the ethanol to the natural shikonin is 1:20, and the ultrasonic extraction is carried out for 1h at 50 ℃.
3. The method for dyeing the dark red rose immortal flowers by using natural shikonin according to claim 1, which is characterized in that: the fixing liquid is as follows: ethanol in volume ratio: 8-hydroxyquinoline: glacial acetic acid=95: 0.5: 4.5.
4. The method for dyeing the dark red rose immortal flowers by using natural shikonin according to claim 1, which is characterized in that: the film forming agent is one or more of hydroxypropyl methyl cellulose, carboxymethyl chitosan, polyvinyl alcohol 1788, polyvinyl alcohol 124, polyvinylpyrrolidone K30 and carbomer 940.
5. The method for dyeing the dark red rose immortal flowers by using natural shikonin according to claim 1, which is characterized in that: in the step S10, the oiling amount of each rose is 8ml.
6. The method for dyeing the dark red rose immortal flowers by using natural shikonin according to claim 1, which is characterized in that: in the step S11, the temperature of the oven is 40 ℃, and the drying treatment time is as follows: and 6h.
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| CN1602683A (en) * | 2004-08-19 | 2005-04-06 | 中国农业大学 | Carnation cutting flower pretreating liquid and its using method |
| CN101914305A (en) * | 2010-08-11 | 2010-12-15 | 常州大学 | Extraction of natural gromwell dye and application thereof |
| CN107234920A (en) * | 2017-05-06 | 2017-10-10 | 云南万融花卉有限公司 | A kind of manufacture craft of rose immortality flower |
| CN110774818A (en) * | 2019-11-06 | 2020-02-11 | 石林华莱永生花卉有限公司 | Method for decoloring, soaking, dyeing and preserving permanent flower |
| KR102476841B1 (en) * | 2021-07-12 | 2022-12-09 | 이동언 | Preserved flower manufacturing method using fresh flowers made of blossoms and stems as they are, and preserved flowers manufactured by the manufacturing method |
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- 2023-05-17 CN CN202310557109.4A patent/CN116834471A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1602683A (en) * | 2004-08-19 | 2005-04-06 | 中国农业大学 | Carnation cutting flower pretreating liquid and its using method |
| CN101914305A (en) * | 2010-08-11 | 2010-12-15 | 常州大学 | Extraction of natural gromwell dye and application thereof |
| CN107234920A (en) * | 2017-05-06 | 2017-10-10 | 云南万融花卉有限公司 | A kind of manufacture craft of rose immortality flower |
| CN110774818A (en) * | 2019-11-06 | 2020-02-11 | 石林华莱永生花卉有限公司 | Method for decoloring, soaking, dyeing and preserving permanent flower |
| KR102476841B1 (en) * | 2021-07-12 | 2022-12-09 | 이동언 | Preserved flower manufacturing method using fresh flowers made of blossoms and stems as they are, and preserved flowers manufactured by the manufacturing method |
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