CN107056741A - A kind of preparation technology of Application of Mulberry Anthocyanins powder - Google Patents
A kind of preparation technology of Application of Mulberry Anthocyanins powder Download PDFInfo
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- CN107056741A CN107056741A CN201710460607.1A CN201710460607A CN107056741A CN 107056741 A CN107056741 A CN 107056741A CN 201710460607 A CN201710460607 A CN 201710460607A CN 107056741 A CN107056741 A CN 107056741A
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
- C07D311/60—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with aryl radicals attached in position 2
- C07D311/62—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with aryl radicals attached in position 2 with oxygen atoms directly attached in position 3, e.g. anthocyanidins
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
The invention discloses a kind of preparation technology of Application of Mulberry Anthocyanins powder, it is characterised in that comprises the following steps：1. ultrasonic assistant enzyme process is extracted；2. flocculation filtration；3. ultrafiltration；4. resin adsorption；5. tubular nanofiltration membrane component system is used, permeate and trapped fluid is obtained, realizes the separation of feed liquid and eluting solvent, so that feed liquid be concentrated, obtain concentrate；6. it is spray-dried.A kind of preparation technology of Application of Mulberry Anthocyanins powder of the present invention, effectively overcome each side problems such as recovery rate low, purification effect is undesirable, fouling membrane is big, the organic solvent energy consumption height of the presence of Application of Mulberry Anthocyanins existing process, green, the safe efficient extraction of Application of Mulberry Anthocyanins and Application of Mulberry Anthocyanins powder is realized, and saves the energy, save man-hour.
Description
Technical field
Field, particularly a kind of preparation technology of Application of Mulberry Anthocyanins powder are extracted the present invention relates to natural drug.
Background technology
With the enhancing of the food-safe consciousness of people, the safety issue of food coloring is by most attention.Naturally
Pigment is then increasingly subject to the favor of consumer as the food coloring of safety, replaces synthetic dyestuff gesture must using natural pigment
OK.Anthocyanidin in addition to as a kind of natural pigment, also with it is anti-oxidant, capture oxygen radical ability, some diseases can be prevented and treated
Generation, be the natural active matter that a class has healthcare function, be described as after water, protein, fat, carbohydrate, dimension
The seventh-largest essential nutrients after raw element, mineral matter.Mulberry fruit（Sorosis）Always just there is the title of " holy fruit among the people ", arranged by the Ministry of Public Health
For " integration of drinking and medicinal herbs fruit ", and it is the preferable plant origin of anthocyanidin, therefore Application of Mulberry Anthocyanins is deep at present is favored by market, market
Prospect is considerable.
But the industrialization development of China Application of Mulberry Anthocyanins is still in the starting stage at present, yield is smaller, and product containing
Shortcomings are gone back in terms of amount, performance and quality.
The content of the invention
It is an object of the present invention to provide a kind of preparation technology of Application of Mulberry Anthocyanins powder, effectively overcomes mulberry fruit cyanine
The each side problems such as recovery rate low, purification effect is undesirable, fouling membrane is big, the organic solvent energy consumption height that plain existing process is present,
Green, the safe efficient extraction of Application of Mulberry Anthocyanins and Application of Mulberry Anthocyanins powder is realized, and saves the energy, save man-hour.
Technical scheme：A kind of preparation technology of Application of Mulberry Anthocyanins powder, it is characterised in that including following step
Suddenly：
1. ultrasonic assistant enzyme process is extracted：Under ultrasound condition, first mulberry fruit is entered using the mixed enzyme of cellulase and pectase
Row enzymolysis, then solution extraction of the hydrochloric acid mass fraction of deoxidized water formation for 0.1~0.2wt% is dissolved in hydrochloric acid, obtain anthocyanidin
Extract solution；
2. flocculation filtration：Bodied ferric sulfate is added in above-mentioned anthocyanidin extract solution, and is filtered, tannin, carbohydrate is removed, has
The impurity such as machine acid and fiber；
3. ultrafiltration：After flocculation, first pass through elimination and remove flocculate precipitate, then handled through hollow fiber uf membrane system, remove egg
The impurity such as white matter, mucilaginous substance, saponin；
4. resin adsorption：Using anthocyanidin active ingredient in the above-mentioned concentrate of macroporous resin adsorption, then using 40~55%
Ethanol water is eluted to the anthocyanidin active ingredient adsorbed on macroreticular resin, obtains eluent；
5. tubular nanofiltration membrane component system is used, permeate and trapped fluid is obtained, realizes the separation of feed liquid and eluting solvent, so that
Feed liquid is concentrated, concentrate is obtained；
6. it is spray-dried：Above-mentioned concentrate is spray-dried, anthocyanidin powder is obtained.
A kind of preparation technology of foregoing Application of Mulberry Anthocyanins powder, the step 1. in, ultrasonic condition is ultrasonic time
20~30min, 60~70w of ultrasonic power, 50~60KHz of supersonic frequency.
A kind of preparation technology of foregoing Application of Mulberry Anthocyanins powder, the step 1. in, extraction is the temperature at 70~90 DEG C
Under degree, it is 1 ︰ 3~6 to control solid-liquid ratio, and 3~5 extractions are carried out to the mulberry fruit after enzymolysis, extracts to merge after 2~3h every time and extracts
Liquid.
A kind of preparation technology of foregoing Application of Mulberry Anthocyanins powder, the step 1. in, mixed enzyme cellulase and fruit
Glue enzyme is constituted with 1 ︰ 0.7~0.8 ratio, and in enzymolysis, control temperature is at 50~60 DEG C, and PH is 4~6.
A kind of preparation technology of foregoing Application of Mulberry Anthocyanins powder, the step 2. in, the usage amount of bodied ferric sulfate is
350~600ppm.
A kind of preparation technology of foregoing Application of Mulberry Anthocyanins powder, it is characterised in that the step 6. in, spray drying
Time is 5~6h.
Compared with prior art, the present invention combines ultrasonic technique and zymolysis technique, and breaks through traditional ethanol solvent and carry
Take, using the aqueous solution containing a small amount of hydrochloric acid, selected by enzyme, enzyme dosage, hydrolysis temperature, enzymatic hydrolysis system pH value, ultrasonic time, super
Acoustical power etc. is studied, successful design ultrasonic assistant enzyme process extraction process, and product yield is up to 94%.The technological operation is simple, right
Environment does not have any pollution, overcomes the low and certain environmental pollution sex chromosome mosaicism of the recovery rate of existing extractive technique presence.
Flocculation, ultrafiltration and the nanofiltration new technology occurred in the projects such as the existing industrialization of of the invention fully integrated use, if
The integrated purification technique of flocculation+ultrafiltration+macroporous resin adsorption+nanofiltration concentration is counted.Used first before absorption upper prop and flocculate+surpass
The integrated technology of filter, makes two new technologies give play to the effect of complementing each other, effectively removes a large amount of impurity, reaches that high-purity will
Ask, and mitigate pollution of the extract solution to resin, extend resin usage cycles：1）Flocculation technique is used before ultrafiltration, is on the one hand had
Effect removes the impurity such as tannin, carbohydrate, fiber and organic acid, on the other hand reduces the impurity such as saponin, mucilaginous substance, protein to ultrafiltration
Influential effect, to improve ultrafiltration effect, prolonging service lifetime of film；2）Hyperfiltration technique is used after flocculation, making for flocculant can be reduced
With so as to reduce the effective ingredient loss that mud yield and mud carrying are caused.Secondly after macroporous absorption, addition application again
Nanofiltration, the technology can be reduced refers to selective requirement to tree, reduces former absorbing process effective ingredient loss, further removes
The small molecular weight impurities such as organic acid, salt, and feed liquid can be concentrated 20 times or so, solve organic eluent（Solvent）Energy in recovery
Consumption, the problem of solvent consumption is big, energy conservation and consumption reduction effects substantially, reduce production cost.
The present invention uses spray drying technology, while the solidification of anthocyanidin extract solution is realized, effectively increases product
Stability, simultaneous spray drying technology saves the energy than traditional technology that is dried under reduced pressure, and saves man-hour.The original substantially of spray drying
Reason is that certain density liquid material is injected into misty liquid droplets using the effect of high speed centrifugal atomization device, falls within certain flow rate
In thermal current, thermal current can be such that drop dries rapidly, finally obtain solid powder.The present invention uses spray drying technology, makes
Anthocyanidin moment is dried to solid powder by liquid, and heated drying time is only tens seconds, and heated time substantially shortens, effectively
Anthocyanidin is avoided to be influenced by temperature.Meanwhile, the anthocyanidin powder flowbility obtained using spray drying is good, and shatter value is high,
Further crushing operation process is needed not move through, can be directly as merchandise sales.
Embodiment
The present invention is further illustrated for example below, but is not intended as to the foundation of the invention limited.
Embodiment 1：
A kind of preparation technology of Application of Mulberry Anthocyanins powder, comprises the following steps：
1. ultrasonic assistant enzyme process is extracted：Under ultrasound condition（Ultrasonic time 20min, ultrasonic power 70w, supersonic frequency
60KHz）, first mulberry fruit is digested using the mixed enzyme of cellulase and pectase, mixed enzyme cellulase and pectase
Constituted with 1 ︰ 0.7 ratio, and in enzymolysis, control temperature is at 60 DEG C, and PH is 6；Deoxidized water formation is dissolved in hydrochloric acid again
Hydrochloric acid mass fraction extracts for 0.2wt% solution, at a temperature of 90 DEG C, and it is 1 ︰ 3 to control solid-liquid ratio, to the mulberries after enzymolysis
3 extractions are carried out, merges extract solution after extracting 3h every time, obtains anthocyanidin extract solution；
2. flocculation filtration：Bodied ferric sulfate is added in above-mentioned anthocyanidin extract solution, usage amount is 600ppm, and is filtered,
Remove the impurity such as tannin, carbohydrate, organic acid and fiber；
3. ultrafiltration：After flocculation, first pass through elimination and remove flocculate precipitate, then handled through hollow fiber uf membrane system, remove egg
The impurity such as white matter, mucilaginous substance, saponin；
4. resin adsorption：Using anthocyanidin active ingredient in the above-mentioned concentrate of macroporous resin adsorption, then using 55% ethanol
The aqueous solution is eluted to the anthocyanidin active ingredient adsorbed on macroreticular resin, obtains eluent；
5. tubular nanofiltration membrane component system is used, permeate and trapped fluid is obtained, realizes the separation of feed liquid and eluting solvent, so that
Feed liquid is concentrated, concentrate is obtained；
6. it is spray-dried：Above-mentioned concentrate is spray-dried, the time of spray drying is 6h, obtains anthocyanidin powder.
Embodiment 2：
A kind of preparation technology of Application of Mulberry Anthocyanins powder, comprises the following steps：
1. ultrasonic assistant enzyme process is extracted：Under ultrasound condition（Ultrasonic time 30min, ultrasonic power 60w, supersonic frequency
50KHz）, first mulberry fruit is digested using the mixed enzyme of cellulase and pectase, mixed enzyme cellulase and pectase
Constituted with 1 ︰ 0.7 ratio, and in enzymolysis, control temperature is at 50 DEG C, and PH is 4；Deoxidized water formation is dissolved in hydrochloric acid again
Hydrochloric acid mass fraction extracts for 0.2wt% solution, at a temperature of 70 DEG C, and it is 1 ︰ 6 to control solid-liquid ratio, to the mulberries after enzymolysis
5 extractions are carried out, merges extract solution after extracting 3h every time, obtains anthocyanidin extract solution；
2. flocculation filtration：Bodied ferric sulfate is added in above-mentioned anthocyanidin extract solution, usage amount is 350ppm, and is filtered,
Remove the impurity such as tannin, carbohydrate, organic acid and fiber；
3. ultrafiltration：After flocculation, first pass through elimination and remove flocculate precipitate, then handled through hollow fiber uf membrane system, remove egg
The impurity such as white matter, mucilaginous substance, saponin；
4. resin adsorption：Using anthocyanidin active ingredient in the above-mentioned concentrate of macroporous resin adsorption, then using 40% ethanol
The aqueous solution is eluted to the anthocyanidin active ingredient adsorbed on macroreticular resin, obtains eluent；
5. tubular nanofiltration membrane component system is used, permeate and trapped fluid is obtained, realizes the separation of feed liquid and eluting solvent, so that
Feed liquid is concentrated, concentrate is obtained；
6. it is spray-dried：Above-mentioned concentrate is spray-dried, the time of spray drying is 5h, obtains anthocyanidin powder.
Embodiment 3：
A kind of preparation technology of Application of Mulberry Anthocyanins powder, comprises the following steps：
1. ultrasonic assistant enzyme process is extracted：Under ultrasound condition（Ultrasonic time 30min, ultrasonic power 70w, supersonic frequency
60KHz）, first mulberry fruit is digested using the mixed enzyme of cellulase and pectase, mixed enzyme cellulase and pectase
Constituted with 1 ︰ 0.8 ratio, and in enzymolysis, control temperature is at 60 DEG C, and PH is 4；Deoxidized water formation is dissolved in hydrochloric acid again
Hydrochloric acid mass fraction extracts for 0.1wt% solution, at a temperature of 90 DEG C, and it is 1 ︰ 6 to control solid-liquid ratio, to the mulberries after enzymolysis
5 extractions are carried out, merges extract solution after extracting 2h every time, obtains anthocyanidin extract solution；
2. flocculation filtration：Bodied ferric sulfate is added in above-mentioned anthocyanidin extract solution, usage amount is 500ppm, and is filtered,
Remove the impurity such as tannin, carbohydrate, organic acid and fiber；
3. ultrafiltration：After flocculation, first pass through elimination and remove flocculate precipitate, then handled through hollow fiber uf membrane system, remove egg
The impurity such as white matter, mucilaginous substance, saponin；
4. resin adsorption：Using anthocyanidin active ingredient in the above-mentioned concentrate of macroporous resin adsorption, then using 50% ethanol
The aqueous solution is eluted to the anthocyanidin active ingredient adsorbed on macroreticular resin, obtains eluent；
5. tubular nanofiltration membrane component system is used, permeate and trapped fluid is obtained, realizes the separation of feed liquid and eluting solvent, so that
Feed liquid is concentrated, concentrate is obtained；
6. it is spray-dried：Above-mentioned concentrate is spray-dried, the time of spray drying is 6h, obtains anthocyanidin powder.
Embodiment 4：
A kind of preparation technology of Application of Mulberry Anthocyanins powder, comprises the following steps：
1. ultrasonic assistant enzyme process is extracted：Under ultrasound condition（Ultrasonic time 25min, ultrasonic power 65w, supersonic frequency
55KHz）, first mulberry fruit is digested using the mixed enzyme of cellulase and pectase, mixed enzyme cellulase and pectase
Constituted with 1 ︰ 0.8 ratio, and in enzymolysis, control temperature is at 55 DEG C, and PH is 6；Deoxidized water formation is dissolved in hydrochloric acid again
Hydrochloric acid mass fraction extracts for 0.1wt% solution, at a temperature of 80 DEG C, and it is 1 ︰ 5 to control solid-liquid ratio, to the mulberries after enzymolysis
4 extractions are carried out, merges extract solution after extracting 2h every time, obtains anthocyanidin extract solution；
2. flocculation filtration：Bodied ferric sulfate is added in above-mentioned anthocyanidin extract solution, usage amount is 400ppm, and is filtered,
Remove the impurity such as tannin, carbohydrate, organic acid and fiber；
3. ultrafiltration：After flocculation, first pass through elimination and remove flocculate precipitate, then handled through hollow fiber uf membrane system, remove egg
The impurity such as white matter, mucilaginous substance, saponin；
4. resin adsorption：Using anthocyanidin active ingredient in the above-mentioned concentrate of macroporous resin adsorption, then using 45% ethanol
The aqueous solution is eluted to the anthocyanidin active ingredient adsorbed on macroreticular resin, obtains eluent；
5. tubular nanofiltration membrane component system is used, permeate and trapped fluid is obtained, realizes the separation of feed liquid and eluting solvent, so that
Feed liquid is concentrated, concentrate is obtained；
6. it is spray-dried：Above-mentioned concentrate is spray-dried, the time of spray drying is 5h, obtains anthocyanidin powder.
The present invention has following innovation：
1st, two emerging ancillary techniques of combined echocardiography ripple and enzymolysis, successful design ultrasonic assistant enzyme process extraction process, break through
Traditional ethanol Extraction solvent, makes product be effectively extracted in the aqueous solution containing a small amount of hydrochloric acid, product extraction rate reached 94%, work
Skill is simple, environment-friendly；
2nd, the integrated purification technique of flocculation+ultrafiltration+macroporous resin adsorption+nanofiltration concentration is devised, existing process presence is overcome
Removal of impurity it is low, loss of effective components is big, resin stain is big, usage cycles are short and organic solvent reclaims power consumption and high asked
Topic, product color is atropurpureus, and yield is up to 1.0%, and content is up to 26%；
3rd, using spray drying technology, while the solidification of anthocyanidin extract solution is realized, the stability of product is effectively increased, together
When spray drying technology save the energy than traditional technology that is dried under reduced pressure, save man-hour.
Claims (6)
1. a kind of preparation technology of Application of Mulberry Anthocyanins powder, it is characterised in that comprise the following steps：
1. ultrasonic assistant enzyme process is extracted：Under ultrasound condition, first mulberry fruit is entered using the mixed enzyme of cellulase and pectase
Row enzymolysis, then solution extraction of the hydrochloric acid mass fraction of deoxidized water formation for 0.1~0.2wt% is dissolved in hydrochloric acid, obtain anthocyanidin
Extract solution；
2. flocculation filtration：Bodied ferric sulfate is added in above-mentioned anthocyanidin extract solution, and is filtered, tannin, carbohydrate is removed, has
The impurity such as machine acid and fiber；
3. ultrafiltration：After flocculation, first pass through elimination and remove flocculate precipitate, then handled through hollow fiber uf membrane system, remove egg
The impurity such as white matter, mucilaginous substance, saponin；
4. resin adsorption：Using anthocyanidin active ingredient in the above-mentioned concentrate of macroporous resin adsorption, then using 40~55%
Ethanol water is eluted to the anthocyanidin active ingredient adsorbed on macroreticular resin, obtains eluent；
5. tubular nanofiltration membrane component system is used, permeate and trapped fluid is obtained, realizes the separation of feed liquid and eluting solvent, so that
Feed liquid is concentrated, concentrate is obtained；
6. it is spray-dried：Above-mentioned concentrate is spray-dried, anthocyanidin powder is obtained.
2. a kind of preparation technology of Application of Mulberry Anthocyanins powder as claimed in claim 1, it is characterised in that the step 1. in,
The condition of ultrasound is 20~30min of ultrasonic time, 60~70w of ultrasonic power, 50~60KHz of supersonic frequency.
3. a kind of preparation technology of Application of Mulberry Anthocyanins powder as claimed in claim 1, it is characterised in that the step 1. in,
Extraction is that at a temperature of 70~90 DEG C, it is 1 ︰ 3~6 to control solid-liquid ratio, 3~5 extractions is carried out to the mulberry fruit after enzymolysis, every time
Merge extract solution after extracting 2~3h.
4. a kind of preparation technology of Application of Mulberry Anthocyanins powder as claimed in claim 1, it is characterised in that the step 1. in,
Mixed enzyme cellulase and pectase are constituted with 1 ︰ 0.7~0.8 ratio, and in enzymolysis, control temperature is 50~60
DEG C, PH is 4~6.
5. a kind of preparation technology of Application of Mulberry Anthocyanins powder as claimed in claim 1, it is characterised in that the step 2. in,
The usage amount of bodied ferric sulfate is 350~600ppm.
6. a kind of preparation technology of Application of Mulberry Anthocyanins powder as claimed in claim 1, it is characterised in that the step 6. in,
The time of spray drying is 5~6h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710460607.1A CN107056741A (en) | 2017-06-18 | 2017-06-18 | A kind of preparation technology of Application of Mulberry Anthocyanins powder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710460607.1A CN107056741A (en) | 2017-06-18 | 2017-06-18 | A kind of preparation technology of Application of Mulberry Anthocyanins powder |
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ID=59595598
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| CN201710460607.1A Withdrawn CN107056741A (en) | 2017-06-18 | 2017-06-18 | A kind of preparation technology of Application of Mulberry Anthocyanins powder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107760057A (en) * | 2017-10-30 | 2018-03-06 | 潍坊友容实业有限公司 | A kind of Suaeda salsa Betacyanins extracting method |
| CN109748897A (en) * | 2018-12-26 | 2019-05-14 | 桃源县兴隆米业科技开发有限公司 | It is a kind of purple paddy in extract anthocyanidin method |
| CN114208998A (en) * | 2021-12-23 | 2022-03-22 | 江西丹霞生物科技股份有限公司 | Process for extracting anthocyanin from clitocybe maxima |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212053A (en) * | 2011-04-16 | 2011-10-12 | 湖州柳荫生物科技有限公司 | Method for extracting mulberry cyanidin |
| CN104513217A (en) * | 2013-09-26 | 2015-04-15 | 青岛中人智业生物科技有限公司 | Mulberry anthocyanidin extraction technology |
-
2017
- 2017-06-18 CN CN201710460607.1A patent/CN107056741A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212053A (en) * | 2011-04-16 | 2011-10-12 | 湖州柳荫生物科技有限公司 | Method for extracting mulberry cyanidin |
| CN104513217A (en) * | 2013-09-26 | 2015-04-15 | 青岛中人智业生物科技有限公司 | Mulberry anthocyanidin extraction technology |
Non-Patent Citations (1)
| Title |
|---|
| 汪多仁: "原花青素的开发与应用进展", 《饮料工业》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107760057A (en) * | 2017-10-30 | 2018-03-06 | 潍坊友容实业有限公司 | A kind of Suaeda salsa Betacyanins extracting method |
| CN109748897A (en) * | 2018-12-26 | 2019-05-14 | 桃源县兴隆米业科技开发有限公司 | It is a kind of purple paddy in extract anthocyanidin method |
| CN114208998A (en) * | 2021-12-23 | 2022-03-22 | 江西丹霞生物科技股份有限公司 | Process for extracting anthocyanin from clitocybe maxima |
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Application publication date: 20170818 |
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