CN101305797A - Carotin preparation method and its carotin products - Google Patents
Carotin preparation method and its carotin products Download PDFInfo
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- CN101305797A CN101305797A CNA200810107123XA CN200810107123A CN101305797A CN 101305797 A CN101305797 A CN 101305797A CN A200810107123X A CNA200810107123X A CN A200810107123XA CN 200810107123 A CN200810107123 A CN 200810107123A CN 101305797 A CN101305797 A CN 101305797A
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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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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/40—Colouring or decolouring of foods
- A23L5/42—Addition of dyes or pigments, e.g. in combination with optical brighteners
- A23L5/43—Addition of dyes or pigments, e.g. in combination with optical brighteners using naturally occurring organic dyes or pigments, their artificial duplicates or their derivatives
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/40—Colouring or decolouring of foods
- A23L5/42—Addition of dyes or pigments, e.g. in combination with optical brighteners
- A23L5/43—Addition of dyes or pigments, e.g. in combination with optical brighteners using naturally occurring organic dyes or pigments, their artificial duplicates or their derivatives
- A23L5/44—Addition of dyes or pigments, e.g. in combination with optical brighteners using naturally occurring organic dyes or pigments, their artificial duplicates or their derivatives using carotenoids or xanthophylls
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- Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Polymers & Plastics (AREA)
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- Cosmetics (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The invention discloses the preparation method of carotene, which comprises the following steps: (1) cleaning purple carrot and slicing; (2) extracting and filtering; (3) column chromatography; (4) concentrating and ultra-filtering; (5) micro-encapsulating; (6) spray-drying; and (7) sieving and mixing. The invention also discloses a carotene product, which is purple black powder with a color value equal to or larger than 50 and no peculiar carrot smell, and the carotene product is rich in cyanidin, has resistance to light and heat, and is insensitive to the pH value. Compared with the prior art, the invention has the advantage that the carotene preparation method is provided on the premise that ensures product style and internal quality stability and meets the requirement of consumers and has simple process, mild process condition, short preparation cycle, less equipment investment, recycle use of waste water and reuse of waste as feed additives, and the method is suitable for continuous and large-scale industrial production. The carotene of purple carrot has the advantages of low cost, stable quality and high reliability.
Description
Technical field
The present invention relates to the extraction of carrot pigment, especially relate to a kind of preparation method and carrotiness cellulose product thereof of carrot pigment.
Background technology
The color and luster of food is an important organoleptic indicator of food, and being extensive use of artificial synthetic pigment in the food industry increases color and luster.Studies show that general artificial synthetic pigment all has toxicity in various degree, have in addition carcinogenicity is arranged, it is significant to guaranteeing human health therefore to develop natural harmless food coloring.Carrot (Daucus carrot) claims carrot or sweet Xun again, is Umbelliferae Daucus biennial herb plant.The edible part of carrot is fertile tender meat taproot, special sweet taste is arranged, and contain abundant carrotene, vitamin C and B family vitamin, and human body is had many-sided health care, therefore is described as " glabrousleaf asiabell root ".Originate in the west and south, Asia, introduce China about 13rd century, it is environmental to develop into China.The kind of carrot is a lot, by color and luster can be divided into red, yellow, white, purple etc. several.Wherein the elemental composition of purple carrot comprises anthocyanin (antho-cyanin), the inhibition increased blood pressure is arranged, improve liver function, prevent the health-care effect of diabetes, do not see as yet that so far the Chinese patent literature report is arranged and from purple carrot, extract natural purple carrot pigment.
Summary of the invention
A technical problem to be solved by this invention is to remedy the defective that above-mentioned prior art exists, and guaranteeing that product style and inherent quality are stable and satisfying under the prerequisite of consumer demand, proposes a kind of preparation method of carrot pigment.
Another technical problem to be solved by this invention is to remedy the defective that above-mentioned prior art exists, guaranteeing that product style and inherent quality are stable and satisfying under the prerequisite of consumer demand, a kind of carrotiness cellulose product that adopts above-mentioned carrot pigment preparation method preparation is proposed.
Carrot pigment preparation method's of the present invention technical problem is solved by the following technical programs.
The preparation method's of this carrot pigment characteristics are:
Raw material is purple carrot.
Described purple carrot is the kind of carrot (Daucus carrot), its color and luster is a purple, it is Umbelliferae Daucus biennial herb plant, edible part is fertile tender meat taproot, special sweet taste is arranged, and containing abundant carrotene, vitamin C and B family vitamin, elemental composition comprises anthocyanin (antho-cyanin), the inhibition increased blood pressure is arranged, improve liver function, prevents the health-care effect of diabetes.
Technical problem of the present invention is solved by following further technical scheme.
The preparation method of this carrot pigment has following steps successively:
(1) cleaning and chopping;
(2) lixiviate and filtration;
(3) column chromatography;
(4) concentrated and ultrafiltration;
(5) microencapsulation;
(6) spray-drying;
(7) sieve and mix.
Described cleaning and chopping comprise and adopt water that fresh purple carrot is cleaned earlier, remove silt and impurity, are cut into filament with machinery again.
Described extraction and filtration, comprise and earlier purple carrot filament is placed extractor, by purple carrot filament: the solution weight ratio is 1: (3～15) are injected acidic aqueous solution and are stirred and soak, the pH=2.5 of acidic aqueous solution～5, soak time is 4 hours～8 hours, collect the purple carrot pigment aqueous solution at the extractor liquid outlet then, adopt diatomite filter that the haematochrome solution of collecting is filtered, make the purple carrot pigment liquid of clarification.
Acid in the described acidic aqueous solution is at least a in citric acid, lactic acid, acetic acid, phosphoric acid, hydrochloric acid and the sulfuric acid.
Described column chromatography, comprise the adsorption column that is filled with macroporous absorbent resin on the purple carrot pigment liquid that to clarify earlier, feed rate is 2 kg/minute～10 kg/minute, the resin of the purple carrot pigment of saturated absorption liquid, pure water with electrical conductivity 1mS/cm～60mS/cm cleans, adopt aqueous solution wash-out, the separation contain 40%～85% ethanol then, wash-out was handled 12 hours～18 hours, with deionized water macroporous absorbent resin was cleaned to pH=6～8 again.
Described concentrating and ultrafiltration comprises and adopts cold boiler that eluent is concentrated earlier, weighs 0.9～1.3 until purple carrot pigment liquor ratio, evaporimeter vacuum is-and 0.020MPa～-0.080MPa, temperature is 40 ℃～80 ℃, with milipore filter concentrate is filtered again.
Described microencapsulation comprises elder generation with the microcapsule wall material dissolution filter, evenly mixes the back with the concentrate of ultrafiltration membrance filter again and adopts high pressure homogenizer that pigment composition is wrapped in the microcapsules fully, and homogenization pressure is 20MPa～60MPa.
Described microcapsule wall material is at least a in maltodextrin, beta-schardinger dextrin-, xanthans, gellan gum, sodium alginate, carragheen, guar gum, pectin, gelatin and the shitosan.
Described spray-drying comprises that the pigment solution with complete microencapsulation carries out spray-drying, and inlet temperature is 160 ℃～220 ℃, and outlet temperature is 70 ℃～90 ℃, makes the atropurpureus powdered product.
The described mixing of sieving comprises the atropurpureus powdered product that earlier the different batches spray-drying is made by 80 purpose screen cloth and tramp iron separators, and the atropurpureus powder after will sieving again is the carrotiness cellulose product after placing the powder mixer fully to mix.
Also comprise aseptic packaging after the described mixing of sieving.
The purple sliced carrot that extracted can be used as feed addictive after with alkali neutralization, dehydration, drying.
Described neutralization alkali is at least a in sodium carbonate, sodium acid carbonate, NaOH, potash, saleratus and the potassium hydroxide.
The waste water that cleaning step produces can come together in a step pond, returns cleaning step and recycle after coagulation, precipitation, sterilization; The waste water that the column chromatography step produces can come together in another step pond, after flocculation, clarification, sterilization, adjusting pH value, returns extractor and recycles as extraction water.
The technical problem of carrotiness cellulose product of the present invention is solved by the following technical programs.
Adopting the carrotiness cellulose product of above-mentioned carrot pigment preparation method preparation, is the atropurpureus powder of look valency 〉=50, and no carrot peculiar smell is rich in anthocyanidin, and is fast light, heat-resisting, insensitive to the pH value.
Described look valency is the index of a kind of pigmentary colours depth of reflection, and the extract that is defined as the unit mass raw material is in 1% concentration, with the absorbance of 1cm cuvette at its maximum absorption band place.The look valency can be taked colorimetric method for determining, generally carries out according to 2.2 potassium dichromate solution colorimetries among the GB5525.
The beneficial effect that the present invention is compared with the prior art is:
The present invention is in the preparation method who guarantees that product style and inherent quality are stable and satisfy a kind of carrot pigment that proposes under the prerequisite of consumer demand; its technology is simple; the process conditions gentleness; manufacturing cycle is short; equipment investment is few; waste water can be recycled, and waste material additive capable of using as feed is fit to serialization, extensive chemical industry production.The purple carrot pigment of preparation has that cost is low, steady quality, advantage reliably.
The specific embodiment
The present invention is further illustrated below in conjunction with the specific embodiment.
The specific embodiment one
With 3 tons inventory per hour 51 tons in new light violet carrot is dropped in the rotating cylinder cleaning machine of liner hairbrush and cleaned, the rotating cylinder rotating speed is 30 rev/mins, and water flow velocity is 6 tons/hour, and the purple carrot that will clean up with filament cutter is cut into filament again.
Purple carrot filament is sent in the multi-function extractor by conveyer belt, soak extraction 4 hours with 3 times aqueous citric acid solutions, the pH=3.5 of aqueous citric acid solution, extract the fully purple carrot pigment aqueous solution of back collection, adopt diatomite filter that the haematochrome solution of collecting is filtered, make the purple carrot pigment liquid of clarification.
Be filled with the adsorption column of macroporous absorbent resin on the purple carrot pigment liquid with clarification, the high 3m of post, diameter 0.8m fills 300 kilograms of macroporous absorbent resins, and feed rate is 5 kg/minute, charging 21 hours, with electrical conductivity is that the pure water of 25mS/cm cleans, and adopts the aqueous solution wash-out, the separation that contain 60% ethanol then, and wash-out was handled 16 hours, to obtain 1256 kilograms of look valencys be 11, contain the dense pigment solution of 25% ethanol, with deionized water macroporous absorbent resin cleaned to pH=6 again.
Adopt cold boiler that eluent is concentrated, weigh 0.9 until purple carrot pigment liquor ratio, evaporimeter vacuum is-0.012MPa that temperature is 65 ℃, with milipore filter concentrate is filtered again.
With microcapsule wall material maltodextrin dissolution filter, evenly mix the back with the concentrate of ultrafiltration membrance filter again and adopt high pressure homogenizer that pigment composition is wrapped in the microcapsules fully earlier, homogenization pressure is 20MPa.
The pigment solution of complete microencapsulation is carried out spray-drying, and inlet temperature is 160 ℃, and outlet temperature is 70 ℃, makes the atropurpureus powdered product.
The atropurpureus powdered product that the different batches spray-drying is made passes through 80 purpose screen cloth and tramp iron separators, and the atropurpureus powder after will sieving again places the powder mixer fully to mix the back and obtains 221.8 kilograms of natural purple carrot pigment pulverulent products.
The look valency of measuring and calculate the natural purple carrot pigment pulverulent product that adopts method for preparing according to 2.2 potassium dichromate solution colorimetries among the GB5525 is 57.3.Concrete operations are accurately to take by weighing the 0.1g sample, are diluted to suitable concn in the 100ml volumetric flask with appropriate solvent, in the maximum wavelength place, make reference liquid with solvent with ultraviolet-uisible spectrophotometer, measure its absorbance in the 1cm cuvette.Calculate outstanding valency according to formula A * f/100m then.In the formula: A is the absorbance of actual measurement sample, and f is an extension rate, and m is a sample mass.
The specific embodiment two
With 3 tons inventory per hour 45 tons in new light violet carrot is dropped in the rotating cylinder cleaning machine of liner hairbrush and cleaned, the rotating cylinder rotating speed is 25 rev/mins, and water flow velocity is 6 tons/hour, and the purple carrot that will clean up with filament cutter is cut into filament again.
Purple carrot filament is sent in the multi-function extractor by conveyer belt, soak extraction 6 hours with 9 times aqueous hydrochloric acid solutions, the pH=2.5 of aqueous hydrochloric acid solution, extract the fully purple carrot pigment aqueous solution of back collection, adopt diatomite filter that the haematochrome solution of collecting is filtered, make the purple carrot pigment liquid of clarification.
Be filled with the adsorption column of macroporous absorbent resin on the purple carrot pigment liquid with clarification, the high 3m of post, diameter 0.8m fills 300 kilograms of macroporous absorbent resins, and feed rate is 6 kg/minute, charging 18 hours, with electrical conductivity is that the pure water of 40mS/cm cleans, and adopts the aqueous solution wash-out, the separation that contain 70% ethanol then, and wash-out was handled 12 hours, to obtain 873 kilograms of look valencys be 15, contain the dense pigment solution of 29% ethanol, with deionized water macroporous absorbent resin cleaned to pH=7 again.
Adopt cold boiler that eluent is concentrated, weigh 0.9 until purple carrot pigment liquor ratio, evaporimeter vacuum is-0.015MPa that temperature is 60 ℃, with milipore filter concentrate is filtered again.
With microcapsule wall material beta-schardinger dextrin-dissolution filter, evenly mix the back with the concentrate of ultrafiltration membrance filter again and adopt high pressure homogenizer that pigment composition is wrapped in the microcapsules fully earlier, homogenization pressure is 45MPa.
The pigment solution of complete microencapsulation is carried out spray-drying, and inlet temperature is 190 ℃, and outlet temperature is 80 ℃, makes the atropurpureus powdered product.
The atropurpureus powdered product that the different batches spray-drying is made passes through 80 purpose screen cloth and tramp iron separators, and the atropurpureus powder after will sieving again places the powder mixer fully to mix the back and obtains 187.3 kilograms of natural purple carrot pigment pulverulent products.
The look valency of measuring and calculate the natural purple carrot pigment pulverulent product that adopts method for preparing according to 2.2 potassium dichromate solution colorimetries among the GB5525 is 63.6.Concrete operations are accurately to take by weighing the 0.1g sample, are diluted to suitable concn in the 100ml volumetric flask with appropriate solvent, in the maximum wavelength place, make reference liquid with solvent with ultraviolet-uisible spectrophotometer, measure its absorbance in the 1cm cuvette.Calculate outstanding valency according to formula A * f/100m then.In the formula: A is the absorbance of actual measurement sample, and f is an extension rate, and m is a sample mass.
The specific embodiment three
With 3 tons inventory per hour 57 tons in new light violet carrot is dropped in the rotating cylinder cleaning machine of liner hairbrush and cleaned, the rotating cylinder rotating speed is 35 rev/mins, and water flow velocity is 4.5 tons/hour, and the purple carrot that will clean up with filament cutter is cut into filament again.
Purple carrot filament is sent in the multi-function extractor by conveyer belt, soak extraction 4 hours with 15 times aqueous acetic acids, the pH=4 of aqueous acetic acid, extract the fully purple carrot pigment aqueous solution of back collection, adopt diatomite filter that the haematochrome solution of collecting is filtered, make the purple carrot pigment liquid of clarification.
Be filled with the adsorption column of macroporous absorbent resin on the purple carrot pigment liquid with clarification, the high 3m of post, diameter 0.8m fills 300 kilograms of macroporous absorbent resins, and feed rate is 7 kg/minute, charging 14 hours, with electrical conductivity is that the pure water of 33mS/cm cleans, and adopts the aqueous solution wash-out, the separation that contain 65% ethanol then, and wash-out was handled 10 hours, to obtain 1305 kilograms of look valencys be 13, contain the dense pigment solution of 27% ethanol, with deionized water macroporous absorbent resin cleaned to pH=8 again.
Adopt cold boiler that eluent is concentrated, weigh 1.3 until purple carrot pigment liquor ratio, evaporimeter vacuum is-0.010MPa that temperature is 70 ℃, with milipore filter concentrate is filtered again.
With microcapsule wall material xanthans dissolution filter, evenly mix the back with the concentrate of ultrafiltration membrance filter again and adopt high pressure homogenizer that pigment composition is wrapped in the microcapsules fully earlier, homogenization pressure is 60MPa.
The pigment solution of complete microencapsulation is carried out spray-drying, and inlet temperature is 220 ℃, and outlet temperature is 90 ℃, makes the atropurpureus powdered product.
The atropurpureus powdered product that the different batches spray-drying is made passes through 80 purpose screen cloth and tramp iron separators, and the atropurpureus powder after will sieving again places the powder mixer fully to mix the back and obtains 264.7 kilograms of natural purple carrot pigment pulverulent products.
The look valency of measuring and calculate the natural purple carrot pigment pulverulent product that adopts method for preparing according to 2.2 potassium dichromate solution colorimetries among the GB5525 is 55.9.Concrete operations are accurately to take by weighing the 0.1g sample, are diluted to suitable concn in the 100ml volumetric flask with appropriate solvent, in the maximum wavelength place, make reference liquid with solvent with ultraviolet-uisible spectrophotometer, measure its absorbance in the 1cm cuvette.Calculate outstanding valency according to formula A * f/100m then.In the formula: A is the absorbance of actual measurement sample, and f is an extension rate, and m is a sample mass.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the preparation method of a carrot pigment is characterized in that:
Raw material is purple carrot.
2. the preparation method of carrot pigment as claimed in claim 1 is characterized in that:
Following steps are arranged successively:
(1) cleaning and chopping;
(2) lixiviate and filtration;
(3) column chromatography;
(4) concentrated and ultrafiltration;
(5) microencapsulation;
(6) spray-drying;
(7) sieve and mix.
3. the preparation method of carrot pigment as claimed in claim 1 or 2 is characterized in that:
Described cleaning and chopping comprise and adopt water that fresh purple carrot is cleaned earlier, remove silt and impurity, are cut into filament with machinery again.
4. the preparation method of carrot pigment as claimed in claim 3 is characterized in that:
Described extraction and filtration, comprise and earlier purple carrot filament is placed extractor, by purple carrot filament: the solution weight ratio is 1: (3～15) are injected acidic aqueous solution and are refluxed and soak, the pH=2.5 of acidic aqueous solution～5, soak time is 4 hours～8 hours, collect the purple carrot pigment aqueous solution at the extractor liquid outlet then, adopt diatomite filter that the haematochrome solution of collecting is filtered, make the purple carrot pigment liquid of clarification.
5. the preparation method of carrot pigment as claimed in claim 4 is characterized in that:
Described column chromatography, comprise the adsorption column that is filled with macroporous absorbent resin on the purple carrot pigment liquid that to clarify earlier, feed rate is 2 kg/minute～10 kg/minute, the resin of the purple carrot pigment of saturated absorption liquid, pure water with electrical conductivity 1mS/cm～60mS/cm cleans, adopt aqueous solution wash-out, the separation contain 40%～85% ethanol then, wash-out was handled 12 hours～18 hours, with deionized water macroporous absorbent resin was cleaned to pH=6～8 again.
6. the preparation method of carrot pigment as claimed in claim 5 is characterized in that:
Described concentrating and ultrafiltration comprises and adopts cold boiler that eluent is concentrated earlier, weighs 0.9～1.3 until purple carrot pigment liquor ratio, evaporimeter vacuum is-and 0.020MPa～-0.080MPa, temperature is 40 ℃～80 ℃, with milipore filter concentrate is filtered again.
7. the preparation method of carrot pigment as claimed in claim 6 is characterized in that:
Described microencapsulation comprises elder generation with the microcapsule wall material dissolution filter, evenly mixes the back with the concentrate of ultrafiltration membrance filter again and adopts high pressure homogenizer that pigment composition is wrapped in the microcapsules fully, and homogenization pressure is 20MPa～60MPa.
8. the preparation method of carrot pigment as claimed in claim 7 is characterized in that:
Described spray-drying comprises that the pigment solution with complete microencapsulation carries out spray-drying, and inlet temperature is 160 ℃～220 ℃, and outlet temperature is 70 ℃～90 ℃, makes the atropurpureus powdered product.
9. the preparation method of carrot pigment as claimed in claim 8 is characterized in that:
The described mixing of sieving comprises the atropurpureus powdered product that earlier the different batches spray-drying is made by 80 purpose screen cloth and tramp iron separators, and the atropurpureus powder after will sieving again is the carrotiness cellulose product after placing the powder mixer fully to mix.
10. as the prepared carrotiness cellulose product of the preparation method of any described carrot pigment in the claim 1～9, it is characterized in that:
Be the atropurpureus powder of look valency 〉=50, no carrot peculiar smell is rich in anthocyanidin, and is fast light, heat-resisting, insensitive to the pH value.
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|---|---|---|---|
| CN200810107123XA CN101305797B (en) | 2008-07-17 | 2008-07-17 | Carotin preparation method and its carotin products |
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|---|---|---|---|
| CN200810107123XA CN101305797B (en) | 2008-07-17 | 2008-07-17 | Carotin preparation method and its carotin products |
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| CN101305797A true CN101305797A (en) | 2008-11-19 |
| CN101305797B CN101305797B (en) | 2011-11-16 |
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| CN200810107123XA Expired - Fee Related CN101305797B (en) | 2008-07-17 | 2008-07-17 | Carotin preparation method and its carotin products |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102229755A (en) * | 2011-05-16 | 2011-11-02 | 武汉绿孚生物工程有限责任公司 | Method for producing purple sweet potato haematochrome |
| CN102660140A (en) * | 2012-05-18 | 2012-09-12 | 江西国亿生物科技有限公司 | Preparation method of multi-tone beet red pigment |
| CN102675912A (en) * | 2012-05-18 | 2012-09-19 | 江西国亿生物科技有限公司 | Method for preparing purple sweet potato pigment |
| CN101921496B (en) * | 2009-06-12 | 2013-03-27 | 中国中化股份有限公司 | Method for preparing capsanthin microcapsule |
| CN103181544A (en) * | 2011-12-30 | 2013-07-03 | 深圳劲创生物技术有限公司 | Stable anthocyanidin prepared by novel membrane separation technology and method |
| CN103642266A (en) * | 2013-11-27 | 2014-03-19 | 威海市桢昊生物技术有限公司 | Method for extraction of carrot pigment from carrots |
| CN104877390A (en) * | 2015-05-12 | 2015-09-02 | 湖北紫鑫生物科技有限公司 | Preparation method of black carrot pigment with high purity |
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| CN105339437A (en) * | 2013-03-15 | 2016-02-17 | 马斯公司 | Natural blue anthocyanin-containing colorants |
| CN105418571A (en) * | 2015-11-06 | 2016-03-23 | 大兴安岭林格贝寒带生物科技股份有限公司 | Method for extracting black carrot anthocyanidin in microwave countercurrent mode |
| CN105440732A (en) * | 2015-11-06 | 2016-03-30 | 大兴安岭林格贝寒带生物科技股份有限公司 | Method for enriching and purifying carmine radish anthocyanin |
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| CN107523093A (en) * | 2017-06-05 | 2017-12-29 | 中国科学院兰州化学物理研究所 | A kind of preparation method of carotenoidses pigment clay composite article |
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| TR24052A (en) * | 1990-10-11 | 1991-02-21 | Ahmet Canbas | Obtaining dye from black carrot for use in food |
| CN1308322C (en) * | 2003-07-30 | 2007-04-04 | 中山大学 | Method for preparing anthocyanidin |
| CN1834163A (en) * | 2006-04-29 | 2006-09-20 | 中国农业大学 | Method of producing purpureal sweet potato haematochrome |
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2008
- 2008-07-17 CN CN200810107123XA patent/CN101305797B/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101921496B (en) * | 2009-06-12 | 2013-03-27 | 中国中化股份有限公司 | Method for preparing capsanthin microcapsule |
| CN102229755B (en) * | 2011-05-16 | 2013-11-27 | 武汉绿孚生物工程有限责任公司 | Method for producing purple sweet potato haematochrome |
| CN102229755A (en) * | 2011-05-16 | 2011-11-02 | 武汉绿孚生物工程有限责任公司 | Method for producing purple sweet potato haematochrome |
| CN103181544A (en) * | 2011-12-30 | 2013-07-03 | 深圳劲创生物技术有限公司 | Stable anthocyanidin prepared by novel membrane separation technology and method |
| CN103181544B (en) * | 2011-12-30 | 2014-12-17 | 深圳劲创生物技术有限公司 | Stable anthocyanidin prepared by novel membrane separation technology and method |
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