CN101445669B - Method for preparing cabbage red pigment from purple cabbage - Google Patents
Method for preparing cabbage red pigment from purple cabbage Download PDFInfo
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- CN101445669B CN101445669B CN2008100802384A CN200810080238A CN101445669B CN 101445669 B CN101445669 B CN 101445669B CN 2008100802384 A CN2008100802384 A CN 2008100802384A CN 200810080238 A CN200810080238 A CN 200810080238A CN 101445669 B CN101445669 B CN 101445669B
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- haematochrome
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Abstract
The invention relates to a method for preparing cabbage red pigment from purple cabbage. The method comprises the following steps: 1. blanching for inactivation: cleaning the purple cabbage and blanching for inactivating enzyme; 2. extraction: extracting with acid aqueous solution 2-3 times with each time lasting 1-3 hours, and collecting all extracts; 3. precipitant treatment: pumping the extracts into a precipitating tank, adding a precipitant, keeping standing and filtering for removing a precipitate; 4. resin treatment: obtaining the cabbage red pigment by macroporous resin adsorption, water washing, water backwashing, analysis and concentration; 5. ultrafiltration: filtering the cabbage red pigment with a ultrafiltration membrane; 6. concentration with a nanofiltration membrane: condensing with the nano-filtration membrane with the intercepted molecular weight of 200 dalton to obtain liquid cabbage red pigment; 7. microbe sterilization; and 8. spray drying to obtain powdered cabbage red pigment. The method for obtaining the cabbage red pigment has the advantages of high yield, high color number, good solubility and no odor.
Description
Technical field
The present invention relates to a kind of method for preparing cabbage haematochrome with purple cabbage.
Background technology
Pigment is widely used in industries such as food, feed, chemical industry, makeup and medicines, natural pigment especially conglomerate multi-field in one of most important additive kind, especially color and luster and the tone for food plays conclusive effect, raising along with people's safety and quality mind, synthetic colour has shown shortcomings such as its poisonous and harmful gradually, and natural pigment is directed to natural product, extracts and makes with extra care and do not bring any harmful toxic matter into, becomes a big research focus.And because most of natural pigments contain the composition to the human body beneficial, also has certain medical care effect, extremely people's favor.
Cabbage red is a kind of natural pigment, the color and luster nature, and tone is moderate, has multiple nutrients and functional component, is a kind of widely used consumption natural pigment.Traditional preparation method is the leaf with Cruciferae and purple cabbage, extract after refining, concentrated, sterilization with weakly acidic water, spraying drying forms again, and the cabbage haematochrome that obtains is poorly soluble, the product peculiar smell is bigger, has suppressed the Application Areas of cabbage haematochrome.
Summary of the invention:
In order to overcome the shortcoming of prior art, the invention provides and a kind ofly prepare the method for cabbage haematochrome with purple cabbage, obtain cabbage haematochrome yield height, look valency height, good, the free from extraneous odour of solvability with this method.
The present invention solves the technical scheme that its technical problem takes: comprise the following steps: 1, the blanching deactivation: purple cabbage is cleaned, with 10-15 minute enzyme that goes out of 95 ℃ of hot water blanchings; 2, extraction: the purple cabbage after the blanching cooling is extracted with acidic aqueous solution, acidic aqueous solution PH=3.0, room temperature extraction 2-3 time extracted 1-3 hour at every turn, collected whole extraction liquids; 3, precipitation agent is handled: extraction liquid is squeezed into setting tank, and adding volume ratio is 0.1% precipitation agent, leaves standstill 1-2 hour, filters afterwards, throw out is filtered remove; 4, plastic resin treatment: just washing 3 hours, water backwash 2 hours through macroporous resin adsorption 3-8 hour, water, resolve 1.5 hours, concentrate 1-2 hour, obtain cabbage haematochrome; 5, ultrafiltration: with the ultrafiltration membrance filter of cabbage haematochrome with 0.22um; 6, nanofiltration membrane concentrates: using the molecular weight that dams is that 200 daltonian nanofiltration membrane concentrate, and obtains the liquid cabbage haematochrome; 7, microorganism sterilizing; 8, spraying drying obtains the powdery cabbage haematochrome.
Described precipitation agent is a saccharan.
The solution of described parsing usefulness is 75% ethanol.
Described acidic aqueous solution is a citric acid.
The cabbage haematochrome that the present invention obtains, the product purity height, liquid product look valency is 20-30, powder-like product look valency is 75-85; The product solvability is good, and is soluble in water, and 10% salt water dissolution do not have the precipitation separate out the peculiar smell of being taken out of when product does not have traditional method for extracting.
Embodiment
Embodiment 1: with 100 kilograms of purple cabbages is raw material, extracts with sour water after enzyme is gone out in cleaning, add citric acid and adjust its PH=3.0, and normal temperature extraction in 5 hours, extraction feed liquid weight ratio is 1: 4, extraction times is 3 times.Obtain extraction liquid and squeeze into setting tank for 900 liters, add 0.9 kilogram of saccharan, left standstill after stirring 1-2 hour, filter, throw out is discharged with accurate filter.Filtrate is handled with macroporous resin for 850 liters, and 1000 liters/hour of rate of adsorption, adsorption time are 1 hour, washing speed is 2000 liters/hour, and just the time of washing is 3 hours, and the backwash time is 2 hours, resolve 1000 liters/hour of speed, 1.5 hours time then with 75% ethanol.Desorbed solution is behind the ceramic membrane filter of 0.22um, and using the molecular weight that dams is that 200 daltonian nanofiltration membrane concentrate, and obtains 1 kilogram of liquid cabbage haematochrome.Microorganism sterilizing, spray-dried again 0.25 kilogram of the cabbage red powder-like product that obtains, detecting its look valency is 78.5.The product favorable solubility, free from extraneous odour.
Embodiment 2: with 500 kilograms of purple cabbages is raw material, after going out enzyme, cleaning extracts with sour water, add citric acid and adjust its PH=3.0, normal temperature extraction in 5 hours, extraction feed liquid weight ratio is 1: 4, extraction times is 3 times, obtain extraction liquid 4250 and rise up into setting tank, add 4.5 kilograms of precipitation agents, left standstill after stirring 2 hours, filter with accurate filter, discharge throw out, filtrate is handled with macroporous resin for 4000 liters, and rate of adsorption is 1000 liters/hour, adsorption time is 5 hours, washing speed is 2000 liters/hour, and just the time of washing is 3 hours, and the backwash time is 2 hours, resolve and resolve with 75% ethanol, speed is 1000 liters/hour, and the time is 1.5 hours, and desorbed solution is behind the ceramic membrane filter of 0.22um, the use molecular weight that dams is that 200 daltonian nanofiltration membrane concentrate, and obtains 5 kilograms of liquid cabbage haematochromes.Microbial disinfection, spraying drying obtains 1.2 kilograms of cabbage red powder-like products again, and detecting its look valency is 82.3.The product favorable solubility, free from extraneous odour.
Claims (4)
1. one kind prepares the method for cabbage haematochrome with purple cabbage, it is characterized in that: comprise the following steps: 1), the blanching deactivation: purple cabbage is cleaned, with 10-15 minute enzyme that goes out of 95 ℃ of hot water blanchings; 2), extraction: the purple cabbage after the blanching cooling is extracted with acidic aqueous solution, acidic aqueous solution pH=3.0, room temperature extraction 2-3 time extracted 1-3 hour at every turn, collected whole extraction liquids; 3), precipitation agent is handled: extraction liquid is squeezed into setting tank, and adding volume ratio is 0.1% precipitation agent, leaves standstill 1-2 hour, filters afterwards, throw out is filtered remove; 4), plastic resin treatment: just washing 3 hours, water backwash 2 hours through macroporous resin adsorption 3-8 hour, water, resolve 1.5 hours, concentrate 1-2 hour, obtain cabbage haematochrome; 5), ultrafiltration: with the ultrafiltration membrance filter of cabbage haematochrome with 0.22um; 6), nanofiltration membrane concentrates: using the molecular weight that dams is that 200 daltonian nanofiltration membrane concentrate, and obtains the liquid cabbage haematochrome; 7), microorganism sterilizing; 8), spraying drying, obtain the powdery cabbage haematochrome.
2. according to claim 1ly prepare the method for cabbage haematochrome with purple cabbage, it is characterized in that: described precipitation agent is a saccharan.
3. according to claim 1ly prepare the method for cabbage haematochrome with purple cabbage, it is characterized in that: the solution of described parsing usefulness is 75% ethanol.
4. according to claim 1ly prepare the method for cabbage haematochrome with purple cabbage, it is characterized in that: described acidic aqueous solution is a citric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100802384A CN101445669B (en) | 2008-12-23 | 2008-12-23 | Method for preparing cabbage red pigment from purple cabbage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100802384A CN101445669B (en) | 2008-12-23 | 2008-12-23 | Method for preparing cabbage red pigment from purple cabbage |
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| Publication Number | Publication Date |
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| CN101445669A CN101445669A (en) | 2009-06-03 |
| CN101445669B true CN101445669B (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100802384A Active CN101445669B (en) | 2008-12-23 | 2008-12-23 | Method for preparing cabbage red pigment from purple cabbage |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101735643B (en) * | 2009-11-26 | 2012-12-05 | 晨光生物科技集团股份有限公司 | Method for removing peculiar smell of red cabbage |
| CN102127311B (en) * | 2010-12-22 | 2013-12-04 | 晨光生物科技集团股份有限公司 | Technique for producing deodorized cabbage red pigment |
| CN102093747B (en) * | 2010-12-22 | 2013-12-18 | 晨光生物科技集团股份有限公司 | Process for producing high color value betalain by utilizing macroporous resin |
| CN102433014B (en) * | 2011-09-29 | 2013-07-31 | 安徽尚善生物科技有限公司 | Method for deodorizing purple cabbage pigment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1788606A (en) * | 2004-12-16 | 2006-06-21 | 刘磊 | Edible pigment |
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- 2008-12-23 CN CN2008100802384A patent/CN101445669B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1788606A (en) * | 2004-12-16 | 2006-06-21 | 刘磊 | Edible pigment |
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