CN1966585A - Method of extracting and preparing yellow pigment of pagodatree flower - Google Patents
Method of extracting and preparing yellow pigment of pagodatree flower Download PDFInfo
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- CN1966585A CN1966585A CN 200610097772 CN200610097772A CN1966585A CN 1966585 A CN1966585 A CN 1966585A CN 200610097772 CN200610097772 CN 200610097772 CN 200610097772 A CN200610097772 A CN 200610097772A CN 1966585 A CN1966585 A CN 1966585A
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Abstract
The invention relates to a way to prepare sophora flower yellow pigment which belongs to the biologic product domain. the preparing procedure includes the following steps: host soaking the dry sophora flower to dissolute the yellow pigment; centrifuging to collect the leaching liquor (lixiviating for 3-4 times); condensing the leaching liquor and centrifuging to separate the dreg from the concentrated solution; adding liquid alkali to regulate the ph value, host soaking to remove the waste and extract quercetin-3-rutinoside (1); cooling the concentrated solution and centrifuging to separate quercetin-3-rutinoside (2) from stock solution; lixiviating the stock solution and centrifuging to get the alcohol extract; reclaiming alcohol to get the dosage liquor; filtering the dosage liquor to get the micro filtered solution; spray drying the diluted quercetin-3-rutinoside (1) and (2) and the micro filtered solution to get the yellow pigment. The invention has many advantages such as abundant materials simple separating and purifying technologies; high yield; high purity of product and environment-friendly. While the product in the invention has many advantages such as safe and convenient to use, good ratio of quality to price, environment-friendly and health care function.
Description
Technical field
A kind of extraction method prepares the method for sophora flower yellow pigment, belongs to biological product technical field.Relating to dried with sophora flower is that the raw material extraction method prepares the sophora flower yellow pigment.
Background technology
Natural pigment is good with its nontoxicity, stability, has advantages such as nutrition and pharmacological action simultaneously concurrently and is favored by people.Sophora flower is the flower of leguminous plants Chinese scholartree, and summer, the flowers are in blossom gathers when putting, and is in time dry, and removing debranching, stalk and impurity, promptly get sophora flower dried.Sophora flower has heat-clearing, hematostatic function, cures mainly discharging fresh blood stool, hemorrhoid blood, and hematuria, blood drenches, and uterine bleeding also can be used for controlling apoplexy.
Contain abundant Flavonoid substances in the sophora flower, main component is phytomelin (being rutin Rutin), rutin is a kind of of flavonoid plant constituent, the flavonoid plant constituent is a compounds that is present in vegitabilia and has following basic structure: with regard to xanthein, a keto-acid carbonyl is all arranged in their molecule, displaing yellow again is so be called flavones.
Summary of the invention
The purpose of this invention is to provide the method that a kind of extraction method prepares the sophora flower yellow pigment, with advanced extraction separation purification technique, it is simple to reach technology, extracts the yield height, product purity height, the purpose of environmentally safe.
Technical scheme of the present invention: be dried with sophora flower be raw material, through water add heat soaking, centrifugation, concentrate, slag extracts Lu Ding (2), alcohol lixiviate and alcohol recoverys, micro-filtration decon, spraying drying with alkaline extraction Lu Ding (1), concentrated solution cooling, gets sophora flower yellow pigment product.
Concrete steps are:
1, add heat soaking: sophora flower is dried add that mass ratio 10-12 times of deionized water soaks and 80-100 ℃ heated 1-2 hour.
2, centrifugation: vat liquor and solid substance are collected in centrifugation, and solid substance is soaked with the deionized water heating again, carry out 3-4 time, merge vat liquor.
3, concentrate: the vat liquor of collection is about the overall 1/8-1/10 of vat liquor through 50-60 ℃ of vacuum concentration to concentrated solution volume.Centrifugation is slagged tap and concentrated solution.
4, slag alkaline extraction: slag adds transfers the liquid caustic soda of pH to 9 to add heat soaking, separates impurity elimination, and filtrate is extracted Lu Ding (1).Because slag is slightly acid, be neutral substantially so soak the separating obtained filtrate in back with pH 9 liquid caustic soda.
5, the concentrated solution cooling is extracted: concentrated solution cooling back centrifugation De Luding (2) and stoste.
6, alcohol lixiviate: the edible ethanol with 99% is pressed stoste: alcohol volume ratio 1: 3 lixiviate 8-10 hour, the centrifugation impurity elimination gets alcohol extract.
7, alcohol reclaims: alcohol extract carry out alcohol reclaim feed liquid.
8, micro-filtration: feed liquid is carried out micro-filtration with 0.2 μ m microfiltration membrane, remove impurity and get micro-filtrate.
9, spraying drying: Lu Ding (1), Lu Ding (2) are added deionized water dilution back and micro-filtrate in the ratio of solid content 10%-15% adopt inlet temperature 160-180 ℃, temperature out 75-80 ℃ to carry out spraying drying respectively, make sophora flower yellow pigment product.
The sophora flower yellow pigment can be used for food colors such as noodles, candy, biscuit, beverage, drinks, and is bright-colored, free from extraneous odour.Also applicable to toy, dyeing such as clothing.
Beneficial effect of the present invention: it is that raw material extracts sophora flower yellow pigment product that the present invention mainly considers to do with sophora flower, and can adapt to the needs of large-scale commercial production.China's sophora flower raw material is abundanter, but the research of extraction sophora flower yellow pigment is less from sophora flower is done, and the production of sophora flower yellow pigment product is a blank in China, and the high-quality sophora flower yellow pigment of Development and Production can satisfy food-processing and the painted needs of textile garment.
The sophora flower yellow pigment is a kind of natural and have the green food additive and the environmental-friendly pigment of nourishing function, can be widely used in the dyeing of food-processing industry and textile garment.The bright-coloured purity of sophora flower yellow pigment is used in the food-processing, and stability is good, nontoxicity, and nutritious and pharmacological function; Be used in the clothes dyeing, colour fastness is strong, non-stimulated, has no side effect, and nourishing function is arranged.This product is easy to use, safe, cost performance is superior, has advantages such as natural, pure, environmental protection, health care.
Embodiment
Embodiment 1 lab scale
1, technology (raw material 1000 grams)
1) gets the dried raw material of 1000g sophora flower, add 80 ℃ of heating of 12L deionized water 2 hours, filter; 2) solid substance adds 80 ℃ of heating of 12L deionized water 2 hours, filters 3 times repeatedly; 3) merge vat liquor, be concentrated into 3.75L filter concentrated solution (isolated slag because amount is little, no longer liquid feeding alkaline purification); 4) concentrated solution cooling back centrifugation De Luding and stoste; 5) the centrifugation impurity elimination got alcohol extract after the food grade alcohol of stoste adding 11.25L 99% soaked 8 hours; 6) alcohol extract evaporation alcohol after-filtration gets feed liquid; 7) filter feed liquid carry out micro-filtration with 0.2 μ m microfiltration membrane again; 8) add behind the deionized water dilution Lu Ding with micro-filtrate in the ratio of solid content 10%-15% and adopt 160-180 ℃ of inlet temperature, temperature out 75-80 ℃ to carry out spraying drying, De Luding yellow pigment 29 gram pulvis, micro-filtrate yellow pigment 102 gram pulvis respectively.
2, result
Total extraction yield about 13.1%, wherein the Lu Ding yellow pigment is 2.9%, the micro-filtrate yellow pigment is 10.2%.
Embodiment 2 pilot scales
1, technology (raw material 35kg)
On lab scale technology basis, adjust: 1) the dried raw material of 35kg sophora flower, add 10 times of deionized water boilings 1 hour, filter; 2) solid substance adds 10 times of deionized water boilings 1 hour, filters 4 times repeatedly; 3) vat liquor is concentrated into 150L and separates with whizzer; 4) isolated slag adds and transfers the liquid caustic soda of pH to 9 to add heat soaking, separate impurity elimination, filtrate is isolated Lu Ding (1), Lu Ding (1) adds deionized water dilution back in the ratio of solid content 10% and adopts 160-180 ℃ of inlet temperature, temperature out 75-80 ℃ to carry out spraying drying, De Luding (1) yellow pigment 780.5 gram pulvis; 5) centrifugation De Luding (2) and stoste again after the cooling of isolated concentrated solution, Lu Ding (2) adds deionized water dilution back in the ratio of solid content 10% and adopts 160-180 ℃ of inlet temperature, temperature out 75-80 ℃ to carry out spraying drying, De Luding (2) yellow pigment 980 gram pulvis; 6) stoste adds 99% food grade alcohol 900L and soaked 10 hours, separate alcohol extract; 7) alcohol extract gets feed liquid after concentrating recovered alcohol, carries out the micro-filtration impurity elimination again, and micro-filtrate adopts 160-180 ℃ of inlet temperature, temperature out 75-80 ℃ spraying drying, gets micro-filtrate yellow pigment 2964.5 gram pulvis.
2, result
Total extraction yield: 13.5%, wherein the micro-filtrate yellow pigment be 8.47%, Lu Ding (1) yellow pigment 2.23%, Lu Ding (2) yellow pigment 2.8%.
Claims (2)
1, a kind of extraction method prepares the method for sophora flower yellow pigment, and it is characterized in that dried with sophora flower is raw material, adds heat soaking through water, centrifugation, concentrate, slag extracts Lu Ding (2) with alkaline extraction Lu Ding (1), concentrated solution cooling, and alcohol lixiviate and alcohol reclaim, micro-filtration, spraying drying gets sophora flower yellow pigment product;
1) add heat soaking: sophora flower is dried add that mass ratio 10-12 times of deionized water soaks and 80-100 ℃ heated 1-2 hour;
2) centrifugation: vat liquor and solid substance are collected in centrifugation, and solid substance is soaked with the deionized water heating again, carry out 3-4 time, merge vat liquor;
3) concentrate: the vat liquor of collection is through the 1/8-1/10 of 50-60 ℃ of vacuum concentration to the vat liquor cumulative volume, and centrifugation is slagged tap and concentrated solution;
4) slag alkaline extraction: slag adds transfers the liquid caustic soda of pH to 9 to add heat soaking, separates impurity elimination, and filtrate is extracted Lu Ding (1);
5) the concentrated solution cooling is extracted: concentrated solution cooling back centrifugation De Luding (2) and stoste;
6) alcohol lixiviate: the edible ethanol with 99% is pressed stoste: alcohol volume ratio 1: 3 lixiviate 8-10 hour, and the centrifugation impurity elimination gets alcohol extract;
7) alcohol reclaims: alcohol extract carries out getting feed liquid after alcohol reclaims;
8) micro-filtration: feed liquid is carried out micro-filtration with 0.2 μ m microfiltration membrane, remove impurity and get micro-filtrate;
9) spraying drying: Lu Ding (1), Lu Ding (2) are added deionized water dilution back and micro-filtrate in the ratio of solid content 10%-15% adopt 160-180 ℃ of inlet temperature, temperature out 75-80 ℃ to carry out spraying drying respectively, make sophora flower yellow pigment product.
2, method according to claim 1 is characterized in that it is the hollow fiber microfiltration membrane of 0.2 μ m that micro-filtration adopts molecular weight cut-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100977727A CN100447206C (en) | 2006-11-27 | 2006-11-27 | Method of extracting and preparing yellow pigment of pagodatree flower |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100977727A CN100447206C (en) | 2006-11-27 | 2006-11-27 | Method of extracting and preparing yellow pigment of pagodatree flower |
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| CN1966585A true CN1966585A (en) | 2007-05-23 |
| CN100447206C CN100447206C (en) | 2008-12-31 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554967A (en) * | 2013-11-08 | 2014-02-05 | 哈尔滨市工艺美术有限责任公司 | Formula and production method for preparing yellow wheat straw dye |
| CN103571223A (en) * | 2013-11-10 | 2014-02-12 | 哈尔滨市工艺美术有限责任公司 | Formula and production method for preparing bright yellow wheat straw dye |
| CN104861737A (en) * | 2015-05-13 | 2015-08-26 | 钱玉梅 | Method for preparing sophora japonica plant dyes |
| CN105086508A (en) * | 2015-10-08 | 2015-11-25 | 嘉兴市欣纺纺织品有限公司 | Sophora japonica plant dye extraction method and dyeing method through dye |
| CN105131644A (en) * | 2015-10-08 | 2015-12-09 | 嘉兴市欣纺纺织品有限公司 | Extracting method and dyeing method for sappan plant dye |
| CN106638052A (en) * | 2016-12-01 | 2017-05-10 | 西南大学 | Method for dyeing cotton fabric with rutamine |
| CN106758346A (en) * | 2016-12-01 | 2017-05-31 | 西南大学 | Colouring method of the sorphoranone to bafta |
| CN111635443A (en) * | 2020-06-15 | 2020-09-08 | 深圳市蜜踪生物科技有限公司 | Sophora flower extraction process |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1014149B (en) * | 1988-05-03 | 1991-10-02 | 河北农业技术师范学院 | Method for extracting edible yellow pigment from sunflower's ligulate flower |
| CN1084865A (en) * | 1992-09-30 | 1994-04-06 | 孙如一 | The method for making of Yellow plgment of buterflybush flower |
-
2006
- 2006-11-27 CN CNB2006100977727A patent/CN100447206C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554967A (en) * | 2013-11-08 | 2014-02-05 | 哈尔滨市工艺美术有限责任公司 | Formula and production method for preparing yellow wheat straw dye |
| CN103571223A (en) * | 2013-11-10 | 2014-02-12 | 哈尔滨市工艺美术有限责任公司 | Formula and production method for preparing bright yellow wheat straw dye |
| CN104861737A (en) * | 2015-05-13 | 2015-08-26 | 钱玉梅 | Method for preparing sophora japonica plant dyes |
| CN105086508A (en) * | 2015-10-08 | 2015-11-25 | 嘉兴市欣纺纺织品有限公司 | Sophora japonica plant dye extraction method and dyeing method through dye |
| CN105131644A (en) * | 2015-10-08 | 2015-12-09 | 嘉兴市欣纺纺织品有限公司 | Extracting method and dyeing method for sappan plant dye |
| CN106638052A (en) * | 2016-12-01 | 2017-05-10 | 西南大学 | Method for dyeing cotton fabric with rutamine |
| CN106758346A (en) * | 2016-12-01 | 2017-05-31 | 西南大学 | Colouring method of the sorphoranone to bafta |
| CN111635443A (en) * | 2020-06-15 | 2020-09-08 | 深圳市蜜踪生物科技有限公司 | Sophora flower extraction process |
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| CN100447206C (en) | 2008-12-31 |
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