CN1590466A - Red rice red colouring matter and its preparation method - Google Patents
Red rice red colouring matter and its preparation method Download PDFInfo
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- CN1590466A CN1590466A CN 03127123 CN03127123A CN1590466A CN 1590466 A CN1590466 A CN 1590466A CN 03127123 CN03127123 CN 03127123 CN 03127123 A CN03127123 A CN 03127123A CN 1590466 A CN1590466 A CN 1590466A
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- haematochrome
- red rice
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Abstract
A red-rice red pigment is prepared from black rice through washing, immersion etracting, pretreating the liquid extract, treating by resin, ultrafiltering, nano-filtering, concentrating and spray drying. It has high purity and chromatic level up to more than 150.
Description
Technical field
The present invention relates to haematochrome of red rice and preparation method thereof, belong to technical field of food additives.
Background technology
Since with the northeast haematochrome of red rice that to produce black scented rice be raw material production have that advantages of nontoxic raw materials is harmless, solvability, good stability, pretend to main haematochrome foodstuff additive and be widely used in the painted of drinks, beverage, ice-creams, jelly, jam, dish.Along with the progress of society, growth in the living standard comprises that at field of food the natural food colour of haematochrome of red rice will constantly replace synthetic colour, and the market requirement of edible haematochrome of red rice will constantly enlarge.
The present ordinary method of producing haematochrome of red rice that adopts, be that the rice skin during with rice milling machine processing system polished rice is raw material (accounts for full brown rice 10%) with the brown rice of black rice, use the vegetables oil lixiviate, carry out degreasing with solvent naphtha, behind precipitation,, technology such as refilter, concentrate and make with aqueous ethanol or warm water, slightly acidic extraction with aqueous solution pigment.
The haematochrome of red rice impurity that adopts present method to produce is many, and dextrin content is big, and the look valency is low, E
1% 1CMDegreasing is especially carried out with solvent naphtha in 535nm 〉=15.0 (QB1228-91), and the quality of product is had great influence, and the peculiar smell in the finished product makes client and human consumer be difficult to accept, thereby has limited the use range of haematochrome of red rice, has influenced market sales volume.
Summary of the invention
The purpose of this invention is to provide a kind of yield height, look valency height, free from extraneous odour, the whole course of processing and use haematochrome of red rice of food grade solvent and preparation method thereof fully.
The present invention is achieved by the following technical solutions:
Haematochrome of red rice of the present invention is to be raw material with the black scented rice (No. one, Dragon Well tea) in Jilin, after cleaning, use the edible ethanol lixiviate, gained filtrate after the lixiviate is carried out preliminary treatment, again through plastic resin treatment, ultrafiltration, nanofiltration, concentrate the liquid haematochrome of red rice, the liquid haematochrome of red rice is concentrated the back spraying drying, get the powdery haematochrome of red rice.
The preparation method of haematochrome of red rice of the present invention may further comprise the steps:
(1) extraction: at first the black scented rice in Jilin is cleaned, adding pure water with 95% edible ethanol then, to be diluted to ethanol content be 50%, after adding VC accent pH value 3.8-4.0, under 60 ℃ of constant temperature, soaked Jilin black scented rice 2-8 hour with this solution, haematochrome of red rice is dissolved in the ethanolic soln, after soaking for 2-3 time, filter, getting liquid, filtrate is warming up to 80 ℃, go into setting tank and be cooled to normal temperature rapidly, throw out is discharged, get haematochrome of red rice filtrate through concentrating under reduced pressure;
(2) plastic resin treatment: haematochrome of red rice filtrate is crossed resin, haematochrome of red rice is adsorbed on the resin, carries out haematochrome of red rice on the desorb resin as desorption solvent with the edible ethanol of 70-95%, the haematochrome of red rice ethanolic soln, adsorption time is 2-6 hour, desorption time 1-4 hour;
(3) smart filter: will through plastic resin treatment refining and the haematochrome of red rice ethanolic soln filter through ultrafiltration, nanofiltration;
(4) concentrate: essence is filtered the gained solution decompression concentrate, 60 ℃-80 ℃ of thickening temperatures also reclaim ethanol, are concentrated to degree Beaume 10-30, get aqueous haematochrome of red rice;
(5) sterilising treatment: aqueous haematochrome of red rice is carried out sterilising treatment, be convenient to prolonged preservation;
(6) drying treatment: the aqueous haematochrome of red rice that will be concentrated into the 10-30 degree Beaume carries out spraying drying, gets the powdery haematochrome of red rice.
Resin of the present invention is an acidic cation-exchange resin, one or more of basic anion exchange resin.
Use UF.OB9 type external-compression type ultra-filtration membrane in the smart filter of the present invention, intake pressure is 0.1-0.3MPa, and the 2000A ultrafiltration membrane treatment is used in ultrafiltration at normal temperatures.By the essence filter, haematochrome of red rice solution has been formed separable simple ion, improve the purity of main component Minor centaury-3-glucoside (redness), thereby obtained the higher haematochrome of red rice ethanolic soln of content.
The haematochrome of red rice that the present invention produces, because impurity separated carrying in producing process removed in a large number, thus the product purity height, look valency height, liquiform product E
1% 1CM535nm 〉=15.00, powder-like product E
1% 1CM535nm 〉=25.0, the look valency can be up to more than 150, and the water-soluble back of haematochrome of red rice does not have precipitation, and pigment stability is good.Powder-like product is easy to transportation and preserves.
Embodiment
The embodiment that provides below in conjunction with the present invention is described further the present invention.
Embodiment 1:
With the black scented rice in 10 kilograms of Jilin is raw material, adds 23 kilograms of immersions of pure water with 20 kilograms of 95% edible ethanols through cleaning after, adds VC accent PH3.9,60 ℃ of constant temperature 5 hours, and lixiviate 3 times, is got liquid at diatomite filtration.Filtrate is warming up to 80 ℃, goes into setting tank and be cooled to normal temperature rapidly, see through visor and observe the precipitation situation, after 5 hours, throw out is discharged, will not have precipitation liquid concentrating under reduced pressure and get 23 kilograms of filtrates.The spent ion exchange resin adsorpting pigment, use 85% edible ethanol desorb again after, through ultrafiltration, nanofiltration, concentrate, 0.25 kilogram of aqueous haematochrome of red rice.Spray-dried, get 0.05 kilogram of powdery haematochrome of red rice.Detecting its look valency is 155.
Embodiment 2:
With the black scented rice in 30 kilograms of Jilin is raw material, adds 70 kilograms of immersions of pure water with 60 kilograms of 95% edible ethanols through cleaning after, adds VC accent PH4.0,60 ℃ of constant temperature 5 hours, and lixiviate 3 times, is got liquid at diatomite filtration.Filtrate is warming up to 80 ℃, goes into setting tank and be cooled to normal temperature rapidly, see through visor and observe the precipitation situation, after 5 hours, throw out is discharged, will not have precipitation liquid concentrating under reduced pressure and get 70 kilograms of filtrates.The spent ion exchange resin adsorpting pigment, use 85% edible ethanol desorb again after, through ultrafiltration, nanofiltration, dense filter, 0.75 kilogram of aqueous haematochrome of red rice.Spray-dried, get 0.15 kilogram of powdery haematochrome of red rice.Detecting its look valency is 160.
Embodiment 3:
With the black scented rice in 50 kilograms of Jilin is raw material, adds the immersion of pure water 120 kg with 100 kilograms of 95% edible ethanols through cleaning after, transfers PH4.0 with VC, 60 ℃ of constant temperature 5 hours, and lixiviate 3 times, is got liquid at diatomite filtration.Filtrate is warming up to 80 ℃, goes into setting tank and be cooled to normal temperature rapidly, see through visor and observe the precipitation situation, after 5 hours, throw out is discharged, will not have precipitation liquid concentrating under reduced pressure and get the filtrate 120 kg.The spent ion exchange resin adsorpting pigment, use 85% edible ethanol desorb again after, through ultrafiltration, nanofiltration, concentrate, 1.25 kilograms of liquid haematochrome of red rice.Spray-dried, get 0.25 kilogram of powdery haematochrome of red rice.Detecting its look valency is 157.
Claims (4)
1, a kind of haematochrome of red rice is characterized in that being is raw material with the black scented rice in Jilin, uses the edible ethanol lixiviate after cleaning, through plastic resin treatment, ultrafiltration, nanofiltration get the liquid haematochrome of red rice after concentrating again, the liquid haematochrome of red rice is concentrated the back spraying drying, get the powdery haematochrome of red rice.
2, the preparation method of the haematochrome of red rice of claim 1 is characterized in that the preparation method may further comprise the steps:
(1) extraction: at first the black scented rice in Jilin is cleaned, adding pure water with 95% edible ethanol then, to be diluted to ethanol content be 50%, after adding VC accent pH value 3.8-4.0, under 60 ℃ of constant temperature, soaked Jilin black scented rice 2-8 hour with this solution, haematochrome of red rice is dissolved in the ethanolic soln, after soaking for 2-3 time, filter, getting liquid, filtrate is warming up to 80 ℃, go into setting tank and be cooled to normal temperature rapidly, throw out is discharged, get haematochrome of red rice filtrate through concentrating under reduced pressure;
(2) plastic resin treatment: haematochrome of red rice filtrate is crossed resin, haematochrome of red rice is adsorbed on the resin, carries out haematochrome of red rice on the desorb resin as desorption solvent with the edible ethanol of 70-95%, the haematochrome of red rice ethanolic soln, adsorption time is 2-6 hour, desorption time 1-4 hour;
(3) smart filter: will through plastic resin treatment refining and the haematochrome of red rice ethanolic soln filter through ultrafiltration, nanofiltration;
(4) concentrate: essence is filtered the gained solution decompression concentrate, 60 ℃-80 ℃ of thickening temperatures also reclaim ethanol, are concentrated to degree Beaume 10-30, get aqueous haematochrome of red rice;
(5) sterilising treatment: aqueous haematochrome of red rice is carried out sterilising treatment, be convenient to prolonged preservation;
(6) drying treatment: the aqueous haematochrome of red rice that will be concentrated into the 10-30 degree Beaume carries out spraying drying, gets the powdery haematochrome of red rice.
3, the preparation method of haematochrome of red rice according to claim 2 is characterized in that the resin that is adopted in the step (2) is an acidic cation-exchange resin, one or more of basic anion exchange resin.
4, the preparation method of haematochrome of red rice according to claim 2 is characterized in that using in the step (3) UF.0B9 type external-compression type ultra-filtration membrane, and intake pressure is 0.1-0.3MPa, and the 2000A ultrafiltration membrane treatment is used in ultrafiltration at normal temperatures.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03127123 CN1590466A (en) | 2003-08-29 | 2003-08-29 | Red rice red colouring matter and its preparation method |
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| CN 03127123 CN1590466A (en) | 2003-08-29 | 2003-08-29 | Red rice red colouring matter and its preparation method |
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| CN1590466A true CN1590466A (en) | 2005-03-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516805A (en) * | 2011-12-19 | 2012-06-27 | 晨光生物科技集团股份有限公司 | Method for extracting anthocyanin from red rice red |
| CN101649127B (en) * | 2009-09-18 | 2012-11-28 | 长春海涛天然色素有限公司 | Preparation technology of red pigments of red rice |
| CN101747661B (en) * | 2009-12-22 | 2012-12-05 | 晨光生物科技集团股份有限公司 | Technology for improving ang-kak red pigment quality by utilizing enzyme preparation |
| CN104403358A (en) * | 2014-11-10 | 2015-03-11 | 云南瑞宝生物科技有限公司 | Preparation method of heatproof anthocyanin pigment |
| CN104479399A (en) * | 2014-12-22 | 2015-04-01 | 长沙理工大学 | Method for purifying loropetalumchinense var.rubrum flowerred pigment by utilizing anion exchange resin |
-
2003
- 2003-08-29 CN CN 03127123 patent/CN1590466A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649127B (en) * | 2009-09-18 | 2012-11-28 | 长春海涛天然色素有限公司 | Preparation technology of red pigments of red rice |
| CN101747661B (en) * | 2009-12-22 | 2012-12-05 | 晨光生物科技集团股份有限公司 | Technology for improving ang-kak red pigment quality by utilizing enzyme preparation |
| CN102516805A (en) * | 2011-12-19 | 2012-06-27 | 晨光生物科技集团股份有限公司 | Method for extracting anthocyanin from red rice red |
| CN102516805B (en) * | 2011-12-19 | 2014-03-12 | 晨光生物科技集团股份有限公司 | Method for extracting anthocyanin from red rice red |
| CN104403358A (en) * | 2014-11-10 | 2015-03-11 | 云南瑞宝生物科技有限公司 | Preparation method of heatproof anthocyanin pigment |
| CN104403358B (en) * | 2014-11-10 | 2016-04-06 | 云南瑞宝生物科技股份有限公司 | A kind of preparation method of heat-resisting anthocyani pigment |
| CN104479399A (en) * | 2014-12-22 | 2015-04-01 | 长沙理工大学 | Method for purifying loropetalumchinense var.rubrum flowerred pigment by utilizing anion exchange resin |
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