CN1073461A - Process for extracting purple corn pigment - Google Patents
Process for extracting purple corn pigment Download PDFInfo
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- CN1073461A CN1073461A CN 92106786 CN92106786A CN1073461A CN 1073461 A CN1073461 A CN 1073461A CN 92106786 CN92106786 CN 92106786 CN 92106786 A CN92106786 A CN 92106786A CN 1073461 A CN1073461 A CN 1073461A
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Abstract
A kind of process for extracting purple corn pigment belongs to the natural pigment preparation, is mainly used in toning of beverage drinks and food, cosmetics additive.It is characterized in that with the purple corn be raw material through powder process, extraction, precipitation, filter, boil, clarify make liquid purple corn pigment or reconcentration, drying is made concentrated liquid or solid, powdery purple corn pigment.Have raw material and be easy to get that to enrich valency low, technical process is short, and equipment is few, no industrial pollution, product is nonpoisonous and tasteless, and tone can change with the pH value is different, can liquid state can be solid-state, both can make the beverage toning agent, low, the economic benefit advantages of higher of additive, the cost that can make food, makeup again.
Description
A kind of process for extracting purple corn pigment belongs to the natural origin technical field of dye by the natural matter preparation, is mainly used to substitute synthetic coloring matter, makes the additive and the beverage toning agent of foods and cosmetics.
In prior art, at present commonly used have nearly 60 kinds of food dyes, wherein only have 20 surplus kind be natural pigment, all the other nearly 40 kinds be manually or half synthetic food color.Artificial color mainly is to extract phenyl ring and naphthalene nucleus material synthetic from coal tar, has certain toxicity, and therefore most of synthetic colours all have been under an embargo in many countries and have used as the foods and cosmetics additive.Find through consulting: nearly 13 of the extractive technique of the natural pigment of applying for a patent in China by the end of the published patent gazette of present China, but all be to extract other pigment, as application number is 90101859.7 to be to be the raw material production natural edible red pigment to set this flower, application number 91101573.5 is the raw material production natural chilli pigment with the capsicum, application number 85106031 is that raw material is produced red date pigment with non-ammonia process with the red date, application number 91101637.6 and application number 91106518.0 are that raw material extracts red sorghum pigment with Chinese sorghum strain and sorghum husk respectively, 90105333.3 of application number 91100120.6 and application numbers are to be that raw material extracts natural edible flavochrome with natural phant and maize yellow-powder respectively, application number 91104469.8 be from Semen Sesami Nigrum, extract melanic or the like.All these technology are compared not only institute's pigment of carrying with the present invention different, the raw material difference of getting, and also extracting method is also inequality.Only published in 1989 in Chemical Industry Press in the data abroad, standard book number is that report has extraction food dye in the purple corn that produce in South America from Peru etc. abroad in " foodstuff additive handbook " book of 040507, but does not introduce concrete extracting method.
The object of the present invention is to provide a kind of method simple, be convenient to operation, sufficient raw, price is low, and purposes is wide, both can make the additive of food, beverage, candy etc., can make the additive of makeup again, and under different pH values, show different colours, odorless, tasteless, the technological process of production is short, equipment is few, and technical requirements is low, the process for extracting purple corn pigment of no industrial pollution.
According to the General Principle of natural pigment extraction and the materialization characteristics of purple corn, at the subject matter that exists in the prior art, basic design of the present invention is: be raw material with the purple corn, take powder process, extraction, precipitation, filter, boil, clarify, concentrate and technology such as drying, realize goal of the invention.
The invention is characterized in that described process for extracting purple corn pigment comprises the steps: that (1) will be through screening removal impurity and mutational variety particularly white maize and the later pure purples corn processed powdering of Semen Maydis; (2) in the water purification with 0～60 ℃ of the Qarnet ground rice immersion after above-mentioned (1) processing, stir extraction 10～30 minutes, the ratio of Qarnet ground rice and water is 1: 5～1: 40(by weight); This step can repeat 1～2 time; (3) with the extraction liquid of above-mentioned (2) through precipitation, filter gained red-purple filtrate and boiled 1～10 minute, clarify again, filter and make transparent purplish red solution; (4) the transparent purplish red solution of above-mentioned (3) gained is removed 50～80% moisture through evaporation, simmer down to red-purple concentrated solution; (5) above-mentioned (4) concentrated solution is made red powdery solid pigment through spraying vacuum drying.Its fineness of Qarnet ground rice that be processed into above-mentioned (1) is the best with 20～60 orders.For need then can omit with liquid state or concentrated solution pigment as (5) or (5) and (4) of making beverage, drinks toning agent or do in the above-mentioned steps of additive such as cake in the food, directly make the red liquid state of transparent violet and make dark red purple concentrated liquid purple corn pigment by above-mentioned (4) by above-mentioned (3), perhaps in by (3) gained transparent violet red solution, add 10～30% propylene glycol again, make the liquid purple corn pigment that contains 10～30% propylene glycol.
Outstanding advantage of the present invention is: product of the present invention is that the purple corn of extensively planting with countries in the world is a raw material, raw material is easy to get and originates abundance, product is the nontoxic tasteless natural pigment of extremely people's popular welcome, its tone can change with the difference of pH value, acid is red, neutrality is baby pink, alkalescence is that red-violet colour is to bluish voilet, extracting method is comparatively easy, technical process is short, and required equipment is few, and technical requirements is low, free from environmental pollution in the production process, purposes is wide, both can be used for beverage, the toning of cold drink and drinks also can be used for the candy class, cold cuts classes such as ham and sausage, jam, the additive of foodstuffs such as cake and toiletries, cost is low, the economic benefit height.The less investment instant effect, big, medium-sized and small enterprises all can go into operation.
Most preferred embodiment of the present invention:
Get the pure Qarnet ground rice of 40 purposes 1kg, put into 10kg40 ℃ of warm water, stir extraction 20 minutes, precipitation, clear liquid filter, and add 10kg40 ℃ of warm water again in throw out, restir extraction 20 minutes, and redeposition, clear liquid filter; Boil 2 minutes clarification filtrations of filtrate and make the transparent red purple solution, when being used for the toning of beverage and drinks, be that adjust pH is acid storage, when be used for other occasions then reconcentration become dark red purple concentrated liquid purple corn pigment, or further dry processing powdering solid purple corn pigment, yield can reach more than 8%.
Change as present embodiment:
1, water addition ratio example, water temperature, extraction time, precipitation number of times, boiling time etc. all can suitably changes in tolerance band.
2, can add propylene glycol in right amount in leaching process makes the finished product pigment become the solution that contains 10～30% propylene glycol.
Claims (4)
1, a kind of process for extracting purple corn pigment, form by pulverizing, extraction, concentration technology flow process, the invention is characterized in that described process for extracting purple corn pigment comprises the steps: that (1) will be through the pure purples corn processed powdering of screening removal impurity and mutational variety; (2) the Qarnet ground rice after above-mentioned (1) processing is immersed in 0～60 ℃ of water purification, stir extraction 10～30 minutes, the ratio of Qarnet ground rice and water is 1: 5～1: 40, and this step can repeat 1～2 time; (3) with the extraction liquid of above-mentioned (2) through precipitation, filter gained red-purple filtrate and boiled 1～10 minute, clarify again, filter and make transparent purplish red solution; (4) the transparent purplish red solution of above-mentioned (3) gained is removed 50～80% moisture content through evaporation, the dark red purple of simmer down to concentrates molten; (5) with above-mentioned (4) concentrated solution through spraying vacuum drying, make red powdery solid pigment.
2, process for extracting purple corn pigment according to claim 1 is characterized in that the Qarnet ground rice that be processed into above-mentioned (1), and its fineness is the best with 20～60 orders.
3, process for extracting purple corn pigment according to claim 1, it is characterized in that above-mentioned (5) or (5) and (4) step for need with then can the omitting of liquid pigment, directly make the red liquid pigment of transparent violet or make dark red purple concentrated liquid purple corn pigment by (4) by above-mentioned (3).
4, process for extracting purple corn pigment according to claim 1 is characterized in that above-mentioned (3) add 10～30% propylene glycol again in gained transparent violet red solution, makes the liquid purple corn pigment that contains 10～30% propylene glycol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92106786 CN1073461A (en) | 1992-11-09 | 1992-11-09 | Process for extracting purple corn pigment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92106786 CN1073461A (en) | 1992-11-09 | 1992-11-09 | Process for extracting purple corn pigment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1073461A true CN1073461A (en) | 1993-06-23 |
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ID=4942420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92106786 Pending CN1073461A (en) | 1992-11-09 | 1992-11-09 | Process for extracting purple corn pigment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1073461A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1325748A4 (en) * | 2000-08-11 | 2005-01-26 | San Ei Gen Ffi Inc | Preventive or therapeutic drugs for cancers containing cyanidin compounds as the active ingredient |
| CN102627870A (en) * | 2012-03-14 | 2012-08-08 | 淮北普豪生物科技有限公司 | High-efficiency condensation extraction method of purple corn pigment |
-
1992
- 1992-11-09 CN CN 92106786 patent/CN1073461A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1325748A4 (en) * | 2000-08-11 | 2005-01-26 | San Ei Gen Ffi Inc | Preventive or therapeutic drugs for cancers containing cyanidin compounds as the active ingredient |
| CN102627870A (en) * | 2012-03-14 | 2012-08-08 | 淮北普豪生物科技有限公司 | High-efficiency condensation extraction method of purple corn pigment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |