CN102240038A - Preparation technology of a black rice pigment - Google Patents
Preparation technology of a black rice pigment Download PDFInfo
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- CN102240038A CN102240038A CN2010101779081A CN201010177908A CN102240038A CN 102240038 A CN102240038 A CN 102240038A CN 2010101779081 A CN2010101779081 A CN 2010101779081A CN 201010177908 A CN201010177908 A CN 201010177908A CN 102240038 A CN102240038 A CN 102240038A
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- black rice
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Abstract
The invention which relates to a crop processing technology and concretely relates to a preparation technology of a black rice pigment belongs to the technical field of food processing. The technology comprises the following steps: milling black rice and red rice which are treated as raw materials by a rice mill; taking off black rice bran; carrying out extrusion puffing granulation (puffed black rice bran substances) after floury product separation and purification; processing puffed particles into biological cell broken wall powder with an ultrafine crushing technique; and extracting a natural pigment with a solvent extract process after extrusion puffing granulation and derosination.
Description
Technical field
The present invention relates to a kind of crops process technology, be specifically related to a kind of black rice extract technology of preparing, belong to food processing technology field.
Background technology
Black rice has nourishing and pharmacological effect bioactive ingredients, mainly is accumulated in the black cortex.Black rice extract contains protein (lysine amount spy is rich), lipid, vitamin, mineral matter and dietary fiber (content is 25%～30%) and is much higher than other grain.It the bioactive ingredients, also contains cardiac glycoside, alkaloid, phytosterol, Hu trailing plants b element, chlorophyll, Vc, V in containing general brown rice cortex and embryo
o, food function factor such as selenium.Water-soluble anthocyanidin and cardiac glycoside coexist as in the black rice rice skin, and cardiac glycoside is a cardiostimulator, can help the mental asthenia patient treatment.Cyanidin has polyphenol anthocyanin class compound general features structure, thus enhancing immunity is arranged, anti-oxidant, delay senility, health care such as anticancer.Black rice rice bran ultramicro grinding behind extrusion reaches biological cell broken wall purpose, and cell bio-activity composition content is directly exposed, and improves dissolution rate, can promote and enlarge their eating effects.Rice bran-fiber exists with ultra-fine form, and its expansion particle is many, disintegration rapidly in human body.In addition, black rice extract has good storage.Black rice extract is a kind of natural food pigment, is again functional food ingredient, is applicable to processing black (purple, red) look food, by 5%.20% ratio is processed into black rice flour, black rice bean vermicelli, black bread, black noodles, black cake, black rice (oatmeal) dilated food etc. after being mixed with other grain powder, also can be mixed with functional foods such as color wine, beverage.Black rice pigments is easy to use, and lovely luster, uniform coloring, tone are stable, and can be deployed into different tones as required, and it is painted to be specially adapted to low temperature or normal temperature and acid food.Black rice pigments can not only be dissolved in alcohol and water, can also be miscible with lard, cream, margarine etc., and make dyeing such as thin pork, can be used for pattern dessert, decorative cakes, ice cream, preparation color wine, beverage, candy etc.At present, yet there are no about extracting the report of black rice extract process technology.
Summary of the invention
The objective of the invention is for overcoming above-mentioned the deficiencies in the prior art part, a kind of black rice extract technology of preparing is provided, with black, red rice is that raw material is milled through rice mill, peel the black rice rice bran, behind chaff crushed rices isolation of purified, carry out extrusion granulation (black rice rice bran expansion thing), expanded grain adopts superfine communication technique to be processed into biological cell broken wall powder, after extrusion granulation, degreasing, adopt solvent natural colouring matter that extracting technology extracts.
The present invention realizes with following technical scheme: a kind of black rice extract technology of preparing, it is characterized in that: with black, red rice is that raw material is milled through rice mill, peel the black rice rice bran, behind chaff crushed rices isolation of purified, carry out extrusion granulation (black rice rice bran expansion thing), expanded grain adopts superfine communication technique to be processed into biological cell broken wall powder, more than mill, separate and purify, extrusion, ultramicro grinding etc. are the physics method, extrusion is integrated black rice keeping rice bran fresh and expanding treatment, it is standby that full black rice endosperm is processed into ultrafine powder after also can be expanded, black rice pigments (anthocyanidin) belongs to water colo(u)r, at polar solvent such as methyl alcohol, ethanol, ethylene glycol, propane diols, dissolving in the acetic acid etc., adopt chemical method one solvent microwave leaching technology from black rice rice skin puff or black rice swelling powder, to extract black rice pigments, the black rice pigments liquid that extracts, through vacuum distillation and vacuum is condensed into aqueous or the paste goods, concentrate, through freezing pulverizing one drying, the black rice pigments freeze-dried powder is processed in spray-drying or crystallization respectively, spray powder or its crystalloid goods.
Described ethanol extraction, be with 60% ethanol, with HCI leaching liquor pH value is adjusted into 3, under 70 ℃ of conditions, lixiviate 30min, another kind of method is 1.5N HCI, 95% (V: V=15: 85) ethanol extraction, 80 ℃ of water-baths, lixiviate 60min filters with plate and frame filter press (filter cloth aperture Z 240), get pigment mixed liquor and filter cake after the press filtration, the multiple lixiviate of filter cake 2～3 times, press filtration rear filtrate can be used for next production batch " lixiviate, filter cake comprehensive utilization behind precipitation (it is multiplexing to reclaim solvent); pigment mixed liquor elder generation vacuum distillation; behind the distillate condensing, it is multiplexing to reclaim solvent: vacuum concentrates again, and striking point is by aqueous or paste goods; spray-drying gets finished product.
Advantage of the present invention is: black rice rice bran ultramicro grinding behind extrusion, reach biological cell broken wall purpose, and cell bio-activity composition content is directly exposed, improve dissolution rate, can promote and enlarge their eating effects.Rice bran-fiber exists with ultra-fine form, and its expansion particle is many, disintegration rapidly in human body.In addition, black rice extract has good storage.Black rice extract is a kind of natural food pigment, is again functional food ingredient, is applicable to processing black (purple, red) look food, by 5%.20% ratio is processed into black rice flour, black rice bean vermicelli, black bread, black noodles, black cake, black rice (oatmeal) dilated food etc. after being mixed with other grain powder, also can be mixed with functional foods such as color wine, beverage.
The invention will be further described below in conjunction with embodiment;
The specific embodiment
Embodiment,
A kind of black rice extract technology of preparing, with black, red rice is that raw material is milled through rice mill, peel the black rice rice bran, behind chaff crushed rices isolation of purified, carry out extrusion granulation (black rice rice bran expansion thing), expanded grain adopts superfine communication technique to be processed into biological cell broken wall powder, more than mill, separate and purify, extrusion, ultramicro grinding etc. are the physics method, extrusion is integrated black rice keeping rice bran fresh and expanding treatment, it is standby that full black rice endosperm is processed into ultrafine powder after also can be expanded, black rice pigments (anthocyanidin) belongs to water colo(u)r, at polar solvent such as methyl alcohol, ethanol, ethylene glycol, propane diols, dissolving in the acetic acid etc., adopt chemical method one solvent microwave leaching technology from black rice rice skin puff or black rice swelling powder, to extract black rice pigments, the black rice pigments liquid that extracts is through vacuum distillation and vacuum is condensed into aqueous or the paste goods, concentrate, through freezing pulverizing one drying, the black rice pigments freeze-dried powder is processed in spray-drying or crystallization respectively, spray powder or its crystalloid goods.
Described ethanol extraction, be with 60% ethanol, with HCI leaching liquor pH value is adjusted into 3, under 70 ℃ of conditions, lixiviate 30min, another kind of method is 1.5N HCI, 95% (V: V=15: 85) ethanol extraction, 80 ℃ of water-baths, lixiviate 60min filters with plate and frame filter press (filter cloth aperture Z 240), get pigment mixed liquor and filter cake after the press filtration, the multiple lixiviate of filter cake 2～3 times, press filtration rear filtrate can be used for next production batch " lixiviate, filter cake comprehensive utilization behind precipitation (it is multiplexing to reclaim solvent); pigment mixed liquor elder generation vacuum distillation; behind the distillate condensing, it is multiplexing to reclaim solvent: vacuum concentrates again, and striking point is by aqueous or paste goods; spray-drying gets finished product.
Claims (2)
1. black rice extract technology of preparing, it is characterized in that: with black, red rice is that raw material is milled through rice mill, peel the black rice rice bran, behind chaff crushed rices isolation of purified, carry out extrusion granulation (black rice rice bran expansion thing), expanded grain adopts superfine communication technique to be processed into biological cell broken wall powder, more than mill, separate and purify, extrusion, ultramicro grinding etc. are the physics method, extrusion is integrated black rice keeping rice bran fresh and expanding treatment, it is standby that full black rice endosperm is processed into ultrafine powder after also can be expanded, black rice pigments (anthocyanidin) belongs to water colo(u)r, at polar solvent such as methyl alcohol, ethanol, ethylene glycol, propane diols, dissolving in the acetic acid etc., adopt chemical method one solvent microwave leaching technology from black rice rice skin puff or black rice swelling powder, to extract black rice pigments, the black rice pigments liquid that extracts is through vacuum distillation and vacuum is condensed into aqueous or the paste goods, concentrate, through freezing pulverizing one drying, the black rice pigments freeze-dried powder is processed in spray-drying or crystallization respectively, spray powder or its crystalloid goods.
2. according to the described a kind of black rice extract technology of preparing of claim, it is characterized in that: described ethanol extraction, be with 60% ethanol, with HCI leaching liquor pH value is adjusted into 3, under 70 ℃ of conditions, lixiviate 30min, another kind method is 1.5N HCI, 95% (V: V=15: 85) ethanol extraction, 80 ℃ of water-baths, lixiviate 60min, filter with plate and frame filter press (filter cloth aperture Z 240), get pigment mixed liquor and filter cake after the press filtration, the multiple lixiviate of filter cake 2～3 times, the press filtration rear filtrate can be used for next production batch, and " behind the distillate condensing; it is multiplexing to reclaim solvent: vacuum concentrates again for lixiviate; filter cake comprehensive utilization behind precipitation (it is multiplexing to reclaim solvent), the vacuum distillation of pigment mixed liquor elder generation, and striking point is by aqueous or paste goods; spray-drying gets finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101779081A CN102240038A (en) | 2010-05-15 | 2010-05-15 | Preparation technology of a black rice pigment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101779081A CN102240038A (en) | 2010-05-15 | 2010-05-15 | Preparation technology of a black rice pigment |
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| CN102240038A true CN102240038A (en) | 2011-11-16 |
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| CN2010101779081A Pending CN102240038A (en) | 2010-05-15 | 2010-05-15 | Preparation technology of a black rice pigment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319911A (en) * | 2013-07-17 | 2013-09-25 | 黄香利 | Technology for extracting mulberry haematochrome from mulberry residue |
| CN103529030A (en) * | 2013-11-01 | 2014-01-22 | 陈科 | Device for quickly detecting dyed black rice of low quality |
| CN104171866A (en) * | 2014-07-30 | 2014-12-03 | 秦皇岛必爱尔生物科技有限公司 | Black rice skin concentrated piece and preparation method thereof |
| CN104262314A (en) * | 2014-09-12 | 2015-01-07 | 长春海涛天然色素有限公司 | Preparation process of high-purity black rice anthocyanin |
| CN107125288A (en) * | 2017-05-18 | 2017-09-05 | 湖北工业大学 | The method that Cyanidin suppresses AGEs in chiffon cake |
| CN107235951A (en) * | 2017-07-03 | 2017-10-10 | 中南林业科技大学 | A kind of new method of the high efficiency extraction anthocyanidin from black rice |
| CN108384275A (en) * | 2018-03-06 | 2018-08-10 | 上海交通大学 | A method of improving black rice pigments stability |
| CN109820138A (en) * | 2019-03-28 | 2019-05-31 | 云南农业大学 | A kind of wheat flour and preparation method thereof rich in natural anthocyanidin |
| CN109984311A (en) * | 2019-03-25 | 2019-07-09 | 烟台市水产研究所 | A method of using natural food materials be unsalted dried sea cucumbers colour |
-
2010
- 2010-05-15 CN CN2010101779081A patent/CN102240038A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319911A (en) * | 2013-07-17 | 2013-09-25 | 黄香利 | Technology for extracting mulberry haematochrome from mulberry residue |
| CN103529030A (en) * | 2013-11-01 | 2014-01-22 | 陈科 | Device for quickly detecting dyed black rice of low quality |
| CN104171866A (en) * | 2014-07-30 | 2014-12-03 | 秦皇岛必爱尔生物科技有限公司 | Black rice skin concentrated piece and preparation method thereof |
| CN104262314A (en) * | 2014-09-12 | 2015-01-07 | 长春海涛天然色素有限公司 | Preparation process of high-purity black rice anthocyanin |
| CN104262314B (en) * | 2014-09-12 | 2016-08-17 | 长春海涛天然色素有限公司 | Black rice anthocyanin preparation technology |
| CN107125288A (en) * | 2017-05-18 | 2017-09-05 | 湖北工业大学 | The method that Cyanidin suppresses AGEs in chiffon cake |
| CN107235951A (en) * | 2017-07-03 | 2017-10-10 | 中南林业科技大学 | A kind of new method of the high efficiency extraction anthocyanidin from black rice |
| CN108384275A (en) * | 2018-03-06 | 2018-08-10 | 上海交通大学 | A method of improving black rice pigments stability |
| CN108384275B (en) * | 2018-03-06 | 2019-09-10 | 上海交通大学 | A method of improving black rice pigments stability |
| CN109984311A (en) * | 2019-03-25 | 2019-07-09 | 烟台市水产研究所 | A method of using natural food materials be unsalted dried sea cucumbers colour |
| CN109820138A (en) * | 2019-03-28 | 2019-05-31 | 云南农业大学 | A kind of wheat flour and preparation method thereof rich in natural anthocyanidin |
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Application publication date: 20111116 |