CN1115107C - Process for preparing natural nutritive black rice extract - Google Patents
Process for preparing natural nutritive black rice extract Download PDFInfo
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- CN1115107C CN1115107C CN01113488A CN01113488A CN1115107C CN 1115107 C CN1115107 C CN 1115107C CN 01113488 A CN01113488 A CN 01113488A CN 01113488 A CN01113488 A CN 01113488A CN 1115107 C CN1115107 C CN 1115107C
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- black rice
- rice extract
- extract
- sieve
- granulation
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- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The present invention relates to a method for preparing a natural nutrient black rice extract, which comprises the technological processes of shelling black rice millet, finely grinding Wugong unpolished rice, sieving crude raw material of the black rice extract, extruding the raw materials, granulating the black rice extract and screening the granules to obtain a finished product. The method specifically comprises: the shelling comprises: the glumes of black rice millet are removed; the fine grinding comprises: the chaff of unpolished black rice is removed through grinding; the sieving comprises: broken granules of the raw material of the black rice extract are sieved out; the extrusion comprises: the temperature is controlled between 125 and 135 DEG C, and the feeding and the rotary speed of a screw rod are cooperated with each other; the granulation is completed by a shearing mechanism, and the granule size can be adjusted; uniform black rice granules are obtained through the screening.
Description
What the present invention relates to is the manufacture method of a kind of manufacture method of black rice extract, particularly a kind of natural nutritive black rice extract, belongs to field of food.
Pigment additive of the prior art mostly refines from mineral matter and coal tar or chemical synthesis, therefore the use of pigment additive in food is subjected to strict restriction, the professional starts to develop and obtain natural colouring matter from plant, brings into play that it is harmless and have an effect of nutrition and health care to people.The patentee: 93109627.8 of the patents of invention of Shanghai Agricultural College's (now being Shanghai Communications University) are called: natural edible pigment extracted from black glutinous rice, its purposes and manufacture method thereof.The method of this patent be characterized as " with black rice through the rice polisher backing, obtain brown rice pericarp, plant skin and with the mixture of aleurone, embryo, again through grinding to form the powder more than 100 orders." though its technology of this method is simple, is fit to large-scale production, has lack of homogeneity on the color and luster of the black rice extract of producing, and is light, and white point is arranged, the commodity grade is low, and the drying enzyme that goes out is also more time-consuming, and nutrition destroys many.
The objective of the invention is to overcome deficiency of the prior art, a kind of manufacture method of natural nutritive black rice extract is provided.
Technical scheme of the present invention and embodiment are as follows: technological process is carried out as follows: 1. black rice millet shelling, 2. black rice is smart grinds, and 3. thick black rice extract raw material sieves, 4. extruding, 5. black rice extract granulation, 6. sub-sieve, 7. finished product, concrete grammar is as follows: shelling: adopt hulling machine that the clever shell of black rice millet is removed, obtain clean, pure black rice, the smart stone roller: adopt black rice that hulling machine will be clean grind under the chaff layer with clean cloth bag splendid attire, the output capacity of black rice extract should have 10-14%.The rice heart is the byproduct during black rice extract is produced, avoid grinding whitely excessively, should omit redly, sieve: the black rice extract raw material is removed broken rice with 20 mesh sieves sieve, to guarantee the quality of black rice extract, extruding: crimping section is the crux of technology, require temperature to be controlled between 125-135 ℃, charging should match with screw speed, granulation: granulation is that the black rice extract that will squeeze out is finished by the shear of being close to extruder die, can adjust the size of granulation, sub-sieve: use the screen-dividing machine sub-sieve to obtain uniform black rice particle.
Embodiment one: black rice millet is ground remove clever shell, grind chaff layer down through hulling machine, sieve go to crack rice 10% black rice extract raw material output capacity, it is darker that the rice heart shows as redness, handle through extruder, under 130 ℃ extrusion temperature, it is dark to show as color and luster by product after the cutter granulation, evenly, but output is low slightly.
Embodiment two: black rice millet is ground removes clever shell, grind chaff layer down through hulling machine, sieve go to crack rice 12% black rice extract raw material output capacity, handle through extruder, under 135 ℃ extrusion temperature, it is dark to show as color and luster by product after the cutter granulation, evenly, do not have obvious impurity, output is good.
Embodiment three: black rice millet is ground removes clever shell, grind chaff layer down through hulling machine, sieve go to crack rice 14% black rice extract raw material output capacity, handle through extruder, under 125 ℃ extrusion temperature, show as the output height by product after the granulation, but color and luster is light slightly, and the uniformity is not enough.
The present invention has substantive distinguishing features and marked improvement, and commodity are of high grade, and look black, and shinny, color and luster is even, Production efficiency height of the present invention, the product of processing are easy to preserve, and nutrition destroys seldom in the processing.
Claims (1)
1, a kind of manufacture method of natural nutritive black rice extract, it is characterized in that technological process carries out as follows: 1. black rice millet shelling, 2. black rice is smart grinds, 3. thick black rice extract raw material sieves, 4. extruding, 5. black rice extract granulation, 6. sub-sieve, 7. finished product, concrete grammar is as follows: shelling: adopt hulling machine that the clever shell of black rice millet is removed, obtain clean, pure black rice, the smart stone roller: adopt black rice that hulling machine will be clean grind under the chaff layer with clean cloth bag splendid attire, the output capacity of black rice extract should have 10-14%, the rice heart is the byproduct during black rice extract is produced, avoid grinding whitely excessively, should omit redly, sieve: the black rice extract raw material is removed broken rice with 20 mesh sieves sieve, to guarantee the quality of black rice extract, extruding: crimping section is the crux of technology, requires temperature to be controlled between 125-135 ℃, charging should match with screw speed, granulation: granulation is that the black rice extract that will squeeze out is finished by the shear of being close to extruder die, can adjust the size of granulation, sub-sieve: use the screen-dividing machine sub-sieve to obtain uniform black rice particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01113488A CN1115107C (en) | 2001-06-21 | 2001-06-21 | Process for preparing natural nutritive black rice extract |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01113488A CN1115107C (en) | 2001-06-21 | 2001-06-21 | Process for preparing natural nutritive black rice extract |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1327758A CN1327758A (en) | 2001-12-26 |
| CN1115107C true CN1115107C (en) | 2003-07-23 |
Family
ID=4660212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01113488A Expired - Fee Related CN1115107C (en) | 2001-06-21 | 2001-06-21 | Process for preparing natural nutritive black rice extract |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1115107C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303164C (en) * | 2003-12-12 | 2007-03-07 | 上海交通大学 | Process for preparing natural low-fat nutritive black rice extract |
| CN1301066C (en) * | 2004-11-22 | 2007-02-21 | 广东省农业科学院农业生物技术研究所 | Industrial prepn process of antioxidant active black rice matter |
| CN108244661A (en) * | 2018-03-22 | 2018-07-06 | 江南大学 | A kind of preparation method of the black rice husk meal fiber tablet rich in anthocyanidin |
-
2001
- 2001-06-21 CN CN01113488A patent/CN1115107C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1327758A (en) | 2001-12-26 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |