CN103694730A - Preparation method of gardenia yellow plant dye - Google Patents
Preparation method of gardenia yellow plant dye Download PDFInfo
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- CN103694730A CN103694730A CN201310707480.0A CN201310707480A CN103694730A CN 103694730 A CN103694730 A CN 103694730A CN 201310707480 A CN201310707480 A CN 201310707480A CN 103694730 A CN103694730 A CN 103694730A
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Abstract
A preparation method of a gardenia yellow plant pigment belongs to the technical field of chemical dye. The preparation method comprises the following steps: selecting gardenia plants as raw materials, crushing the raw materials into a plant powder by a traditional Chinese medicine crusher, adding 50% ethanol solution into the plant powder, carrying out ultrasonic wave treatment on the mixture under the heating condition, extracting the natural dye, wherein the ratio of the plant powder and the solvent is 1:20; carrying out centrifugal treatment on the mixture liquid, taking supernatant to obtain dye; drying and concentrating the extracted natural dye by a rotary evaporator to produce a dye concentrate; carrying out high-speed centrifugal spray drying on the dye concentrate to produce the natural dye powder. The preparation method has features of wide resources of raw material, simple production technology and high production efficiency, and the prepared dye powder is very convenient to transport, store and produce.
Description
Technical field
The present invention relates to the preparation method of Gardenia Yellow vegetable dye, it belongs to chemical dyestuff technical field.
Background technology
Raising along with people's living standard, quality of life and living environment are more and more paid attention to, the biological degradation of natural plant dye self energy, do not affect environment, vegetable dye source plant, can expand plantation, continuous production, and it is applied to textile dyeing, there is significant Social benefit and economic benefit.Yellow Fructus Gardeniae contains pigment, is a kind of good pure natural dyestuff.
Summary of the invention
In view of the defect that prior art exists, the object of the present invention is to provide the preparation method of Gardenia Yellow vegetable dye, make its technique simple, production efficiency is high, easily extracts the natural plant dye with dyeing function.
For achieving the above object, the technology used in the present invention solution is the preparation method of Gardenia Yellow vegetable dye, comprises the following steps:
A, choose Yellow Fructus Gardeniae plant, with medicinal herb grinder, be ground into plant powder, add 50% aqueous ethanolic solution, under heating condition, carry out ultrasonication, extract natural dye liquor, plant powder is 1:20 with the ratio of solvent, mixed solution carries out centrifugal treating, gets the upper strata stillness of night to obtain dye solution;
B, the dye solution extracting be dried and is concentrated by Rotary Evaporators, make dye concentrated solution;
C, by dye concentrated solution through hig h-speed centrifugal spray drying, make natural dye powder.
Described plant powder is 40 orders.
Described Heating temperature is 70-80 ℃.
Described ultrasonic treatment time is 0. 5-1 hour.
Vacuum tightness 0.085 MPa of described Rotary Evaporators, bath temperature is 60 ~ 70 ℃.
The power of described ultrasonication is 250w.
Adopt after such scheme, compared with prior art there is following beneficial effect: raw material sources are convenient, and production technique is simple; Be prepared into powder dye, be convenient to very much transportation, store and produce, production efficiency is high.
Embodiment
The present invention is below described further in connection with embodiment:
The preparation method of Gardenia Yellow vegetable dye, adopt following technological process: choose Yellow Fructus Gardeniae plant, with medicinal herb grinder, be ground into plant powder, add 50% aqueous ethanolic solution, under heating condition, carry out ultrasonication, extract natural dye liquor, plant powder is 1:20 with the ratio of solvent, mixed solution carries out centrifugal treating, gets the upper strata stillness of night to obtain dye solution; The dye solution extracting is dried and is concentrated by Rotary Evaporators, make dye concentrated solution; Dye concentrated solution, through hig h-speed centrifugal spray drying, is made to natural dye powder.
Described plant powder is 40 orders.
Described Heating temperature is 70-80 ℃.
Described ultrasonic treatment time is 0. 5-1 hour.
Vacuum tightness 0.085 MPa of described Rotary Evaporators, bath temperature is 60 ~ 70 ℃.
The power of described ultrasonication is 250w.
Raw material sources are convenient, and production technique is simple; Be prepared into powder dye, be convenient to very much transportation, store and produce, production efficiency is high.
Claims (6)
1. the preparation method of Gardenia Yellow vegetable dye, is characterized in that: comprise the following steps:
Choose Yellow Fructus Gardeniae plant, with medicinal herb grinder, be ground into plant powder, add 50% aqueous ethanolic solution, under heating condition, carry out ultrasonication, extract natural dye liquor, plant powder is 1:20 with the ratio of solvent, mixed solution carries out centrifugal treating, gets the upper strata stillness of night to obtain dye solution;
The dye solution extracting is dried and is concentrated by Rotary Evaporators, make dye concentrated solution;
Dye concentrated solution, through hig h-speed centrifugal spray drying, is made to natural dye powder.
2. the preparation method of Gardenia Yellow vegetable dye according to claim 1, its feature in: described plant powder is 40 orders.
3. the preparation method of Gardenia Yellow vegetable dye according to claim 1, is characterized in that: described Heating temperature is 70-80 ℃.
4. the preparation method of Gardenia Yellow vegetable dye according to claim 1, is characterized in that: described ultrasonic treatment time is 0. 5-1 hour.
5. the preparation method of Gardenia Yellow vegetable dye according to claim 1, is characterized in that: vacuum tightness 0.085 MPa of described Rotary Evaporators, bath temperature is 60 ~ 70 ℃.
6. the preparation method of Gardenia Yellow vegetable dye according to claim 1, is characterized in that: the power of described ultrasonication is 250w.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310707480.0A CN103694730A (en) | 2013-12-20 | 2013-12-20 | Preparation method of gardenia yellow plant dye |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310707480.0A CN103694730A (en) | 2013-12-20 | 2013-12-20 | Preparation method of gardenia yellow plant dye |
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| Publication Number | Publication Date |
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| CN103694730A true CN103694730A (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310707480.0A Pending CN103694730A (en) | 2013-12-20 | 2013-12-20 | Preparation method of gardenia yellow plant dye |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104278548A (en) * | 2014-10-15 | 2015-01-14 | 嘉兴市梦迪织造有限公司 | Digital ink-jet printing ink based on extract of stems and leaves of celosia cristata L. |
| CN105925006A (en) * | 2016-05-25 | 2016-09-07 | 南通富之岛寝具发展有限公司 | Preparation method of vegetable dye |
| CN106243772A (en) * | 2016-07-18 | 2016-12-21 | 南通富之岛寝具发展有限公司 | A kind of natural dye |
| CN108530938A (en) * | 2018-04-18 | 2018-09-14 | 苏州海森伯格环保科技有限公司 | A kind of dye device |
-
2013
- 2013-12-20 CN CN201310707480.0A patent/CN103694730A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104278548A (en) * | 2014-10-15 | 2015-01-14 | 嘉兴市梦迪织造有限公司 | Digital ink-jet printing ink based on extract of stems and leaves of celosia cristata L. |
| CN104278548B (en) * | 2014-10-15 | 2016-06-29 | 浙江梦迪针织有限公司 | A kind of digital ink-jet printed ink based on Flos Celosiae Cristatae stem and leaf extract |
| CN105925006A (en) * | 2016-05-25 | 2016-09-07 | 南通富之岛寝具发展有限公司 | Preparation method of vegetable dye |
| CN106243772A (en) * | 2016-07-18 | 2016-12-21 | 南通富之岛寝具发展有限公司 | A kind of natural dye |
| CN108530938A (en) * | 2018-04-18 | 2018-09-14 | 苏州海森伯格环保科技有限公司 | A kind of dye device |
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Application publication date: 20140402 |
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| WD01 | Invention patent application deemed withdrawn after publication |