CN103030992A - Green pigment extraction technology - Google Patents
Green pigment extraction technology Download PDFInfo
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- CN103030992A CN103030992A CN 201110290530 CN201110290530A CN103030992A CN 103030992 A CN103030992 A CN 103030992A CN 201110290530 CN201110290530 CN 201110290530 CN 201110290530 A CN201110290530 A CN 201110290530A CN 103030992 A CN103030992 A CN 103030992A
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- marennin
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Abstract
The invention relates to an edible pigment extraction technology, and specifically relates to a green pigment extraction technology. The green pigment extraction technology has the advantages of simple operation, high extraction rate, and strong product stability. The green pigment extraction technology treats Sansevieria trifasciata as a raw material, utilizes an ultrasonic method to extract, and comprises the steps of cleaning, drying, crushing, extracting, filtering, supernatant concentration, and drying.
Description
Technical field:
The present invention relates to a kind of extraction process of food dye, more particularly, relate to a kind of extraction process of marennin.
Background technology:
The golden-rimmed Folium Sansevieriae Trifasclatae of the blue another name of tiger fur, yellow limit Folium Sansevieriae Trifasclatae, the tongue the orchid family of being born in the year of dragon Folium Sansevieriae Trifasclatae belongs to.Blue Africa, the India of originating in of tiger fur, per nnial herb, kind is more.The blue blade of tiger fur is strong upright, and there is greyish white and dark green alternate brave shape of tail cross band speckle on the blade face, and attitude is resolute and steadfast; It is to the strong adaptability of environment, and easily breeding, growth are fast, be a kind of integrate view and admire, the plant of greening, fibrous material.
The color and luster of food is one of important factor that consists of the food aesthetic quality.Therefore pigment is an important component part that consists of foodstuff additive.But along with the growth of synthetic colour usage quantity, safety problem causes people's concern gradually.Because synthetic colour is many without any nutritive value, and harmful.Therefore utilize the extracted form natural plant food dye of toxicological harmless; it is the new trend of pursuing now green food; the blue blade of tiger fur is rich in green, is the natural pigment resource that has DEVELOPMENT PROSPECT, and this development to the protection people's health and foodstuffs industry is significant.Because it is very large that the tint permanence of natural pigment and stability are affected by the pH of light, heat, oxidation and medium, and extract difficulty, limited the development and application of natural pigment.
Summary of the invention:
The present invention is exactly for the problems referred to above, provide a kind of simple to operate, extraction yield is high, the extraction process of the marennin that product stability is strong.
In order to realize above-mentioned purpose of the present invention, the present invention adopts following technical scheme, and the present invention utilizes supersonic method to extract take the tiger fur orchid as raw material, and processing step is:
1. cleaning, dry, pulverizing;
2, lixiviate
Add solid-liquid ratio in the blue dry powder of tiger fur and be 1: 5～1: 30 ethanolic soln, the mass concentration of ethanolic soln is 10～60%, and regulation system pH value is 6～13, at 20～80 ℃ of lower extraction 5～60min;
3, filtration, supernatant concentration, drying.
Beneficial effect of the present invention:
1, the present invention is simple to operate, and weak point consuming time is beneficial to amplify and produces;
2, extraction yield of the present invention is 35.9%;
3, the blue marennin purity of the tiger fur of the present invention's extraction is high, and tint permanence and stability are not subject to external environment influence by force.
Embodiment:
The present invention utilizes supersonic method to extract take the tiger fur orchid as raw material, and processing step is:
1. cleaning, dry, pulverizing;
2. lixiviate
Add solid-liquid ratio in the blue dry powder of tiger fur and be 1: 5～1: 30 ethanolic soln, the mass concentration of ethanolic soln is 10～60%, and regulation system pH value is 6～13, at 20～80 ℃ of lower extraction 5～60min;
3. filtration, supernatant concentration, drying.
As a kind of preferred version, processing step of the present invention is: the ethanol take 40% is extraction agent, and solid-liquid ratio is 1: 20, and regulation system pH=5 is at 60 ℃ of lower ultrasonic extraction 20min that use.
Selective extraction agent type of the present invention, Extractant concentration, solid-liquid ratio, extraction temperature, extraction time be as the factor that affects the blue marennin extraction effect of tiger fur, can see Table 1, table 2, table 3, table 4.
The solubleness of table 1 pigment in different extraction agents
| Solvent | Solubleness | Clarity |
| Water | Slightly soluble | Muddy |
| Methyl alcohol | Yi Rong | Clarification |
| Ethanol | Yi Rong | Clarification |
| Propyl carbinol | Slightly soluble | Little muddy |
| Primary isoamyl alcohol | Slightly soluble | Little muddy |
| Ether | Molten | Clarification |
| Acetone | Yi Rong | Clarification |
| Ethyl acetate | Molten | Little muddy |
| Chloroform | Insoluble | Muddy |
As can be seen from Table 1, the blue marennin of tiger fur is soluble in methyl alcohol, ethanol and acetone most, considers from practical application, and the toxicity of methyl alcohol is larger, and the cost of acetone is high, therefore should select economical and practical again nontoxic ethanol as the extraction agent of tiger fur orchid.
Table 2 solid-liquid ratio is on the impact of the blue marennin extraction effect of tiger fur
| Solid-liquid ratio | 1∶5 | 1∶10 | 1∶15 | 1∶20 | 1∶25 | 1∶30 |
| Absorbancy | 0.112 | 0.127 | 0.149 | 0.221 | 0.199 | 0.157 |
Table 3 Extractant concentration is on the impact of the blue marennin extraction effect of tiger fur
| Extractant concentration/% | 10 | 20 | 30 | 40 | 50 | 60 |
| Absorbancy | 0.227 | 0.230 | 0.233 | 0.241 | 0.184 | 0.171 |
Table 4 pH value is on the impact of the blue marennin extraction effect of tiger fur
| pH | 3 | 5 | 7 | 9 | 11 | 13 |
| Absorbancy | 0.2526 | 0.2546 | 0.2445 | 0.2337 | 0.1995 | 0.1716 |
Table 5 extracts temperature to the impact of the blue marennin extraction effect of tiger fur
| Temperature/℃ | 20 | 30 | 40 | 50 | 60 | 70 | 80 |
| Absorbancy | 0.203 | 0.219 | 0.236 | 0.239 | 0.259 | 0.251 | 0.242 |
Claims (3)
1. the extraction process of a marennin is characterized in that, the present invention utilizes supersonic method to extract take the tiger fur orchid as raw material, and processing step is:
(1) cleaning, dry, pulverizing;
(2) lixiviate
Add solid-liquid ratio in the blue dry powder of tiger fur and be 1: 5～1: 30 ethanolic soln, the mass concentration of ethanolic soln is 10～60%, and regulation system pH value is 6～13, at 20～80 ℃ of lower extraction 5～60min;
(3) filtration, supernatant concentration, drying.
2. the extraction process of a kind of marennin according to claim 1 is characterized in that, processing step of the present invention is: the ethanol take 40% is extraction agent, and solid-liquid ratio is 1: 20.
3. the extraction process of a kind of marennin according to claim 1 is characterized in that, processing step of the present invention is: regulation system pH=5, and at 60 ℃ of lower ultrasonic extraction 20min that use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110290530 CN103030992A (en) | 2011-09-29 | 2011-09-29 | Green pigment extraction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110290530 CN103030992A (en) | 2011-09-29 | 2011-09-29 | Green pigment extraction technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103030992A true CN103030992A (en) | 2013-04-10 |
Family
ID=48018414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110290530 Pending CN103030992A (en) | 2011-09-29 | 2011-09-29 | Green pigment extraction technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103030992A (en) |
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2011
- 2011-09-29 CN CN 201110290530 patent/CN103030992A/en active Pending
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| Date | Code | Title | Description |
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| DD01 | Delivery of document by public notice |
Addressee: Qin Qianying Document name: Notification of Passing Preliminary Examination of the Application for Invention |
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| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Qin Qianying Document name: Notification that Application Deemed to be Withdrawn |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130410 |