CN102453346A - Extraction process for green pigment - Google Patents
Extraction process for green pigment Download PDFInfo
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- CN102453346A CN102453346A CN2010105195370A CN201010519537A CN102453346A CN 102453346 A CN102453346 A CN 102453346A CN 2010105195370 A CN2010105195370 A CN 2010105195370A CN 201010519537 A CN201010519537 A CN 201010519537A CN 102453346 A CN102453346 A CN 102453346A
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- extraction
- marennin
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- extraction process
- tiger fur
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Abstract
The invention relates to an extraction process for a food pigment. The invention provides an extraction process for a green pigment, and the process has the advantages of simple operation, a high extraction rate and strong stability of a prepared product. According to the invention, sansevieria trifasciata prain is used as a raw material, an ultrasonic method is used for extraction, and the process comprises the steps of cleaning, drying, crushing, extraction, filtering, condensation of a supernatant 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 Leaf of Snake Sansevieria of the blue another name of tiger fur, yellow limit Leaf of Snake Sansevieria, the tongue the orchid family of being born in the year of dragon Leaf of Snake Sansevieria 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 strong to the flexibility of environment, is prone to breeding, growth is 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 constitutes the food aesthetic quality.Therefore pigment is an important component part that constitutes foodstuff additive.But along with the growth of synthetic colour usage quantity, safety-problems causes people's attention gradually.Because it is the many no any nutritive values of synthetic colour, and harmful.Therefore utilize the extracted form natural plant food dye of toxicological harmless; It is the new trend of pursuing green food now; 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 big that the tint permanence of natural pigment and stability are influenced 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 to 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 is a raw material with the tiger fur orchid, utilizes supersonic method to extract, and process step is:
1. cleaning, dry, pulverizing;
2. lixiviate
The adding solid-liquid ratio is 1: 5～1: 30 a ethanolic soln in the blue dry powder of tiger fur, and the mass concentration of ethanolic soln is 10～60%, and regulation system pH value is 6～13, extracts 5～60min down at 20～80 ℃;
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 is not subject to external environment influence with by force stable.
Embodiment:
The present invention is a raw material with the tiger fur orchid, utilizes supersonic method to extract, and process step is:
1. cleaning, dry, pulverizing;
2. lixiviate
The adding solid-liquid ratio is 1: 5～1: 30 a ethanolic soln in the blue dry powder of tiger fur, and the mass concentration of ethanolic soln is 10～60%, and regulation system pH value is 6～13, extracts 5～60min down at 20～80 ℃;
3. filtration, supernatant concentration, drying.
As a kind of preferred version, process step of the present invention is: the ethanol with 40% is extraction agent, and solid-liquid ratio is 1: 20, and regulation system pH=5 uses ultrasonic extraction 20min down at 60 ℃.
Selective extraction agent type of the present invention, extraction agent concentration, solid-liquid ratio, extraction temperature, extraction time are as the factor that influences tiger fur orchid marennin extraction effect, visible 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 | Dissolve | Clarification |
| Acetone | Yi Rong | Clarification |
| ETHYLE ACETATE | Dissolve | Little muddy |
| Chloroform | Insoluble | Muddy |
Can find out that from table 1 the blue marennin of tiger fur is soluble in methyl alcohol, ethanol and acetone most, considers from practical application, the toxicity of methyl alcohol is bigger, and the cost of acetone is high, therefore should select for use economical and practical nontoxic again ethanol as the blue extraction agent of tiger fur.
Table 2 solid-liquid ratio is to the influence 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 extraction agent concentration is to the influence of the blue marennin extraction effect of tiger fur
| Extraction agent 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 to the influence 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 the influence of temperature to 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 is a raw material with the tiger fur orchid, utilizes supersonic method to extract, and process step is:
(1) cleaning, dry, pulverizing;
(2) lixiviate
The adding solid-liquid ratio is 1: 5～1: 30 a ethanolic soln in the blue dry powder of tiger fur, and the mass concentration of ethanolic soln is 10～60%, and regulation system pH value is 6～13, extracts 5～60min down at 20～80 ℃;
(3) filtration, supernatant concentration, drying.
2. the extraction process of a kind of marennin according to claim 1 is characterized in that, process step of the present invention is: the ethanol with 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, process step of the present invention is: regulation system pH=5, use ultrasonic extraction 20min down at 60 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105195370A CN102453346A (en) | 2010-10-26 | 2010-10-26 | Extraction process for green pigment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105195370A CN102453346A (en) | 2010-10-26 | 2010-10-26 | Extraction process for green pigment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102453346A true CN102453346A (en) | 2012-05-16 |
Family
ID=46037058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105195370A Pending CN102453346A (en) | 2010-10-26 | 2010-10-26 | Extraction process for green pigment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102453346A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102919249A (en) * | 2012-11-11 | 2013-02-13 | 内蒙古林业科学研究院 | Drug for inhibiting anoplophora glabripennis and preparation method of same |
| CN114208857A (en) * | 2021-12-31 | 2022-03-22 | 青岛农业大学 | Application of sansevieria trifasciata crude extract in preparing bactericide for preventing and treating plant diseases caused by downy mildew |
-
2010
- 2010-10-26 CN CN2010105195370A patent/CN102453346A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102919249A (en) * | 2012-11-11 | 2013-02-13 | 内蒙古林业科学研究院 | Drug for inhibiting anoplophora glabripennis and preparation method of same |
| CN102919249B (en) * | 2012-11-11 | 2015-06-24 | 内蒙古林业科学研究院 | Drug for inhibiting anoplophora glabripennis and preparation method of same |
| CN114208857A (en) * | 2021-12-31 | 2022-03-22 | 青岛农业大学 | Application of sansevieria trifasciata crude extract in preparing bactericide for preventing and treating plant diseases caused by downy mildew |
| CN114208857B (en) * | 2021-12-31 | 2022-08-30 | 青岛农业大学 | Application of sansevieria trifasciata crude extract in preparing bactericide for preventing and treating plant diseases caused by downy mildew |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120516 |