CN101100557A - Method for extracting mulberry pigment - Google Patents
Method for extracting mulberry pigment Download PDFInfo
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- CN101100557A CN101100557A CNA2007100251599A CN200710025159A CN101100557A CN 101100557 A CN101100557 A CN 101100557A CN A2007100251599 A CNA2007100251599 A CN A2007100251599A CN 200710025159 A CN200710025159 A CN 200710025159A CN 101100557 A CN101100557 A CN 101100557A
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Abstract
A method for extracting coloring matter from mulberry is carried out by cleaning, squeezing with residue water content between 25-30 wt%, leaching by micro-wave method, extracting by ethanol proportionally, fixing volume at a certain value, determining absorbance A by pH difference, and converting it into anthocyanin concentration by computing Fuleki. The total anthocyanin concentration reaches to 98.7 mg/L. It has short extractive time, better selectivity and effective-ingredients extractive rate.
Description
Technical field
The invention relates to the extracting process of fruit pigment, more particularly, the invention relates to the method for applied microwave technology extraction mulberry pigment from mulberry fruit.
Background technology
Because the safety issue of synthetic colour, it uses oneself to be restricted gradually, even the use that is under an embargo.Natural pigment gives a sense of security, has certain nutrition and pharmacology health-care effect, therefore is subjected to people's favor day by day.The color and luster of food is an important factor that constitutes food sense organ, quality, but the tempting appetite of food people's color and luster energy, so in food-processing, keep the good color and luster of food to become a major issue.Mulberry may haematochrome be naturally occurring a kind of coloring matter in the sorosis, and its color and luster is tempting, also is simultaneously to estimate the important indicator that mulberry is born fabricated product.Present mulberry is born haematochrome, and oneself uses one of 48 kinds of natural pigments in the hygienic standards (GB2760-1996) through listing China's national standard foodstuff additive in, can be acidic food, tinting material as beverage, candy, cake, jelly etc. uses, simultaneously because its nutrition pharmacology health-care effect also can be used as makeup and the healthcare products tinting material is developed.
Domestic research to mulberry pigment extraction aspect at present is more, but focuses mostly in conventional solvent heating extracting technology, and this extracting process has weak points such as required time is long, solvent load is bigger.Along with the continuous development of microwave technology, oneself is widely used in food and pharmaceutical research the microwave preparing process, is used for the extraction of natural pigment especially again and again.Characteristics such as it has penetration power and selectivity is strong, heating efficiency height.Yet traditional separation method exists various shortcoming, can not satisfy human needs to mulberry pigment, therefore needs the many disadvantages of the new production technique solution mulberry pigment production aspect of invention.
Summary of the invention
Technical problem: the objective of the invention is to overcome the shortcoming of prior art, a kind of method of new extraction mulberry pigment is provided.
Used the technology skeleton of the method for microwave extracting among the present invention, reached the purpose of safe extraction mulberry pigment as the extraction mulberry pigment.
Technical scheme: the present invention is achieved by following technical proposals: squeeze the juice after earlier mulberry fruit being cleaned, make the residue water content within 25%～30%, it is 227.5W～650W that microwave reinforced lixiviate residue, microwave extracting firepower are adopted in the back, extract solid-liquid ratio is that 1: 5～1: 25, extraction agent alcohol concn are 0%～60%, microwave treatment time is 2mins～10mins.
Described microwave extracting firepower is preferably 650W, and described extraction solid-liquid ratio is preferably 1: 20, described extraction agent alcohol concn is preferably 30%, described microwave treatment time is preferably 4mins.Extract total anthocyanin content this moment is 98.7mg/L.
Beneficial effect: microwave extracting since it be a kind of instantaneous penetration type of heating, under the effect of microwave field vegetable cell by broken wall, thereby accelerated extraction rate and improved the product yield effectively.It is a kind of microwave reinforced solid-liquid leaching process of utilizing, and is a kind of novel auxiliary extraction technology that has much development potentiality.Its principle is: microwave be between 1 millimeter～1 meter (frequency is between 3 * 10
6～3 * 10
8HZ) hertzian wave, the characteristics that it has reflection, penetrates, absorbs.The dielectric constant of different substances, specific heat capacity and water content will cause the ability difference of various material absorbing microwaves.The microwave radiation radiation is in solvent and see through mulberry fruit cell walls arrival cell interior, because polar solvent and enchylema absorb micro-wave energy, cell interior and near temperature raise, vapor pressure increases, when pressure surpasses the ability to bear of mulberry fruit cell walls, the mulberry fruit cell wall rupture, the effective constituent that is arranged in the mulberry fruit cell interior discharges from cell, transmits and transfers in the solvent.
The radiation firepower is high more, and extraction system microwave energy absorbed is many more, and it is just fast more that the system temperature raises, thereby accelerates velocity of diffusion; But temperature is high more, to the destruction of mulberry pigment more for serious, so when determining best microwave radiation firepower, will take into full account the stability of pigment.
Microwave extraction method has that selectivity height, extraction time are short, the extraction yield of easy volatile composition is high and do not need special advantages such as separating step.This technology is applicable to the extraction of many natural goodses, unrestricted all can reach efficient, fast, high selectivity, safe and harmless environment requirement.
Embodiment
The invention will be further described below in conjunction with embodiment.
To squeeze the juice behind the mulberry fruit wash clean, the residue water content is 25%～30%, adopt microwave reinforced lixiviate residue, the microwave extracting firepower is 227.5W～650W, extract solid-liquid ratio is that 1: 5～1: 25, extraction agent alcohol concn are 0%～60%, microwave treatment time is 2mins～10mins.Filter the back gained and consider liquid and be settled to certain volume, the PH method of difference is measured light absorption value A, converts anthocyanogen concentration to by the method for calculation of Fuleki.Extracting total anthocyanin content by above-mentioned processing method is 70.1mg/L～98.7mg/L.
Embodiment 1:
To squeeze the juice behind the mulberry fruit wash clean, the residue water content adopts microwave reinforced lixiviate residue 25%～30%, and the microwave extracting firepower is 650W, with solid-liquid ratio extraction, extraction agent alcohol concn 15%, the microwave treatment time 4mins of alcohol solvent with 1: 10.Filter the back gained and consider liquid and be settled to certain volume, the PH method of difference is measured light absorption value A, converts anthocyanogen concentration to by the method for calculation of Fuleki, and extracting solid-liquid ratio, to extract total anthocyanin content be 70.1mg/L.
Embodiment 2:
To squeeze the juice behind the mulberry fruit wash clean, the residue water content adopts microwave reinforced lixiviate residue 25%～30%, and the microwave extracting firepower is 650W, with solid-liquid ratio extraction, extraction agent alcohol concn 15%, the microwave treatment time 6mins of alcohol solvent with 1: 15.Filter the back gained and consider liquid and be settled to certain volume, the PH method of difference is measured light absorption value A, converts anthocyanogen concentration to by the method for calculation of Fuleki, and extracting solid-liquid ratio, to extract total anthocyanin content be 76.3mg/L.
Embodiment 3:
To squeeze the juice behind the mulberry fruit wash clean, the residue water content adopts microwave reinforced lixiviate residue 25%～30%, and the microwave extracting firepower is 650W, with solid-liquid ratio extraction, extraction agent alcohol concn 15%, the microwave treatment time 8mins of alcohol solvent with 1: 20.Filter the back gained and consider liquid and be settled to certain volume, the PH method of difference is measured light absorption value A, converts anthocyanogen concentration to by the method for calculation of Fuleki, and extracting solid-liquid ratio, to extract total anthocyanin content be 89.8mg/L.
Embodiment 4:
To squeeze the juice behind the mulberry fruit wash clean, the residue water content adopts microwave reinforced lixiviate residue 25%～30%, and the microwave extracting firepower is 650W, with solid-liquid ratio extraction, extraction agent alcohol concn 30%, the microwave treatment time 6mins of alcohol solvent with 1: 10.Filter the back gained and consider liquid and be settled to certain volume, the PH method of difference is measured light absorption value A, converts anthocyanogen concentration to by the method for calculation of Fuleki, and extracting solid-liquid ratio, to extract total anthocyanin content be 85.02mg/L.
Embodiment 5:
To squeeze the juice behind the mulberry fruit wash clean, the residue water content adopts microwave reinforced lixiviate residue 25%～30%, and the microwave extracting firepower is 650W, with solid-liquid ratio extraction, extraction agent alcohol concn 30%, the microwave treatment time 4mins of alcohol solvent with 1: 20.Filter the back gained and consider liquid and be settled to certain volume, the PH method of difference is measured light absorption value A, converts anthocyanogen concentration to by the method for calculation of Fuleki, and extracting solid-liquid ratio, to extract total anthocyanin content be 98.7mg/L.
Embodiment 6:
To squeeze the juice behind the mulberry fruit wash clean, the residue water content adopts microwave reinforced lixiviate residue 25%～30%, and the microwave extracting firepower is 650W, with solid-liquid ratio extraction, extraction agent alcohol concn 30%, the microwave treatment time 8mins of alcohol solvent with 1: 15.Filter the back gained and consider liquid and be settled to certain volume, the PH method of difference is measured light absorption value A, converts anthocyanogen concentration to by the method for calculation of Fuleki, and extracting solid-liquid ratio, to extract total anthocyanin content be 96.5mg/L.
Wherein example 5 is located the preferred plan that the present invention select for use.
Claims (2)
1. the extracting process of a mulberry pigment is characterized in that, it comprises the following steps: to squeeze the juice after (1) cleans mulberry fruit, makes the residue water content within 25%～30%; (2) the mulberry fruit residue after squeezing the juice adopts microwave reinforced lixiviate, and the microwave extracting firepower is 227.5W～650W, extract solid-liquid ratio is that 1: 5～1: 25, extraction agent alcohol concn are 0%～60%, microwave treatment time is 2mins～10mins; Mulberry pigment is present in and filters the back gained and consider in the liquid.Total anthocyanogen concentration of extraction can reach 98.7mg/L.
2. the extracting process of a kind of mulberry pigment according to claim 1 is characterized in that, described microwave reinforced lixiviate, and the microwave extracting firepower is 650W, extracts solid-liquid ratio and is extracted as 1: 20, and the extraction agent alcohol concn is 30%, and the treatment time is 4mins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100251599A CN101100557A (en) | 2007-07-13 | 2007-07-13 | Method for extracting mulberry pigment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100251599A CN101100557A (en) | 2007-07-13 | 2007-07-13 | Method for extracting mulberry pigment |
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| CN101100557A true CN101100557A (en) | 2008-01-09 |
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| CNA2007100251599A Pending CN101100557A (en) | 2007-07-13 | 2007-07-13 | Method for extracting mulberry pigment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100439384C (en) * | 2007-04-27 | 2008-12-03 | 浙江工商大学 | Method for separating preparing anthocyan monomer from mulberry |
| CN102212053A (en) * | 2011-04-16 | 2011-10-12 | 湖州柳荫生物科技有限公司 | Method for extracting mulberry cyanidin |
| CN101569438B (en) * | 2008-04-28 | 2011-11-23 | 湖北中烟工业有限责任公司 | Method for preparing mulberry cigarette flavor |
| CN101531825B (en) * | 2009-04-17 | 2012-10-03 | 河北东之星生物科技股份有限公司 | Technology of extracting mulberry red pigment |
| CN102993765A (en) * | 2012-08-23 | 2013-03-27 | 江苏苏南药业实业有限公司 | Method for extracting effective components of mulberry |
| CN103044955A (en) * | 2012-12-10 | 2013-04-17 | 桐乡市丰同裕蓝印布艺有限公司 | Method for preparing mulberry plant dye and application on dyeing |
| CN109825106A (en) * | 2019-03-29 | 2019-05-31 | 江苏省农业科学院宿迁农科所 | The one seed pod mulberry " Extraction of Pigment of no big ten " of seed |
-
2007
- 2007-07-13 CN CNA2007100251599A patent/CN101100557A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100439384C (en) * | 2007-04-27 | 2008-12-03 | 浙江工商大学 | Method for separating preparing anthocyan monomer from mulberry |
| CN101569438B (en) * | 2008-04-28 | 2011-11-23 | 湖北中烟工业有限责任公司 | Method for preparing mulberry cigarette flavor |
| CN101531825B (en) * | 2009-04-17 | 2012-10-03 | 河北东之星生物科技股份有限公司 | Technology of extracting mulberry red pigment |
| CN102212053A (en) * | 2011-04-16 | 2011-10-12 | 湖州柳荫生物科技有限公司 | Method for extracting mulberry cyanidin |
| CN102212053B (en) * | 2011-04-16 | 2013-07-24 | 湖州柳荫生物科技有限公司 | Method for extracting mulberry cyanidin |
| CN102993765A (en) * | 2012-08-23 | 2013-03-27 | 江苏苏南药业实业有限公司 | Method for extracting effective components of mulberry |
| CN103044955A (en) * | 2012-12-10 | 2013-04-17 | 桐乡市丰同裕蓝印布艺有限公司 | Method for preparing mulberry plant dye and application on dyeing |
| CN109825106A (en) * | 2019-03-29 | 2019-05-31 | 江苏省农业科学院宿迁农科所 | The one seed pod mulberry " Extraction of Pigment of no big ten " of seed |
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Open date: 20080109 |