CN113180277A - Application of saffron natural pigment in novel tobacco and preparation method thereof - Google Patents
Application of saffron natural pigment in novel tobacco and preparation method thereof Download PDFInfo
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- CN113180277A CN113180277A CN202110611823.8A CN202110611823A CN113180277A CN 113180277 A CN113180277 A CN 113180277A CN 202110611823 A CN202110611823 A CN 202110611823A CN 113180277 A CN113180277 A CN 113180277A
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- pigment
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- saffron
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
- A24B15/26—Use of organic solvents for extraction
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- General Chemical & Material Sciences (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The invention relates to the technical field of natural plant component extraction, in particular to an extraction method of safflor pigment and application thereof in novel tobacco, wherein after natural safflor pigment is extracted, food-grade ethanol is used as a solvent to dissolve the natural safflor pigment into a mass concentration of 0.5-5%, and the natural safflor pigment is added according to 1.0-2.0mg/g in the process of producing reconstituted tobacco sheet bases by a paper-making method. The method adds natural saffron pigment into the reconstituted tobacco, improves the color stability of the reconstituted tobacco, and simultaneously has an improvement effect on the absorbability of the reconstituted tobacco; the invention has simple process and convenient operation, and can enhance the penetrating power of the solvent by utilizing the multi-stage effect generated by ultrasonic waves, such as strong disturbance effect, cavitation effect, crushing, stirring action and the like, thereby promoting the beneficial components to enter the solvent, greatly shortening the extraction time, effectively improving the extraction rate of the saffron pigment, and achieving the extraction efficiency of 0.5-2.5%.
Description
Technical Field
The invention relates to the technical field of natural plant component extraction, in particular to a method for extracting saffron natural pigment and application thereof in tobacco.
Background
Saffron (Crocus sativus L.) also known as Crocus sativus, Saffron (the english name safron), is a plant of the genus Crocus (Crocus) of the family iridaceae (Taccaceae), and is a perennial corm herb. The flower column is used as a medicine, is listed as a rare Chinese medicinal material in China, is called plant gold, and has definite pharmacological effects on the aspects of treating cardiovascular and cerebrovascular diseases, inhibiting viruses, enhancing immunity, treating cancers and the like. The introduction of saffron into traditional Chinese medicine can go back to the middle stage of Tang dynasty, and the data suggests that the traditional Chinese medicine could be introduced through the silk road at first, the name of saffron is originally recorded in Ben Cao gang mu Shi Yi (supplement and essence of materia Medica), and the name of crocus is originally recorded in Ben Cao gang mu (supplement and supplement to materia Medica), and the name of crocus is known as crocus in Ben Cao gang mu).
Most of the active ingredients of saffron are concentrated on stigma, which includes water-soluble carotenoids, volatile oils, carotene, etc. Has effects in promoting blood circulation, dredging collaterals, nourishing blood, dispelling blood stasis, relieving swelling and pain, and tonifying body. It can be used for treating gastropathy, regulating menstruation, pulmonary disease, hepatopathy, and learning and memory injury caused by alcohol. Besides the medicinal use, crocin contained in stigma croci is a natural edible spice, food flavoring and cosmetic which are widely used and most expensive all over the world. The saffron pigment mainly contains crocin (or crocin), crocetin, crocin aldehyde and carotenoid. Crocin (crocin) has good water solubility and strong coloring power, and can be used for dyeing; crocin has special bitter and spicy taste, can be decomposed to generate saffron aldehyde (safranal) which has unique flavor, and the two substances endow the saffron with unique smell and flavor.
The saffron pigment as cigarette additive can not only endow cigarette with special flavor, but also reduce irritation and harm of cigarette. The traditional pigment extraction methods such as a crushing method, a squeezing method, an organic solvent extraction method, a reflux method and the like have the defects of long extraction time, high labor intensity, high energy consumption of raw material pretreatment, easy damage of thermosensitive components, poor purity of produced pigment products, peculiar smell, solvent residue and the like, and directly influence the development and application of natural pigments.
Disclosure of Invention
The invention aims to provide an application and a preparation method of saffron natural pigment in tobacco.
In order to achieve the purpose, the invention adopts the technical scheme that: the application of the saffron natural pigment in the tobacco is characterized in that after the natural saffron pigment is extracted, edible 95% (v/v) ethanol is used as a solvent to dissolve the natural saffron pigment into the mass concentration of 0.5-5%, such as 0.5%, 1.0%, 1.5%, 2.0%, 2.5%, 3.0%, 3.5%, 4.0%, 4.5% and 5.0%, and during the production of reconstituted tobacco sheets by a papermaking method, the natural saffron pigment is added according to the ratio of 1.0-2.0mg/g, such as 1.0mg/g, 1.1mg/g, 1.2mg/g, 1.3mg/g, 1.4mg/g, 1.5mg/g, 1.6mg/g, 1.7mg/g, 1.8mg/g, 1.9mg/g and 2.0 mg/g.
As a preferred embodiment of the present invention, the amount added is 1.5 mg/g.
The second purpose of the invention is to provide a preparation method of natural saffron pigment applied to tobacco, which comprises the following steps:
(1) material pretreatment: freeze drying stigma croci Sativi, and pulverizing into 40-60 mesh powder;
(2) ultrasonic extraction: mixing stigma croci Sativi powder with ethanol at ratio of 10-15:1, placing in ultrasonic equipment, extracting at 30-60 deg.C and power of 250-400W for 30-50min to obtain crude extractive solution of stigma croci Sativi;
(3) and (3) filtering: primarily filtering the crude extract, and performing precise filtration on the obtained filtrate to obtain a precise filtrate;
(4) concentration: concentrating the filtrate to obtain crocin concentrate with specific gravity of 1.3-1.4;
(5) and (3) drying: and (4) freeze-drying the concentrated crocin concentrated solution to obtain the crocin natural pigment.
Further, in the step (1), the temperature is not more than 40 ℃ during crushing.
Further, in the step (2), the concentration of the ethanol is 40-80% (V/V).
Further, in the step (3), the primary filtration is carried out by using dry filter paper, and the aperture of the filter paper is 200 meshes.
Further, in the step (3), the fine filtration is carried out by adopting a filter membrane with the aperture of 400 meshes.
Further, in the step (4), vacuum concentration is adopted for concentration, wherein the concentration temperature is 40-50 ℃ and the vacuum pressure is 750 Mpa.
Further, in the step (5), vacuum freeze drying is adopted for drying, the temperature is-10 to-20 ℃, and the pressure is 1.3-13 pa.
The extracted pigment components are total yellow pigment, the content of the total yellow pigment in the safflower yellow product is more than 99 percent, and the content of hydroxysafflor yellow A in the safflower yellow product is up to more than 20 percent.
The beneficial technical effects of the invention are as follows: the method adds natural saffron pigment into the reconstituted tobacco, improves the color stability of the reconstituted tobacco, and simultaneously has an improvement effect on the absorbability of the reconstituted tobacco. The invention has simple process and convenient operation, and can enhance the penetrating power of the solvent by utilizing the multi-stage effect generated by ultrasonic waves, such as strong disturbance effect, cavitation effect, crushing, stirring action and the like, thereby promoting the beneficial components to enter the solvent, greatly shortening the extraction time, effectively improving the extraction rate of the saffron pigment, and achieving the extraction efficiency of 0.5-2.5%. The extraction method can effectively maintain the effective active ingredients contained in the saffron pigment, and has the advantages of high efficiency, high purity, safety, environmental protection and the like.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A preparation method of natural saffron pigment for color matching of novel tobacco comprises the following steps:
(1) material pretreatment: freeze drying stigma croci Sativi, pulverizing into 40 mesh powder, and drying at 38 deg.C;
(2) ultrasonic extraction: mixing stigma croci Sativi powder with 60% (v/v) ethanol at ratio of 10:1, placing in ultrasonic equipment, extracting at 45 deg.C and power of 350W for 40min to obtain crude extractive solution;
(3) and (3) filtering: primarily filtering the crude extract by using dry filter paper with the aperture of 200 meshes, and performing precise filtration on the obtained filtrate by using a filter membrane with the aperture of 400 meshes to obtain precise filtrate;
(4) concentration: vacuum concentrating the filtrate at 45 deg.C under 750Mpa to obtain crocin concentrated solution with specific gravity of 1.35;
(5) and (3) drying: vacuum freeze drying the concentrated crocin solution at-15 deg.C under 8.5pa to obtain crocin.
According to the method of the embodiment, the extraction rate of the natural pigment reaches 2.3%, the natural saffron pigment extracted by the method is dissolved into the mass concentration of 0.5% by using edible 90% (v/v) ethanol as a solvent, and the natural saffron pigment is added according to 2.0mg/g during the coating process in the process of producing the reconstituted tobacco leaf base by a paper-making method, so that the reconstituted tobacco leaf base containing the natural saffron pigment can be prepared.
Example 2
A preparation method of natural saffron pigment for color matching of novel tobacco comprises the following steps:
(1) material pretreatment: freeze drying stigma croci Sativi, pulverizing into 40 mesh powder, and drying at 35 deg.C;
(2) ultrasonic extraction: mixing stigma croci Sativi powder with 40% (v/v) ethanol at a ratio of 15:1, placing in ultrasonic equipment, extracting at 30 deg.C and 400W for 30min to obtain crude extractive solution;
(3) and (3) filtering: primarily filtering the crude extract by using dry filter paper with the aperture of 200 meshes, and performing precise filtration on the obtained filtrate by using a filter membrane with the aperture of 400 meshes to obtain precise filtrate;
(4) concentration: vacuum concentrating the filtrate at 40 deg.C under 750Mpa to obtain crocin concentrated solution with specific gravity of 1.3;
(5) and (3) drying: vacuum freeze drying the concentrated crocin solution at-20 deg.C under 13pa to obtain crocin.
According to the method of the embodiment, the extraction rate of the natural pigment reaches 0.8%, the natural saffron pigment extracted by the method is dissolved into the mass concentration of 2.5% by using edible 90% (v/v) ethanol as a solvent, and the natural saffron pigment is added according to 1.5mg/g during the coating process in the process of producing the reconstituted tobacco leaf base by a paper-making method, so that the reconstituted tobacco leaf base containing the natural saffron pigment can be prepared.
Example 3
A preparation method of natural saffron pigment for color matching of novel tobacco comprises the following steps:
(1) material pretreatment: freeze drying stigma croci Sativi, pulverizing into 60 mesh powder, and drying at a temperature not higher than 40 deg.C;
(2) ultrasonic extraction: mixing stigma croci Sativi powder with 80% (v/v) ethanol at a ratio of 12.5:1, placing in ultrasonic equipment, extracting at 60 deg.C and 400W for 50min to obtain crude extractive solution;
(3) and (3) filtering: primarily filtering the crude extract by using dry filter paper with the aperture of 200 meshes, and performing precise filtration on the obtained filtrate by using a filter membrane with the aperture of 400 meshes to obtain precise filtrate;
(4) concentration: vacuum concentrating the filtrate at 50 deg.C under 750Mpa to obtain crocin concentrated solution with specific gravity of 1.4;
(5) and (3) drying: vacuum freeze drying the concentrated crocin solution at-10 deg.C under 1.3pa to obtain crocin.
According to the method of the embodiment, the extraction rate of the natural pigment reaches 2.5%, the natural saffron pigment extracted by the method is dissolved into 5% by mass concentration by using edible 90% (v/v) ethanol as a solvent, and the natural saffron pigment is added according to 1.0mg/g during the coating process in the process of producing the reconstituted tobacco sheet base by a paper-making method, so that the reconstituted tobacco sheet base containing the natural saffron pigment can be prepared.
Application examples
1. Evaluation of color matching effect of safflor crocin on reconstituted tobacco leaf base
The base toning effect of the reconstituted tobacco leaves obtained in the three groups of examples is analyzed without adding the saffron natural pigment, and the results are shown in table 1.
TABLE 1 toning results
| Toning result | |
| Example 1 | Has improved color and luster, and has moderate orange color |
| Example 2 | Moist color and luster, orange color |
| Example 3 | The color is oily and is lemon yellow or orange with strength |
| Blank control | The base color of the tablet is not the color contained in any natural pigment |
As can be seen from the table above, the natural saffron pigment has the function of toning the reconstituted tobacco base.
2. Evaluation of influence of safflor pigment on stability of reconstituted tobacco sheet base pigment
And selecting the reconstituted tobacco sheet bases prepared by the three methods in the embodiment, selecting three groups of reconstituted tobacco sheet bases prepared by a conventional method (without adding safflor pigment), respectively placing the reconstituted tobacco sheet bases in dark and dark, natural illumination and strong light illumination incubators, processing for 30d, and detecting the color change of the reconstituted tobacco.
Under different treatment conditions, the color difference change of the reconstituted tobacco is obviously increased along with the increase of the illumination intensity and the prolonging of the treatment time, but the color difference of the reconstituted tobacco added with the natural saffron pigment is smaller than that of the reconstituted tobacco not added with the control group. Under the dark and dark conditions, the color difference of the reconstituted tobacco added with and not added with the natural saffron pigment is 3.46 and 8.72 respectively after 30 days, the color difference of the reconstituted tobacco is not large, and the pigment is slowly degraded; under the condition of natural light treatment, the color difference between the reconstituted tobacco added with the saffron pigment and the reconstituted tobacco not added with the saffron pigment is respectively 9.85 and 15.35 after 30 days; under the condition of strong light treatment, the color difference between the reconstituted tobacco added with the natural saffron pigment after 30 days and the reconstituted tobacco not added with the natural saffron pigment is respectively 18.85 and 20.36, and the color degradation is obvious. Statistical analysis shows that under different treatment conditions of darkness, light, natural illumination, strong light and the like, the influence of the added and not-added natural saffron pigment on the pigment stability of the reconstituted tobacco leaves shows very obvious difference.
3. Influence of safflor pigment on smoking quality of reconstituted tobacco products
The reconstituted tobacco base sheets produced in examples 1 to 3 were selected, added to conventional cut tobacco for cigarettes in a proportion of 5%, while a blank control was set, and then prepared into conventional cigarettes for smoking quality evaluation, with the results shown in table 2 below.
TABLE 2 sensory evaluation table of saffron natural pigment on reconstituted tobacco base
| Evaluation of aspiration results | |
| Example 1 | Reduced miscellaneous gas, reduced irritation, and good compatibility of smoke |
| Example 2 | The comfort is good, the smoke is full and soft, and the total quality is considered to be obviously improved compared with a reference sample |
| Example 3 | Good comfort, full and soft smoke and obvious reduction of miscellaneous gas |
| Control group | Obvious miscellaneous qi, obvious irritation of smoke and obvious irritation of throat |
And (4) conclusion: according to the result of the smoke panel test, the application of the saffron natural spice has the functions of regulating the coordination of the smoke and reducing the amount of smoke impurities.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Finally, it should be noted that: although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
Claims (10)
1. The application of the saffron natural pigment in the novel tobacco is characterized in that after the natural saffron pigment is lifted, the natural saffron pigment is dissolved into a mass concentration of 0.5-5% by using food-grade ethanol as a solvent, and the natural saffron pigment is added according to 1.0-2.0mg/g in the process of producing the reconstituted tobacco sheet base by a paper-making method.
2. Use according to claim 1, wherein the amount added is 1.5 mg/.
3. A method for extracting the natural saffron pigment of claim 1 or 2, comprising the steps of:
(1) material pretreatment: freeze drying stigma croci Sativi, and pulverizing into 40-60 mesh powder;
(2) ultrasonic extraction: mixing stigma croci Sativi powder with ethanol at ratio of 10-15:1, placing in ultrasonic equipment, extracting at 30-60 deg.C and power of 250-400W for 30-50min to obtain crude extractive solution of stigma croci Sativi;
(3) and (3) filtering: primarily filtering the crude extract, and performing precise filtration on the obtained filtrate to obtain a precise filtrate;
(4) concentration: concentrating the filtrate to obtain crocin concentrate with specific gravity of 1.3-1.4;
(5) and (3) drying: and (4) freeze-drying the concentrated crocin concentrated solution to obtain the crocin natural pigment.
4. The method according to claim 3, wherein the temperature during the pulverization in the step (1) is not more than 40 ℃.
5. The method according to claim 3, wherein the ethanol concentration in the step (2) is 40 to 80% (V/V).
6. The method according to claim 3, wherein in the step (3), the preliminary filtration is carried out by filtering through a dry filter paper having a pore size of 200 mesh.
7. The preparation method according to claim 3, wherein in the step (3), the fine filtration is performed by using a filtration membrane with a pore size of 400 meshes.
8. The method according to claim 3, wherein in the step (4), the concentration is carried out under reduced pressure at a concentration temperature of 40-50 ℃ and a vacuum pressure of 750 MPa.
9. The process according to claim 3, wherein in the step (5), the drying is carried out by vacuum freeze-drying at a temperature of-10 to-20 ℃ and a pressure of 1.3 to 13 pa.
10. Saffron natural pigment prepared according to the preparation process of any one of claims 3 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110611823.8A CN113180277A (en) | 2021-06-02 | 2021-06-02 | Application of saffron natural pigment in novel tobacco and preparation method thereof |
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| CN202110611823.8A CN113180277A (en) | 2021-06-02 | 2021-06-02 | Application of saffron natural pigment in novel tobacco and preparation method thereof |
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Cited By (1)
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| CN114736736A (en) * | 2022-04-15 | 2022-07-12 | 甘肃烟草工业有限责任公司 | Saffron spice and preparation method and application thereof |
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| CN114736736A (en) * | 2022-04-15 | 2022-07-12 | 甘肃烟草工业有限责任公司 | Saffron spice and preparation method and application thereof |
| CN114736736B (en) * | 2022-04-15 | 2023-08-04 | 甘肃烟草工业有限责任公司 | Saffron perfume and preparation method and application thereof |
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