CN102166039A - Method for extracting roselle extractive and application in cigarettes as well as cigarettes - Google Patents
Method for extracting roselle extractive and application in cigarettes as well as cigarettes Download PDFInfo
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- CN102166039A CN102166039A CN2011100881246A CN201110088124A CN102166039A CN 102166039 A CN102166039 A CN 102166039A CN 2011100881246 A CN2011100881246 A CN 2011100881246A CN 201110088124 A CN201110088124 A CN 201110088124A CN 102166039 A CN102166039 A CN 102166039A
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Abstract
The invention discloses a method for extracting a roselle extractive and application thereof in cigarettes as well as cigarettes. The extracting method comprises the following steps of: (1) crushing dry roselle calyxes obtained by pre-treating roselle calyxes to a particle size of 150-420 microns so as to obtain roselle powder; and (2) taking the roselle powder obtained in the step (1), and extracting according to a mass ratio of ethanol to the roselle powder of (0.05-15) :1 for 10-180 min at room temperature to 70 DEG C to obtain the roselle extractive. The application of the roselle extractive in the cigarettes is that the roselle extractive obtained by using the extracting method is diluted by using a non-toxic organic solvent without irritating smells and sprayed on the surfaces of flue-cured tobacco leaves. In the cigarettes, the roselle extractive extracted according to the extracting method is added. By using the invention, the smoking quality of the cigarettes can be largely improved, the mouthfeel of the cigarettes can be improved, and values and significances of actual production can be obtained.
Description
Technical field
The present invention relates to plant extract and application thereof, particularly relate to a kind of extracting method and the application of extract in cigarette and cigarette that comprises this roselle extract of roselle extract.
Background technology
Roselle Hibiscus sabdariffa L.(has another name called Roselle), belong to Malvaceae Hibiscus annual herb plant, it is traditional medicine food dual purpose plant, the roselle of commercial mainly is the calyx at its florescence, outward appearance is purplish red shiny black, water logging bubble is bright in colour, the tool european cranberry sample fragrance that suit, and it is pleasant to regain consciousness.Traditional medicine thinks, Roselle calyx has heat-clearing, quenches one's thirst, cough-relieving and hypotensive activity, in Egypt, is widely used in treatment heart and neural disease; In India, as medicines such as diuresis, anti-scurvy; In Senegal, roselle is proposed as bactericide, anthelmintic and hypotensive.Research and report extensively and profoundly carried out in the health care and the pharmacological action of Roselle calyx both at home and abroad in recent years, for example anti-oxidant, antitumor, hypotensive, protect liver and protect effects such as cardiovascular.
It is reported that the chemical composition of Roselle calyx mainly contains organic acid, carbohydrate, crude protein, crude fat, anthocyanidin, polyphenol and flavonoid class material.Organic acid content mainly contains oxalic acid, tartaric acid, malic acid, butanedioic acid, protocatechuic acid, citric acid, malonic acid, rose of Sharon acid, its mesoxalic acid and butanedioic acid and accounts for more than 75% of total acid content up to 15%～30% in the calyx.Roselle calyx contains 3.3% carbohydrate, and wherein glucose content is the highest, secondly is fructose and sucrose, and the carbohydrate that contains also has lactose, pentose, mucilaginous substance, different types of acidity and neutral polysaccharide.Also contain abundant polyphenol in the Roselle calyx.Anthocyanidin content can mainly be the glucoside of delphinidin (Delphinidin) and Cyanidin (Cyanidin) up to 2%.Roselle calyx also contains some flavonoid class materials etc.
At present, roselle also is in the roughing stage, mainly is the natural colouring matter that extracts under acid condition in the Roselle calyx, is applied to pharmacy, food service industry, and progressively furtheing investigate to the extraction of other chemical compositions and in the application of other field, do not find the application precedent in tobacco.
Summary of the invention
Technical problem to be solved by this invention is: remedy above-mentioned the deficiencies in the prior art, a kind of extracting method of roselle extract and application in cigarette and cigarette are proposed, this method can effectively be extracted the chemical composition in the Roselle calyx, to obtain more excellent extract, the roselle extract is applied to can greatly improve the interior quality of cigarette in the cigarette manufacturing.
The extracting method of a kind of roselle extract of the present invention adopts following technical scheme:
The extracting method of described roselle extract may further comprise the steps:
1) the roselle dried flower calyx that Roselle calyx is obtained through pre-treatment is crushed to the granularity of 150～420um, gets the roselle powder;
2) getting the roselle powder of step 1) gained, is 0.05～15:1 according to the mass ratio of ethanol and described roselle powder, ℃ extracts 10min～180min down in room temperature～70, obtains the roselle extract.
Preferably, the described pre-treatment of step 1) is through the infrared enzyme that goes out, removal of impurities and airing with Roselle calyx; Before the extraction, Roselle calyx through described pre-treatment step, has been guaranteed the stability of roselle extract fragrance, color and luster and state.
Preferably, described step 2) extracting method in is that dual-frequency ultrasonic wave extracts, its extraction conditions is: the circulation rotating speed is 10～40r/s, ultrasonic power is 100W～1000W, the dual-frequency ultrasonic wave frequency is combination in twos arbitrarily in 20KHz, 40KHz, three frequencies of 59KHz, and work/intermittence, extraction time was 10min～60min than being 1～6s/1～6s, the extraction temperature is room temperature～70 ℃, obtains the roselle extract; With described roselle extract through the aperture be 54～76 μ m screen filtration, adopt the reduced vacuum concentrator to be concentrated into 0.5～5.0 times of described roselle powder weight, obtain the roselle extract.When using dual-frequency ultrasonic wave to extract, for guaranteeing extraction efficiency, generally need relatively large ethanol, have the more stability of good state and Geng Gao in order to make the roselle extract, need remove the part ethanol in the roselle extract, the roselle extract that obtains concentrating.
Preferably, described step 2) extracting method in is a carbon dioxide supercritical extraction, and its extraction conditions is: entrainer is an ethanol, and its consumption is 5%～30% of a described roselle powder; Extraction kettle pressure is 20Mpa～35Mpa, and extraction temperature is 45 ℃～65 ℃, and separating pressure is 5Mpa～10Mpa, and separation temperature is 50 ℃～65 ℃, and extraction time is 60min～180min, separates to obtain the roselle extract; Because during carbon dioxide supercritical extraction, consumption of ethanol is less, extracts the end separation and promptly obtain the roselle extract, and need not to carry out concentration.
More than two kinds of preferred extracting methods all can extract at a lower temperature, it does not destroy the original chemical composition of roselle, keeping more active ingredient, and can shorten extraction time, cuts down the consumption of energy.
Preferably, step 2) described concentration of alcohol is 50%～95%, and the roselle extract is the aubergine working fluid, has colored characteristic perfume, also has sour-sweet fragrance simultaneously, can be dissolved in percent by volume and be higher than 50% ethanolic solution.
Technical scheme below the application of a kind of roselle extract of the present invention in cigarette adopted:
The application of described roselle extract in cigarette is the tobacco leaf surface that the roselle extract that the said extracted method obtains is diluted and is sprayed at flue-cured tobacco with the nontoxic organic solvent that has no irritating odor.
Preferably, the extension rate during described the dilution is 5～15 times, obtains roselle extract dilution.
Preferably, during described sprinkling, the sprinkling amount of described roselle extract dilution accounts for 0.1%～1% of its flue-cured tobacco weight of spraying.
Preferably, the described nontoxic organic solvent that has no irritating odor is at least a in ethanol, propane diols, sorbierite, xylitol or the glycerine.
A kind of cigarette of the present invention adopts following technical scheme:
Described cigarette wherein is added with the roselle extract that extracts according to above-mentioned extracting method.
The beneficial effect that the present invention is compared with the prior art is: extracting method of the present invention, can effectively extract fragrance component and the active principle of roselle, and the present invention is by after creatively being applied to cigarette with the roselle extract, enlarged the range of application of roselle extract, under the condition that does not change cigarette processing technology originally, can greatly improve the sucking quality of cigarette, cover the assorted gas in the cigarette, the excitant of reduction flue gas, improve mouthfeel, have the value and significance of actual production.
The specific embodiment
Below in conjunction with preferred embodiment the present invention is explained in detail.
A kind of extracting method of roselle extract may further comprise the steps:
1) the roselle dried flower calyx that Roselle calyx is obtained through pre-treatment is crushed to the granularity of 150～420um, gets the roselle powder;
2) getting the roselle powder of step 1) gained, is 0.05～15:1 according to the mass ratio of ethanol and roselle powder, ℃ extracts 10min～180min down in room temperature～70, obtains the roselle extract.
The application of a kind of roselle extract in cigarette is the tobacco leaf surface that the roselle extract that the said extracted method obtains is diluted and is sprayed at flue-cured tobacco with the nontoxic organic solvent that has no irritating odor.
A kind of cigarette wherein is added with the roselle extract that extracts according to above-mentioned extracting method.
Embodiment 1
The roselle dried flower calyx that after pre-treatments such as the infrared enzyme that goes out, removal of impurities, airing, obtains, be crushed to 250um, obtain the roselle powder, according to ethanol: the ratio of roselle powder (m/m)=10:1, concentration of alcohol is 75%, adopt dual-frequency ultrasonic wave assisted extraction 30min, ultrasonic power is 600W, ultrasonic frequency is the 20KHz/40KHz combination, and the circulation rotating speed is 15r/s, and work/intermittence is than being 2s/1s, extracting temperature is 50 ℃, the extract via hole diameter is the screen filtration of 63 μ m, and reduced vacuum is concentrated into 3 times of the roselle dry weight, obtains roselle extract I.
Embodiment 2
The roselle dried flower calyx that after pre-treatments such as the infrared enzyme that goes out, removal of impurities, airing, obtains, be crushed to 420um, obtain the roselle powder, with 95% ethanol as entrainer, its consumption is 20% of a roselle powder weight, pass through carbon dioxide supercritical extraction: extracting pressure is 30Mpa, and extraction temperature is at 50 ℃, and separating pressure is 6Mpa, 60 ℃ of separation temperatures, behind the extraction 120min, isolate tincture, be roselle extract II.
Application test in cigarette:
This extracting method is not to extract at a certain class chemical composition in the Roselle calyx specially, contain the various chemical compositions in the Roselle calyx in the roselle extract that process extracting method of the present invention obtains, it experimental results show that the sucking quality that can greatly improve cigarette when applying it in the cigarette.
With the foregoing description 1, roselle extract I in 2, II is (certain with 10 times of propane diols dilutions earlier respectively, in the practice, because the roselle extract that is adopted has difference, for example concentration just has bigger difference between roselle extract of Nong Suoing and the unconcentrated roselle extract, can select extension rate according to actual conditions, certain used diluent can also be an ethanol, sorbierite, xylitol or glycerine), be sprayed at the tobacco leaf surface of flue-cured tobacco then, applied amount is respectively 0.1% of flue-cured tobacco weight, 0.2%, 0.5%, 1.0%, simultaneously with the flue-cured tobacco that do not spray the roselle extract in the same old way, subsequent treatment can be carried out by cigarette process routinely, promptly behind the dilution that sprays the roselle extract, stored 4 hours, and passed through chopping again, the baking silk, perfuming, the storage silk, cigarette and packaging process are made cigarette finished product.
The cigarette that makes is carried out sensory quality assessment, and the result is as shown in the table:
From above table as can be known, with respect to the cigarette of blank sample, the cigarette foreign gas of the roselle extract that increases on tobacco leaf alleviates, and excitant reduces, the sweet property raising of flue gas, and mouthfeel improves.And in the practice, for the roselle extract of concrete how many mass ratios of increase, then need to obtain according to the setting routine tests of each parameter in the extracting method.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, make some being equal to substitute or obvious modification, and performance or purposes are identical, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the extracting method of a roselle extract is characterized in that: may further comprise the steps:
1) the roselle dried flower calyx that Roselle calyx is obtained through pre-treatment is crushed to the granularity of 150～420um, gets the roselle powder;
2) getting the roselle powder of step 1) gained, is 0.05～15:1 according to the mass ratio of ethanol and described roselle powder, ℃ extracts 10min～180min down in room temperature～70, obtains the roselle extract.
2. the extracting method of roselle extract according to claim 1 is characterized in that: the described pre-treatment of step 1) is through the infrared enzyme that goes out, removal of impurities and airing with Roselle calyx.
3. the extracting method of roselle extract according to claim 1, it is characterized in that: the extracting method described step 2) is that dual-frequency ultrasonic wave extracts, its extraction conditions is: the circulation rotating speed is 10～40r/s, ultrasonic power is 100W～1000W, the dual-frequency ultrasonic wave frequency is combination in twos arbitrarily in 20KHz, 40KHz, three frequencies of 59KHz, work/intermittence is than being 1～6s/1～6s, extraction time is 10min～60min, the extraction temperature is room temperature～70 ℃, obtains the roselle extract; With described roselle extract through the aperture be 54～76 μ m screen filtration, adopt the reduced vacuum concentrator to be concentrated into 0.5～5.0 times of described roselle powder weight, obtain the roselle extract.
4. the extracting method of roselle extract according to claim 1, it is characterized in that: the extracting method described step 2) is a carbon dioxide supercritical extraction, its extraction conditions is: entrainer is an ethanol, and its consumption is 5%～30% of a described roselle powder; Extraction kettle pressure is 20Mpa～35Mpa, and extraction temperature is 45 ℃～65 ℃, and separating pressure is 5Mpa～10Mpa, and separation temperature is 50 ℃～65 ℃, and extraction time is 60min～180min, separates to obtain the roselle extract.
5. according to the extracting method of any described roselle extract among the claim 1-4, it is characterized in that: step 2) described concentration of alcohol is 50%～95%.
6. the application of roselle extract in cigarette that extracting method according to claim 1 is extracted is characterized in that: the tobacco leaf surface that described roselle extract is diluted and is sprayed at flue-cured tobacco with the nontoxic organic solvent that has no irritating odor.
7. the application of roselle extract according to claim 6 in cigarette is characterized in that: the extension rate during described the dilution is 5～15 times, obtains roselle extract dilution.
8. the application of roselle extract according to claim 7 in cigarette is characterized in that: during described sprinkling, the sprinkling amount of described roselle extract dilution accounts for 0.1%～1% of its flue-cured tobacco weight of spraying.
9. according to the application of any described roselle extract of claim 6-8 in cigarette, it is characterized in that: the described nontoxic organic solvent that has no irritating odor is at least a in ethanol, propane diols, sorbierite, xylitol or the glycerine.
10. a cigarette is characterized in that: be added with the roselle extract that extracting method according to claim 1 is extracted in the described cigarette.
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| CN 201110088124 CN102166039B (en) | 2011-04-08 | 2011-04-08 | Method for extracting roselle extractive and application in cigarettes as well as cigarettes |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499433A (en) * | 2011-10-19 | 2012-06-20 | 江苏中烟工业有限责任公司 | Application of suberenol extract in cigarette flavoring additive |
| CN102813686A (en) * | 2012-08-15 | 2012-12-12 | 江苏大学 | Method for extracting active ingredients from hibiscus sabdariffa calyx |
| CN103170294A (en) * | 2013-03-27 | 2013-06-26 | 郑刚 | Method for extracting rose flower extractives by utilizing continuous countercurrent pipe type ultrasonic equipment |
| CN103549653A (en) * | 2013-11-20 | 2014-02-05 | 中国烟草总公司郑州烟草研究院 | Application of hosta plantaginea flower ethanol extract to cigarettes |
| CN103992874A (en) * | 2014-05-20 | 2014-08-20 | 河南中烟工业有限责任公司 | Abelmoschus manihot aqueous extract and application thereof in cigarette |
| CN103989247A (en) * | 2014-05-20 | 2014-08-20 | 河南中烟工业有限责任公司 | Abelmoschus manihot alcohol extract and application of abelmoschus manihot alcohol extract in cigarettes |
| CN104770726A (en) * | 2015-04-28 | 2015-07-15 | 芜湖市中民城乡社区养老服务中心 | Method for producing plant calyx health keeping nutrient |
| CN104905397A (en) * | 2015-05-26 | 2015-09-16 | 湖北中烟工业有限责任公司 | Manufacturing method of perfume for roselle cigarette and application of perfume in reconstituted tobacco |
| CN107099803A (en) * | 2017-06-29 | 2017-08-29 | 西南石油大学 | A kind of preparation method and purposes of the carbon steel pickling corrosion inhibitor containing Flos Rosae Rugosae extract |
| WO2021223319A1 (en) * | 2020-05-08 | 2021-11-11 | 河北瑞龙生物科技有限公司 | Flavor additive for cigarettes and preparation method therefor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6127553A (en) * | 1998-08-03 | 2000-10-03 | Department Of Science And Technology, Goverment Of India | Convenient method for large-scale isolation of hibiscus acid |
| CN1292286A (en) * | 1999-09-23 | 2001-04-25 | 上海第二医科大学附属瑞金医院 | Medicine preparation containing cotton rose leaf extract |
| KR100807809B1 (en) * | 2007-04-05 | 2008-02-27 | 우석대학교 산학협력단 | Antimicrobial composition which comprising the Hibiscus ethanol extract |
-
2011
- 2011-04-08 CN CN 201110088124 patent/CN102166039B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6127553A (en) * | 1998-08-03 | 2000-10-03 | Department Of Science And Technology, Goverment Of India | Convenient method for large-scale isolation of hibiscus acid |
| CN1292286A (en) * | 1999-09-23 | 2001-04-25 | 上海第二医科大学附属瑞金医院 | Medicine preparation containing cotton rose leaf extract |
| KR100807809B1 (en) * | 2007-04-05 | 2008-02-27 | 우석대학교 산학협력단 | Antimicrobial composition which comprising the Hibiscus ethanol extract |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499433A (en) * | 2011-10-19 | 2012-06-20 | 江苏中烟工业有限责任公司 | Application of suberenol extract in cigarette flavoring additive |
| CN102499433B (en) * | 2011-10-19 | 2014-06-04 | 江苏中烟工业有限责任公司 | Application of suberenol extract in cigarette flavoring additive |
| CN102813686A (en) * | 2012-08-15 | 2012-12-12 | 江苏大学 | Method for extracting active ingredients from hibiscus sabdariffa calyx |
| CN103170294A (en) * | 2013-03-27 | 2013-06-26 | 郑刚 | Method for extracting rose flower extractives by utilizing continuous countercurrent pipe type ultrasonic equipment |
| CN103549653A (en) * | 2013-11-20 | 2014-02-05 | 中国烟草总公司郑州烟草研究院 | Application of hosta plantaginea flower ethanol extract to cigarettes |
| CN103989247A (en) * | 2014-05-20 | 2014-08-20 | 河南中烟工业有限责任公司 | Abelmoschus manihot alcohol extract and application of abelmoschus manihot alcohol extract in cigarettes |
| CN103992874A (en) * | 2014-05-20 | 2014-08-20 | 河南中烟工业有限责任公司 | Abelmoschus manihot aqueous extract and application thereof in cigarette |
| CN103989247B (en) * | 2014-05-20 | 2016-04-27 | 河南中烟工业有限责任公司 | Sunset abelmoschus flower alcohol extract and the application in cigarette thereof |
| CN104770726A (en) * | 2015-04-28 | 2015-07-15 | 芜湖市中民城乡社区养老服务中心 | Method for producing plant calyx health keeping nutrient |
| CN104905397A (en) * | 2015-05-26 | 2015-09-16 | 湖北中烟工业有限责任公司 | Manufacturing method of perfume for roselle cigarette and application of perfume in reconstituted tobacco |
| CN104905397B (en) * | 2015-05-26 | 2016-08-31 | 湖北中烟工业有限责任公司 | The preparation method of a kind of roselle tobacco aromatics and the application in recombination tobacco leaf thereof |
| CN107099803A (en) * | 2017-06-29 | 2017-08-29 | 西南石油大学 | A kind of preparation method and purposes of the carbon steel pickling corrosion inhibitor containing Flos Rosae Rugosae extract |
| WO2021223319A1 (en) * | 2020-05-08 | 2021-11-11 | 河北瑞龙生物科技有限公司 | Flavor additive for cigarettes and preparation method therefor |
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| CN102166039B (en) | 2013-06-12 |
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Application publication date: 20110831 Assignee: Shenzhen Haoyu Biological Technology Co. Ltd. Assignor: Bodun Perfume Co., Ltd., Shenzhen Contract record no.: 2017440020056 Denomination of invention: Method for extracting roselle extractive and application in cigarettes as well as cigarettes Granted publication date: 20130612 License type: Common License Record date: 20170726 |
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Application publication date: 20110831 Assignee: Shenzhen Haoyu Biological Technology Co. Ltd. Assignor: Bodun Perfume Co., Ltd., Shenzhen Contract record no.: 2017440020102 Denomination of invention: Method for extracting roselle extractive and application in cigarettes as well as cigarettes Granted publication date: 20130612 License type: Common License Record date: 20171219 |
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