CN104905398A - Alfalfa leaf extract preparation method and use as tobacco product additive - Google Patents
Alfalfa leaf extract preparation method and use as tobacco product additive Download PDFInfo
- Publication number
- CN104905398A CN104905398A CN201510288783.2A CN201510288783A CN104905398A CN 104905398 A CN104905398 A CN 104905398A CN 201510288783 A CN201510288783 A CN 201510288783A CN 104905398 A CN104905398 A CN 104905398A
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- CN
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- Prior art keywords
- extract
- alfalfa leaf
- alfalfa
- pipe tobacco
- leaf extract
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000284 extract Substances 0.000 title claims abstract description 64
- 235000017587 Medicago sativa ssp. sativa Nutrition 0.000 title claims abstract description 52
- 235000019505 tobacco product Nutrition 0.000 title claims abstract description 17
- 239000000654 additive Substances 0.000 title claims abstract description 10
- 230000000996 additive effect Effects 0.000 title claims abstract description 10
- 238000002360 preparation method Methods 0.000 title abstract 2
- 240000004658 Medicago sativa Species 0.000 title description 4
- 241000219823 Medicago Species 0.000 claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000000926 separation method Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000006227 byproduct Substances 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 28
- 241000208125 Nicotiana Species 0.000 claims description 26
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 26
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 18
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 4
- 150000007524 organic acids Chemical class 0.000 claims description 4
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 3
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 239000001630 malic acid Substances 0.000 claims description 3
- 235000011090 malic acid Nutrition 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- WLJVXDMOQOGPHL-PPJXEINESA-N 2-phenylacetic acid Chemical compound O[14C](=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-PPJXEINESA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000796 flavoring agent Substances 0.000 abstract description 5
- 239000000779 smoke Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract 6
- 235000019634 flavors Nutrition 0.000 abstract 4
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000003205 fragrance Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 235000013599 spices Nutrition 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical compound OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000008474 Pimenta dioica Species 0.000 description 1
- 235000006990 Pimenta dioica Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011285 coke tar Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 229930003944 flavone Natural products 0.000 description 1
- 235000011949 flavones Nutrition 0.000 description 1
- 150000002213 flavones Chemical class 0.000 description 1
- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930013032 isoflavonoid Natural products 0.000 description 1
- -1 isoflavonoid compounds Chemical class 0.000 description 1
- 235000012891 isoflavonoids Nutrition 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229960003424 phenylacetic acid Drugs 0.000 description 1
- 239000003279 phenylacetic acid Substances 0.000 description 1
- 239000000419 plant extract Substances 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- A24B3/12—Steaming, curing, or flavouring tobacco
Abstract
The invention discloses an alfalfa leaf extract preparation method and a use as a tobacco product additive. The method comprises the steps of using alfalfa leaves as extraction raw materials, and uniformly mixing alfalfa leaves with extracting agent according to volume ratio of 1:(10-30) to obtain mixture; extracting the mixture for 1-5h at 50-90DEG C and performing separation to obtain primary material liquid; adding water into the material liquid, separating sediment, performing separation to obtain secondary material liquid and concentrating the secondary material liquid to extract; redissolving the extract by using 5-10 multiples of extracting solution, filtering and separating byproducts and tertiary material liquid, and concentrating the tertiary material liquid to extract to obtain alfalfa leaf extract. By adding the alfalfa leaf extract prepared by adopting the method disclosed by the invention into tobacco products, an effect of effectively increasing the flavor of the tobacco products is achieved, the flavor is rich and the solidity of smoke is increased; the extract can also endow the tobacco products with unique flavor tones and notes, and can be used as a characteristic flavor.
Description
Technical field
The present invention relates to the application of a kind of natural plant extracts in tobacco product, refer to a kind of alfalfa leaf method for preparing extractive and the purposes as additive of tobacco product thereof particularly.
Background technology
" Chinese-style cigarette " core competitiveness forms selling point style, embodies personalized and differentiation, and what adapt to Chinese consumers in general sucks custom and consumer need.Chinese style essence spice for cigarette is Chinese-style cigarette product " soul ", is the secret place that " Chinese-style cigarette " style characteristic is formed.Scientifically flavoring and casing in cigarette, the just important means of the personalized style of outstanding cigarette product.Meanwhile, in order to improve the security of smoking, the important component part that lowering harm and decreasing coking becomes " Chinese-style cigarette ".While reduction coke tar in cigarette, promote and improve flue gas concentration and fragrance, also only by means of flavoring and casing technology.Along with going deep into of Chinese-style cigarette lowering harm and decreasing coking work, tobacco flavoring is reinforced demonstrates its importance further.
Constructing Chinese style essence spice for cigarette and the new technology of independent intellectual property right, from natural herbal plant, extract essence and flavoring agent, outstanding " Chinese-style cigarette " style characteristic, is one of basic research of development " Chinese-style cigarette ".
Containing multiple flavones, isoflavonoid compounds in alfalfa leaf, there is the prospect as essence spice for cigarette.But what the research of current alfalfa saw report is used to farming and animal husbandry and medicinal more, has no the bibliographical information that Alfalfa P.E is used to cigarette additive.And in our research process, find the Alfalfa P.E obtained by simple solvent extraction, there is larger negative effect, the instructions for use as cigarette additive cannot be met.
Summary of the invention
Technical problem to be solved by this invention is just to provide a kind of alfalfa leaf method for preparing extractive and the purposes as additive of tobacco product thereof.
For solving the problems of the technologies described above, a kind of alfalfa leaf method for preparing extractive provided by the invention, comprises the following steps:
1) be extract raw material with alfalfa leaf, by alfalfa leaf and extractant by volume 1 ︰ 10 ~ 30 mix, obtain mixture;
2) said mixture is extracted 1 ~ 5h at 50 ~ 90 DEG C, be separated and obtain a feed liquid;
3) in out-feed liquid, add water, precipitation and separation, separation obtains secondary feed liquid and is concentrated into medicinal extract;
4) with the extract back dissolving medicinal extract of 5 ~ 10 times, three feed liquids are concentrated into medicinal extract shape by isolated by filtration byproduct and three feed liquids again, the alfalfa leaf extract namely obtained.
Further, described extractant to be volume fraction be 40 ~ 80% ethanol water, and with organic acid adjust ph to 4.5 ~ 6.5.
Again further, described organic acid is phenylacetic acid, citric acid, malic acid or citric acid.
Again further, described step 3) in, water is through alkali adjust ph to 8.5 ~ 10.5, and described alkali is NaOH, calcium hydroxide, ammoniacal liquor or sodium carbonate.
Again further, described step 4) in, the relative density of medicinal extract is 1.100 ~ 1.300.
A kind of said method of the present invention prepares the purposes of alfalfa leaf extract as additive of tobacco product; Add in the pipe tobacco of cigarette by alfalfa leaf extract, wherein, the alfalfa leaf extract in pipe tobacco accounts for 0.01% ~ 0.05% of pipe tobacco weight.
In technique scheme, the alfalfa leaf extract in described pipe tobacco accounts for 0.02% ~ 0.04% of pipe tobacco weight.
In technique scheme, alfalfa leaf extract is dissolved in solvent, the solvent being dissolved with alfalfa leaf extract is sprayed on pipe tobacco in the pipe tobacco coiling process of production of cigarettes.
In technique scheme, described solvent to be volume fraction be 95% ethanol.
Beneficial effect of the present invention is:
1, the alfalfa leaf extract thing that the present invention prepares adds in tobacco product, and it plays flavouring effectively to tobacco product, and fragrance enriches, and increases the solid sense of flue gas; And this extract can also give aromatic and the note of tobacco product uniqueness, can be used as feature perfuming and use.And while maintenance tobacco product mouthfeel, can avoid introducing assorted gas, increasing the negative effects such as excitant.
2, the present invention is that alfalfa leaf extract opens a new application, adds the new effect of allspice and effect.This extract is as additive of tobacco product, and successful, has good application prospect to " Chinese-style cigarette " goods of the characteristic style of exploitation.
Accompanying drawing explanation
Fig. 1 is process schematic representation of the present invention.
Detailed description of the invention
In order to explain the present invention better, illustrate main contents of the present invention further below in conjunction with specific embodiment, but content of the present invention is not only confined to following examples.
Embodiment 1
First phenylacetic acid is joined in volume fraction 75% ethanol water, ethanol water pH value to 5.0, ethanol water and alfalfa leaf volume ratio are 30 ︰ 1, extract 3 hours at 90 DEG C, after being separated a feed liquid, the water (adding sodium carbonate adjust ph is 8.5) of 2 times of volumes is added and precipitation and separation to feed liquid, secondary feed liquid after separation is concentrated into medicinal extract, density is 1.100, with 8 times of volumes in the volume fraction of medicinal extract be 75% ethanol water back dissolving, isolated by filtration byproduct and three feed liquids again, three feed liquids are concentrated into medicinal extract shape again, namely alfalfa leaf extract 1 of the present invention is obtained.
Embodiment 2
First citric acid is joined in volume fraction 75% ethanol water, regulate ethanol water pH value to 5.5, ethanol water and alfalfa leaf volume ratio are 15 ︰ 1, extract 4 hours at 50 DEG C, after being separated a feed liquid, the water (adding ammoniacal liquor adjust ph is 9.5) of 4 times of volumes is added and precipitation and separation to feed liquid, secondary feed liquid after separation is concentrated into medicinal extract, density is 1.300, with 8 times of volumes in the volume fraction of medicinal extract be 75% ethanol water back dissolving, isolated by filtration byproduct and three feed liquids again, three feed liquids are concentrated into medicinal extract shape again, namely alfalfa leaf extract 2 of the present invention is obtained.
Embodiment 3
First malic acid is joined in volume fraction 75% ethanol water, regulate ethanol water pH value to 4.5, ethanol water and alfalfa leaf volume ratio are 20 ︰ 1, extract 2 hours at 60 DEG C, after being separated a feed liquid, the water (adding NaOH adjust ph is 10.0) of 5 times of volumes is added and precipitation and separation to feed liquid, secondary feed liquid after separation is concentrated into medicinal extract, density is 1.200, with 5 times of volumes in the volume fraction of medicinal extract be 75% ethanol water back dissolving, isolated by filtration byproduct and three feed liquids again, three feed liquids are concentrated into medicinal extract shape again, namely alfalfa leaf extract 3 of the present invention is obtained.
Embodiment 4
First citric acid is joined in volume fraction 75% ethanol water, regulate ethanol water pH value to 6.5, ethanol water and alfalfa leaf volume ratio are 10 ︰ 1, extract 5 hours at 80 DEG C, after being separated a feed liquid, the water (adding calcium hydroxide adjust ph is 10.5) of 3 times of volumes is added and precipitation and separation to feed liquid, secondary feed liquid after separation is concentrated into medicinal extract, density is 1.200, with 6 times of volumes in the volume fraction of medicinal extract be 75% ethanol water back dissolving, isolated by filtration byproduct and three feed liquids again, three feed liquids are concentrated into medicinal extract shape again, namely alfalfa leaf extract 4 of the present invention is obtained.
Embodiment 5 adds obtained extract in the pipe tobacco of cigarette
Extract is added pipe tobacco in the pipe tobacco coiling process of production of cigarettes.Be added into the alfalfa leaf extract in pipe tobacco, account for 0.03% of pipe tobacco weight.Concrete grammar first alfalfa leaf extract is dissolved in ethanol, and the Diluted Alcohol being dissolved with alfalfa leaf extract is evenly sprayed on pipe tobacco, and ethanol evaporation is fallen subsequently.Pipe tobacco rolls into detection sample cigarette through cigarette machine.
Effect experimental in embodiment 6 cigarette smoke
Be taken at the finished cut tobacco 40 grams two parts that temperature 22 DEG C ± 1 DEG C has balanced for 60% ± 2% time with relative humidity (RH), alfalfa leaf extract is taken by 0.04% of its quality, after 95% ethanol dilution, be sprayed on equably on pipe tobacco with larynx jet pipe, perfuming and non-aromatic tobacco sample are placed in the climatic chamber of temperature 22 DEG C ± 1 DEG C and RH60% ± 2% and balance 48 hours, respectively the pipe tobacco of perfuming and non-perfuming is made cigarette with filling out cigarette device, balance 48 hours at 22 DEG C ± 1 DEG C and RH60% ± 2% time again, please cigarette sensory evaluating smoking group smoke panel test.
The personnel that smoke panel test unanimously think that the alfalfa leaf extract that adds can flavouring effectively when tobacco product aspirates, and fragrance enriches, and increases the solid sense of flue gas.
Other unspecified part is prior art.Although above-described embodiment is to invention has been detailed description; but it is only the present invention's part embodiment; instead of whole embodiment, people can also obtain other embodiments according to the present embodiment under without creative prerequisite, and these embodiments all belong to scope.
Claims (9)
1. an alfalfa leaf method for preparing extractive, is characterized in that: comprise the following steps:
1) be extract raw material with alfalfa leaf, by alfalfa leaf and extractant by volume 1 ︰ 10 ~ 30 mix, obtain mixture;
2) said mixture is extracted 1 ~ 5h at 50 ~ 90 DEG C, be separated and obtain a feed liquid;
3) in out-feed liquid, add water, precipitation and separation, separation obtains secondary feed liquid and is concentrated into medicinal extract;
4) with the extract back dissolving medicinal extract of 5 ~ 10 times, three feed liquids are concentrated into medicinal extract shape by isolated by filtration byproduct and three feed liquids again, the alfalfa leaf extract namely obtained.
2. alfalfa leaf method for preparing extractive according to claim 1, is characterized in that: described extractant to be volume fraction be 40 ~ 80% ethanol water, and with organic acid adjust ph to 4.5 ~ 6.5.
3. alfalfa leaf method for preparing extractive according to claim 2, is characterized in that: described organic acid is phenylacetic acid, citric acid, malic acid or citric acid.
4. alfalfa leaf method for preparing extractive according to claim 1 or 2, is characterized in that: described step 3) in, water is through alkali adjust ph to 8.5 ~ 10.5, and described alkali is NaOH, calcium hydroxide, ammoniacal liquor or sodium carbonate.
5. alfalfa leaf method for preparing extractive according to claim 1 or 2, is characterized in that: described step 4) in, the relative density of medicinal extract is 1.100 ~ 1.300.
6. a method according to claim 1 prepares the purposes of alfalfa leaf extract as additive of tobacco product; It is characterized in that: add in the pipe tobacco of cigarette by alfalfa leaf extract, wherein, the alfalfa leaf extract in pipe tobacco accounts for 0.01% ~ 0.05% of pipe tobacco weight.
7. purposes according to claim 6, is characterized in that: the alfalfa leaf extract in described pipe tobacco accounts for 0.02% ~ 0.04% of pipe tobacco weight.
8. the purposes according to claim 6 or 7, is characterized in that: be dissolved in solvent by alfalfa leaf extract, and the solvent being dissolved with alfalfa leaf extract is sprayed on pipe tobacco in the pipe tobacco coiling process of production of cigarettes.
9. purposes according to claim 8, is characterized in that: described solvent to be volume fraction be 95% ethanol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510288783.2A CN104905398A (en) | 2015-05-29 | 2015-05-29 | Alfalfa leaf extract preparation method and use as tobacco product additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510288783.2A CN104905398A (en) | 2015-05-29 | 2015-05-29 | Alfalfa leaf extract preparation method and use as tobacco product additive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104905398A true CN104905398A (en) | 2015-09-16 |
Family
ID=54075180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510288783.2A Pending CN104905398A (en) | 2015-05-29 | 2015-05-29 | Alfalfa leaf extract preparation method and use as tobacco product additive |
Country Status (1)
| Country | Link |
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| CN (1) | CN104905398A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106235397A (en) * | 2016-09-09 | 2016-12-21 | 湖北中烟工业有限责任公司 | A kind of preparation method and applications of Artemisia dracunculus cigarette extract |
| CN106235392A (en) * | 2016-09-09 | 2016-12-21 | 湖北中烟工业有限责任公司 | A kind of preparation method and applications of Polianthes tuberosa L. cigarette extract |
| CN107050098A (en) * | 2017-01-16 | 2017-08-18 | 北京健旭康技术有限公司 | The beneficial liver of alfalfa acts on and applied process technology |
| CN108378247A (en) * | 2018-04-11 | 2018-08-10 | 佛山推启农业研究院（普通合伙） | A kind of broiler breeding feed and preparation method thereof rich in various trace elements |
| CN108851195A (en) * | 2018-07-26 | 2018-11-23 | 湖北中烟工业有限责任公司 | A kind of preparation method of cigarette alfalfa extract |
| CN109337762A (en) * | 2018-10-18 | 2019-02-15 | 湖北中烟工业有限责任公司 | A kind of preparation method and applications of cigarette alfalfa reactant |
| CN111494261A (en) * | 2020-04-24 | 2020-08-07 | 上海珈凯生物科技有限公司 | Application of medicago sativa extract in product with blue light protection effect and preparation method of medicago sativa extract |
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| RU2356433C1 (en) * | 2008-05-26 | 2009-05-27 | Олег Иванович Квасенков | Method for producing reconstituted tobacco |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106235397A (en) * | 2016-09-09 | 2016-12-21 | 湖北中烟工业有限责任公司 | A kind of preparation method and applications of Artemisia dracunculus cigarette extract |
| CN106235392A (en) * | 2016-09-09 | 2016-12-21 | 湖北中烟工业有限责任公司 | A kind of preparation method and applications of Polianthes tuberosa L. cigarette extract |
| CN107050098A (en) * | 2017-01-16 | 2017-08-18 | 北京健旭康技术有限公司 | The beneficial liver of alfalfa acts on and applied process technology |
| CN108378247A (en) * | 2018-04-11 | 2018-08-10 | 佛山推启农业研究院（普通合伙） | A kind of broiler breeding feed and preparation method thereof rich in various trace elements |
| CN108851195A (en) * | 2018-07-26 | 2018-11-23 | 湖北中烟工业有限责任公司 | A kind of preparation method of cigarette alfalfa extract |
| CN109337762A (en) * | 2018-10-18 | 2019-02-15 | 湖北中烟工业有限责任公司 | A kind of preparation method and applications of cigarette alfalfa reactant |
| CN111494261A (en) * | 2020-04-24 | 2020-08-07 | 上海珈凯生物科技有限公司 | Application of medicago sativa extract in product with blue light protection effect and preparation method of medicago sativa extract |
| CN111494261B (en) * | 2020-04-24 | 2021-02-12 | 上海珈凯生物科技有限公司 | Application of medicago sativa extract in product with blue light protection effect and preparation method of medicago sativa extract |
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Application publication date: 20150916 |