CN109171002A - A kind of sodium borate buffer liquid for reducing TSNAs in cigarette smoke - Google Patents
A kind of sodium borate buffer liquid for reducing TSNAs in cigarette smoke Download PDFInfo
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- CN109171002A CN109171002A CN201811076835.XA CN201811076835A CN109171002A CN 109171002 A CN109171002 A CN 109171002A CN 201811076835 A CN201811076835 A CN 201811076835A CN 109171002 A CN109171002 A CN 109171002A
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- Prior art keywords
- cigarette
- sodium borate
- borate buffer
- buffer liquid
- sprays
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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
- A24B3/12—Steaming, curing, or flavouring tobacco
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Abstract
The present invention relates to a kind of sodium borate buffer liquid for reducing TSNAs in cigarette smoke, the sodium borate buffer liquid includes boric acid and borax；Wherein, by the dry weight of piece cigarette in terms of, the amount of spraying of the boric acid is 0.2~0.7%, and the amount of spraying of the borax is 0.3~1.5%.The present invention is sprayed using the sodium borate buffer liquid to piece cigarette surface, then cigarette is made；The burst size of TSNAs does not apply the cigarette sample of sodium borate buffer liquid substantially less than in made cigarette smoke.
Description
Technical field
The present invention relates to a kind of sodium borate buffer liquids for reducing TSNAs in cigarette smoke.
Background technique
TSNAs (TSNAs, Tobacco Specific N-Nitrosamines) is distinctive one kind carcinogenicity in tobacco
Ingredient, accretion rate is slow in human body for it, and long half time is very big to human health damage.Therefore, TSNAs is formulated into more
A tobacco harmful components list is to need to disclose in cigarette and one of reduced harmful components.People are primarily upon following 4 at present
Kind: 4- (N- methyl-nitrosamine) -1- (3- pyridyl group) -1- butanone (NNK, 4- (N-methyl-N-nitrosamino) -1- (3-
Pyridyl) -1-butanone), N- nitrosonornicotine (NNN, N '-Nitrosonornicotine), N- nitroso it is new
Nicotine (NAT, N '-Nitrosoanatabine), N- nitroso vacation scouring rush nicotine (NAB, N '-Nitrosoanabasine).
TSNAs mainly generates the modulation in tobacco, alcoholization stage and process segment, TSNAs and generates once being formed, just can be steady
Surely it is present in tobacco, and a part can be shifted into cigarette smoke in result of combustion of tobacco.In addition, during result of combustion of tobacco
Heat scission reaction, can equally generate TSNAs.Therefore, TSNAs a part in cigarette smoke directly turns in tobacco
It moves, another part derives from the heat scission reaction of result of combustion of tobacco process.And the heat scission reaction during cigarette burning is by tobacco
The influence of exogenous additive, different tobacco additive agents will affect the combustion reaction of tobacco, and then will lead in cigarette smoke
TSNAs burst size it is different.Currently, having been reported that by applying the exogenous compounds such as nano material, catalyst in tobacco leaf, change
Become result of combustion of tobacco state, influences heat scission reaction, TSNAs in cigarette smoke can be reduced, but there are no and add Boratex in tobacco
Buffer reduces the report of TSNAs in cigarette smoke.
Summary of the invention
The purpose of the present invention is to provide a kind of sodium borate buffer liquids for reducing TSNAs in cigarette smoke.Boratex
Buffer has no as a kind of inorganic salts for reducing the report of N- nitrosamine peculiar in cigarette smoke.The sodium borate buffer
Liquid includes boric acid and borax.
In order to realize the content for reducing TSNAs to the greatest extent, and the mouthfeel of cigarette can be effectively ensured, the present invention limits boron
Acid sprays 0.7% that maximum is piece cigarette dry weight, and borax sprays 1.5% that maximum is tobacco leaf dry weight.Preferably；
The sodium borate buffer liquid, by the dry weight of piece cigarette in terms of, the amount of spraying of the boric acid is 0.2~0.7%, the borax
The amount of spraying is 0.3~1.5%.
Sodium borate buffer liquid of the present invention takes water as a solvent, by weight volume percentage, takes water as a solvent, and contains
2%~3.5% boric acid and 4%~5% borax；
Preferably, it takes water as a solvent, contains 2.2%~3.08% boric acid and 4.4%~4.6% borax.The proportion
Sodium borate buffer liquid TSNAs in flue gas can not only be effectively reduced, additionally it is possible to change the pH value of raw tobacco material, have certain slow
Rush the ability of tobacco leaf pH value.
TSNAs in cigarette smoke can be effectively reduced in order to further illustrate the sodium borate buffer liquid, the present invention provides
A kind of method of TSNAs in reduction cigarette smoke, it is specific: above-mentioned sodium borate buffer liquid is uniformly sprayed to the table of piece cigarette
Face；
Preferably, by the dry weight of described cigarette in terms of, every 100g piece cigarette sprays the amount of spraying of the sodium borate buffer liquid
Apply the sodium borate buffer liquid of 10~20mL；Preferably 15~20mL；Most preferably, every 100g piece cigarette sprays the described of 20mL
Sodium borate buffer liquid；
The present invention is optional, and described cigarette is sunning cigarette.
After described cigarette sprays sodium borate buffer liquid, in order to make it play good effect, described cigarette sprays boric acid
After sodium buffer, by described cigarette at 20~25 DEG C of temperature, relative humidity is to spontaneously dry in 50~70% environment, until tobacco leaf water
Divide content 10~15%.
Preferably, the present invention is by described cigarette at 22 DEG C of temperature, and relative humidity is to spontaneously dry in 60% environment, until tobacco leaf
Moisture content 12%；
Then described cigarette is cut into pipe tobacco, cigarette is made.
The present invention provides a kind of preferred embodiment, the method specifically: is sprayed described in 15~20mL with every 100g piece cigarette
The amount of sodium borate buffer liquid uniformly sprays the sodium borate buffer liquid to the surface of piece cigarette；Then by described cigarette nature
Drying to moisture content in leaves content is 10~15%, is then cut into pipe tobacco, cigarette is made.
Preferably, the amount that the sodium borate buffer liquid of 20mL is sprayed with every 100g piece cigarette, by the sodium borate buffer liquid
Uniformly spray to the surface of piece cigarette；Then described cigarette is naturally dried to moisture content in leaves content is 12%, is then cut into cigarette
Silk, is made cigarette；
It is furthermore preferred that the sodium borate buffer liquid takes water as a solvent, the boron for being 2.2%~3.08% containing w/v
The sour borax with 4.4%~4.6%.
Specific embodiment
The present invention is further explained combined with specific embodiments below, it should be appreciated that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
Reagent is used in following examples:
Boric acid (AR grades, be purchased from Beijing lark prestige Science and Technology Ltd.)
Borax (AR grades, be purchased from Beijing lark prestige Science and Technology Ltd.)
(purity >=98% is purchased from Toronto Research Chemicals for 4 kinds of TSNAs standard items and its internal standard
Inc.)
The instrument of use:
Efficient liquid phase-triple quadrupole bar tandem mass spectrum combined instrument (efficient liquid phase instrument: Symbiosis (Pico), is purchased from
Spark Holland company；
Triple quadrupole mass spectrometer: Applied biosystems API5500, are purchased from.
Embodiment 1
The present embodiment provides a kind of sodium borate buffer liquids for reducing TSNAs in cigarette smoke, using clear water as solvent, often
In 1mL clear water, the boric acid of 0.022g, the borax of 0.044g is added.
Embodiment 2
The present embodiment provides a kind of sodium borate buffer liquids for reducing TSNAs in cigarette smoke, using clear water as solvent, often
In 1mL clear water, the boric acid of 0.03g, the borax of 0.046g is added.
Embodiment 3
The present embodiment provides it is a kind of reduction cigarette smoke in TSNAs method, specifically:
1) the prepared sodium borate buffer liquid 200mL of Example 1, is uniformly sprayed with mist to 1kg beating and double roasting
White fin piece cigarette surface afterwards；
It 2) is to be placed in 60%~70% environment in 22 DEG C and relative humidity, until moisture content in leaves content by the piece cigarette after spray
When 12%, chopping is carried out, and roll into cigarette.
Embodiment 4
The present embodiment provides it is a kind of reduction cigarette smoke in TSNAs method, specifically:
1) the prepared sodium borate buffer liquid 200mL of Example 2, is uniformly sprayed with mist to 1kg beating and double roasting
White fin cigarette surface afterwards；
It 2) is to place in 60% environment in 22 DEG C and relative humidity by the piece cigarette after spray, until when moisture content in leaves content 12%,
Chopping is carried out, and rolls into cigarette.
Comparative example 1
Compared with embodiment 3 and embodiment 4, difference is this comparative example, will spray sour sodium buffer soln be changed to it is identical
The clear water of volume, other operating procedures are identical.
Experimental example
Experimental method: the cigarette that embodiment 3, embodiment 4 and comparative example 1 are prepared is in 22 DEG C and 60% relative humidity
48h is balanced in environment, then carries out smoking experiment according to ISO 4387:2000 standard, is examined according to GB/T 23228-2008 standard
Survey TSNAs burst size in cigarette mainstream flue gas.
Experimental result is as shown in table 1: where and TSNAs reduced rate (%)=((TSNAs is released in reference examples sample cigarette smoke
TSNAs burst size in high-volume-embodiment sample cigarette smoke) TSNAs burst size in/reference examples sample cigarette smoke)) ×
100%.
The burst size of TSNAs in 1 cigarette mainstream flue gas of table
It can be seen from the above the burst size of TSNAs really can be bright in the cigarette smoke that method of the invention is prepared
It is aobvious to reduce.
Although above having used general explanation, specific embodiment and test, the present invention is made to retouch in detail
It states, but on the basis of the present invention, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to claimed
Range.
Claims (10)
1. a kind of sodium borate buffer liquid for reducing TSNAs in cigarette smoke, which is characterized in that the sodium borate buffer liquid packet
Include boric acid and borax；Wherein, by the dry weight of piece cigarette in terms of, the amount of spraying of the boric acid is 0.2~0.7%, the borax
The amount of spraying be 0.3~1.5%.
2. a kind of sodium borate buffer liquid for reducing TSNAs in cigarette smoke, by weight volume percentage, feature exist
In taking water as a solvent, contain 2%~3.5% boric acid and 4%~5% borax；
Preferably, it takes water as a solvent, contains 2.2%~3.08% boric acid and 4.4%~4.6% borax.
3. a kind of method for reducing TSNAs in cigarette smoke, which is characterized in that by sodium borate buffer described in claim 1~2
Liquid is uniformly sprayed to the surface of piece cigarette.
4. according to the method described in claim 3, it is characterized in that, the amount of spraying of sodium borate buffer liquid described in claim 2 with
The dry weight of described cigarette is meter, and every 100g piece cigarette sprays the sodium borate buffer liquid of 10~20mL.
5. according to the method described in claim 4, it is characterized in that, the Boratex that every 100g piece cigarette sprays 15~20mL delays
Fliud flushing；Preferably 20mL.
6. according to the described in any item methods of claim 3~5, which is characterized in that described cigarette is sunning cigarette.
7. according to the described in any item methods of claim 3~6, which is characterized in that after described cigarette sprays sodium borate buffer liquid,
By described cigarette at 20~25 DEG C of temperature, relative humidity is to spontaneously dry in 50~70% environment, until moisture content in leaves content 10~
15%.
8. the method according to the description of claim 7 is characterized in that after described cigarette sprays sodium borate buffer liquid, by described
Cigarette is at 22 DEG C of temperature, and relative humidity is to spontaneously dry in 60% environment, until moisture content in leaves content 12%.
9. according to the described in any item methods of claim 3~6, which is characterized in that spray 15~20mL's with every 100g piece cigarette
The amount of the sodium borate buffer liquid uniformly sprays the sodium borate buffer liquid to the surface of piece cigarette；Then by described cigarette
Naturally drying to moisture content in leaves content is 10~15%, is then cut into pipe tobacco, cigarette is made.
10. according to the method described in claim 9, it is characterized in that, slow with the Boratex that every 100g piece cigarette sprays 20mL
The amount of fliud flushing uniformly sprays the sodium borate buffer liquid to the surface of piece cigarette；Then described cigarette is naturally dried into cigarette
Leaf moisture content is 12%, is then cut into pipe tobacco, cigarette is made；
Preferably, the sodium borate buffer liquid takes water as a solvent, containing w/v be 2.2%~3.08% boric acid and
4.4%~4.6% borax.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811076835.XA CN109171002B (en) | 2018-09-14 | 2018-09-14 | Sodium borate buffer solution for reducing TSNAs in cigarette smoke |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811076835.XA CN109171002B (en) | 2018-09-14 | 2018-09-14 | Sodium borate buffer solution for reducing TSNAs in cigarette smoke |
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| CN109171002A true CN109171002A (en) | 2019-01-11 |
| CN109171002B CN109171002B (en) | 2022-04-29 |
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| Publication number | Publication date |
|---|---|
| CN109171002B (en) | 2022-04-29 |
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Address after: 200082 No. 717, Changyang Road, Shanghai, Yangpu District Applicant after: SHANGHAI TOBACCO GROUP Co.,Ltd. Applicant after: Shanghai Tobacco Group Beijing Cigarette Factory Co.,Ltd. Address before: 200082 No. 717, Changyang Road, Shanghai, Yangpu District Applicant before: SHANGHAI TOBACCO GROUP Co.,Ltd. Applicant before: BEIJING CIGARETTE FACTORY, SHANGHAI TOBACCO GROUP Co.,Ltd. |
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