CN115119957A - Antioxidant electronic cigarette oil and preparation method thereof - Google Patents
Antioxidant electronic cigarette oil and preparation method thereof Download PDFInfo
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- CN115119957A CN115119957A CN202210743348.4A CN202210743348A CN115119957A CN 115119957 A CN115119957 A CN 115119957A CN 202210743348 A CN202210743348 A CN 202210743348A CN 115119957 A CN115119957 A CN 115119957A
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- 230000003078 antioxidant effect Effects 0.000 title claims abstract description 107
- 239000003963 antioxidant agent Substances 0.000 title claims abstract description 100
- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 84
- 238000002360 preparation method Methods 0.000 title abstract description 27
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims abstract description 165
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical class CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 claims abstract description 113
- QRYRORQUOLYVBU-VBKZILBWSA-N carnosic acid Chemical compound CC([C@@H]1CC2)(C)CCC[C@]1(C(O)=O)C1=C2C=C(C(C)C)C(O)=C1O QRYRORQUOLYVBU-VBKZILBWSA-N 0.000 claims abstract description 100
- DOUMFZQKYFQNTF-WUTVXBCWSA-N (R)-rosmarinic acid Chemical compound C([C@H](C(=O)O)OC(=O)\C=C\C=1C=C(O)C(O)=CC=1)C1=CC=C(O)C(O)=C1 DOUMFZQKYFQNTF-WUTVXBCWSA-N 0.000 claims abstract description 96
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 90
- 241000208125 Nicotiana Species 0.000 claims abstract description 61
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 61
- 229960002715 nicotine Drugs 0.000 claims abstract description 54
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 claims abstract description 54
- ZZAFFYPNLYCDEP-HNNXBMFYSA-N Rosmarinsaeure Natural products OC(=O)[C@H](Cc1cccc(O)c1O)OC(=O)C=Cc2ccc(O)c(O)c2 ZZAFFYPNLYCDEP-HNNXBMFYSA-N 0.000 claims abstract description 50
- DOUMFZQKYFQNTF-MRXNPFEDSA-N rosemarinic acid Natural products C([C@H](C(=O)O)OC(=O)C=CC=1C=C(O)C(O)=CC=1)C1=CC=C(O)C(O)=C1 DOUMFZQKYFQNTF-MRXNPFEDSA-N 0.000 claims abstract description 50
- TVHVQJFBWRLYOD-UHFFFAOYSA-N rosmarinic acid Natural products OC(=O)C(Cc1ccc(O)c(O)c1)OC(=Cc2ccc(O)c(O)c2)C=O TVHVQJFBWRLYOD-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229940096998 ursolic acid Drugs 0.000 claims abstract description 46
- PLSAJKYPRJGMHO-UHFFFAOYSA-N ursolic acid Natural products CC1CCC2(CCC3(C)C(C=CC4C5(C)CCC(O)C(C)(C)C5CCC34C)C2C1C)C(=O)O PLSAJKYPRJGMHO-UHFFFAOYSA-N 0.000 claims abstract description 46
- WCGUUGGRBIKTOS-GPOJBZKASA-N (3beta)-3-hydroxyurs-12-en-28-oic acid Chemical compound C1C[C@H](O)C(C)(C)[C@@H]2CC[C@@]3(C)[C@]4(C)CC[C@@]5(C(O)=O)CC[C@@H](C)[C@H](C)[C@H]5C4=CC[C@@H]3[C@]21C WCGUUGGRBIKTOS-GPOJBZKASA-N 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000008367 deionised water Substances 0.000 claims abstract description 36
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 36
- 239000002994 raw material Substances 0.000 claims abstract description 32
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 229940092258 rosemary extract Drugs 0.000 claims abstract description 7
- 235000020748 rosemary extract Nutrition 0.000 claims abstract description 7
- 239000001233 rosmarinus officinalis l. extract Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 68
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 62
- 238000002156 mixing Methods 0.000 claims description 58
- 239000005711 Benzoic acid Substances 0.000 claims description 31
- 235000010233 benzoic acid Nutrition 0.000 claims description 31
- 239000003960 organic solvent Substances 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 11
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 11
- 239000001630 malic acid Substances 0.000 claims description 11
- 235000011090 malic acid Nutrition 0.000 claims description 11
- 239000011259 mixed solution Substances 0.000 claims description 9
- 150000007524 organic acids Chemical class 0.000 claims description 9
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 claims description 7
- 239000004220 glutamic acid Substances 0.000 claims description 7
- 235000013922 glutamic acid Nutrition 0.000 claims description 7
- 235000015165 citric acid Nutrition 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 claims description 3
- 235000006708 antioxidants Nutrition 0.000 abstract description 76
- 230000003647 oxidation Effects 0.000 abstract description 15
- 238000007254 oxidation reaction Methods 0.000 abstract description 15
- 239000003205 fragrance Substances 0.000 abstract description 5
- 238000000151 deposition Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 120
- 239000003921 oil Substances 0.000 description 64
- 238000010992 reflux Methods 0.000 description 24
- 238000005303 weighing Methods 0.000 description 21
- 238000010438 heat treatment Methods 0.000 description 13
- -1 rosmarinic acid nicotine salt Chemical class 0.000 description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- 235000019504 cigarettes Nutrition 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WCGUUGGRBIKTOS-JJWDWEPMSA-N (1s,2r,4as,6ar,6as,6br,10s,12ar,14bs)-10-hydroxy-1,2,6a,6b,9,9,12a-heptamethyl-2,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydro-1h-picene-4a-carboxylic acid Chemical group C1C[C@H](O)C(C)(C)C2CC[C@@]3(C)[C@]4(C)CC[C@@]5(C(O)=O)CC[C@@H](C)[C@H](C)[C@H]5C4=CC[C@@H]3[C@]21C WCGUUGGRBIKTOS-JJWDWEPMSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000005586 smoking cessation Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 235000019505 tobacco product Nutrition 0.000 description 1
- 239000000341 volatile oil Substances 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
-
- 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
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
-
- 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
-
- 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
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
-
- 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
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
- A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
Abstract
The application provides an antioxidant electronic cigarette oil and a preparation method thereof, wherein the antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 5-20 parts of antioxidant nicotine salt, 1-5 parts of tobacco essence, 7-15 parts of deionized water, 40-60 parts of propylene glycol and 10-20 parts of glycerol. This application has added natural antioxidant rosemary extract in the preparation process, including one or several kinds of compositions in rosmarinic acid, carnosic acid and ursolic acid, all have stronger antioxidant activity, belong to high-efficient natural antioxidant, add antioxidant preparation anti-oxidant nicotine salt, add anti-oxidant nicotine salt in the electron tobacco tar, can restrain the natural oxidation of nicotine on the one hand, the color that embodies in the electron tobacco tar can not become dark, brownish red appears even, on the other hand protects not the oxidation of essence component in the course of depositing, the expression can not become tone or fade in electron tobacco tar fragrance, can improve the anti-oxidant effect of electron tobacco tar.
Description
Technical Field
The application relates to the technical field of electronic cigarette oil, in particular to antioxidant electronic cigarette oil and a preparation method thereof.
Background
With the increasing control of traditional cigarettes in China, more and more people begin to select electronic cigarettes. Electronic cigarettes, as one form of novel tobacco products, present a great market prospect, mainly because on the one hand electronic cigarettes can provide consumption habits and satisfiability similar to traditional cigarettes, and on the other hand the hazard index of electronic cigarettes is greatly reduced compared to traditional cigarettes. Compared with the traditional cigarette, the low harm of the electronic cigarette is that atomized liquid is inhaled into a human body instead of combustion cracking products in a non-combustion mode. The electronic cigarette does not burn or generate harmful substances such as tar, carbon monoxide, carbon dioxide, acrolein and the like, hardly generates second-hand smoke harm, and is considered as a nuisanceless smoking cessation product or a tobacco substitute.
At present, conventional electronic cigarette tobacco tar is mainly formed by mixing a tobacco extract, propylene glycol, glycerol and tobacco essence according to a certain proportion, but the electronic cigarette tobacco tar has low oxidation resistance, the oxidation of the oil can finally cause the rancidity of the oil, and substances such as micromolecular aldehyde, ketone, acid and the like generated by decomposition in the oxidation process have strong stimulation flavor and influence the taste, are difficult to metabolize after being inhaled into a human body and are accumulated in the body, so that the liver is usually damaged; in view of the situation that the consumption population of the electronic cigarette worldwide rises, the electronic cigarette tobacco tar with oxidation resistance has a huge market prospect, and the electronic cigarette will greatly increase the attraction of consumers. Therefore, there is a need to develop an electronic cigarette liquid with high oxidation resistance.
Disclosure of Invention
In view of the problems, the present application is proposed to provide an antioxidant e-liquid and a preparation method thereof, which overcome the problems or at least partially solve the problems, comprising:
the antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 5-20 parts of antioxidant nicotine salt, 1-5 parts of tobacco essence, 7-15 parts of deionized water, 40-60 parts of propylene glycol and 10-20 parts of glycerol.
Preferably, the antioxidant nicotine salt comprises the following raw materials: 10-70 parts of nicotine, 0.1-3.5 parts of antioxidant, 10-50 parts of organic solvent and 10-50 parts of organic acid.
Preferably, the antioxidant is rosemary extract, including one or more of rosmarinic acid, carnosic acid and ursolic acid.
Preferably, the organic acid is one or a combination of more of benzoic acid, glutamic acid, malic acid and citric acid.
Preferably, the antioxidant nicotine salt comprises the following raw materials in parts by weight: 10-70 parts of nicotine, 0.1-3.5 parts of rosmarinic acid, 10-50 parts of organic solvent and 10-50 parts of benzoic acid.
Preferably, the antioxidant nicotine salt comprises the following raw materials in parts by weight: 10-70 parts of nicotine, 0.1-2.0 parts of rosmarinic acid, 0.1-1.5 parts of carnosic acid, 10-50 parts of organic solvent and 10-50 parts of glutamic acid.
Preferably, the antioxidant nicotine salt comprises the following raw materials in parts by weight: 10-70 parts of nicotine, 0.1-2.0 parts of ursolic acid, 0.1-1.5 parts of carnosic acid, 10-50 parts of organic solvent and 10-50 parts of malic acid.
Preferably, the antioxidant nicotine salt comprises the following raw materials in parts by weight: 10-70 parts of nicotine, 0.1-1.5 parts of rosmarinic acid, 0.1-1.5 parts of carnosic acid, 0.1-1.5 parts of ursolic acid, 10-50 parts of organic solvent and 10-50 parts of citric acid.
The application also provides a preparation method of the antioxidant electronic cigarette oil, which comprises the following steps:
preparing an antioxidant nicotine salt: adding nicotine, an antioxidant and an organic solvent into a reaction container according to a certain weight ratio, fully stirring under a first preset condition, and uniformly mixing to obtain a first mixed solution; adding organic acid into the first mixed solution, placing the first mixed solution under a second preset condition, fully stirring the mixture, and cooling the mixture to room temperature to obtain antioxidant nicotine salt;
preparing electronic cigarette oil: the antioxidant electronic tobacco tar is prepared by mixing the antioxidant nicotine salt, the tobacco essence, deionized water and an organic solvent in parts by weight, and uniformly mixing and stirring at the temperature of 25-50 ℃.
Preferably, the first preset condition is a normal temperature, and the second preset condition is: the temperature is 60-150 ℃, the stirring speed is 200-500r/min, the reflux ratio is 2:1, and the reflux reaction is 0.5-2 h.
The application has the following advantages:
in the embodiment of the application, the paint comprises the following raw materials in parts by weight: 5-20 parts of antioxidant nicotine salt, 1-5 parts of tobacco essence, 7-15 parts of deionized water, 40-60 parts of propylene glycol and 10-20 parts of glycerol. This application has added natural antioxidant rosemary extract in the preparation process, including one or several kinds of compositions in rosmarinic acid, carnosic acid and ursolic acid, all have stronger antioxidant activity, belong to high-efficient natural antioxidant, add antioxidant preparation anti-oxidant nicotine salt, add anti-oxidant nicotine salt in the electron tobacco tar, can restrain the natural oxidation of nicotine on the one hand, the color that embodies at the electron tobacco tar can not become dark, brownish red appears even, on the other hand protects not the oxidation of essence component in the course of depositing, the expression can not become tone or fade in electron tobacco tar fragrance, multiple antioxidant is mutually supported, interact, improve the antioxidant effect of electron tobacco tar jointly, can eliminate fatigue, it is anti-aging, have bactericidal antibacterial and fragrance enhancement effect simultaneously, can fresh breath.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the following detailed description. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 application.
An embodiment of the application provides an antioxidant electronic cigarette oil which comprises the following raw materials in parts by weight: 5-20 parts of antioxidant nicotine salt, 1-5 parts of tobacco essence, 7-15 parts of deionized water, 40-60 parts of propylene glycol and 10-20 parts of glycerol.
In the embodiment of the application, the paint comprises the following raw materials in parts by weight: 5-20 parts of antioxidant nicotine salt, 1-5 parts of tobacco essence, 7-15 parts of deionized water, 40-60 parts of propylene glycol and 10-20 parts of glycerol. This application has added natural antioxidant rosemary extract in the preparation process, including rosmarinic acid, one or several kinds of compositions in carnosic acid and ursolic acid, all have stronger antioxidant activity, belong to high-efficient natural antioxidant, add antioxidant preparation anti-oxidant nicotine salt, add anti-oxidant nicotine salt to the electron tobacco tar, can restrain the natural oxidation of nicotine on the one hand, the color that embodies at the electron tobacco tar can not become dark, brownish red appears even, on the other hand protects essence component not by the oxidation of depositing the in-process, the expression can not become tone or fade in electron tobacco tar fragrance, multiple antioxidant mutually supports, interact, improve the anti-oxidant effect of electron tobacco tar jointly, can eliminate fatigue, it is anti-aging, antibacterial and the perfuming effect has simultaneously, can fresh the breath.
Next, an antioxidant e-liquid and a method for preparing the same in the present exemplary embodiment will be further described.
In an embodiment of the application, the antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 5-20 parts of antioxidant nicotine salt, 1-5 parts of tobacco essence, 7-15 parts of deionized water, 40-60 parts of propylene glycol and 10-20 parts of glycerol; wherein the antioxidant nicotine salt comprises the following raw materials: 10-70 parts of nicotine, 0.1-3.5 parts of antioxidant, 10-50 parts of organic solvent and 10-50 parts of organic acid; wherein the organic acid is one or a combination of more of benzoic acid, glutamic acid, malic acid and citric acid;
the antioxidant is rosemary extract, and comprises one or more of rosmarinic acid, carnosic acid and ursolic acid; wherein, the preparation process of the rosemary extract comprises the following steps:
pulverizing dry leaves of herba Rosmarini officinalis, directly placing into 10 times volume of water solution, heating and distilling for 0.5 hr, and collecting distillate to obtain herba Rosmarini officinalis essential oil;
after distillation, adding 8 times of 75% ethanol solution into the residue, extracting at 60 deg.C for 2h, and filtering to obtain filtrate A; continuously adding a 75% ethanol solution with the volume 6 times that of the filter residue, extracting for 1h at the temperature of 60 ℃, and filtering to obtain a filtrate B;
mixing the filtrate A and the filtrate B, concentrating until no alcohol smell exists, and centrifuging to obtain a solid part and a water phase part;
concentrating and spraying the water phase part to obtain dry rosmarinic acid;
adding 60% ethanol solution into the solid part, dissolving, centrifuging, and repeating for three times to obtain solid dry ursolic acid; concentrating and drying the liquid part to obtain carnosic acid.
It should be noted that the purity of the obtained rosmarinic acid, carnosic acid or ursolic acid is more than 50%, preferably not less than 90%, so as to improve the purity of nicotine salt.
In an embodiment of the application, the preparation method of the antioxidant electronic cigarette liquid comprises the following steps:
preparing an antioxidant nicotine salt: adding nicotine, an antioxidant and an organic solvent into a reaction container according to a certain weight ratio, fully stirring under a first preset condition, and uniformly mixing to obtain a first mixed solution; adding organic acid into the first mixed solution, placing the first mixed solution under a second preset condition, fully stirring the mixture, and cooling the mixture to room temperature to obtain antioxidant nicotine salt; the first preset condition is normal temperature, and the second preset condition is as follows: the temperature is 60-150 ℃, the stirring speed is 200-;
preparing electronic cigarette oil: the antioxidant electronic tobacco tar is prepared by mixing the antioxidant nicotine salt, the tobacco essence, deionized water and an organic solvent according to the parts by weight, and uniformly mixing and stirring the mixture at the temperature of 25-50 ℃.
Example 1
The antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 20 parts of nicotine, 0.6 part of rosmarinic acid, 8 parts of benzoic acid, 1 part of tobacco essence, 7 parts of deionized water, 40 parts of propylene glycol and 10 parts of glycerol.
The preparation method of the electronic cigarette oil comprises the following steps:
preparing nicotine salt of rosmarinic acid: weighing nicotine, rosmarinic acid and propylene glycol according to the weight ratio of 1:0.03:0.5, respectively, fully stirring at normal temperature, and uniformly mixing to obtain a transparent solution; adding the benzoic acid in parts by weight into the obtained transparent solution, heating and stirring at 130 ℃, stirring at the speed of 400r/min and the reflux ratio of 2:1 for 2h, and cooling to room temperature to obtain rosmarinic acid nicotine salt;
preparing electronic cigarette oil: mixing the prepared rosmarinic acid nicotine salt, 1 part of tobacco essence, 7 parts of deionized water, 40 parts of propylene glycol and 10 parts of glycerol, and stirring at 35 ℃ for 30min to obtain the electronic cigarette oil.
Example 2
The antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 40 parts of nicotine, 2 parts of rosmarinic acid, 28 parts of glutamic acid, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol.
The preparation method of the electronic cigarette oil comprises the following steps:
preparing nicotine salt of rosmarinic acid: weighing nicotine, rosmarinic acid and propylene glycol according to the weight ratio of 1:0.05:0.35, respectively, fully stirring at normal temperature, and uniformly mixing to obtain a transparent solution; adding the glutamic acid in the parts by weight into the obtained transparent solution, heating and stirring at 110 ℃, stirring at the speed of 500r/min and the reflux ratio of 2:1, refluxing for 3.6h, and cooling to room temperature to obtain rosmarinic acid nicotine salt;
preparing electronic cigarette oil: mixing the prepared rosmarinic acid nicotine salt, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol, and stirring at 30 ℃ for 40min to obtain the electronic cigarette oil.
Example 3
The antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 20 parts of nicotine, 0.6 part of carnosic acid, 8 parts of benzoic acid, 1 part of tobacco essence, 7 parts of deionized water, 40 parts of propylene glycol and 10 parts of glycerol.
The preparation method of the electronic cigarette oil comprises the following steps:
preparing nicotine salt of carnosic acid: weighing nicotine and carnosic acid according to a weight ratio of 1:0.03 respectively, fully stirring at normal temperature, uniformly mixing to obtain a solution A, dissolving the solution A in 0.5 part of propylene glycol to obtain a transparent solution, and adding the transparent solution into the obtained transparent solution according to the weight ratio: benzoic acid is 1: adding benzoic acid at a ratio of 0.4, heating and stirring at 130 deg.C with stirring speed of 400r/min and reflux ratio of 2:1, refluxing for 2 hr, and cooling to room temperature to obtain nicotine salt of carnosic acid;
preparing electronic cigarette oil: mixing the prepared nicotine salt of carnosic acid, 1 part of tobacco essence, 7 parts of deionized water, 40 parts of propylene glycol and 10 parts of glycerol, and stirring at room temperature for 50min to obtain the electronic cigarette oil.
Example 4
The antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 40 parts of nicotine, 2 parts of carnosic acid, 28 parts of malic acid, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol.
The preparation method of the electronic cigarette oil comprises the following steps:
preparing nicotine salt of carnosic acid: weighing nicotine and carnosic acid according to a weight ratio of 1:0.05, respectively, fully stirring at normal temperature, uniformly mixing to obtain a solution A, dissolving the solution A in 0.35 parts of propylene glycol to obtain a transparent solution, and adding the transparent solution into the obtained transparent solution according to a weight ratio of: malic acid is 1: adding malic acid at a ratio of 0.7, heating and stirring at 100 deg.C with stirring speed of 300r/min and reflux ratio of 2:1, refluxing for 2.8h, and cooling to room temperature to obtain nicotine carnosic acid salt;
preparing electronic cigarette oil: mixing the prepared nicotine salt of carnosic acid, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol, and stirring at 35 ℃ for 30min to obtain the electronic tobacco tar.
Example 5
The antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 20 parts of nicotine, 0.6 part of ursolic acid, 8 parts of benzoic acid, 1 part of tobacco essence, 7 parts of deionized water, 40 parts of propylene glycol and 10 parts of glycerol.
The preparation method of the electronic cigarette oil comprises the following steps:
preparing the ursolic acid nicotine salt: weighing nicotine and ursolic acid according to a weight ratio of 1:0.03 respectively, fully stirring at normal temperature, uniformly mixing to obtain a solution A, dissolving the solution A in 0.5 part of propylene glycol to obtain a transparent solution, and adding the transparent solution into the obtained transparent solution according to a weight ratio of: benzoic acid is 1: adding benzoic acid at a ratio of 0.4, heating and stirring at 130 deg.C with stirring speed of 400r/min and reflux ratio of 2:1, refluxing for 5h, and cooling to room temperature to obtain ursolic acid nicotine salt;
preparing electronic cigarette oil: mixing the prepared ursolic acid nicotine salt, 1 part of tobacco essence, 7 parts of deionized water, 40 parts of propylene glycol and 10 parts of glycerol, and stirring at 50 ℃ for 20min to obtain the electronic tobacco tar.
Example 6
The antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 40 parts of nicotine, 2 parts of ursolic acid, 28 parts of malic acid, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol.
The preparation method of the electronic cigarette oil comprises the following steps:
preparing the ursolic acid nicotine salt: weighing nicotine and ursolic acid according to the weight ratio of 1:0.05, respectively, fully stirring at normal temperature, uniformly mixing to obtain a solution A, dissolving the solution A in 0.35 part of propylene glycol to obtain a transparent solution, and adding the transparent solution into the obtained transparent solution according to the weight ratio of: malic acid is 1: adding malic acid at a ratio of 0.7, heating at 85 deg.C under stirring at a speed of 500r/min and a reflux ratio of 2:1 for 1.5h, and cooling to room temperature to obtain ursolic acid nicotine salt;
preparing electronic cigarette oil: mixing the prepared ursolic acid nicotine salt, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol, and stirring for 50min at 25 ℃ to obtain the electronic tobacco tar.
Example 7
The antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 40 parts of nicotine, 0.8 part of rosmarinic acid, 1.4 parts of carnosic acid, 16 parts of benzoic acid, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol.
The preparation method of the electronic cigarette oil comprises the following steps:
preparing mixed nicotine salt of rosmarinic acid and carnosic acid: weighing nicotine, rosmarinic acid and propylene glycol according to the weight ratio of 1:0.02:0.5, respectively, fully stirring at normal temperature, and uniformly mixing to obtain a transparent solution A; weighing nicotine and carnosic acid according to the weight ratio of 1:0.035, respectively, fully stirring at normal temperature, uniformly mixing to obtain a solution B, dissolving the solution B in 0.5 part of propylene glycol to obtain a transparent solution C, and uniformly mixing the transparent solution A and the transparent solution C to obtain a transparent solution D; in the obtained transparent solution D, the weight ratio of the transparent solution D: benzoic acid is 1: adding benzoic acid at a ratio of 0.4, heating and stirring at 130 deg.C with stirring speed of 400r/min and reflux ratio of 2:1, refluxing for 2 hr, and cooling to room temperature to obtain mixed nicotine salt of rosmarinic acid and carnosic acid;
preparing electronic cigarette oil: mixing the prepared rosmarinic acid and carnosic acid mixed nicotine salt, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol, and stirring at 35 ℃ for 30min to obtain the electronic cigarette oil.
Example 8
The antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 40 parts of nicotine, 0.8 part of rosmarinic acid, 1.4 parts of carnosic acid, 16 parts of benzoic acid, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol.
The preparation method of the electronic cigarette oil comprises the following steps:
preparing rosmarinic acid and ursolic acid mixed nicotine salt: weighing nicotine, rosmarinic acid and propylene glycol according to the weight ratio of 1:0.02:0.5, respectively, fully stirring at normal temperature, and uniformly mixing to obtain a transparent solution A; weighing nicotine and ursolic acid according to the weight ratio of 1:0.035, respectively, fully stirring at normal temperature, uniformly mixing to obtain a solution B, dissolving the solution B in 0.5 part of propylene glycol to obtain a transparent solution C, and uniformly mixing the transparent solution A and the transparent solution C to obtain a transparent solution D; in the obtained transparent solution D, the weight ratio of the transparent solution D: benzoic acid is 1: adding benzoic acid at a ratio of 0.4, heating and stirring at 130 deg.C with stirring speed of 400r/min and reflux ratio of 2:1, refluxing for 2 hr, and cooling to room temperature to obtain mixed nicotine salt of rosmarinic acid and ursolic acid;
preparing electronic cigarette oil: mixing the prepared rosmarinic acid and ursolic acid mixed nicotine salt, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol, and stirring at 35 ℃ for 30min to obtain the electronic cigarette oil.
Example 9
The antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 40 parts of nicotine, 1.2 parts of carnosic acid, 2 parts of ursolic acid, 16 parts of benzoic acid, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol.
The preparation method of the electronic cigarette oil comprises the following steps:
preparing a mixed nicotine salt of carnosic acid and ursolic acid: weighing nicotine and carnosic acid according to a weight ratio of 1:0.03 respectively, fully stirring at normal temperature, uniformly mixing to obtain a solution A1, dissolving the solution A1 in 0.5 part of propylene glycol to obtain a transparent solution B1, and uniformly mixing the transparent solution A1 and the transparent solution B1 to obtain a transparent solution C1; weighing nicotine and ursolic acid according to the weight ratio of 1:0.05, respectively, fully stirring at normal temperature, uniformly mixing to obtain a solution A2, dissolving the solution A2 in 0.5 part of propylene glycol to obtain a transparent solution B2, and uniformly mixing the transparent solution A2 and the transparent solution B2 to obtain a transparent solution C2; and (3) uniformly mixing the transparent solution C1 and the transparent solution C2 to obtain a transparent solution D, wherein the weight ratio of the transparent solution D to the transparent solution D is as follows: benzoic acid is 1: adding benzoic acid at a ratio of 0.4, heating and stirring at 130 deg.C with stirring speed of 400r/min and reflux ratio of 2:1, refluxing for 2 hr, and cooling to room temperature to obtain mixed nicotine salt of carnosic acid and ursolic acid;
preparing electronic cigarette oil: mixing the prepared mixed nicotine salt of carnosic acid and ursolic acid, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol, and stirring at 35 ℃ for 30min to obtain the electronic cigarette oil.
Example 10
The antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 40 parts of nicotine, 0.6 part of rosmarinic acid, 1.6 parts of carnosic acid, 2 parts of ursolic acid, 16 parts of benzoic acid, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol.
The preparation method of the electronic cigarette oil comprises the following steps:
preparing mixed nicotine salt of rosmarinic acid, carnosic acid and ursolic acid: weighing nicotine, rosmarinic acid and propylene glycol according to the weight ratio of 1:0.015:0.5, respectively, fully stirring at normal temperature, and uniformly mixing to obtain a transparent solution A1; weighing nicotine and carnosic acid according to a weight ratio of 1:0.04, respectively, fully stirring at normal temperature, uniformly mixing to obtain a solution A2, dissolving the solution A2 in 0.5 part of propylene glycol to obtain a transparent solution B2, and uniformly mixing the transparent solution A2 and the transparent solution B2 to obtain a transparent solution C2; weighing nicotine and ursolic acid according to the weight ratio of 1:0.05, respectively, fully stirring at normal temperature, uniformly mixing to obtain a solution A3, dissolving the solution A3 in 0.5 part of propylene glycol to obtain a transparent solution B3, and uniformly mixing the transparent solution A3 and the transparent solution B3 to obtain a transparent solution C3; uniformly mixing the transparent solution A1, the transparent solution C2 and the transparent solution C3 to obtain a transparent solution D, wherein the weight ratio of the transparent solution D to the transparent solution D is as follows: benzoic acid is 1: adding benzoic acid at a ratio of 0.4, heating and stirring at 130 deg.C with stirring speed of 400r/min and reflux ratio of 2:1, refluxing for 2 hr, and cooling to room temperature to obtain mixed nicotine salt of rosmarinic acid, carnosic acid and ursolic acid;
preparing electronic cigarette oil: mixing the prepared rosmarinic acid, carnosic acid and ursolic acid mixed nicotine salt, 5 parts of tobacco extract, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol, and stirring at 35 ℃ for 30min to obtain the electronic cigarette oil.
Example 11
The antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 70 parts of nicotine, 1.4 parts of rosmarinic acid, 2.45 parts of carnosic acid, 2.8 parts of ursolic acid, 10 parts of benzoic acid, 1 part of tobacco essence, 7 parts of deionized water and 20 parts of propylene glycol.
The preparation method of the electronic cigarette oil comprises the following steps:
preparing mixed nicotine salt of rosmarinic acid, carnosic acid and ursolic acid: weighing nicotine, rosmarinic acid and propylene glycol according to the weight ratio of 1:0.02:0.5, respectively, fully stirring at normal temperature, and uniformly mixing to obtain a transparent solution A1; weighing nicotine and carnosic acid according to a weight ratio of 1:0.035, respectively, fully stirring at room temperature, uniformly mixing to obtain a solution A2, dissolving the solution A2 in 0.5 part of propylene glycol to obtain a transparent solution B2, and uniformly mixing the transparent solution A2 and the transparent solution B2 to obtain a transparent solution C2; weighing nicotine and ursolic acid according to the weight ratio of 1:0.04, respectively, fully stirring at normal temperature, uniformly mixing to obtain a solution A3, dissolving the solution A3 in 0.5 part of propylene glycol to obtain a transparent solution B3, and uniformly mixing the transparent solution A3 and the transparent solution B3 to obtain a transparent solution C3; uniformly mixing the transparent solution A1, the transparent solution C2 and the transparent solution C3 to obtain a transparent solution D, wherein the weight ratio of the transparent solution D to the transparent solution D is as follows: benzoic acid is 1: adding benzoic acid at a ratio of 0.4, heating and stirring at 130 deg.C with stirring speed of 400r/min and reflux ratio of 2:1, refluxing for 2 hr, and cooling to room temperature to obtain mixed nicotine salt of rosmarinic acid, carnosic acid and ursolic acid;
preparing electronic cigarette oil: mixing the prepared rosmarinic acid, carnosic acid and ursolic acid mixed nicotine salt, 1 part of tobacco essence, 7 parts of deionized water and 20 parts of propylene glycol, and stirring at 50 ℃ for 40min to obtain the electronic cigarette oil.
Example 12
The antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 10 parts of nicotine, 0.25 part of rosmarinic acid, 0.3 part of carnosic acid, 0.35 part of ursolic acid, 40 parts of benzoic acid, 5 parts of tobacco essence, 15 parts of deionized water and 50 parts of propylene glycol.
The preparation method of the electronic cigarette oil comprises the following steps:
preparing mixed nicotine salt of rosmarinic acid, carnosic acid and ursolic acid: weighing nicotine, rosmarinic acid and propylene glycol according to the weight ratio of 1:0.025:0.5, respectively, fully stirring at normal temperature, and uniformly mixing to obtain a transparent solution A1; weighing nicotine and carnosic acid according to a weight ratio of 1:0.03 respectively, fully stirring at normal temperature, uniformly mixing to obtain a solution A2, dissolving the solution A2 in 0.5 part of propylene glycol to obtain a transparent solution B2, and uniformly mixing the transparent solution A2 and the transparent solution B2 to obtain a transparent solution C2; weighing nicotine and ursolic acid according to the weight ratio of 1:0.035, respectively, fully stirring at normal temperature, uniformly mixing to obtain a solution A3, dissolving the solution A3 in 0.5 part of propylene glycol to obtain a transparent solution B3, and uniformly mixing the transparent solution A3 and the transparent solution B3 to obtain a transparent solution C3; uniformly mixing the transparent solution A1, the transparent solution C2 and the transparent solution C3 to obtain a transparent solution D, wherein the weight ratio of the transparent solution D to the transparent solution D is as follows: benzoic acid is 1: adding benzoic acid at a ratio of 0.4, heating and stirring at 130 deg.C with stirring speed of 400r/min and reflux ratio of 2:1, refluxing for 2 hr, and cooling to room temperature to obtain mixed nicotine salt of rosmarinic acid, carnosic acid and ursolic acid;
preparing electronic cigarette oil: mixing the prepared rosmarinic acid, carnosic acid and ursolic acid mixed nicotine salt, 5 parts of tobacco essence, 15 parts of deionized water and 50 parts of propylene glycol, and stirring at 25 ℃ for 30min to obtain the electronic cigarette oil.
Comparative example 1
The antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 20 parts of nicotine, 1 part of tobacco essence, 7 parts of deionized water, 40 parts of propylene glycol and 10 parts of glycerol.
Comparative example 2
The antioxidant electronic cigarette oil comprises the following raw materials in parts by weight: 40 parts of nicotine, 3 parts of tobacco essence, 10 parts of deionized water, 50 parts of propylene glycol and 10 parts of glycerol.
To further verify the antioxidant properties of the antioxidant e-liquid described herein, the antioxidant properties of examples 1, 3, 5, 7, 8, 9, 11, 1, 2 were tested; the testing method adopts a grease oxidation stability tester for testing, the experimental conditions are that the temperature is 110 ℃/120 ℃, the air flow rate is 20L/h, and the oxidation resistance is evaluated according to the induction time of the testing results.
The experimental data are shown in table one:
watch 1
Experimental results show that the antioxidant electronic cigarette oil prepared by the method can obviously improve the oxidation stability of the cigarette oil, and the color of the electronic cigarette oil can not be darkened from the color change of the electronic cigarette oil, the natural oxidation of nicotine can be inhibited, the fragrance of the electronic cigarette oil can not be changed or lightened, the essence components can be protected from being oxidized in the storage process, and through a plurality of examples, the antioxidant with a single component has a good antioxidant effect, the antioxidant effect of the combination of two antioxidants or three antioxidants is superior to that of a single component, the optimized combination proportion of the three antioxidants is rosmarinic acid (15-25), carnosic acid (30-40), ursolic acid (35-55), so that the nicotine salt prepared by the method has high antioxidant stability.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or article that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, or article. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, or article that comprises the element.
The antioxidant electronic cigarette oil and the preparation method thereof provided by the application are introduced in detail, specific examples are applied in the description to explain the principle and the implementation mode of the application, and the description of the examples is only used for helping to understand the method and the core idea of the application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. The antioxidant electronic cigarette oil is characterized by comprising the following raw materials in parts by weight: 5-20 parts of antioxidant nicotine salt, 1-5 parts of tobacco essence, 7-15 parts of deionized water, 40-60 parts of propylene glycol and 10-20 parts of glycerol.
2. The antioxidant e-liquid of claim 1, wherein the antioxidant nicotine salt comprises the following raw materials: 10-70 parts of nicotine, 0.1-3.5 parts of antioxidant, 10-50 parts of organic solvent and 10-50 parts of organic acid.
3. The antioxidant e-liquid of claim 2, wherein the antioxidant is rosemary extract, comprising one or more of rosmarinic acid, carnosic acid, and ursolic acid.
4. The antioxidant electronic cigarette liquid of claim 3, wherein the organic acid is one or a combination of benzoic acid, glutamic acid, malic acid and citric acid.
5. The antioxidant electronic cigarette liquid of claim 4, wherein the antioxidant nicotine salt comprises the following raw materials in parts by weight: 10-70 parts of nicotine, 0.1-3.5 parts of rosmarinic acid, 10-50 parts of organic solvent and 10-50 parts of benzoic acid.
6. The antioxidant electronic cigarette liquid of claim 4, wherein the antioxidant nicotine salt comprises the following raw materials in parts by weight: 10-70 parts of nicotine, 0.1-2.0 parts of rosmarinic acid, 0.1-1.5 parts of carnosic acid, 10-50 parts of organic solvent and 10-50 parts of glutamic acid.
7. The antioxidant electronic cigarette liquid of claim 4, wherein the antioxidant nicotine salt comprises the following raw materials in parts by weight: 10-70 parts of nicotine, 0.1-2.0 parts of ursolic acid, 0.1-1.5 parts of carnosic acid, 10-50 parts of organic solvent and 10-50 parts of malic acid.
8. The antioxidant electronic cigarette liquid of claim 4, wherein the antioxidant nicotine salt comprises the following raw materials in parts by weight: 10-70 parts of nicotine, 0.1-1.5 parts of rosmarinic acid, 0.1-1.5 parts of carnosic acid, 0.1-1.5 parts of ursolic acid, 10-50 parts of organic solvent and 10-50 parts of citric acid.
9. A method of preparing the antioxidant e-liquid of any of claims 1-8, comprising the steps of:
preparing an antioxidant nicotine salt: adding nicotine, an antioxidant and an organic solvent into a reaction container according to a certain weight ratio, fully stirring under a first preset condition, and uniformly mixing to obtain a first mixed solution; adding organic acid into the first mixed solution, placing the first mixed solution under a second preset condition, fully stirring the mixture, and cooling the mixture to room temperature to obtain antioxidant nicotine salt;
preparing electronic cigarette oil: the antioxidant electronic tobacco tar is prepared by mixing the antioxidant nicotine salt, the tobacco essence, deionized water and an organic solvent according to the parts by weight, and uniformly mixing and stirring the mixture at the temperature of 25-50 ℃.
10. The method for preparing the antioxidant e-liquid as claimed in claim 9, wherein the first predetermined condition is normal temperature, and the second predetermined condition is: the temperature is 60-150 ℃, the stirring speed is 200-.
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