48results about How to "Soft and delicate smoke" patented technology

The invention relates to a method for slitting, striking and redrying tobacco, which is technically characterized by comprising the following step of: cutting tobacco lead bases with minimum tensile strength, poorest physical processing resistance and poorer perception smoke panel test quality and appearance quality in the tobacco for singly cutting, striking and redrying. The method has the mainadvantages that remained non leaf base tobacco leaves are crushed to be smaller when leaves and stems are separated singly after the tobacco leaf bases are cut for being singly processed, the leaf structures are more uniform after the leaves are separated from the stems, the green and impurity content in the tobacco is reduced, thus the large-medium leaf ratio after the striking is improved, the crushing generated when the leaves are separated from the stems is reduced, the leaf yield is improved, and the purity of the tobacco is increased. After the tobacco is processed by using a slitting, striking and redrying method of the invention, the leaf base smoking quality is better, the fragrance quantity is improved, the smoke explosive force is increased, the smoking comfort is enhanced, andthe impurity gases are reduced, thus the use value of the tobacco can be improved.

The invention provides a method for preparing tobacco extract by utilizing waste and inferior tobacco leaves. The tobacco extract is prepared through the following steps: mixing tobacco powder, tobacco leaf fragments and tobacco stems in a cigarette manufacturing department and adding the mixture into an ethanol solution for extracting; decompressing and concentrating; then adding pure water and glucose in sequence; after uniformly stirring, adding cellulase and subtilisin in sequence to carry out enzymolysis; then adding the mixture subject to enzymolysis into the ethanol solution and standing; filtering with a ceramic film; and decompressing and concentrating and then carrying out molecular distillation and separation. According to the method, efficient, rapid, energy-saving and environment-friendly effects are achieved; prepared molecular distillate has a real aroma and the taste is remarkably improved; the product is used as essence and spice for cigarettes so that the aroma of the cigarettes can be obviously improved; and meanwhile, the product also has soft, fine and smooth smoke and has the effects of improving the sweet feeling of the oral cavity and improving the smoke volatility.

The invention provides a method for preparing tobacco flavor with caprylic capric triglyceride and application of the tobacco flavor to cigarette bead blasting. The preparing method mainly includes the following steps that (1) natural plant raw materials are dried, smashed and sieved to be prepared into solid powder; (2) natural plant solid powder, the caprylic capric triglyceride and a vitamin Eare subjected to heating reflux extraction, rough filtration is carried out with gauze, then filtering is carried out with a microfiltration membrane, impurities and a small quantity of un-dissolved substances are removed, and the tobacco flavor is obtained. The method is simple in technology, easy to control and low in raw material cost; a prepared flavor product has the natural, pure and harmonious fragrance characteristics, the natural feeling is high, the product quality is stable, the tobacco flavor serves as an oil-solubility content and can be directly applied to a cigarette bead blasting core material, the online forming effect of bead blasting is stable, and meanwhile the tobacco flavor has the effect of removing the content of free radicals in cigarette mainstream smoke in the cigarette burning smoking process.

The invention relates to essence, in particular to feeding essence for cut tobacco and cut stems. The feeding essence is formed by mixing the following raw material ingredients in parts by weight: 8 to 15 parts of cured tobacco extracts, 2 to 3 parts of yellow dried tobacco extracts, 3 to 8 parts of burley tobacco Maillard reaction materials, 2 to 6 parts of red data extracts, 2 to 5 parts of apple juice reaction materials, 5 to 8 parts of cloverleaf extracts, 0.5 to 2 parts of fenugreek concrete, 1 to 3 parts of plum lactic acid fermentation materials, 2 to 5 parts of hawthorn fragrant active yeast fermentation materials, 10 to 39.5 parts of water and 35 to 74.5 parts of propylene glycol. The essence solves the sensorial quality problems that the existing cut stems have insufficient fragrance, the wood foreign flavor is heavy, the stimulation is great, the sour and hot residue exists, a certain burning feeling exists, and the like. The feeding essence has the advantages that the fragrance degree is enhanced, the fruit sweet and fragrant flavor is given to the cut stems, the fragrance is slightly enriched, the softness and the fine degree are good, the irritation on the throat is small, the residue is small, the burning feeling is basically eliminated, and the sensorial quality is greatly improved.

The invention provides a preparation method for plum spice used for cigarette. The method comprises the steps that after being washed and airdried, plum fruits are dried; after smashing is conducted, plum coarse powder is obtained through ten-mesh sieve; after reflux extraction is conducted by using water, filter liquor is obtained by filtering, and a plum coarse extracting solution is obtained; after the plum coarse extracting solution is cooled down to indoor temperature, subtilisin is added, and plum enzymolysis liquid is obtained through enzymolysis; ethanol is added, and plum sedimentation liquid is obtained by stirring and sedimenting; after filtering is conducted, concentration is conducted, and n-butanol extract liquor is obtained through extraction after water and n-butanol are added; the plum spice used for the cigarette is obtained by adding propylene glycol after concentration is conducted. The plum spice is obtained by using the plum fruits, the utilization rate of a plum is improved, by means of the preparation method, environmental protection is achieved, the solvent can be reused, and the cost is lowered. At the same time, the perfume of the plum spice used for the cigarette prepared by using the method is intense and lifelike, the aroma quality of the cigarette can be improved obviously, the functions of softening of smoke, strengthening of oral sweet feeling and improving of sending performance of the smoke are achieved, and the practicality is strong.

The invention discloses a method for preparing fermented beet extract through processing a beet juice by Lactobacillus plantarum. The method comprises the following steps: preparing the beet juice, and preparing a Lactobacillus plantarum solution; inoculating the Lactobacillus plantarum solution to the beet juice, and fermenting; and filtering the obtained beet fermentation solution, separating, and carrying out reduced pressure concentration to obtain the fermented beet extract. The fermented beet extract prepared in the invention has the delicate fragrance of beet, and pleasant sweet and mellow fragrance; and the fermented beet extract is added to cigarette in order to increase the delicate fragrance of the cigarette, soften fine smoke, reduce irritation of the cigarette and reduce residues, so the quality of the cigarette is improved, and application of the beet extract in the cigarette is realized. The method is a new approach for economically, efficiently and directionally producing natural cigarette perfumes, develops novel characteristic cigarette perfumes with excellent properties, which cannot be produced through traditional perfume production methods, and increases the kind of the cigarette perfumes.

The invention relates to a perfume additive for cigarettes, and particularly relates to a perfume additive for natural citron cigarettes capable of improving aroma quality, softening and smoothing smoke, and improving aftertaste and comfort of throat, and a preparation method of the perfume additive. The preparation method comprises the following steps: respectively carrying out backflow extraction on uncaria, wild grape root and elaeagnus pungens root by using 70-95% of an alcohol solvent, respectively collecting the extracting solutions, and mixing the three extracting solutions and then adding the mixture to a mixed solvent of alcohol and propylene glycol, thus obtaining the perfume additive for natural citron cigarettes. According to the perfume additive for natural citron cigarettes, reasonable compatibility of natural perfume plants is carried out, the mixture is extracted and concentrated and then added to a cut tobacco sample, so that aroma quality is obviously improved, smoke is softened and smoothed, aftertaste is improved, mouth feeling is comfort, salivation of oral cavities can be promoted, discomfort symptoms are alleviated, and the effect of reducing harmfulness of smoking is realized.

The invention relates to a spice additive for natural cigarettes and a preparation method thereof. The preparation method comprises the following steps of: leaching golden chrysanthemum, white Hangzhou chrysanthemum and yellow Hangzhou chrysanthemum in a weight ratio of 1: 2-4: 4-8 by using 70 to 95 percent alcohol to obtain extracts of the golden chrysanthemum, the white Hangzhou chrysanthemum and the yellow Hangzhou chrysanthemum respectively, then concentrating the extracts respectively till the relative density is 1.1 to 1.2 to obtain monomer raw materials of the golden chrysanthemum, the white Hangzhou chrysanthemum and the yellow Hangzhou chrysanthemum, and dissolving the three monomer raw materials into mixed solvent of ethanol and propylene glycol to obtain the spice additive. The preparation method has the advantages that when a natural spice plant is reasonably compatible, extracted and concentrated and then added into a tobacco shred sample, the natural spice plant can obviously improve the quality of aroma, soften exquisite smoke, improve the after taste with comfortable mouthfeel, promote salivary secretion of a cavity, relieve uncomfortable symptoms of the throat, achieve the effect of relieving smoking harm, and improve the quality of the cigarettes.

The invention discloses a method for preparing tobacco flavor. The method comprises the following steps: (1) making fresh blueberry juice; (2) preparing immobilized beta-glucosidase; (3) treating the blueberry juice with the immobilized beta-glucosidase; and (4) enriching blueberry flavor substances by using a pervaporation membrane, thereby obtaining the tobacco flavor. The tobacco blueberry essential oil prepared by using the method has the characteristic blueberry incense, and has a relatively good tobacco application effect. Blueberry extracts are added into cigarette, and then functions that the fragrance of cigarette is improved, the quality of smoke is improved, the cigarette is remarkable in characteristic berry fragrance, irritation is reduced, impure smell is covered, the smoke is softened and fined, the oral comfort is improved, the after sweetness of cigarette is increased, and the like, are achieved, and when being compared with conventional blueberry extracts, the tobacco flavor has remarkable effects in improving the characteristic fragrance of cigarette and improving the taste of cigarette.

The invention discloses tobacco spice prepared by fermenting fructus holboelliae latifoliae by using microorganisms and application thereof. The fructus holboelliae latifoliae is used as a raw material; a lysobacter C8-1 is subjected to amplification culture and is used for fermenting the fructus holboelliae latifoliae; shaking culture at 30 DEG C is performed for 24 to 48h; then, through backflowextraction, filtering slag removal and supernate pressure reduction concentration, the tobacco spice is obtained. The preservation number of the bacterial strain is CGMCC 1.16271. Though microbiological characteristic analysis and 16S rRNA gene sequence analysis shows that the lysobacter is a microorganism new spice. Compared with a product without treatment in a control group, the product obtained by simultaneously fermenting the bacterial strain and the fructus holboelliae latifoliae has the advantages that the sweet and sour feeling of the cigarette is enhanced; the fluid promoting effectis obvious; the smoke gas is soft, fine and smooth; the fragrance richness is enhanced.

The invention discloses an environment-friendly unwrapped heat-not-burn naked smoke cartridge. The cartridge comprises the following components in percentage by mass, 20-60% of mixed powder, 10-20% ofporous carrier material, 10-20% of tobacco extraction mixture and 1-5% of binder. The invention further discloses a preparation method of the environment-friendly unwrapped heat-not-burn naked smokecartridge. The tobacco extract comprises the following components in percentage by weight, 10-40% of porous carrier material, 15-50% of tobacco extract mixture, 1-10% of particle aggregation inhibitorand 10-40% of binder. According to the environment-friendly unwrapped heating non-combustion naked smoke cartridge, emission of harmful substances in smoke can be effectively inhibited; meanwhile, apaper tube, a filter tip and a blocking piece needed by a traditional cigarette are not needed, the naked cigarette cartridge is adopted, production process difficulty is lowered, use of raw materialsis reduced, and the cigarette is more environmentally friendly. Compared with naked smoke cartridges, the composition has advantages of abundant smoke generation amount, good aroma quality, soft andfine smoke, no unpleasant firewood smell offensive odor, small irritation, comfortable aftertaste and better user experience.

The present invention provides filter rod center line rubber capable of slowly releasing mint flavor and a preparation process thereof, the filter rod center line rubber is prepared by mixing the following components by weight: 35-50% of original cigarette center line rubber, 15-25% of a starch solution and 35-45% of mint essence. The starch solution is prepared by dissolving modified starch into the water according to the mass ratio of 1:2-4. The product has good flow property, ideal bonding effect and suitable drying speed and other characteristics, a mint essence loading capacity in the system is high, when the is used in filter rod center line rubber cigarettes, the flavoring effect is stable, mint is significant in cool and refreshing characteristics, and clean and comfortable in remaining flavor, in the suction and absorption process, fragrance release is uniform, the fragrance is lasting, and the filter rod center line rubber is suitable for being used as an effective complementary material flavoring manner for preparation of mint cigarettes.

The invention discloses a preparation method of a fermented beet extract used for cigarettes. The preparation method comprises the following steps: firstly preparing beet juice and saccharomyces cerevisiae liquor; then inoculating the saccharomyces cerevisiae liquor into the beet juice to carry out fermentation; then carrying out filtering separation and vacuum concentration on obtained beet fermentation liquor, thus obtaining the fermented beet extract used for cigarettes. The preparation method has the beneficial effects that the prepared fermented beet extract used for cigarettes has the faint scent of beet and has pleasant sweet and mellow aroma; the faint scent of cigarettes can be increased, the delicate smoke is softened, the irritation of the cigarettes is reduced and the residues are reduced by adding the beet extract to the cigarettes, thus improving the quality of the beet extract and achieving application of the beet extract to the cigarettes; an economic and efficient new way which can be used for directionally producing natural flavors used for cigarettes is opened up, so that novel characteristic flavors used for cigarettes, which have good quality and can not be produced by traditional flavor production methods, are developed, thus increasing the category of the flavors used for cigarettes.

The invention provides a method and application of hyssop extract in tobacco preparation, the method comprises the steps of 1, grinding the hyssop into power, extracting and obtaining the reflux extraction liquid by mixing in the ratio of 1: 10-15: 0.05-0.1 the reflux of the hyssop power, an alcoholic solution 30-40% of the volume percentage and sodium chloride, by mass, and obtaining the hyssop crude extract by conducting filtration using a filtration film after the reflux extraction liquid pH value being adjusted to 5-6; 2, conducting molecular distillation of the crude hyssop extract transferred in a molecular distillation equipment from step 1, and gathering the restructured constituents; consolidating the gathered organic facies in step 3, stirring evenly the organic facies and the added anhydrous sodium sulfate then sealing tightly and laying up for 4 hours, filtering, and the filtered liquid is the hyssop extract of tobacco. The prepared extract in tobacco is applied in cigarette roll and can give the rolled cigarettes spicy and sweet charm in smell, enhances the smell quality sense, softens the smoked gas, and elevates the comfort sense.

The invention discloses a preparation method of a fermented marigold aroma-increasing humectant for cigarettes. The preparation method comprises the following steps: adding 5-15 times by volume of water into marigold inulin, carrying out ultrasonic extraction, boiling for 1-3h, cooling, and filtering to prepare a marigold extract; carrying out freeze-drying to obtain a freeze-dried marigold extract; adding 3-6 times by weight of alcohol into the freeze-dried marigold extract, precipitating and filtering to obtain a supernatant; and concentrating the supernatant to relative density of 1.132-1.356 so as to obtain the marigold aroma-increasing humectant. According to the invention, marigold is used as a raw material, a glycoside compound in marigold is obtained by ultrasonic extraction, and the glycoside compound is prevented from being decomposed during the extraction process by modes of freeze-drying, cryoconcentration and the like. The aroma-increasing humectant has functions of enriching cigarette aroma for cigarettes, increasing cigarette aroma volatility, softening and refining smoke, reducing irritating performance, improving throat comfortableness and the like.

The invention provides a preparation method of a raspberry fermenting substance for cigarette, belongs to the technical field of a cigarette, and relates to a preparation method of a perfume for cigarette. The preparation method comprises the following steps of: 1) preparing a culture medium; 2) sterilizing the culture medium; 3) configuring strains; 4) inoculating; 5) fermenting; and 6) guaranteeing the quality to obtain the raspberry fermenting substance. The raspberry fermenting substance is prepared by acetic bacteria according to the preparation method, so that the prepared raspberry fermenting substance has honey sweet fragrance and slightly has acid fragrance; and after the raspberry fermenting substance is added into the cigarette, the cigarette fragrance can be enriched, the smoke concentration can be increased, the smoke can be softened and tendered, and the cigarette pungency can be reduced. According to the preparation method, the raspberry fermenting substance is prepared by the microorganism fermentation technology, so that the problems of the cigarette residual caused by the raspberry perfume obtained by the conventional raspberry extraction technology and the unstable quality when the cigarette is stored can be improved.

The invention relates to a preparation method of composite extraction hops tincture and application. The extracts use hops as major raw materials to be promotionally subjected to mixing and material feeding with flue cured tobacco leaves, red dates and Yunnan black tea; extraction is performed to obtain the composite extraction hops tincture by using mixed solvents and an ultrasonic wave-microwave cooperated method through the steps of hops particle and other raw material preparation, ultrasonic wave-microwave cooperated extraction, concentration, alcohol precipitation freezing, centrifugation, concentration and composite extraction hops tincture obtaining. The composite extraction hops tincture is added into cigarette cut tobacco, so that the cigarette smoke is good and rich; the tobacco flavor is mild; the smoke is soft and exquisite; the obvious improvement is realized in an aspect of aftertaste comfort. Compared with a conventional hops tincture extraction method, the method provided by the invention has the advantages that the consumption of ethyl alcohol is greatly reduced; the extraction heating time is reduced; the extraction efficiency is improved; the harmony and the rich performance are obviously improved in the cigarette application; the application value and the addition quantity in the cigarette are improved. The method has the advantages that the operation is easy; no pollution is caused; a novel extraction method with a good effect is provided for the hops tincture preparation.

The invention relates to the technical field of cigarette shred processing and relates to a sweet sugar and material feeding pipe loss correcting method. The sweet sugar and material feeding pipe loss correcting method includes the steps that the sweet sugar liquid pipe loss rate of a cigarette brand to be measured is measured, an instantaneous material output signal of an electronic scale is corrected before sweet sugar and material feeding is conducted according to the matching between the online material and the sweet sugar liquid in the cigarette brand to be measured and the measured pipe loss rate, the sweet sugar liquid flow added to a pipe is supplemented, and the loss, caused by pipe inner wall adsorption, of the sweet sugar liquid is compensated; in the sweet sugar and material feeding process, due to the fact that the sweet sugar liquid concentration of the same cigarette brand is definite, the sweet sugar liquid pipe loss rate of the same cigarette brand is a definite value, the sweet sugar liquid pipe loss rate of the cigarette brand to be measured is measured, the instantaneous material output signal of an electronic scale of a sweet sugar and material feeding machine is corrected, the sweet sugar liquid flow is increased, the loss, caused by the pipe, to the sweet sugar liquid is compensated, it is guaranteed that the actual value of the sweet sugar liquid of the added batch of materials is identical to the theoretical value, it is guaranteed that cigarettes are pure in taste, the smoking smell of the cigarette is stable, the smoke is soft and fine, and the residual smell is improved.

The invention discloses a method for improving the quality of cigar tobacco leaves by utilizing cocoa medium fermentation, which comprises the following steps: uniformly mixing cocoa powder with water to obtain a cocoa medium solution; the method comprises the following steps: preparing cigar tobacco leaves, uniformly spraying a cocoa medium solution on the surfaces of the cigar tobacco leaves, then putting the cigar tobacco leaves into a gunny bag, putting the gunny bag into a constant-temperature and constant-humidity incubator, setting the fermentation humidity to be 70-80%, the temperature to be 30-40 DEG C, and carrying out fermentation for 30-40 days; and after fermentation is finished, taking out the fermented tobacco leaves and carrying out moisture balance. The cigar tobacco leaves treated by the method provided by the invention have the advantages that the aroma richness is improved, the aroma quality is improved, the sweetness and maturity are increased, the smoke is softer and finer, the aftertaste and the combustion characteristic are improved, the offensive odor and the irritation are weakened, and the aroma enhancement and the quality improvement of the cigar tobacco leaves are effectively realized.

The invention provides a preparation method of a broad bean flower extract liquid for tobacco, wherein the preparation method includes the steps of (1) drying and crushing commercial broad bean flower medicine, and sieving the medicine for later use; (2) with a citric acid water solution as an extraction solvent, performing extracting the broad bean flower powder under certain conditions, and filtering the extract to remove residues to obtain a broad bean flower primary extract liquid; and (3) performing alcohol-extraction, ceramic membrane filtration and pressure-reduced concentration to the broad bean flower primary extract liquid to obtain the broad bean flower extract liquid for tobacco. In the invention, the broad bean flower extract liquid is developed as a tobacco additive for the first time, so that the advantages of simple operation, economy and practicability, and convenience of production and conversion are achieved. The broad bean flower extract liquid, when being added to tobacco or filter tips, not only is an effect that the quality of the tobacco improved, but also the damage caused by smoking to human body can be reduced, thereby achieving potential damage reducing effect.

The invention discloses a method for preparing a fermentation type beet extract by processing beet juice with hot Acetobacterium Balch. The preparation method comprises the following steps: firstly preparing a beet juice and a hot bacteria liquid of Acetobacterium Balch; inoculating the beet juice with the hot bacteria liquid of Acetobacterium Balch for fermentation; carrying out a filtration, a separation and a vacuum concentration of obtained beet fermentation liquor, and obtaining the fermentation type beet extract. The invention is advantageous in that the fermentation type beet extract prepared by the invention has fresh, sweet and fragrant rhythm of beet with favorable acid fragrance; the beet extract can be added into cigarette, thereby increasing delicate fragrance rhythm of cigarette, softening and smoothing smoke, reducing excitant of cigarette, minimizing residual, improving quality of the beet extract, and realizing application of the beet extract in cigarette. The invention develops a new approach for economic, high efficient and orientable production of natural cigarette flavor, exploits a novel cigarette flavor with excellent quality characteristics that can not be produced according to traditional flavor production methods, and increases a new category of cigarette flavor.

The invention provides a method for preparing a crocus sativus extract with a pervaporation membrane. The preparation method specifically comprises the following steps: (1) taking dried crocus sativus and performing reflux extraction, so as to obtain crocus sativus extracting liquid; (2) concentrating the crocus sativus extracting liquid; (3) enriching aroma substances in waste liquid after concentration with the pervaporation membrane; (4) supplementing the enriched aroma substances back into concentrated solution, so as to prepare the cigarette-used crocus sativus extract. The cigarette-used crocus sativus extract prepared with the method reserves the special aroma of the crocus sativus; after the crocus sativus extract is added into a cigarette, the crocus sativus extract has the effects of increasing the volume of aroma of the cigarette, improving the smoke quality, giving fresh and sweet aroma to the cigarette, reducing stimulation, covering miscellaneous gases, enabling smoke to be gentle and fine, becoming good in comfort degree of an oral cavity, increasing the sweet feeling of the cigarette after taste, and so on; and the adaptability of the crocus sativus extract in the cigarette is enhanced.

The invention relates to the technical field of tobacco flavors and spices, and in particular, relates to honey and grapefruit composite fragrance type electronic cigarette oil and a preparation method thereof. The electronic cigarette oil comprises, in pats by mass, 0.5 to 3 parts of phenylethyl phenylacetate, 0.1 to 0.5 part of phenylacetic acid, 0.2 to 1.0 part of p-cresyl acetate, 0.5 to 3 parts of methyl phenylacetate, 0.1 to 0.5 part of menthyl acetate, 1.5 to 5.0 parts of isobutyl phenylacetate, 0.2 to 0.8 part of ethyl phenylacetate, 0.5 to 3.5 parts of damascenone, 0.2 to 0.8 part ofnatural citral, 0.5 to 3 parts of beewax absolute oil, 0.3 to 1 part of phenylamyl acetate, 0.2 to 1.0 part of vanillin, 10 to 20 parts of benzyl alcohol, 1 to 5 parts of ethyl cinnamate, 0.5 to 3 parts of isophorone oxide, 2 to 8 parts of nootkatone, 0.2 to 1.0 part of Buchu oil, 0.2 to 0.8 part of bitter apricot seed oil, 1.5 to 5.5 parts of ethyl maltol and 750 to 850 parts of propylene glycol.The electronic cigarette oil which has honey grapefruit fragrance, harmonious and natural fragrance, soft and fine smoke and comfortable taste is obtained through matching of multiple components, andthe preparation method is simple, low in cost and capable of being used for large-scale industrial production.

The invention provides a method for preparing an apple extract for cigarettes by use of immobilized saccharomyces cerevisiae. The method comprises steps as follows: (1) fresh apples are taken and juiced; (2) a saccharomyces cerevisiae suspension is prepared; (3) the saccharomyces cerevisiae is immobilized through sodium alginate-CaCl2; (4) the immobilized saccharomyces cerevisiae and apple juice are subjected to a fermentation reaction; (5) a fermented broth is filtered, a clarified fermented broth is obtained, and the apple extract is obtained after alcohol precipitation and concentration under reduced pressure. The apples are taken as a raw material, the apple juice is fermented by use of the immobilized saccharomyces cerevisiae, the high-quality apple extract for the cigarettes is obtained and has functions of enriching and volatilizing cigarette aroma, increasing sweet fruit note, promoting saliva secretion, enabling cigarette smoke to be soft and fine, relieving irritation to the throat and the like in cigarettes.

A rosemary cigarette spice and a preparing method and applications thereof are provided. The spice is prepared by cleaning fresh rosemary leaves, draining off, freeze-drying the leaves in vacuum to obtain dried leaves, performing CO2 puffing treatment in a pressure vessel, then performing CO2 supercritical extraction in a supercritical extraction device to obtain a rosemary extract product, and adding peppermint oil dementholized, menthol and damascenone into the rosemary extract product for aroma modification. The prepared spice has more volatile components, more natural, comfortable and life-like aroma and a high ester content, and can be well dissolved in an oil solvent to prepare dropping pill essence having good compatibility with a dropping pill cover material. After the prepared dropping pills are added into cigarettes and broken with fingers, the dropping pills are harmonious with the original aroma of tobacco, cigarette smoke is soft and fine and sensory comfort of cigarettesis improved, and an effect of removing free radicals in main stream smoke of cigarettes in a cigarette burning process is achieved.