42results about How to "There is no problem of toxic reagent residue" patented technology

The invention discloses a preparation method of a sugar cane juice Maillard reaction product. The method comprises the steps of cleaning, squeezing, filtering, enzymatic hydrolysis, concentrating, reacting and the like. Sugar cane is subjected to cleaning, squeezing, filtering, enzymatic hydrolysis and concentrating, and undergoes a Maillard reaction with proline at the temperature of 110-130 DEG C. The prepared sugar cane juice Maillard reaction product is uniformly sprayed onto tobacco shreds in a cigarette feeding procedure, so that the sweet flavor of cigarettes is highlighted, the smoking quality and feel comfort of the cigarettes are improved, the fragrance of the cigarettes is improved remarkably, the aftertaste is improved, and the irritation and offensive odor are reduced greatly. The product is low in cost, is simple in process, is high in safety, and is worthy of industry-wide popularization and application.

The invention discloses a preparation method of a roasted potato spice. The preparation method comprises the following steps: cleaning and peeling, crushing and pulping, pressure-reduced filtration, yeast fermentation, high-temperature baking, homogeneous emulsification and the like, i.e., the method comprises the following steps: performing cleaning and peeling, crushing and pulping, pressure-reduced filtration and yeast fermentation treatment on potatoes, performing high-temperature baking at 60-350 DEG C, and then performing homogeneous emulsification by virtue of a colloid grinder. The prepared roasted potato spice disclosed by the invention is uniformly sprayed on cut tobaccos in a cigarette feeding process, and the 'baking fragrance' notes of the cigarettes can be showed, so that the smoking quality and sensory comfort level of the cigarettes can be improved, the aroma of the cigarettes can be significantly increased, the aftertaste can be improved, and the irritation and miscellaneous odors also can be relatively greatly reduced. The product disclosed by the invention is low in cost, simple in process and high in safety, and is worthy of popularization and application in the whole industry.

The invention discloses a preparation method of siraitia grosvenorii essence. The preparation method of the siraitia grosvenorii essence comprises steps as follows: grinding and sieving, primary reflux extraction, enzymolysis with additional enzyme, high-temperature baking with additional amino acid, secondary filtering extraction, tertiary Soxhlet extraction, combination, concentration and solvent removal and the like, and then the siraitia grosvenorii essence is obtained. The process is safe and sanitary, the cost is low, a siraitia grosvenorii essence product is pure, the siraitia grosvenorii essence product is uniformly sprayed to tobacco shreds through a cigarette flavoring procedure, so that the flavor of braked sweet of the cigarettes can be prominent, the body fluid regenerating function and the sweet aftertaste of cigarette products are realized, and sucking quality and sense comfort level are improved.

The invention belongs to the technical field of thin cigarette filter stick production and particularly relates to a strawberry-flavored cellulose acetate tow and application of the tow in thin cigarettes. The cross section shape of the cellulose acetate tow is Y-shaped, the specification requirements of the tow are that single denier is 6.0-11.0, and the total denier is 15000-17000. In the manufacturing process of the strawberry-flavored cellulose acetate tow, before the tow is fed into a crimping machine from a spinning nozzle, oiling is performed through a strawberry-flavored essence oil system, wherein the mass proportion of strawberry-flavored essence added in the oil system is not less than 0 but does not exceed 5%. The smoking effect of the thin cigarettes can be specifically and remarkably improved by changing an aroma enhancement mode and an aroma enhancement way, and an improvement effect is obvious. Therefore, the tow has the better application value and popularization and application significance on design, development and production selling of new thin cigarettes.

The invention discloses a preparation method of roasted pumpkin essence. The preparation method comprises steps as follows: pumpkins with peel and seeds removed are mixed with water and pulped, the pulp is filtered under reduced pressure, active dry yeast is added to a filtrate, and a nutrient solution is obtained; the nutrient solution is concentrated under the reduced pressure and steamed and distilled for 1-6 h at the temperature of 100-240 DEG C, fraction produced in the stage is collected, and the roasted pumpkin essence is obtained. The preparation process is simple, the cost is low, the obtained roasted pumpkin essence is uniformly sprayed to tobacco shreds in a cigarette flavoring procedure, roast sweetness or charring sweetness of the cigarettes can be highlighted, the smoking quality of the cigarettes and the comfort degree of sense organs are improved, and the preparation method is worth popularization and application in the whole industry.

The invention belongs to the technical field of fine-count cigarette filter stick production, and particularly relates to an apple flavored acetate fiber tow and application thereof in fine-count cigarettes. The cross section of the acetate fiber tow is in a Y shape. According to the requirement for the specifications of the tow, the single denier is 6.0-11.0 den, and the total denier is 15,000-17,000 den. According to the preparation process of the apple flavored acetate fiber tow, before the tow enters a crimping machine after being sprayed from a spinning nozzle, an oiling agent system with apple flavored essence is oiled; the mass ratio of the added apple flavored essence in the oiling agent system is not smaller than 0 and not larger than 5%. By changing the flavor adding mode and the flavor adding way, the smoking effect of the fine-count cigarettes can be remarkably improved specifically, the improvement effect is obvious, and then, the good application value and popularization and application significance are achieved for novel fine-count cigarette design, development, production and sales.

The invention belongs to the technical field of fine cigarette filter stick production, and particularly relates to an agilawood essence for incense lines in fine filter sticks and application thereof. The agilawood essence is prepared from, 2.0-5.0% of agilawood oil, 2.0-5.0% of cedar oil, 2.0-5.0% of of cedrol, 0.5-1.0% of vetivert oil, 0.2-0.5% of linalool, 0.2-0.5% of vanillin, 0.2-0.5% of maltol and 82.5-92.9% of caprylic capric triglycerride. According to the agilawood essence for the incense lines in the fine cigarettes with special fragrance, in the combination of the improvement of the structures of the fine cigarette filter sticks, the smoking effect of fine cigarettes can be better improved, the improvement effect is obvious, the agilawood essence has a good practical value, enriches the types of the cigarette products and has better demonstration, popularization and application significance on the design, development, production and sales of the novel fine cigarettes.

The invention discloses a preparation method of longan essence. The method comprises steps as follows: longan pulp is smashed and pulped, reduced pressure filtration and reduced pressure concentrationare performed, a sugar source and an ammonia source are added to concentrated juice, the mixture is subjected to a reaction at the temperature of 100-180 DEG C for 1-5 h, an organic solvent with thevolume being 3-10 times that of the mixture is added, the mixture is subjected to heating reflux for extraction at the temperature of 45-80 DEG C for 1-4 h; primary and secondary molecular distillation is performed on an extracting solution under certain conditions, and a light phase obtained through evaporation is the longan essence. The preparation process is simple, the cost is low, the obtained longan essence is uniformly sprayed to cut tobaccos through a cigarette flavoring procedure, the baked sweet or scorched sweet fragrance of cigarettes can be highlighted, the smoking quality and thesensory comfort of the cigarettes are improved, and the longan essence is worth popularization and application in the whole industry.

The invention discloses a mango essence preparation method, which comprises: breaking and beating mango flesh, carrying out pressure reducing filtration, carrying out pressure reducing concentration,adding a sugar source and an ammonia source to the concentrated juice, carrying out a reaction for 1-5 h at a temperature of 100-180 DEG C, adding 3-10 times volume of an organic solvent, carrying outheating reflux extraction for 1-4 h at a temperature of 45-80 DEG C, and carrying out first-stage molecular distillation and second-stage molecular distillation on the extraction solution under a certain condition, wherein the light phase obtained through the distillation is the mango essence. According to the present invention, the preparation method has advantages of simple preparation processand low cost; and the obtained mango essence is uniformly sprayed onto the cut tobacco through the cigarette flavoring process, such that the baking sweetness or coking sweetness flavor of the cigarette can be achieved, the smoking quality and the sensory comfort of the cigarette can be improved, and the process is worthy of being promoted throughout the industry.

The invention discloses a preparation method of litchi essence. The preparation method of the litchi essence comprises the following steps: 1) mixing litchi pulp and water to prepare litchi thick liquid, and filtering the litchi thick liquid under reduced pressure to obtain filtrate; 2) adding active dry yeast in an amount which is 0.05 to 0.5 percent of the mass of the filtrate into the filtrate, and cultivating at 30 to 45 DEG C for 1 to 5 hours to obtain culture liquid; 3) evaporating the culture liquid to dryness at 60 to 80 DEG C, and baking at high temperature of 100 to 160 DEG C for 2 to 4 hours to obtain a baked litchi flavor substance; 4) adding 80 to 90 percent by volume of ethanol solution into the baked litchi flavor substance, and refluxing at 70 to 90 DEG C for 2 to 4 hours to obtain extracting liquid; and 5) concentrating the extracting liquid under reduced pressure to obtain the litchi essence, wherein the dry substance content of the litchi substance is 10 to 20 percent by weight. The cost of the litchi essence is low, the process is simple, and the litchi essence is sprayed on cut tobaccos uniformly by a cigarette perfuming procedure, so the baking sweetness of the cigarette can be highlighted, and the smoking quality and the sensory comfort level are improved.

The invention discloses a preparation method of Nelumbo nucifera Gaertn essence. The preparation method comprises the steps of: performing crushing and mashing on Nelumbo nucifera Gaertn, performing filtration and concentration under reduced pressure, adding a sugar source and an amine source into concentrated liquor, performing a reaction at 100-180 DEG C for 1-5 hours, then adding 3-10 volume times of an organic solvent, and performing heating reflux extraction at 45-80 DEG C for 1-4 hours; and performing primary molecular distillation and secondary molecular distillation on the extracted liquor under certain conditions so as to obtain a distilled light phase which is the Nelumbo nucifera Gaertn essence. The preparation method has the advantages of a simple preparation process and low cost, and after the obtained Nelumbo nucifera Gaertn essence is evenly sprayed onto pipe tobacco through a cigarette flavoring process, flavor of baked sweet or coked sweet of the cigarettes can be highlighted, so that the smoking quality and sensory comfort of the cigarettes are improved; therefore, the preparation method is worthy of promotion for application throughout the industry.

The invention discloses a method for preparing a Maillard reaction product of sugarcane juice, which comprises the steps of cleaning, squeezing, filtering, enzymatic hydrolysis, concentration and reaction. After the sugarcane is cleaned, squeezed, filtered, enzymatic and concentrated, Maillard reaction with proline at 110-130°C is sufficient. The Maillard reaction product of sugarcane juice prepared by the present invention is evenly sprayed onto shredded tobacco in the cigarette feeding process, highlighting the "roasted sweet" aroma of cigarettes, thereby improving its smoking quality and sensory comfort, significantly improving cigarette aroma and improving aftertaste, Irritation and miscellaneous gas are also greatly reduced. The product of the invention has low cost, simple process and high safety, and is worthy of popularization and application in the whole industry.

The invention belongs to the technical field of fine cigarette filter stick production, in particular relates to a patent application of waxberry scented acetate tow and its application in fine cigarettes. The cross-section of the acetate tow is a Y shape, the tow specifications are: a single den is 6.0den-11.0den, a total den is 15000den-17000den; in the preparation process of the waxberry scented acetate tows, the tows after spinning out from a thread sprinkling mouth and before entering a crimping machine, are oiled through an oil solution system added with a waxberry scented flavor; the mass ratio of the added waxberry scented flavor in the oil solution system is no less than 0 but no more than 5%. By way of aroma enhancement and change of aroma enhancement approach, the smoke effect of the fine cigarette can be specifically improved significantly through the application, and the improvement effect is evident, and the design, development, production and marketing of new fine cigarettes have better application value and promotion and application significances.

The invention discloses a preparation method of persimmon essence. The preparation method comprises the following steps: crushing and pulping persimmons, and performing vacuum filtration and vacuum concentration; adding a sugar source and an ammonia source to the concentrated juice, and then, performing reaction for 1-5h at 100-180 DEG C; adding 3-10 volumes of an organic solvent, and performing heating reflux extraction for 1-4h at 45-80 DEG C; and performing primary molecular distillation and secondary molecular distillation on the extract under certain conditions to obtain a distilled lightphase, namely the persimmon essence. The method disclosed by the invention is simple in preparation technology and low in cost; and the obtained persimmon essence is uniformly sprayed on shredded tobaccos through a cigarette flavoring process to highlight the 'roasted sweet' or 'parched sweet' fragrance of the cigarettes and improve the cigarette smoking quality and the sensory comfort, so that the method is worthy of being popularized and applied in the whole industry.

A preparing method of baked corn essence is disclosed. The method includes adding water into corn, pulping, adding amylase, hydrolyzing, heating and concentrating under vacuum, reacting by roasting at a high temperature, extracting with a Soxhlet extraction process, adsorbing with macroporous resin, and removing a solvent to obtain the baked corn essence. The baked corn essence is safe, sanitary, low in cost and high in product purity. Prominence is given to baked sweet or coked sweet aroma of cigarettes through evenly spraying the baked corn essence on cut tobacco through a cigarette aroma increasing process, thus improving smoking quality and the sense comfort level.

The invention discloses a preparation method of a water chestnut juice Maillard reaction product. The preparation method specifically comprises the following steps: 1) mixing water chestnuts and water to prepare water chestnut pulp; decompressing the water chestnut pulp and filtering to obtain filtrate; 2) centrifuging the filtrate and collecting a supernatant; adding amylase and carrying out enzymolysis at 50 DEG C to 80 DEG C under a water-bath condition for 1h to 4h; after carrying out the enzymolysis, heating in a water bath at 85 DEG C to 95 DEG C for 30min to 60min to obtain enzymolysis liquid; 3) decompressing and concentrating the enzymolysis liquid until no water exists, so as to obtain water chestnut juice zymolyte; 4) after mixing the water chestnut juice zymolyte, propylene glycol and amino acid, heating and refluxing for 1h to 5h; cooling to 20 DEG C to 30 DEG C to obtain the water chestnut juice Maillard reaction product. The water chestnut juice Maillard reaction product prepared by the preparation method is uniformly sprayed on cut tobaccos through a cigarette feeding procedure and a cured sweet flavor of cigarettes is highlighted, so that the smoking quality and the sensory comfort are improved; the flavor of the cigarettes is remarkably improved and the aftertaste is improved; the irritation and odor are also greatly reduced; the water chestnut juice Maillard reaction product is worthy of being popularized and applied in all industries.

The invention discloses a preparation method of peach essence. The preparation method comprises the following steps: crushing and pulping peeled and stone-removed peaches, decompressing and filtering,decompressing and concentrating, adding a sugar source and an ammonia source into concentrated juice and reacting at 100 to 180 DEG C for 1 to 5h; then adding 3 to 10 times the volumes of an organicsolvent and heating, refluxing and extracting for 1 to 4h under the condition that the temperature is 45 to 80 DEG C; carrying out first-grade and second-grade molecular distillation on an extractingsolution under a certain condition, wherein an evaporated light phase is the peach essence. The preparation method disclosed by the invention has the advantages of simple preparation technology and low cost; the obtained peach essence is uniformly sprayed on cut tobaccos through a cigarette flavoring procedure, and a baked sweet or burnt sweet aroma of cigarettes can be highlighted; the smoking quality and the sensory comfort of the cigarettes are improved, so that the peach essence is worthy of being popularized and applied in all industries.

The invention discloses a preparation method of starfruit essence. The preparation method comprises the following steps: crushing and pulping peeled and stone-removed starfruits, decompressing and filtering, decompressing and concentrating, adding a sugar source and an ammonia source into concentrated juice and reacting at 100 to 180 DEG C for 1 to 5h; then adding 3 to 10 times the volumes of an organic solvent and heating, refluxing and extracting for 1 to 4h under the condition that the temperature is 45 to 80 DEG C; carrying out first-grade and second-grade molecular distillation on an extracting solution under a certain condition, wherein an evaporated light phase is the starfruit essence. The preparation method disclosed by the invention has the advantages of simple preparation technology and low cost; the obtained starfruit essence is uniformly sprayed on cut tobaccos through a cigarette flavoring procedure, and a baked sweet or burnt sweet aroma of cigarettes can be highlighted;the smoking quality and the sensory comfort of the cigarettes are improved, so that the starfruit essence is worthy of being popularized and applied in all industries.

The invention belongs to the technical field of production of fine-count cigarette filter rods, and particularly relates to royal jelly fragrance for fragrance lines in fine-count filter rods and application thereof. The fragrance is prepared from, by mass, 5.0-8.0% of honey absolute oil, 1.0-3.0% of bergamot oil, 1.0-2.0% of phenethyl acetate, 2.0-6.0% of ethyl acetate, 1.0-2.0% of phenylacetic acid, 2.0-4.0% of phenethyl alcohol, 2.0-4.0% of vanillin, 0.5-1.0% of beta-damascenone and 70.0-85.5% of caprylic capric triglyceride. The royal jelly fragrance with special fragrance for the fragrance lines in fine-count cigarettes is provided, meanwhile, by matching with improvement of the structures of the fine-count cigarette filter rods, the smoking effect of the fine-count cigarettes can beimproved better, the improvement effect is remarkable, and the fragrance has the practical value.

The invention belongs to the technical field of fine cigarette filter stick production, and particularly relates to a cinnamon essence for incense lines in fine filter sticks and application thereof.The cinnamon essence is prepared from, by mass, 10.0-15.0% of cinnamon oil, 1.0-2.0% of cinnamon leaf oil, 0.5-1.0% of cinnamyl acetate, 0.5-1.0% of acetic acid, 0.2-0.5% of eugenol, 0.2-0.5% of linalool and 80.0-87.6% of caprylic capric triglycerride. According to the cinnamon essence for the incense lines in the fine cigarettes with special fragrance, in the combination of the improvement of thestructures of the fine cigarette filter sticks, the smoking effect of the fine cigarettes can be better improved, the improvement effect is obvious, the cinnamon essence has a good practical value, enriches the types of the cigarette products and has better demonstration, popularization and application significance on the design, development, production and sales of the novel fine cigarettes.

The invention discloses a preparation method of natural plant essence. The preparation method includes the steps that natural plant raw materials are broken and pulped and subjected to vacuum filtration and vacuum concentration, after a sugar source and an ammonia source are added to condensed juice, the material reacts at the temperature of 100-180 DEG C for 1-5 h, an organic solvent at the 3-10-fold volume is added, and heating reflux extraction is carried out at the temperature of 45-80 DEG C for 1-4 h; an extracting solution is subjected to primary and secondary molecular distillation under certain conditions, and the distilled light phase is the natural plant essence. The preparation process is simple, the cost is low, the obtained natural plant essence is evenly sprayed to cut tobacco through the cigarette flavoring procedure, the baking sweet or burning sweet fragrance of the cigarettes can be highlighted, the smoking quality and the sense organ comfort of the cigarettes are improved, and the natural plant essence is worthy of being applied and popularized to the whole industry.

The invention discloses a preparation method of sweet orange peel powder. The method includes the following steps of separation, drying, crushing, screening, forming and the like. An oil cell layer isseparated from the sweet orange peel, sweet orange peel powder with a certain particle size can be prepared after drying, crushing and sieving, and a cigarette filter rod containing the sweet orangepeel powder can be prepared through filter rod molding and processing. The prepared sweet orange peel powder and cigarette filter rod can make cigarettes full of the fragrance of sweet oranges, the aroma richness of the cigarettes is increased, and the smoking quality and the sensory comfort of the cigarettes are improved. The product is low in cost, the process is simple, the safety is high, andthe sweet orange peel powder is worth application and popularization in the whole industry.

The invention discloses a preparation method of common yam rhizome essence. The method comprises the following steps: performing crushing beating on common yam rhizomes, performing reduced-pressure filtration, performing reduced-pressure concentration, adding a sugar source and an ammonia source into a concentrated juice, performing a reaction at the temperature of 100-180 DEG C for 1-5 h, addingan organic solvent with the volume 3-10 times of that of the reaction product, and performing heating reflux extraction under the temperature condition of 45-80 DEG C for 1-4 h; and performing primarymolecular distillation on an extraction liquid under certain conditions, and performing secondary molecular distillation, wherein the distilled light phase is the common yam rhizome essence. The preparation method provided by the invention has a simple preparation process and low costs, and the obtained common yam rhizome essence is uniformly sprayed onto cut tobaccos through a cigarette scentingprocess, so that the baked sweetness or burnt sweetness fragrance of the cigarettes can be highlighted, the smoking quality and sensory comfort of the cigarettes can be improved, and the method is worthy to be promoted and applied in the whole industry.

The invention belongs to the technical field of production of thin cigarette filter sticks, and particularly relates to a fennel essence for incense lines in thin filter sticks and application thereof. The fennel essence is prepared from, by mass, 10.0-15.0% of star anise oil, 3.0-5.0% of fennel sweet oil, 2.0-5.0% of anise camphor, 0.2-0.5% of p-allylanisole esdragol, 0.2-0.5% of eugenol, 0.1-0.2% of linalool, 1.0-2.0% of lemon oil and 71.8-83.5% of caprylic capric triglycerride. By means of the fennel essence for the incense lines in the thin filter sticks with special scents, in cooperationwith the improvement of the structures of the thin cigarette filter sticks, the smoking effect of thin cigarettes can be well improved, the improvement effect is obvious, and the fennel essence enriches the types of cigarette products and has good demonstration, popularization and application significance on the design, development, production and sales of the novel thin cigarettes.

The invention discloses a preparation method of roasted yam spice, which comprises washing and peeling, crushing and beating, decompression filtration, yeast fermentation, high-temperature baking and supercritical CO 2 Extraction and other steps, after cleaning and peeling, crushing and beating, vacuum filtration, and yeast fermentation, the foot plantain potatoes are baked at a temperature of 100-220°C, and then passed through supercritical CO 2 Just extract. The roasted yam spice prepared by the method of the present invention is evenly sprayed on the shredded tobacco in the cigarette feeding process, highlighting the "roasted fragrance" aroma of the cigarette, thereby improving its smoking quality and sensory comfort, significantly improving the cigarette aroma, improving the aftertaste, and stimulating The smoke and miscellaneous gas are also greatly reduced, and can be used as a new type of tobacco flavor in the whole industry. In addition, the product of the invention has low cost, simple process and high safety.

The invention discloses a preparation method of cassava essence. The preparation method of the cassava essence comprises the following steps: crushing and pulping cassava, filtering under reduced pressure, concentrating under reduced pressure, adding a sugar source and an ammonia source into the concentrated juice, reacting at 100 to 180 DEG C for 1 to 5 hours, adding an organic solvent in volumewhich is 3 to 10 times that of the concentrated juice and performing heating reflux extraction at 45 to 80 DEG C for 1 to 4 hours; and performing primary and secondary molecular distillation on the extracting liquid under a certain condition, wherein the distilled light phase is the cassava essence. The preparation process is simple and the cost is low; and the obtained cassava essence is sprayedon cut tobacco uniformly through a tobacco flavoring process, so the baked sweet and scorched sweet flavors of the tobacco can be highlighted, the smoking quality of the tobacco can be improved, the sensory comfort level can be increased, and the cassava essence is worthy of all-industry popularization and application.

The invention discloses a preparation method of jicama essence, which comprises the steps of washing and peeling, crushing and beating, filtering under reduced pressure, enzymolysis of starch, high-temperature reaction, simultaneous distillation and extraction, and the like. The jicama flavor prepared by the method of the present invention is evenly sprayed on shredded tobacco according to the requirements of cigarette production, which can highlight the "sweet roasted" or "sweet burnt" aroma of cigarettes, improve its smoking quality and sensory comfort, and significantly improve the cigarette aroma and aftertaste. Improvement, irritation and miscellaneous gas are also greatly reduced. The product of the invention has low cost, simple process and high safety, and is worthy of popularization and application in the whole industry.

The invention discloses a preparation method of sweet orange peel powder, which comprises the steps of separation, drying, crushing, sieving and molding. The oil cell layer is separated and taken out from the sweet orange peel, and after drying, crushing and sieving, it can be Sweet orange peel powder in a certain particle size range is prepared, and processed through a filter rod forming process to prepare a cigarette filter rod containing sweet orange peel powder. The sweet orange peel powder and the cigarette filter stick prepared by the invention can endow cigarettes with strong sweet orange aroma, further increase the richness of cigarette aroma, and improve the smoking quality and sensory comfort of the cigarettes. The product of the invention has low cost, simple process and high safety, and is worthy of popularization and application in the whole industry.

The invention discloses a preparation method of Smallanthus sonchifolius essence. The preparation method comprises the steps of: performing crushing and mashing on Smallanthus sonchifolius, performingfiltration and concentration under reduced pressure, adding a sugar source and an amine source into concentrated liquor, performing a reaction at 100-180 DEG C for 1-5 hours, then adding 3-10 volumetimes of an organic solvent, and performing heating reflux extraction at 45-80 DEG C for 1-4 hours; and performing primary molecular distillation and secondary molecular distillation on the extractedliquor under certain conditions so as to obtain a distilled light phase which is the Smallanthus sonchifolius essence. The preparation method has the advantages of a simple preparation process and lowcost, and after the obtained Smallanthus sonchifolius essence is evenly sprayed onto pipe tobacco through a cigarette flavoring process, flavor of baked sweet or coked sweet of the cigarettes can behighlighted, so that the smoking quality and sensory comfort of the cigarettes are improved; therefore, the preparation method is worthy of promotion for application throughout the industry.

The invention discloses a preparation method of water caltrop essence. The preparation method comprises the steps that the water caltrop is smashed and pulped, and subjected to filtration and concentration under reduced pressure, the concentrated juice reacts for 1-5 hours at the temperature of 100-180 DEG C after a sugar source and an ammonia source are added, then 3-10 times volume of an organicsolvent is added, and heating and back flowing extraction are conducted for 1-4 hours at the temperature of 45-80 DEG C; and the extraction liquid is subjected to primary and secondary molecular distillation under a certain condition, and the evaporated light phase is the water caltrop essence. The preparation technology is simple, the cost is low, the obtained water caltrop essence is uniformlysprinkled on cigarette shreds through a cigarette flavoring procedure, the fragrances of baked sweet and burnt sweet of the cigarette can be highlighted, the smoking quality and the sensory comfort degree of the cigarette are improved, and the water caltrop essence is worthy of being applied and popularized in the whole industry.