CN106723280A - A kind of reconstituted tobacco of jasmine fragrance and preparation method thereof - Google Patents

Abstract

The invention belongs to the field of special paper, and in particular relates to a jasmine-flavored reconstituted tobacco leaf and a preparation method thereof. The preparation method comprises the following steps: preparing beaten hardwood mechanical pulp board, leached tobacco stem pulp and tobacco powder pulp according to the ratio of dry weight 5:3:2, and then performing flaking and beating to 20～35°SR, make tobacco flakes; dry fresh jasmine petals, and use supercritical extraction to obtain jasmine essential oil; prepare tobacco stem extract and tobacco powder extract according to the ratio of 1:1, and then concentrate by rotary evaporation When the solid content is 38±2%, a certain amount of jasmine essential oil is added to make a coating solution; the tobacco sheet is coated to obtain jasmine-flavored reconstituted tobacco leaves. The preparation method of the invention is easy to operate, and the prepared reconstituted tobacco leaf product has stable quality, can reduce the tar amount of the tobacco leaf, reduce the harm of smoking to the body, and has a jasmine fragrance, which can make people feel happy.

Description

A kind of jasmine-flavored reconstituted tobacco leaf and its preparation method

technical field

The invention belongs to the field of special paper, and in particular relates to a jasmine-flavored reconstituted tobacco leaf and a preparation method thereof.

Background technique

Tobacco undergoes planting, picking, initial roasting and other processes, and a large amount of tobacco stems will be discarded due to process requirements; in the subsequent processing of tobacco leaves, a lot of tobacco dust will be produced due to operational reasons. These tobacco stems and tobacco powder are very similar or even identical to the tobacco components in the tobacco leaves. If they are discarded directly, it is not only a pity, but also increases the cost of tobacco. Therefore, the production of reconstituted tobacco leaves has largely solved this problem.

Reconstituted tobacco is produced under such circumstances. It means that according to the requirements of the raw material formula of reconstituted tobacco leaves, after soaking and extracting raw materials such as tobacco stems and tobacco powder in water, the insoluble substances are made into a base like base paper in a method similar to papermaking, and then the concentrated soluble Substances and additives, ready to dry. However, with the development of reconstituted tobacco leaves, the functions of reconstituted tobacco leaves are not limited to reducing costs and increasing productivity. In actual use, many advanced functions such as improving taste and reducing harm have been derived. The price of the current high-grade papermaking reconstituted tobacco leaves is already higher than that of low-grade tobacco leaf raw materials.

There are three common methods for preparing reconstituted tobacco leaves: roll pressing, thick pulp and papermaking. Simply put, the roller pressing method is to use pressure to press the tobacco stems and tobacco powder together. The thick paste method is to use a safe adhesive to glue the tobacco stems and tobacco powder together. The papermaking method is to press the tobacco stems and tobacco together according to the papermaking method. As a raw material, the ingredients are first extracted, the fibers are made into base paper, and then the extracted ingredients are concentrated and coated back.

Contents of the invention

In order to solve the shortcomings and deficiencies of the prior art, the primary purpose of the present invention is to provide a method for preparing jasmine-flavored reconstituted tobacco leaves.

Another object of the present invention is to provide a jasmine-flavored reconstituted tobacco leaf prepared by the above preparation method.

The object of the invention is achieved through the following technical solutions:

A preparation method of jasmine-flavored reconstituted tobacco leaves, comprising the following steps:

(1) Unbleached hardwood mechanical pulp boards are decompressed and beaten to a degree of beating of 15-30°SR to obtain hardwood mechanical pulp, and the moisture content is measured;

(2) According to the tobacco stem and water mass ratio 1: (6～15), under the condition of 60～80° C., extract the tobacco stem in water for 100 min, and collect the extracted tobacco stem and tobacco stem extract respectively; Refining the extracted tobacco stems with a high-consistency disc mill while hot to obtain tobacco stem pulp, and measuring the moisture content;

(3) According to the mass ratio of tobacco powder and water 1: (10～20), under the condition of 50～80, the tobacco powder is leached in water for 100min, and the smoke powder and tobacco powder extract after leaching are collected respectively; After leaching, the tobacco powder is refined with a high-concentration disc mill while it is hot to obtain a tobacco powder slurry, and its moisture content is determined;

(4) Wash the fresh jasmine flowers and dry them in vacuum at 50-80°C for 6-12 hours to obtain dried petals; extract the dried petals by supercritical _CO2 to obtain jasmine essential oil;

(5) Then calculate and prepare the mixed pulp according to the absolute dry weight mass ratio of hardwood mechanical pulp: tobacco stem pulp: tobacco powder pulp=5:3:2; the prepared mixed pulp is beaten in the PFI mill, To beating degree 20 ~ 35 ° SR;

(6) Deconstruct the beaten mixed pulp and copy it into tobacco sheets;

(7) After preparing the tobacco stem extract and tobacco powder extract according to the volume ratio of 1:1, concentrate by rotary evaporation until the solid content is 38±2%, add jasmine essential oil, and mix well to obtain Coating solution;

(8) Coating the tobacco sheet with the coating liquid prepared in the step (7) to obtain jasmine-flavored reconstituted tobacco leaves.

The determination moisture in the above-mentioned steps (1), (2), (3), (4) is for the convenience of the calculation of the absolute dry weight in the step (5).

The decompression rate in step (1) is 5000r/min, and the decompression time is 10min.

The refining in step (2) refers to performing two-stage refining according to the distance between the grinding discs of 0.4mm and 0.2mm respectively.

The refining in step (3) refers to performing two-stage refining according to the distance between the grinding discs of 0.4mm and 0.2mm respectively.

The defrosting rate in step (6) is 5000r/min, the defrosting time is 5min, and the weight is 40±2g/m ² .

The rotary evaporation temperature in step (7) is ≤80°C.

The amount of jasmine essential oil added in the step (7) is 0.05-0.1% of the mass fraction of the mixed extract solution of tobacco stem and tobacco powder after rotary evaporation.

The coating process in step (8) refers to coating at a vehicle speed of 30 m/min at a temperature of 40-60°C.

Compared with the prior art, the present invention has the following advantages and beneficial effects:

The invention provides a method for preparing jasmine-flavored reconstituted tobacco leaves. The method is easy to operate and the quality of the prepared reconstituted tobacco products is stable. Compared with traditional tobacco leaves, the invention improves the utilization rate of tobacco stems and powder, effectively reduces secondary pollution, reduces miscellaneous gases in smoke, improves taste and comfort. Compared with the traditional preparation process of reconstituted tobacco flakes, the jasmine essential oil obtained by supercritical _CO2 extraction is creatively added. The preparation process of the essential oil is non-toxic and harmless, and is suitable as a food additive. The reconstituted tobacco sheet provided by the invention reduces the tar ratio of tobacco leaves, reduces the harm of smoking to the body, and has an obvious and long-lasting jasmine fragrance, which can make people feel happy.

detailed description

The present invention will be further described in detail below in conjunction with examples, but the embodiments of the present invention are not limited thereto.

Example 1:

(1) Unbleached poplar mechanical pulp boards were deflagged, the deflaking rate was 5000r/min, and the deflaking time was 10min, and then beating was performed until the beating degree was 20°SR to obtain poplar mechanical pulp, and the water content was measured.

(2) According to the mass ratio of tobacco stems and distilled water at 1:6, extract the tobacco stems in distilled water for 100 min at 75°C, collect the extracted tobacco stems and tobacco stem extracts respectively; Tobacco stems were refined while hot with a high-consistency disc mill, and two-stage refining was performed according to the disc spacing of 0.4mm and 0.2mm respectively to obtain tobacco stem pulp, and the moisture content was measured.

(3) According to the mass ratio of tobacco powder and distilled water of 1:10, under the condition of 60°C, extract the tobacco powder in distilled water for 100min, collect the extracted tobacco powder and tobacco powder extract respectively; The tobacco powder is refined while hot with a high-consistency disc mill, and two stages of refining are carried out according to the distance between the discs of 0.4 mm and 0.2 mm, respectively, to obtain tobacco powder pulp, and the moisture content is measured.

(4) Wash fresh jasmine flowers and dry them in a vacuum oven at 60°C for 6 hours to obtain dried petals. The dried petals are extracted in a _CO2 supercritical extractor to obtain jasmine essential oil.

(5) Then calculate and prepare the mixed pulp according to the absolute dry weight mass ratio of hardwood mechanical pulp: tobacco stem pulp: tobacco powder pulp = 5:3:2. The prepared mixed pulp is beaten in a PFI mill to a beating degree of 30°SR.

(6) Decompress the beaten mixed pulp, the decompression rate is 5000r/min, and the decompression time is 5min; then copy it into tobacco sheets with a quantitative 40± ^2g /m2.

(7) After preparing the tobacco stem extraction solution and tobacco powder extraction solution according to 1:1, use rotary evaporation to concentrate, the rotary evaporation temperature is ≤80°C, concentrate to a solid content of 38±2%, add tobacco The powdered stem tobacco is mixed with jasmine essential oil with a mass fraction of 0.1% of the extraction solution, and mixed evenly to obtain a coating solution.

(8) In the coating machine, the tobacco sheet is coated at a speed of 30 m/min at 60° C. to obtain jasmine-flavored reconstituted tobacco leaves.

The physical properties of the reconstituted tobacco leaves are tested to meet the industry standard of YCT 16.3-2003 reconstituted tobacco leaves; the reconstituted tobacco leaves are subjected to a smoking test to obtain a feasible evaluation.

Example 2:

(1) Unbleached poplar mechanical pulp boards were deflagged, the deflaking rate was 5000r/min, and the deflaking time was 10min, and then beating was performed until the beating degree was 20°SR to obtain poplar mechanical pulp, and the water content was measured.

(2) According to the mass ratio of tobacco stems and distilled water at 1:10, extract the tobacco stems in distilled water for 100 min at 75°C, collect the extracted tobacco stems and tobacco stem extracts respectively; Tobacco stems were refined while hot with a high-consistency disc mill, and two-stage refining was performed according to the disc spacing of 0.4mm and 0.2mm respectively to obtain tobacco stem pulp, and the moisture content was measured.

(3) According to the mass ratio of tobacco powder and distilled water of 1:15, under the condition of 60°C, extract the tobacco powder in distilled water for 100min, collect the extracted tobacco powder and tobacco powder extract respectively; The tobacco powder is refined while hot with a high-consistency disc mill, and two stages of refining are carried out according to the distance between the discs of 0.4 mm and 0.2 mm, respectively, to obtain tobacco powder pulp, and the moisture content is measured.

(4) Fresh jasmine flowers were washed and dried in a vacuum oven at 60° C. for 12 hours to obtain dried petals. The dried petals are extracted in a _CO2 supercritical extractor to obtain jasmine essential oil.

(5) Then according to the absolute dry weight mass ratio of hardwood mechanical pulp: tobacco stem pulp: tobacco powder pulp = 5:3:2, calculate and configure the mixed pulp. The prepared mixed pulp is beaten in a PFI mill to a beating degree of 25°SR.

(6) Decompress the beaten mixed pulp, the decompression rate is 5000r/min, and the decompression time is 5min; then copy it into tobacco sheets with a quantitative 40± ^2g /m2.

(7) After preparing the tobacco stem extraction solution and tobacco powder extraction solution according to 1:1, use rotary evaporation to concentrate, the rotary evaporation temperature is ≤80°C, concentrate to a solid content of 38±2%, add tobacco The powdered stem tobacco is mixed with jasmine essential oil with a mass fraction of 0.1% of the extraction solution, and mixed evenly to obtain a coating solution.

(8) In the coating machine, the tobacco sheet is coated at a speed of 30 m/min at a temperature of 50° C. to obtain jasmine-flavored reconstituted tobacco leaves.

The physical properties of the reconstituted tobacco leaves are tested to meet the industry standard of YCT 16.3-2003 reconstituted tobacco leaves; the reconstituted tobacco leaves are tested for smoking and get a better evaluation.

The above-mentioned embodiment is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above-mentioned embodiment, and any other changes, modifications, substitutions, combinations, Simplifications should be equivalent replacement methods, and all are included in the protection scope of the present invention.

Claims (9)

1. a kind of preparation method of the reconstituted tobacco of jasmine fragrance, it is characterised in that comprise the following steps：

(1) unbleached leaf wood mechanical pulp pulpboard is carried out discongesting mashing, gets to 15~30 ° of SR of beating degree, obtain leaf wood Mechanical pulp, and determine moisture；

(2) 1 is compared by offal and water quality:(6~15), under the conditions of 60~80 DEG C, 100min are extracted by offal in water, respectively Collect the offal and offal leaching liquor after extraction；By the highly concentrated mill defibrination while hot of the offal after extraction, offal slurry is obtained, and survey Determine moisture；

(3) 1 is compared by offal and water quality:(10~20), under the conditions of 50~80 DEG C, 100min are extracted by offal in water, point Offal and offal leaching liquor after Shou Ji not extracting；By the highly concentrated mill defibrination while hot of the offal after extraction, offal slurry is obtained, and Determine moisture；

(4) new fresh Jasmine is cleaned, 6~12h is vacuum dried at 50~80 DEG C, obtain dry petal；Dry petal is passed through into CO₂It is super It is critical that jasmine essential oil is obtained by extraction；

(5) and then according to leaf wood mechanical pulp：Offal is starched：Offal slurry=5：3：2 oven-dry weight mass ratio, calculates and prepares and be mixed Close slurry；The mixing slurry that will be prepared is beaten in PFI mills, to 20~35 ° of SR of beating degree；

(6) mixing slurry that will be accomplished fluently is discongested, is copied into reconstituted tobacoo；

(7) by offal leaching liquor and offal leaching liquor according to volume ratio 1:After 1 prepares, concentrated using rotary evaporation, it is dense It is 38 ± 2% to be reduced to solid content, adds jasmine essential oil, is mixed, and obtains coating fluid；

(8) reconstituted tobacoo is coated with the coating fluid prepared in step (7), that is, obtains the reconstruction cigarette of jasmine fragrance Leaf.

2. a kind of preparation method of the reconstituted tobacco of jasmine fragrance according to claim 1, it is characterised in that step (1) The speed of discongesting discongests the time for 10min for 5000r/min.

3. a kind of preparation method of reconstituted tobacco containing jasmine according to claim 1, it is characterised in that step (2) institute Defibrination is stated, refers to the mill spacing respectively according to 0.4mm and 0.2mm, carry out two sections of defibrinations.

4. a kind of preparation method of reconstituted tobacco containing jasmine according to claim 1, it is characterised in that step (3) institute Defibrination is stated, refers to the mill spacing respectively according to 0.4mm and 0.2mm, carry out two sections of defibrinations.

5. a kind of preparation method of the reconstituted tobacco of jasmine fragrance according to claim 1, it is characterised in that step (6) The speed of discongesting discongests the time for 5min, quantification of 40 ± 2g/m for 5000r/min²。

6. a kind of preparation method of the reconstituted tobacco of jasmine fragrance according to claim 1, it is characterised in that step (7) The rotating evaporation temperature is≤80 DEG C.

7. a kind of preparation method of the reconstituted tobacco of jasmine fragrance according to claim 1, it is characterised in that step (7) The addition of the jasmine essential oil for after carrying out rotary evaporation, offal offal mixing leaching liquor mass fraction 0.05~ 0.1%.

8. a kind of preparation method of the reconstituted tobacco containing jasmine described in claim 1, it is characterised in that step (8) described painting Cloth technique, refers to, with the speed of 30m/min, to be coated under the conditions of 50~80 DEG C.

9. a kind of a kind of reconstituted tobacco of jasmine fragrance, it is characterised in that its jasmine as described in any one of claim 1 to 8 The preparation method of the reconstituted tobacco of odor type is prepared.