阅读说明：本技术 一种利用槟榔花蒂纤维制备造纸法再造烟叶的方法 (Method for preparing paper-making reconstituted tobacco by using betel nut flower base fibers ) 是由 宾海龙 简小朋 于 2021-08-19 设计创作，主要内容包括：本发明涉及再造烟叶制备技术,特别是一种利用槟榔花蒂纤维制备造纸法再造烟叶的方法。其步骤如下：槟榔花蒂萃取、槟榔花蒂纤维制备、槟榔花蒂浆料制备、烟草原料萃取、烟草浆浆料制备、基片制备、涂布液制备、再造烟叶制备。本发明具有如下优点：一是有利于提升造纸法再造烟叶的抽吸品质。二是实现了废物再利用,对环保和循环经济皆具有重大意义。(The invention relates to a reconstituted tobacco preparation technology, in particular to a method for preparing paper-making reconstituted tobacco by using betel nut flower base fibers. The method comprises the following steps: extracting betel nut flower base, preparing betel nut flower base fiber, preparing betel nut flower base slurry, extracting tobacco raw materials, preparing tobacco slurry, preparing a substrate, preparing coating liquid and preparing reconstituted tobacco. The invention has the following advantages: the method is beneficial to improving the smoking quality of the paper-making reconstituted tobacco. Secondly, the waste recycling is realized, and the method has great significance for environmental protection and recycling economy.)

1. A method for preparing paper-making reconstituted tobacco by using betel nut flower stalk fibers is characterized by comprising the following steps:

firstly, extracting flower base of areca nut: cleaning and drying the areca flower base until the water content is 6 +/-2%, separating and extracting with hot water according to the weight ratio of 4:6 at the extraction temperature of 55-80 ℃ for 40-80 minutes, and respectively obtaining an areca flower base extract and areca flower base fiber after solid-liquid separation;

second, betel nut flowerPreparing pedicle fibers: adding the betel nut flower base fiber obtained in the first step into a mixture containing 0.3-0.4% of NaOH and H according to the solid-liquid mass ratio of 1:10-20₂O₂ 0.4 to 0.6 percent of urea and 0.1 to 0.2 percent of urea, and soaking the mixture for 60 plus or minus 2 minutes at the temperature of 70 plus or minus 2 ℃; then soaking and washing the betel nut in clear water, and then performing primary defibering to obtain betel nut flower base fiber;

step three, preparing betel nut flower base slurry: thickening the betel nut flower base fiber subjected to preliminary defibering to 3.5 +/-0.2%, and grinding to obtain cotton stalk bark pulp;

step four, extracting tobacco raw materials: mixing tobacco stems, tobacco fragments and tobacco powder according to the mass ratio of 1:1:1, extracting the mixture with hot water according to the mass ratio of 4:6 at the extraction temperature of 60 +/-2 ℃ for 50 +/-2 minutes, and performing solid-liquid separation after extraction to respectively obtain tobacco extract and tobacco mixed fibers;

fifthly, preparing tobacco pulp slurry: the tobacco fiber in the fourth step is adjusted to be thick to 3.5 +/-0.2%, and the tobacco mixed pulp is obtained after grinding;

sixthly, preparing a substrate: mixing the tobacco mixed slurry, the betel nut flower base slurry and the filler according to the weight part ratio, wherein the weight part ratio of the tobacco mixed slurry to the betel nut flower base slurry is 78-84: 8-14 parts of betel nut flower base slurry: 8 parts of filler is manufactured into a reconstituted tobacco substrate by a paper making process according to the absolute dry mass ratio, wherein the filler is light calcium carbonate;

seventh step, coating liquid preparation: mixing the areca flower stalk extract and the tobacco mixed extract according to the weight part ratio, wherein the weight part ratio of the areca flower stalk extract is 8-14: mixing 86-92 parts of the tobacco mixed extract, vacuum concentrating to a concentration of 40 +/-1% to obtain a concentrated solution, and adding 1.5% by mass of essence and flavor to obtain a coating solution;

eighth, preparing reconstituted tobacco: and (4) carrying out conventional coating and drying on the substrate prepared in the sixth step by using the coating liquid prepared in the seventh step, controlling the moisture of a finished product to be 10 +/-1%, and slicing to obtain the coating.

2. The method for preparing paper-making reconstituted tobacco leaves by using betel nut flower stalk fibers according to claim 1, which is characterized in that: in the second step, NaOH, H₂O₂And urea in the mixed solutionThe mass ratio of the components is 3:4: 1.

3. The method for preparing paper-making reconstituted tobacco leaves by using betel nut flower stalk fibers according to claim 1, which is characterized in that: in the third step, the beating degree of the betel nut flower base slurry is 22 +/-2 DEG SR.

4. The method for preparing paper-making reconstituted tobacco leaves by using betel nut flower stalk fibers according to claim 1, which is characterized in that: in the fifth step, the beating degree of the tobacco mixed slurry is 34 +/-2 DEG SR.

5. The method for preparing paper-making reconstituted tobacco leaves by using betel nut flower stalk fibers according to claim 1, which is characterized in that: in the eighth step, the coating rate is 37-44%.

Technical Field

The invention relates to a reconstituted tobacco preparation technology, in particular to a method for preparing paper-making reconstituted tobacco by using betel nut flower base fibers.

Background

The areca and the fruits of areca of a palmaceae evergreen arbor plant are one of four southern medicines in China, are also medical and edible dual-purpose materials, contain a plurality of chemical components such as arecoline and the like, are sweet and delicious, are deeply popular with consumers, are particularly popular in Hunan, Hainan, Fujian, Hubei, Guangdong, Jiangxi and the like, and also make great contribution to local finance. According to statistics, the consumption of betel nuts in China is about 25 million tons every year, the betel nut flower base accounts for about 9 percent, about 2.25 million tons are generated every year, the betel nut flower base is used as agricultural waste, most of domestic betel nut processing enterprises use the betel nut flower base as fuel to burn, and the betel nut flower base contains various bioactive components such as arecoline and the like as other parts of the betel nuts.

The reconstituted tobacco is also called recombined tobacco. Mainly comprises tobacco powder fragments, tobacco stems or inferior tobacco leaves, additional fibers, fillers and other additives. The reconstituted tobacco can be classified into a paper-making method, a thick pulp method and a rolling method according to the processing technology, wherein the paper-making reconstituted tobacco has better mechanical processing performance than the paper-making reconstituted tobacco, and the paper-making reconstituted tobacco becomes a main method for producing the reconstituted tobacco at home and abroad. The paper-making reconstituted tobacco plays an important role in improving the quality of tobacco products, reducing the tar content, changing smoke components, saving the using amount of tobacco shreds and stabilizing the cigarette formula through the technical processes of extracting, separating, concentrating, perfuming, pulping, papermaking, drying and the like.

Most of added fibers added in the production of reconstituted tobacco by the existing paper-making method are wood pulp, including softwood pulp and hardwood pulp, the added fibers have single chemical components, mainly comprise cellulose, hemicellulose and lignin, the smoking quality of the reconstituted tobacco by the paper-making method is influenced, and the wood gas is heavy.

The betel nut flower base is used as high-quality fiber rich in bioactive components to replace wood pulp fiber for preparing the paper-making reconstituted tobacco, so that the fusion of betel nuts and tobacco is really realized, the utilization rate of resources is improved, the special sensory quality of the paper-making reconstituted tobacco is endowed, and the method has great significance.

Disclosure of Invention

The invention aims to provide a method for preparing paper-making reconstituted tobacco by using betel nut flower stalk fibers.

The purpose of the invention is realized by the following ways: a method for preparing paper-making reconstituted tobacco by using betel nut flower stalk fibers comprises the following steps:

firstly, extracting flower base of areca nut: cleaning and drying the areca flower base until the water content is 6 +/-2%, separating and extracting with hot water according to the mass ratio of 4:6, wherein the extraction temperature is 55-80 ℃, the extraction time is 40-80 minutes, and after solid-liquid separation, respectively obtaining an areca flower base extraction liquid and areca flower base fiber;

step two, preparing betel nut flower base fiber: adding the betel nut flower base fiber obtained in the first step into a mixture containing 0.3-0.4% of NaOH and H according to the solid-liquid mass ratio of 1:10-20₂O₂ 0.4 to 0.6 percent of urea and 0.1 to 0.2 percent of urea, and soaking the mixture for 60 plus or minus 2 minutes at the temperature of 70 plus or minus 2 ℃; then soaking and washing the betel nut in clear water, and then performing primary defibering to obtain betel nut flower base fiber;

step three, preparing betel nut flower base slurry: thickening the betel nut flower base fiber subjected to preliminary defibering to 3.5 +/-0.2%, and grinding to obtain cotton stalk bark pulp;

step four, extracting tobacco raw materials: mixing tobacco stems, tobacco fragments and tobacco powder according to the mass ratio of 1:1:1, extracting the mixture with hot water according to the mass ratio of 4:6 at the extraction temperature of 60 +/-2 ℃ for 50 +/-2 minutes, and performing solid-liquid separation after extraction to respectively obtain tobacco extract and tobacco mixed fibers;

fifthly, preparing tobacco pulp slurry: the tobacco fiber in the fourth step is adjusted to be thick to 3.5 +/-0.2%, and the tobacco mixed pulp is obtained after grinding;

sixthly, preparing a substrate: mixing the tobacco mixed slurry, the betel nut flower base slurry and the filler according to the weight part ratio, wherein the weight part ratio of the tobacco mixed slurry to the betel nut flower base slurry is 78-84: 8-14 parts of betel nut flower base slurry: 8 parts of filler is manufactured into a reconstituted tobacco substrate by a paper making process according to the absolute dry mass ratio, wherein the filler is light calcium carbonate;

seventh step, coating liquid preparation: mixing the areca flower stalk extract and the tobacco mixed extract according to the weight part ratio, wherein the weight part ratio of the areca flower stalk extract is 8-14: mixing 86-92 parts of the tobacco mixed extract, vacuum concentrating to a concentration of 40 +/-1% to obtain a concentrated solution, and adding 1.5% by mass of essence and flavor to obtain a coating solution;

eighth, preparing reconstituted tobacco: and (4) carrying out conventional coating and drying on the substrate prepared in the sixth step by using the coating liquid prepared in the seventh step, controlling the moisture of a finished product to be 10 +/-1%, and slicing to obtain the coating.

As a further optimization of this case, in the second step, NaOH, H₂O₂The mass ratio of each component in the mixed solution of urea is 3:4: 1.

As a further optimization of this case, in the third step, the knocking degree of the betel nut flower base slurry is 22 ± 2 ° SR.

As a further optimization of this case, in the fifth step, the beating degree of the tobacco mixed slurry is 34 ± 2 ° SR.

As a further optimization of this case, in the eighth step, the coating rate is 37-44%.

The invention relates to a method for preparing paper-making reconstituted tobacco by using betel nut flower stalk fiber, which has the following advantages: firstly, the chemical components of the betel nut fiber are rich, besides cellulose and hemicellulose, the betel nut fiber also contains a large amount of active substances, such as arecoline, polyphenol, fatty acid, polysaccharide and the like, the components are closer to tobacco, and the combination of the arecoline and nicotine is favorable for improving the smoking quality of the paper-making reconstituted tobacco. Secondly, the flower base of the betel nut belongs to waste in the process of generating the betel nut, the flower base of the betel nut generated by a large-scale betel nut manufacturer in a family is nearly 10 tons every day, the economic value is not high before the flower base of the betel nut is generated, the waste recycling is realized by applying the flower base of the betel nut to the paper-making method to reproduce the tobacco leaves, and the method has great significance for environmental protection and circular economy.

Detailed Description

Example 1

A method for reproducing tobacco leaves by a paper-making method by replacing wood pulp fibers with betel nut flower stalk fibers comprises the following specific steps:

a. extracting flower base of betel nut: cleaning and drying the areca flower base until the water content is 6 +/-2%, separating and extracting with hot water according to the mass ratio of 4:6 at the extraction temperature of 55 +/-2 ℃ for 45 +/-2 minutes, and then carrying out solid-liquid separation to obtain an areca flower base extract and areca flower base fiber;

b. preparing betel nut flower stalk fiber, adding the betel nut flower stalk fiber obtained in the first step into a mixture containing 0.3-0.4% of NaOH and H according to the solid-liquid mass ratio of 1:10-20₂O₂ 0.4 to 0.6 percent of urea and 0.1 to 0.2 percent of urea, and soaking the mixture for 60 plus or minus 2 minutes at the temperature of 70 plus or minus 2 ℃; then soaking and washing the betel nut in clear water, and then performing primary defibering to obtain betel nut flower base fiber;

c. preparing betel nut flower base slurry, namely thickening betel nut flower base fibers subjected to preliminary fiber decomposition to 3.5 +/-0.2%, and grinding to obtain cotton stalk bark slurry;

d. extracting tobacco raw materials, namely mixing tobacco stems, tobacco fragments and tobacco powder according to the mass ratio of 1:1:1, extracting the mixture with hot water according to the mass ratio of 4:6 at the extraction temperature of 60 +/-2 ℃ for 50 +/-2 minutes, and performing solid-liquid separation after extraction to respectively obtain tobacco extract and tobacco mixed fibers;

e. d, preparing tobacco pulp slurry, namely thickening the tobacco fibers in the step d to 3.5 +/-0.2%, and grinding to obtain tobacco mixed slurry;

f. preparing a substrate, namely mixing the tobacco mixed slurry, the betel nut flower base slurry and the filler according to 78 parts of the tobacco mixed slurry: 14 parts of betel nut flower base slurry: 8 parts of filler is manufactured into a reconstituted tobacco substrate by a paper making process according to the absolute dry mass ratio, wherein the filler is light calcium carbonate;

g. preparation of coating liquid: mixing the areca flower base extract and the tobacco mixed extract according to the proportion of 8 parts of the areca flower base extract: mixing the tobacco mixed extract liquor by 92 parts, concentrating in vacuum to the concentration of 40 +/-1% to obtain a concentrated solution, and adding 1.5% by mass of essence and flavor to obtain a coating liquid; the essence and spice belongs to the prior art, and is mainly a tobacco essence mixture which is prepared from cassia leaf oil, cassia cinnamate, eugenol, clove bud oil, anise oil, fennel oil, fenugreek absolute, gamma-octalactone, gamma-undecalactone, zizac acid, lactic acid, beta-ionone, furanone, ethyl maltol and Tuolu balsam according to a certain proportion.

h. Preparing reconstituted tobacco: and g, coating the substrate prepared in the step f with the coating liquid prepared in the step g, drying the substrate by a conventional method, controlling the moisture of a finished product to be 10 +/-1%, controlling the coating rate to be 37 +/-1%, and slicing the substrate for later use.

Evaluation test

The prepared reconstituted tobacco is cut into threads, placed in a constant temperature and humidity box to be balanced for 24 hours to prepare cigarettes as a sample group, and the cigarettes prepared from the reconstituted tobacco added with wood pulp fibers are used as a control group. The sample group and the control group are randomly numbered, and sensory evaluation is carried out by an evaluation group consisting of evaluators with evaluation qualifications.

Example 2

A method for reproducing tobacco leaves by a paper-making method by replacing wood pulp fibers with betel nut flower stalk fibers comprises the following specific steps:

a. extracting flower base of betel nut: cleaning and drying the areca flower base until the water content is 6 +/-2%, separating and extracting with hot water according to the mass ratio of 4:6 at the extraction temperature of 65 +/-2 ℃ for 65 +/-2 minutes, and then carrying out solid-liquid separation to obtain an areca flower base extract and areca flower base fiber;

b. preparing betel nut flower stalk fiber, adding the betel nut flower stalk fiber obtained in the first step into a mixture containing 0.3-0.4% of NaOH and H according to the solid-liquid mass ratio of 1:10-20₂O₂ 0.4 to 0.6 percent of urea and 0.1 to 0.2 percent of urea, and soaking the mixture for 60 plus or minus 2 minutes at the temperature of 70 plus or minus 2 ℃; then soaking and washing with clear water, and then carrying outPreliminarily defibering to obtain betel nut flower base fiber;

c. preparing betel nut flower base slurry, namely thickening betel nut flower base fibers subjected to preliminary fiber decomposition to 3.5 +/-0.2%, and grinding to obtain cotton stalk bark slurry;

d. extracting tobacco raw materials, namely mixing tobacco stems, tobacco fragments and tobacco powder according to the mass ratio of 1:1:1, extracting the mixture with hot water according to the mass ratio of 4:6 at the extraction temperature of 60 +/-2 ℃ for 50 +/-2 minutes, and performing solid-liquid separation after extraction to respectively obtain tobacco extract and tobacco mixed fibers;

e. d, preparing tobacco pulp slurry, namely thickening the tobacco fibers in the step d to 3.5 +/-0.2%, and grinding to obtain tobacco mixed slurry;

f. preparing a substrate, namely mixing the tobacco mixed slurry, the betel nut flower base slurry and the filler according to 83 parts of the tobacco mixed slurry: 9 parts of betel nut flower base slurry: 8 parts of filler is manufactured into a reconstituted tobacco substrate by a paper making process according to the absolute dry mass ratio, wherein the filler is light calcium carbonate;

g. preparation of coating liquid: mixing the areca flower base extract and the tobacco mixed extract according to the proportion of 12 parts of the areca flower base extract: mixing 88 parts of the mixed tobacco extract, vacuum concentrating to a concentration of 40 +/-1% to obtain a concentrated solution, and adding 1.5% by mass of essence and flavor to obtain a coating solution; the essence and spice belongs to the prior art, and is mainly a tobacco essence mixture which is prepared from cassia leaf oil, cassia cinnamate, eugenol, clove bud oil, anise oil, fennel oil, fenugreek absolute, gamma-octalactone, gamma-undecalactone, zizac acid, lactic acid, beta-ionone, furanone, ethyl maltol and Tuolu balsam according to a certain proportion.

h. Preparing reconstituted tobacco: and g, coating the substrate prepared in the step f with the coating liquid prepared in the step g, drying the substrate by a conventional method, controlling the moisture of a finished product to be 10 +/-1% and the coating rate to be 40 +/-1%, and slicing the substrate for later use.

Evaluation test

The prepared reconstituted tobacco is cut into threads, placed in a constant temperature and humidity box to be balanced for 24 hours to prepare cigarettes as a sample group, and the cigarettes prepared from the reconstituted tobacco added with wood pulp fibers are used as a control group. The sample group and the control group are randomly numbered, and sensory evaluation is carried out by an evaluation group consisting of evaluators with evaluation qualifications.

Example 3

A method for reproducing tobacco leaves by a paper-making method by replacing wood pulp fibers with betel nut flower stalk fibers comprises the following specific steps:

a. extracting flower base of betel nut: cleaning and drying the areca flower base until the water content is 6 +/-2%, separating and extracting with hot water according to the mass ratio of 4:6 at the extraction temperature of 80 +/-2 ℃ for 80 +/-2 minutes, and then carrying out solid-liquid separation to obtain an areca flower base extract and areca flower base fiber;

b. preparing betel nut flower stalk fiber, adding the betel nut flower stalk fiber obtained in the first step into a mixture containing 0.3-0.4% of NaOH and H according to the solid-liquid mass ratio of 1:10-20₂O₂ 0.4 to 0.6 percent of urea and 0.1 to 0.2 percent of urea, and soaking the mixture for 60 plus or minus 2 minutes at the temperature of 70 plus or minus 2 ℃; then soaking and washing the betel nut in clear water, and then performing primary defibering to obtain betel nut flower base fiber;

c. preparing betel nut flower base slurry, namely thickening betel nut flower base fibers subjected to preliminary fiber decomposition to 3.5 +/-0.2%, and grinding to obtain cotton stalk bark slurry;

d. extracting tobacco raw materials, namely mixing tobacco stems, tobacco fragments and tobacco powder according to the mass ratio of 1:1:1, extracting the mixture with hot water according to the mass ratio of 4:6 at the extraction temperature of 60 +/-2 ℃ for 50 +/-2 minutes, and performing solid-liquid separation after extraction to respectively obtain tobacco extract and tobacco mixed fibers;

e. d, preparing tobacco pulp slurry, namely thickening the tobacco fibers in the step d to 3.5 +/-0.2%, and grinding to obtain tobacco mixed slurry;

f. preparing a substrate, namely mixing the tobacco mixed slurry, the betel nut flower base slurry and the filler according to 87 parts of the tobacco mixed slurry: 5 parts of betel nut flower base slurry: 8 parts of filler is manufactured into a reconstituted tobacco substrate by a paper making process according to the absolute dry mass ratio, wherein the filler is light calcium carbonate;

g. preparation of coating liquid: mixing the areca flower base extract and the tobacco mixed extract according to the proportion of 14 parts of the areca flower base extract: mixing the 86 parts of the tobacco mixed extract liquor, concentrating the mixture in vacuum to a concentration of 40 +/-1% to obtain a concentrated solution, and adding 1.5% by mass of essence and flavor to obtain a coating liquid; the essence and spice belongs to the prior art, and is mainly a tobacco essence mixture which is prepared from cassia leaf oil, cassia cinnamate, eugenol, clove bud oil, anise oil, fennel oil, fenugreek absolute, gamma-octalactone, gamma-undecalactone, zizac acid, lactic acid, beta-ionone, furanone, ethyl maltol and Tuolu balsam according to a certain proportion.

h. Preparing reconstituted tobacco: and g, coating the substrate prepared in the step f with the coating liquid prepared in the step g, drying the substrate by a conventional method, controlling the moisture of a finished product to be 10 +/-1% and the coating rate to be 44 +/-1%, and slicing the substrate for later use.

Evaluation test

The prepared reconstituted tobacco is cut into threads, placed in a constant temperature and humidity box to be balanced for 24 hours to prepare cigarettes as a sample group, and the cigarettes prepared from the reconstituted tobacco added with wood pulp fibers are used as a control group. The sample group and the control group are randomly numbered, and sensory evaluation is carried out by an evaluation group consisting of evaluators with evaluation qualifications.

The results of the smoke panel are shown in table 1 below:

as can be seen from Table 1, the aroma quality, the aroma amount and the smoke concentration of the reconstituted tobacco prepared from the betel nut flower base fiber are improved, the wood gas is obviously reduced, the irritation is reduced, the aftertaste is improved, and the sensory quality is obviously improved.

With respect to the sensory quality, Y2 is a more suitable treatment method.