CN109846076B - Method for improving quality of low-applicability tobacco leaves - Google Patents
Method for improving quality of low-applicability tobacco leaves Download PDFInfo
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Abstract
The invention relates to a method for improving the quality of low-applicability tobacco leaves, which comprises the following steps: preparing raw materials, extracting for the first time, separating and filtering, and extracting for the second time. According to the method, the high-quality tobacco leaves are soaked in water, the soluble substances of the high-quality tobacco leaves are transferred to the extracting solution, and then the low-applicability tobacco leaves are soaked and washed by the extracting solution, so that the soluble substances of the high-quality tobacco leaves are loaded on the low-applicability tobacco leaves, the quality of the low-applicability tobacco leaves is improved, after the treated low-applicability tobacco leaves are made into cigarettes, compared with the tobacco leaves before treatment, the aroma texture is obviously improved, the miscellaneous gas is obviously reduced, the aftertaste is clean, and the overall smoking quality is improved.
Description
Technical Field
The invention relates to a method for improving the quality of tobacco leaves, in particular to a method for improving the quality of low-applicability tobacco leaves.
Background
In the tobacco leaf raw materials, the availability of the low-applicability tobacco leaves is not large, the inventory pressure is large because the low-applicability tobacco leaves occupy the inventory for a long time, how to improve the availability of the low-applicability tobacco leaves belongs to an important subject of tobacco leaf raw material research, and the applicability of the low-applicability tobacco leaves in cigarette formulas is improved.
CN106962972A reports that by using subcritical, substances are selectively and reversely diffused into the substances, so as to change the internal components of the materials or exchange the components in different materials, thereby achieving the purpose of improving the quality of inferior tobacco leaves. The method needs to provide certain environment, and the steps are slightly complicated. How to more simply improve the quality of the low-applicability tobacco leaves is worthy of exploration and research.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a method for improving the quality of low-applicability tobacco leaves, and the low-applicability tobacco leaves are improved through the regulation and control of chemical components of the tobacco leaves, and the technical scheme of the invention is as follows:
a method for improving the quality of low-applicability tobacco leaves comprises the following steps:
step (1), preparation of raw materials
Preparing one part of each of two kinds of tobacco leaves with the same variety, the same part and good quality and poor quality;
step (2), first extraction
Extracting the tobacco leaves with good quality under the following extraction conditions: the ratio of material to liquid is 9:1, the extraction temperature is 60-75 ℃, and the extraction time is 30-60 min;
step (3) of separating and filtering
Squeezing the extracted tobacco leaves for solid-liquid separation, taking an extracting solution after the solid-liquid separation, filtering the extracting solution, filtering residues, and keeping the extracting solution;
step (4), second extraction
Pouring the extracting solution in the step (3) into poor-quality tobacco leaves, soaking for 3-10min while stirring, then filtering to obtain an extracting solution for later use, drying filter residues, shredding, and preparing into cigarettes.
Further, in the step (1), 20g of each of the two kinds of good-quality and poor-quality tobacco leaves is obtained.
Further, in the steps (3) and (4), filtration is performed with 80-250 mesh filter cloth.
Further, in the step (4), the drying is to dry the filter residue in an oven at the temperature of 30-60 ℃ until the moisture content is 12-14%.
Further, in the step (4), the extracting solution is used for extracting the next poor-quality tobacco leaf, each extracting solution is used for 3-5 times, and the extracting process is the same.
Compared with the prior art, the invention has the following beneficial effects:
according to the method, the high-quality tobacco leaves are soaked in water, the soluble substances of the high-quality tobacco leaves are transferred to the extracting solution, and then the low-applicability tobacco leaves are soaked and washed by the extracting solution, so that the soluble substances of the high-quality tobacco leaves are loaded on the low-applicability tobacco leaves, the quality of the low-applicability tobacco leaves is improved, and compared with the tobacco leaves before treatment, after the treated low-applicability tobacco leaves are made into cigarettes, the aroma texture is obviously improved, the miscellaneous gas is obviously reduced, the remaining taste is clean, and the overall smoking quality is improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Those skilled in the art will recognize that the specific techniques or conditions, not specified in the examples, are according to the techniques or conditions described in the literature of the art or according to the product specification. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available by purchase. Sensory evaluation was performed according to GB5606.4-2005 for all examples.
Example 1
The method for improving the quality of the low-applicability tobacco leaves comprises the following steps:
step (1), preparation of raw materials
Preparing 20g of each of two tobacco leaves of the same variety, the same part, namely Hongda C3F and B2F, wherein the sensory quality of C3F is superior to that of B2F;
step (2), first extraction
Extracting the tobacco leaves with good quality by using water, wherein the extraction conditions are as follows: the ratio of material to liquid is 9:1, the extraction temperature is 65 ℃, and the extraction time is 45 min;
step (3) of separating and filtering
Squeezing the extracted tobacco leaves for solid-liquid separation, taking the extract after the solid-liquid separation, filtering the extract by using 80-250 mesh filter cloth, filtering to remove residues, and keeping the extract;
step (4), second extraction
Pouring the extracting solution in the step (3) into poor-quality tobacco leaves, soaking for 3min while stirring, filtering by using 80-250-mesh filter cloth to obtain the extracting solution for later use, drying filter residues in a drying oven at the temperature of 45 ℃ until the moisture content is 12-14%, then shredding, preparing into cigarettes according to a conventional process, and performing sensory evaluation, wherein the results are shown in table 1.
The extractive solution is used for extracting the next poor-quality tobacco leaf, each extractive solution can be used for 3-5 times, and the extraction process is the same.
As a control, poor quality (B2F, control 1) and good quality (C3F, control 2) tobacco leaves before treatment were cut into shreds, respectively made into cigarettes by a conventional process, and subjected to sensory evaluation, respectively, and the results are shown in Table 1.
Example 2
The method for improving the quality of the low-applicability tobacco leaves comprises the following steps:
step (1), preparation of raw materials
Preparing 20g of each of red C3F and B2F tobacco leaves of the same variety and the same part;
step (2), first extraction
Extracting the tobacco leaves with good quality by using water, wherein the extraction conditions are as follows: the ratio of material to liquid is 9:1, the extraction temperature is 70 ℃, and the extraction time is 35 min;
step (3), separating and filtering
Squeezing the extracted tobacco leaves for solid-liquid separation, taking the extract after the solid-liquid separation, filtering the extract by using 80-250 mesh filter cloth, filtering to remove residues, and keeping the extract;
step (4), second extraction
Pouring the extracting solution in the step (3) into poor-quality tobacco leaves, soaking for 8min while stirring, then filtering by using 80-250 mesh filter cloth to obtain the extracting solution for later use, drying filter residues in an oven with the temperature of 35 ℃ until the moisture content is 12-14%, then shredding, preparing into cigarettes according to a conventional process, and performing sensory evaluation, wherein the results are shown in table 1. The rest is the same as in example 1.
Example 3
The method for improving the quality of the low-applicability tobacco leaves comprises the following steps:
step (1), preparation of raw materials
Preparing 20g of each of red C3F and B2F tobacco leaves of the same variety and the same part;
step (2), first extraction
Extracting the tobacco leaves with good quality by using water, wherein the extraction conditions are as follows: the ratio of material to liquid is 9:1, the extraction temperature is 75 ℃, and the extraction time is 30 min;
step (3) of separating and filtering
Squeezing the extracted tobacco leaves for solid-liquid separation, taking the extract after the solid-liquid separation, filtering the extract by using 80-250 mesh filter cloth, filtering to remove residues, and keeping the extract;
step (4), second extraction
Pouring the extracting solution in the step (3) into poor-quality tobacco leaves, soaking for 5min while stirring, then filtering by using 80-250 mesh filter cloth to obtain the extracting solution for later use, drying filter residues in an oven with the temperature of 60 ℃ until the moisture content is 12-14%, then shredding, preparing into cigarettes according to a conventional process, and performing sensory evaluation, wherein the results are shown in table 1. The rest is the same as in example 1.
TABLE 1 sensory test results in examples 1-3
As can be seen from Table 1, the sensory evaluation difference between the control 1 and the control 2 is obvious, and the cigarettes prepared from the tobacco leaves with poor quality have prominent performances in aspects of fragrance, coordination, miscellaneous gas, irritation and aftertaste after treatment, and especially the cigarettes with good quality are close to the cigarettes with good irritation and aftertaste in the aspects of fragrance and miscellaneous gas.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. A method for improving the quality of low-applicability tobacco leaves is characterized by comprising the following steps: the method comprises the following steps:
step (1), preparation of raw materials
Preparing one portion of each of the red C3F and B2F tobacco leaves of the same variety and the same part, wherein the sensory quality of C3F is superior to that of B2F;
step (2), first extraction
Extracting the tobacco leaves with good quality under the following extraction conditions: the ratio of material to liquid is 9:1, the extraction temperature is 60-75 ℃, and the extraction time is 30-60 min;
step (3), separating and filtering
Squeezing the extracted tobacco leaves for solid-liquid separation, taking an extracting solution after the solid-liquid separation, filtering the extracting solution, filtering residues, and keeping the extracting solution;
step (4), second extraction
Pouring the extracting solution in the step (3) into poor-quality tobacco leaves, soaking for 3-10min while stirring, then filtering, reserving the obtained extracting solution, drying filter residues, shredding, and preparing into cigarettes, so that the cigarettes are close to good-quality cigarettes in the aspects of aroma and miscellaneous gas, irritation and aftertaste; filtering with 80-250 mesh filter cloth in the steps (3) and (4);
the extractive solution is used for extracting the next poor-quality tobacco leaf, each extractive solution is used for 3-5 times, and the extraction process is the same.
2. The method of improving the quality of low-suitability tobacco leaves according to claim 1, wherein: in the step (4), the drying is to dry the filter residue in an oven with the temperature of 30-60 ℃ until the moisture content is 12-14%.
3. The method of improving the quality of low-suitability tobacco leaves according to claim 1, wherein: in the step (1), 20g of each of the two kinds of tobacco leaves with good quality and poor quality are obtained.
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