CN113017133A - Tobacco leaf color-based classification formula threshing method - Google Patents
Tobacco leaf color-based classification formula threshing method Download PDFInfo
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Abstract
The invention discloses a tobacco leaf color-based classification formula threshing method, which comprises the steps of classifying the grades of industrial allocated original-grade tobacco leaves respectively according to the tobacco leaf colors to obtain different types of tobacco leaves, performing modular formulation on the industrial allocated different-grade different types of tobacco leaves, and threshing and redrying. According to the tobacco leaf sorting and matching module, based on the fact that the chemical components and the sensory evaluation of the tobacco leaves expressed by the similar colors in the same region are consistent, the tobacco leaves expressed by the similar colors in the same region are combined with the tobacco leaves to be transferred to the original grade to be beaten into the module, the homogenization level of formula threshing can be improved, the restriction factors such as skill level of personnel in flue-cured field sorting, purchasing grade purity and the like are overcome, and the tobacco leaf sorting and matching effect is obviously improved.
Description
Technical Field
The invention belongs to the technical field of tobacco leaf threshing, and particularly relates to a classification formula threshing method based on tobacco leaf colors.
Background
The tobacco leaf series agricultural products are harvested and modulated in the field to form flue-cured tobacco leaves, the flue-cured tobacco leaves are purchased by tobacco commercial companies according to the national standards of flue-cured tobacco, and then are sold to various cigarette industry enterprises to form industrial allocated raw tobacco products. The qualification rate and the grade purity of the raw tobacco leaves are greatly influenced by the purchasing quality of the tobacco leaves. According to the years of reports of inspection conditions of tobacco leaf purchasing work of Chinese tobacco leaf general companies and work practices, the grade qualification rate of tobacco leaf purchasing of commercial companies is generally between 60 and 80 percent and sometimes lower, which can not meet the requirements of industrial cigarette products on the quality uniformity and stability of tobacco leaf raw materials. Therefore, different industrial enterprises are exploring tobacco leaf sorting, formulation and threshing technologies suitable for the enterprises in threshing and redrying links according to the product requirements of the enterprises. In the process of sorting the tobacco leaves, if the sorting is too extensive, although the efficiency is high, the purity of the selected tobacco leaves is poor in conformity, and the matching and striking effect and the stability of the quality of redried strip tobacco products are affected; however, the sorting is too fine, so that the sorting efficiency is influenced, and due to the restriction of the level of sorting personnel, the conformity of the selected tobacco leaves is not high, and the blending effect and the uniformity of redried strips are also influenced. The tobacco leaf sorting and blending method is characterized in that the tobacco leaves are sorted according to the colors of the tobacco leaves, the tobacco leaf categories with consistent and stable quality are formed, and then similar combination threshing is carried out, so that the method is simple and easy to operate, the restriction factors of skill level of sorting personnel in a roasting field, purchasing grade purity and the like are overcome, the sorting and blending effects are high, and the homogenization level of the redried tobacco pieces is obviously improved.
Disclosure of Invention
The invention provides a tobacco leaf color-based classification formula threshing method, which is used for solving the problems that the existing formula threshing method is limited by factors such as skill level of selection personnel in a flue-curing field, purchasing grade purity and the like, and the separation and proportioning effects are not good enough.
In order to achieve the purpose, the invention adopts the following technical scheme:
a classification formula threshing method based on tobacco leaf color comprises the following steps:
step 1, classifying each grade of industrial allocation original grade tobacco leaves according to the color of the tobacco leaves to obtain different types of tobacco leaves;
and 2, according to the classification in the step 1, performing modular formulation on the tobacco leaves which are industrially allocated and have different grades and different categories, and then threshing and redrying the tobacco leaves.
Preferably, before step 1, the method further comprises: and (4) conditioning and loosening the industrial modified original-grade tobacco leaves, and removing the secondary group of tobacco leaves.
Preferably, the secondary group of tobacco leaves comprises one or more of mottled tobacco leaves, yellowish tobacco leaves and smooth and stiff tobacco leaves.
Preferably, in step 1, the industrial allocating original grade tobacco leaves comprise lower tobacco leaves, middle tobacco leaves and upper tobacco leaves, and mainly comprise grades such as B1F, B2F, B3F, C1F, C2F, C3F, C4F and X2F, wherein B represents the upper tobacco leaves, C represents the middle tobacco leaves, and X represents the lower tobacco leaves.
Preferably: the color classification basis of the lower tobacco leaves is as follows: the color gamut from light yellow to orange yellow is classified as one, and is named as X class; the color gamut from deep yellow to red brown is classified as a class and named as class C. The color classification basis of the middle tobacco leaves is as follows: the light yellow color gamut is classified into one category and named as X category; the color gamut from positive yellow to orange yellow is classified as one, and is named as C; the color gamut from deep yellow to red brown is classified as one, and named as B. The color classification basis of the upper tobacco leaves is as follows: the light yellow color gamut is classified into one category and named as category C; the more dark colors of yellow and above are classified as one type, named as B type.
Further preferably, in the C class of the middle tobacco leaves, if the chromaticity of the tobacco leaves reaches the 'strong' grade and the oil content is at the 'upper limit' or above, the C class is named as the A class.
The determination of the color, oil content and chromaticity of the tobacco leaves refers to the national standard GB2635-1992 of flue-cured tobacco.
Preferably, in step 2, the modules are configured in the same named category.
Preferably, in the step 1, the industrial allocating original grade tobacco leaves are tobacco leaves in the same area.
The invention has the beneficial effects that:
according to the tobacco leaf sorting and matching module, based on the fact that the chemical components and the sensory evaluation of the tobacco leaves expressed by the similar colors in the same region are consistent, the tobacco leaves expressed by the similar colors in the same region are combined with the tobacco leaves to be transferred to the original grade to be beaten into the module, the homogenization level of formula threshing can be improved, the restriction factors such as skill level of personnel in flue-cured field sorting, purchasing grade purity and the like are overcome, and the tobacco leaf sorting and matching effect is obviously improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a flowchart of a classification formula threshing method based on tobacco leaf color according to an embodiment of the present invention.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
Example 1
The classification formula threshing method based on the tobacco leaf color comprises the following steps:
step 1: after loosening and dampening the grades of B2F, C3F, C4F and X2F of the upper tobacco, the middle tobacco and the lower tobacco in the county of the Liangshan in 2020, removing the auxiliary group of tobacco leaves, and then classifying the grades according to the colors. Wherein the light yellow color gamut of the B2F grade is classified into C class, and the darker colors of the positive yellow and above are classified into B class; the C3F and C4F grades of light yellow color gamut are classified into X class, the normal yellow to orange yellow color gamut is classified into C class, and the deep yellow to red brown color gamut is classified into B class; the X2F rating is directly classified as X because it does not contain deep yellow and above.
In order to verify the rationality and the classification effect of the classification, the chemical components of the tobacco leaves before and after the classification are detected, the internal quality is subjected to sensory evaluation, and the effects of the classification method and the original classification method of the embodiment are compared and analyzed, which is shown in table 1, table 2 and table 3.
TABLE 1 conventional chemical composition data of tobacco leaves of each grade or category before and after the sorting of each set grade
TABLE 2 sensory evaluation data of tobacco leaves of each grade before and after sorting
TABLE 3 comparative analysis of the classification method of example 1 with the original classification method
Note: since all the X2F only need to remove the green and miscellaneous tobacco for direct classification, the classification method in the embodiment 1 is consistent with the original classification method, so the leaf selection amount and the selected coincidence rate are consistent.
The results show that the conventional chemical components of the tobacco leaves of the same code category are similar after the tobacco leaves are selected in each allocation grade, the overall sensory quality score and the comprehensive evaluation are similar, and the tobacco leaves of the same category separated by the classification method of the embodiment can be well combined with one another. Compared with the original classification method, the classification method of the embodiment has the advantages that the leaf selection amount and the selected coincidence rate are greatly improved, the leaf selection amount is improved by 20-25%, and the selected coincidence rate is improved by 4-8%.
Step 2: and (3) matching the tobacco leaves of different types separated in the step (1) according to the same code type to obtain a module B, a module C and a module X, and then threshing and redrying.
Comparative example 1
In the comparative example 1, tobacco leaves are threshed and redried by adopting a conventional classified formula threshing method, and the method comprises the following steps:
the industrial modified original-grade tobacco leaves (B2F, C3F, C4F and X2F) in the embodiment 1 are classified and selected according to the quality characteristics (considering multiple factors such as position, color, oil content, identity, chromaticity and the like) of the tobacco leaves, and the same grade or adjacent grade with similar sensory quality is subjected to module formula threshing by combining sensory evaluation results to form a B tobacco module, a C tobacco module and an X tobacco module.
To verify the superiority of the classification formula threshing in example 1, a comparison analysis of the coefficient of variation of the module nicotine was performed with the conventional classification formula threshing, i.e. comparative example 1, see table 4.
Table 4 module nicotine variation coefficient (%) -in the defoliation method of examples 1 and comparative example 1 formulations
The results show that the homogenization level of the threshed and redried tobacco leaves in example 1 is improved by 0.55-0.89% compared with that in comparative example 1.
Therefore, the classification blending method can improve the homogenization level of formula threshing, overcome the restriction factors of skill level of personnel in sorting of the baking field, purity of purchasing grade and the like, and obviously improve the effects of sorting and blending of tobacco leaves.
Example 2
The classification formula threshing method based on the tobacco leaf color comprises the following steps:
step 1: removing the tobacco leaves in the subsidiary group after loosening and dampening the grades of the C2F, C3F and C4F of the middle cigarette in the Jingjing county, which is called in 2020, and then classifying the grades respectively according to the colors. Wherein the light yellow color gamut with the C2F grade is classified as X, the light yellow color gamut with the positive yellow color to the orange color gamut and the chroma reaching the 'strong' grade, the oil content reaching the 'upper limit' and above is classified as A, the light yellow color gamut with the positive yellow color to the orange color gamut and the chroma being in and below are classified as C, and the dark yellow color gamut with the deep yellow color to the red brown color gamut is classified as B; the C3F and C4F grades of light yellow color gamut are classified as X, the normal yellow to orange yellow color gamut is classified as C, and the deep yellow to red brown yellow color gamut is classified as B.
In order to verify the rationality and the classification effect of the classification, the chemical components of the tobacco leaves before and after the classification were detected, the internal quality was subjected to sensory evaluation, and the effects of the classification method and the original classification method of the present example were compared and analyzed, referring to tables 5, 6, and 7.
TABLE 5 conventional chemical composition data of tobacco leaves of each grade or category before and after the sorting of each set grade
TABLE 6 sensory evaluation data of tobacco leaves of different grades before and after sorting
TABLE 7 comparative analysis of the classification method of example 2 with the original classification method
The results show that the conventional chemical components of the tobacco leaves of the same code category are similar after the tobacco leaves are selected in each allocation grade, the overall sensory quality score and the comprehensive evaluation are similar, and the tobacco leaves of the same category separated by the classification method of the embodiment can be well combined with one another. Compared with the original classification method, the classification method of the embodiment has the advantages that the leaf selection amount and the selected coincidence rate are greatly improved, the leaf selection amount is improved by 18-22%, and the selected coincidence rate is improved by 5-8%.
Step 2: and (3) matching the tobacco leaves of different types separated in the step (1) according to the same code type to obtain a module A, a module B, a module C and a module X, and then threshing and redrying.
Comparative example 2
In the comparative example 2, tobacco leaves are threshed and redried by adopting a conventional classified formula threshing method, and the method comprises the following steps:
the industrial modified original-grade tobacco leaves (C2F, C3F and C4F) in the embodiment 2 are classified and selected according to the quality characteristics (considering multiple factors such as position, color, oil content, identity, chromaticity and the like) of the tobacco leaves, and the same grade or adjacent grade with similar sensory quality is subjected to module formula threshing by combining sensory evaluation results to form a tobacco module A, a tobacco module B, a tobacco module C and a tobacco module X.
To verify the superiority of the classification formula threshing in example 2, a comparison analysis of the coefficient of variation of the module nicotine was performed with the conventional classification formula threshing, i.e. comparative example 2, see table 8.
Table 8 module nicotine variation coefficient (%) -in the defoliation method of examples 2 and comparative example 2 formulations
The results show that the homogenization level of the threshed and redried tobacco leaves is improved by 0.57-0.71% in example 2 compared with comparative example 2.
Therefore, the classification blending method can improve the homogenization level of formula threshing, overcome the restriction factors of skill level of personnel in sorting of the baking field, purity of purchasing grade and the like, and obviously improve the effects of sorting and blending of tobacco leaves.
The above description is only exemplary of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A classification formula threshing method based on tobacco leaf colors is characterized by comprising the following steps:
step 1, classifying each grade of industrial allocation original grade tobacco leaves according to the color of the tobacco leaves to obtain different types of tobacco leaves;
and 2, according to the classification in the step 1, performing modular formulation on the tobacco leaves which are industrially allocated and have different grades and different categories, and then threshing and redrying the tobacco leaves.
2. The taxonomic formula threshing method according to claim 1, characterized in that: before step 1, the method further comprises the following steps: and (4) conditioning and loosening the industrial modified original-grade tobacco leaves, and removing the secondary group of tobacco leaves.
3. The taxonomic formula threshing method according to claim 2, characterized in that: the auxiliary group of tobacco leaves comprises one or more of mottled tobacco leaves, green yellow tobacco leaves and smooth and rigid tobacco leaves.
4. The taxonomic formula threshing method according to claim 1, characterized in that: in the step 1, the industrial allocation original grade tobacco leaves comprise lower tobacco leaves, middle tobacco leaves and upper tobacco leaves.
5. The taxonomic formula threshing method according to claim 4, characterized in that:
the color classification basis of the lower tobacco leaves is as follows: the color gamut from light yellow to orange yellow is classified as one, and is named as X class; the color gamut from deep yellow to red brown is classified as a class and named as class C;
the color classification basis of the middle tobacco leaves is as follows: the light yellow color gamut is classified into one category and named as X category; the color gamut from positive yellow to orange yellow is classified as one, and is named as C; the color gamut from deep yellow to red brown is classified as a class and named as class B;
the color classification basis of the upper tobacco leaves is as follows: the light yellow color gamut is classified into one category and named as category C; the more dark colors of yellow and above are classified as one type, named as B type.
6. The classified recipe threshing method according to claim 5, characterized in that: in the C class of the middle tobacco leaves, if the chroma of the tobacco leaves reaches the 'strong' grade and the oil content is at the 'upper limit' or above, the C class is named as the A class.
7. The classified recipe threshing method according to claim 5, characterized in that: in step 2, the modules are assembled in the same named categories.
8. The taxonomic formula threshing method according to claim 1, characterized in that: in the step 1, the industrial allocation original-grade tobacco leaves are tobacco leaves in the same area.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113925188A (en) * | 2021-10-20 | 2022-01-14 | 贵州中烟工业有限责任公司 | Tobacco lamina screening method |
| CN115137090A (en) * | 2022-07-12 | 2022-10-04 | 福建中烟工业有限责任公司 | Blended sun-cured yellow tobacco leaf and method for screening or preparing blended sun-cured yellow tobacco leaf |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101926501A (en) * | 2010-05-31 | 2010-12-29 | 中国烟草贵州进出口有限责任公司 | Method for classifying tobacco in threshing process of cured tobacco |
| CN111317162A (en) * | 2018-12-14 | 2020-06-23 | 贵州中烟工业有限责任公司 | Formula threshing method based on tobacco leaf positions |
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- 2021-03-04 CN CN202110240627.4A patent/CN113017133A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101926501A (en) * | 2010-05-31 | 2010-12-29 | 中国烟草贵州进出口有限责任公司 | Method for classifying tobacco in threshing process of cured tobacco |
| CN111317162A (en) * | 2018-12-14 | 2020-06-23 | 贵州中烟工业有限责任公司 | Formula threshing method based on tobacco leaf positions |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113925188A (en) * | 2021-10-20 | 2022-01-14 | 贵州中烟工业有限责任公司 | Tobacco lamina screening method |
| CN115137090A (en) * | 2022-07-12 | 2022-10-04 | 福建中烟工业有限责任公司 | Blended sun-cured yellow tobacco leaf and method for screening or preparing blended sun-cured yellow tobacco leaf |
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