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Method for distinguishing paper process reconstituted tobacco products via near infrared spectroscopy in combination with PLS-DA

A technology of near-infrared spectroscopy and reconstituted tobacco leaves, which is applied in the field of paper-based reconstituted tobacco leaves, to achieve the effects of less interference from human factors, good online analysis, and fast analysis speed

Inactive Publication Date: 2015-05-06
CHINA TOBACCO YUNNAN IND
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  • Abstract
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Problems solved by technology

[0005] Combining NIR spectral information of reconstituted tobacco leaves with PLS-DA for classification of reconstituted tobacco products has not been reported

Method used

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  • Method for distinguishing paper process reconstituted tobacco products via near infrared spectroscopy in combination with PLS-DA
  • Method for distinguishing paper process reconstituted tobacco products via near infrared spectroscopy in combination with PLS-DA
  • Method for distinguishing paper process reconstituted tobacco products via near infrared spectroscopy in combination with PLS-DA

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Embodiment Construction

[0042] The present invention will be further described in detail below in conjunction with the examples.

[0043] Those skilled in the art will understand that the following examples are only for illustrating the present invention and should not be considered as limiting the scope of the present invention. If no specific technique or condition is indicated in the examples, it shall be carried out according to the technique or condition described in the literature in this field or according to the product specification. The reagents or instruments used were not indicated by the manufacturer, and they were all conventional products that could be purchased.

[0044] A method for distinguishing papermaking reconstituted tobacco leaf products in combination with PLS-DA by near-infrared spectroscopy, comprising the steps of:

[0045] Step (1), collection of samples: collect 191 finished sheet samples of reconstituted tobacco leaves of three types (type A, type B, and type C); type ...

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Abstract

The invention relates to a method for distinguishing paper process reconstituted tobacco products via near infrared spectroscopy in combination with PLS-DA, belonging to the technical field of paper process reconstituted tobacco. The method mainly comprises the following steps: (1) collecting and preparing flaky samples; (2) scanning the spectrum; (3) pre-treating the spectrum; (4) detecting and removing an abnormal value; and (5) establishing and verifying a PLS-DA model. A classification model of reconstituted tobacco products is established by near infrared technology in combination with PLS-DA, and has the advantages of high detection speed, high classification accuracy, high classification efficiency and the like and is used for quickly classifying reconstituted tobacco products with different shop signs, and the established classification model has good classification ability and has important significance on primary online monitoring of quality stability of the reconstituted tobacco products.

Description

technical field [0001] The invention belongs to the technical field of paper-making reconstituted tobacco leaves, and in particular relates to a method for distinguishing paper-making reconstituted tobacco products by using near-infrared spectroscopy. Background technique [0002] Paper-making reconstituted tobacco leaves are processed and assembled from a variety of tobacco scraps and external fibers. It was first developed abroad in the 1950s. In the past ten years, domestic paper-making reconstituted tobacco has been produced in a large scale and product quality has improved. Breakthroughs have also been made in areas such as large-scale application and so on. [0003] Paper-making reconstituted tobacco leaves are more and more favored by cigarette companies because of their advantages such as low density, high filling value, effective coke reduction and harm reduction, and good mechanical processing performance. Today, it has become one of the important raw materials for...

Claims

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Application Information

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IPC IPC(8): G01N21/3563G01N21/359
Inventor 吴丽君王保兴刘恩芬白晓莉刘晶殷艳飞王浩雅段如敏陈正春
Owner CHINA TOBACCO YUNNAN IND
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