Near-infrared characterizing method for quality change in tobacco silk producing procedures

Abstract

The invention discloses a near-infrared characterizing method for quality change in tobacco silk producing procedures, which chooses process set data during tobacco silk producing process as basic process parameters to generate a blank sample and changes the process parameters so as to generate a comparison sample; the blank sample and the comparison sample are scanned and pass through a sieve of40 meshes, thus obtaining respective near-infrared spectrums; the near-infrared spectrum of the blank sample is subtracted from the near-infrared spectrum of the comparison sample, thus obtaining a near-infrared difference spectrum; and the difference of internal quality change of the sample when the process parameters are adjusted is characterized by being compared with the change of the near-infrared difference spectrum. The method overcomes the defects of long period, failure in measuring a plurality of samples and unstable measurement existing in the prior art, is a method that has short period and stable effect and quality and can conduct measurement to a plurality of samples so as to conduct near-infrared characterizing on the internal quality change of tobacco during the silk production process, and can be applied to the tobacco production industry.

Description

technical field [0001] The invention relates to a method for making shredded tobacco, in particular to a near-infrared characterization method for quality changes in the shredded tobacco process. Background technique [0002] To characterize the change of tobacco’s intrinsic quality during the shredded process, the method of simple physical inspection was initially used, such as measuring the moisture content of shredded tobacco, filling force and other indicators to reflect the impact of changes in process parameters on tobacco quality. Later, chemical analysis methods were introduced to evaluate the quality of cigarette processing, usually based on conventional chemical components such as total sugar, reducing sugar, total nitrogen, total plant alkaloids, chlorine, potassium in tobacco, and tar, nicotine, and carbon monoxide in smoke. To reflect changes in the intrinsic quality of tobacco. The 2003 edition of the "Cigarette Process Specification" formulated by the State T...

AI Technical Summary

Problems solved by technology

The disadvantage of the physical inspection method is that it can only reflect the change of the physical properties of the sample, but not the change of the internal quality of the sample; the disadvantage of the chemical analysis method is that it can only reflect a few limited chemical indicators in tobacco, and the cycle of chemical analysis is relatively long, which is not suitable. The disadvantage of the sensory evaluation method is that it is easily affected by the physical condition of the person and the amount of smoking, resulting in fluctuations in the sensory quality, and this method is not suitable for the evaluation of the process quality of a large number of samples

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