Factor analysis and comprehensive evaluation of main chemical components in flue-cured tobacco

›› 2010, Vol. 22 ›› Issue (2): 0-248.

• 论文 •

Factor analysis and comprehensive evaluation of main chemical components in flue-cured tobacco

YU Jian-jun;GUO Wei;BI Qing-wen;WANG Hai-ming;LI Gen;FENG Xian-qing

¹ National Center of Tobacco Cultivation, Physiology and Biochemistry Research, Henan Agricultural University, Zhengzhou 450002, China; ² China Tobacco Hubei Industrial Co., Ltd., Wuhan 430051, China

Received:1900-01-01 Revised:1900-01-01 Online:2010-03-25 Published:2010-03-25

Abstract

Abstract: By the method of correlation analysis and factor analysis, total 27 tobacco samples from 9 tobacco\|growing counties scattered in the administrative regions of Hubei Province were analyzed with data from 10 main chemical components in flue-cured tobacco leaves. A comprehensive evaluation was carried out by using the factor scores. The results indicated that the main chemical components in flue-cured tobacco leaves were highly positive-correlated with that of the others. The contribution rate of first-four characteristic roots was 91.400%, four main factors from the main chemical components in flue-cured tobacco leaves were obtained, namely the carbon nitrogen factor, combustion factor, Nit r/ Nic factor and starch factor. Comprehensive analysis can be used in judging the quality of flue-cured tobacco according to the main chemical components in flue-cured tobacco leaves, and it will provide scientific reference to flue-cured tobacco industry usability．

Key words: flue-cured tobacco, chemical components, factor analysis, comprehensive evaluation, Qingjiang River Basin

YU Jian-jun;GUO Wei;BI Qing-wen;WANG Hai-ming;LI Gen;FENG Xian-qing. Factor analysis and comprehensive evaluation of main chemical components in flue-cured tobacco[J]. , 2010, 22(2): 0-248.

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Factor analysis and comprehensive evaluation of main chemical components in flue-cured tobacco

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