Difference Analysis of the Organic Acids Content of the Different Leaf Position in Flue-Cured Tobacco

Abstract:

The pre-treatment of sulfuric acid methyl ester with gas chromatography-mass spectrometry (GC/MS) analysis techniques was utilized to study the difference of the organic acid content in different flue-cured tobacco leaf (L8-L12): from the bottom of the eighth leave up to the twelfth leave) and its influence on flu-cured tobacco quality. The results show that malic acid, γ-e ketone acid, citric acid, malonic acid, linolenic acid and palmitic acid had a higher content relatively in different flue-cured tobacco leaves and they are the main acidic components.The difference of total organic acids content from the eighth to the twelfth leave was L8>L9>L12 >L10>L11; The content proportion ranges of non-volatile acid, senior saturated fatty acid and senior unsaturated fatty acid in total organic acids were 88.49%~94.38%,3.01%~5.10% and 2.61%~6.40%, respectively. The difference analysis of organic acids content in different leaf position indicated that the organic acids content in the eighth and twelfth leaves was moderate and they could be considered as the superior and slap-up tobacco raw materials.

• Periodical: Advanced Materials Research (Volume 800)
• Pages: 139-142
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.800.139
• Online since: September 2013
• Authors: Yan Qiu Jing, Xiao Di Liu, Jin Lei, Guang Liang Li, Li Xin Xue
• Keywords: Flue-Cured Tobacco, Leaf Position, Organic Acid, Variance Analysis

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