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Changes of Free Sugars, Non-Volatile Organic Acids and Fatty Acids in Flue-cured Leaf Tobacco during Aging  

Bock, Jin-Young (KT&G Central Research Institute)
Park, Yoon-Shin (National Institute Scientific Investigation, Central District Office)
Park, Won-Jong (Department of Food Science and Technology, Kong Ju National University)
Lee, Joung-Ryoul (KT&G Central Research Institute)
Publication Information
Journal of the Korean Society of Tobacco Science / v.28, no.2, 2006 , pp. 75-82 More about this Journal
Abstract
This study was carried out to investigate the changes of free sugars, non-volatile organic and fatty acids in flue-cured leaf tobacco during aging. The threshed leaf tobacco(B1O and C1L) produced in 2002 crop year was aged for 21 month in warehouse of Oc-Cheon Leaf Tobacco Processing Factory. The leaf tobacco were sampled at three month intervals for analysis of free sugars, non-volatile organic and fatty acids. The major free sugars of flue-cured were glucose and fructose regardless of tobacco grades. After aging period of 21 months, the contents of glucose and fructose showed a tendency to slightly decrease, and there was no appreciable change in the contents of sucrose in B1O and C1L grades. The major compound of non-volatile organic acid and fatty acid were malic, oxalic and citric, linolenic, linoleic and palmitic acid regardless of tobacco grade. After aging period of 21 months, the contents of malic, malonic, oxalic and fumaric acid showed a tendency to slightly decrease, whereas succinic acid was slightly increased, and maleic acid was not changed in B1O and C1L grades. The decreases in fatty acid contents in B1O and C1L grade tobacco loaves after 21 month aging were 16.5% and 9.8%, respectively. The decreases in linolenic acid contents in two grades were the highest, showing 22.1% and 12.0% reduction after 21 month aging.
Keywords
flue-cured; aging period; free sugar; organic acid; fatty acid;
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Times Cited By KSCI : 1  (Citation Analysis)
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