Changes of Aroma and Volatile Components of Korean Leaf Tobaccos from a Different Stalk Positions

국산 원료잎담배의 착엽위치에 따른 향기성분 및 휘발성 성분의 변화

  • Published : 2005.06.01

Abstract

This study was conducted to determine the aroma and volatile component changes from a different stalk positions of Korean flue-cured tobacco. Eight different stalk positions of flue-cured leaf tobaccos harvested in 2001 were used for this study. Thermal extraction method at two different treatment temperature($50\;amp;\;80^{\circ}C$) was applied for this experiment. Forty eight kinds of aroma and volatile components such as 2,4-heptadienal, hexadecane, 1-methyl-1H- pyridine, 2,5-dimethyl-1H-pyrrole were analyzed by using thermal extraction method. All of aroma and volatile components of leaf tobaccos were changed from a different stalk positions and treatment temperature. Leaf tobaccos in middle stalk position have a higher concentration of aroma and volatile components such as norsolanidione, 4-pyridinecarboxaldehyde, 4-methyl-4-OH-2-pentanone, acetic acid, propylene glycol, 1-methyl-2-pyrrolidinone, 2,5-dimethyl-1H-pyrrole. Also, Megastigmatrienone 1, 3-oxo-[alpha]­ionol, 6,10,14-trimethyl-2-pentadecanone, heptadecane, 6-methyl-2-isohexyl-l-heptene concentration were low in the middle stalk position and high in both bottom and upper position. Treatment temperature affected on the changes of many aroma and volatile components in leaf tobacco. Most of aroma and volatile components such as, 2,4-Heptadienal, dodecanoic methylester, famesol isomer and 3-acetylpyridine were sharply increased as increasing treatment temperature. This results can be used to estimate the aroma characteristics of cigarette blend using a different stalk position of leaf tobacco.

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References

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