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79 results

  1. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2008, 23-2, p. 115-20., ISSN.0173-783X

    Evaluation of aroma in Oriental tobaccos as based on valeric acid gas chromatography

    DAGNON S.; TASHEVA R.; STOILOVA A.
    Inst. for Tobacco and Tobacco Products, Plovdiv, Bulgaria
    Levels of valeric acids (isovaleric and 3-methylvaleric) in leaves and smoke of different tobacco types were quantified by capillary gas chromatography (GC) using flame ionization detector (FID). The aroma characteristics of the smoke were scored by...
  2. CORESTA Congress, Kyoto, 2004, A 02

    Decision support system for soil fertility and water quality - evaluation in FCV tobacco- growing zones of India

    KRISHNAMURTHY V.; RAVISANKAR H.; DEO SINGH K.
    Central Tobacco Research Institute (CTRI), Rajahmundry (A.P.) India
    Information Technology has become an integral part of our day-to-day life. In agriculture, computers are extensively used to disseminate the information on soils, water, climatic conditions, pest and disease management and one such information system...
  3. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2003, 20-5, p. 355-9., ISSN.0173-783X.

    Application of pattern recognition method for color assessment of oriental tobacco based on HPLC of polyphenols

    DAGNON S.; EDREVA A.
    Inst. for Tobacco and Tobacco Products, Plovdiv, Bulgaria
    The color of Oriental tobaccos was organoleptically assayed, and high performance liquid chromatography (HPLC) of polyphenols was performed. The major tobacco polyphenols (chlorogenic acid, its isomers, and rutin), as well as scopoletin and...
  4. CORESTA Meeting, Agronomy/Phytopathology, Bucharest, 2003, AP 10

    Contribution of valeric acids to aroma characteristics of Oriental tobaccos

    DAGNON S.; TACHEVA R.; STOILOVA A.; EDREVA A.; CHRISTEVA D.
    Inst. for Tobacco and Tobacco Products, Plovdiv, Bulgaria
    Levels of free valeric acids (isovaleric and 3-methyl valeric) in leaves of different tobacco types were quantified by using CGC (capillary gas chromatography) equipped with flame ionization detector. Their content in tobacco smoke was also...