Search Results

86 results

  1. Tobacco Science & Technology, 2009, 5, p. 48-51, ISSN.1002-0861

    Enzyme activities in flue-cured tobacco and their correlations with tobacco grades and aging duration

    ZENG XIAO-YING; YANG JIN-KUI; DUAN YAN-QING
    Technology Center of Hongyun Honghe Tobacco (Group) Co, Ltd., Kunming, China
    Four enzymes (protease, cellulase, amylase and sucrase) in Yunnan flue-cured tobacco cv. K326 of different grades sampled at different intervals during aging were examined. The results showed that the activities of protease, amylase, cellulase and sucrase ...
  2. Tobacco Science & Technology, 2008, 4, p. 39-41, ISSN.1002-0861

    Effects of pH value of cut tobacco on nicotine in and smoking quality of cigarette smoke

    DUAN YAN-QING; YANG TAO; ZHE WEI
    Technology Center, Hongyun Tobacco (Group) Co., Ltd., Kunming, China
    In order to investigate the effects of pH value of cut tobacco on nicotine in and smoking quality of cigarette smoke, cut tobacco of two brands of cigarette was treated with 0.2 mol/L HCl and 0.5 mol/L NaOH aqueous solutions, respectively, and then the pH ...
  3. Tobacco Science & Technology, 2007, 3, p. 31-35, ISSN.1002-0861

    Transfer of near infrared calibration models combining with Karl Norris derivative filter and principal component analysis

    WANG JIA-JUN; LIU WEI
    Products Research Center of Honghe Cigarette Factory, Mile, Yunnan, China
    Of the 153 representative flue-cured tobacco samples scanned using Nicolet Antaris and PE Spectrum One NTS-NIR Spectrometer as source and target meters, respectively, the NIR spectral data of 120 samples were pretreated by Karl Norris derivative filter ...
  4. Tobacco Science & Technology, 2007, 6, p. 16-20, ISSN.1002-0861.

    Development of expert system for tobacco quality evaluating and cigarette blending

    XU RUO-FEI; LIU WEI; CHEN ZHANG-YU
    Technology Center, Hongyun Tobacco (Group) Co., Ltd., Kunming, China
    In order to use tobacco leaf reasonably, adopting the method of combining information collecting and analyzing with sensory evaluating, a cigarette blending expert system including six functional modules (leaf quality evaluating, leaf group blending, data ...
  5. CORESTA Congress, Paris, 2006, APOST 02

    Physiological and ecological effects of different soil temperatures on flue-cured tobacco root system

    YI Jianhua; JIA Zhihong; SUN Zaijun
    Technical Center of Changsha Cigarette Factory, Changshai, Hunan, China.
    Accordingly, it is of importance to study the action mechanisms of soil temperature on the growth of flue-cured tobacco in order to avoid disease incidences. The mulching methods with different covering and mulching materials were adopted to adjust root ...
  6. Tobacco Science & Technology, 2006, 11, p. 32-4, ISSN.1002-0861

    Synthesis of 2,3,4,6-O-tetraisovaleryl glucose and its application in cigarette

    YANG HUA-WU; TAN XIN-LIANG; LI YAN-LING
    Technology Center of Changsha Cigarette Factory, Changsha, China
    The 2,3,4,6-O-tetraisovaleryl glucose was synthesized with ethylenediamine acetate as a saponifier, characterized by 1 HNMR, HRMS and silylanized derivation MS, and applied in cigarettes as a flavorant. The sensory evaluation showed that the synthesized ...
  7. 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 is ...
  8. CORESTA Congress, Kyoto, 2004, AP 12

    Integrated Pest Management module for insect pests of tobacco in India

    SREEDHAR U.; SITARAMAIAH S.; VENKATESWARLU P.; DEO SINGH K.; NAGESWARARAO S.
    Central Tobacco Research Institute (CTRI), Rajahmundry (A.P.) India
    India is one of the major tobacco producing countries in the world. Tobacco is prone to infestation by various pests. In India caterpillar, Spodoptera litura; ground beetle; Mesomorphus villager; stemborer, Scrobipalpa heliopa; budworm, Helicoverpa ...