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3 results

  1. Tobacco Science & Technology, 2012, 6, p. 45-47, ISSN.1002-0861

    Analysis of cortex moutan extract with GC/MS

    QU Jiani; JIANG Xingtao; XIAO Haihong; LI Qingting; QIANG Yaofeng
    Shenzhen Boton Flavors & Fragrances Co., Ltd., Shenzhen 518051, Guangdong, P.R. China
    In order to develop a natural tobacco flavor, the main volatile components in Cortex Moutan extract were identified by SPME-GC/MS, and the influence of SPME conditions on determination results was investigated. The results showed that: 1) the proper SPME ...
  2. Tobacco Science & Technology, 2010, 8, p. 34-40., ISSN.1002-0861

    Determination of twenty free amino acids in tobacco leaves by HPLC with pre-column derivatization

    CHENG YONG; CHEN LING; DENG XIAO-CHUN
    Shenzhen Boton Flavours and Fragrances Co., Ltd, Shenzhen 518051, Guangdong, P.R. China
    A method for determining 20 free amino acids in tobacco leaf was established by using 2,4-dinitrofluorobenzene (DNFB) as a derivative reagent, 0.015 mol/L disodium hydrogen phosphate and potassium dihydrogen phosphate as buffer solution and 50% aqueous ...