The Grades Classification of Burley Stems and Scraps using Cluster Analysis by Nicotine and Nitrate Contents
2006
Han, Y.R. (KTnG Central Research Institute, Daejeon, Republic of Korea) | Sung, Y.J. (KTnG Central Research Institute, Daejeon, Republic of Korea) | Kwon, Y.J. (KTnG Central Research Institute, Daejeon, Republic of Korea) | Kim, S.K. (KTnG Central Research Institute, Daejeon, Republic of Korea) | Lee, K.K. (KTnG Central Research Institute, Daejeon, Republic of Korea) | Kim, K.S. (KTnG Central Research Institute, Daejeon, Republic of Korea) | Rhee, M.S. (KTnG Central Research Institute, Daejeon, Republic of Korea)
The grades of burley tobacco stems and scraps were classified followed by the nicotine and nitrate contents by using the cluster analysis. The chemical components of the burley tobacco stems and scraps gathered from 2002 to 2005 were analyzed with auto analyzer. According to the nicotine contents and the nitrate contents, the burley stems and scraps could be classified three groups, respectively. In case of the burley scraps, the AB3T, AB4TR, B1T and B2T grades belonged to the 1∨st a group. The C1W and C2W grades belonged to the 2∨nd group and the CD3W and CD4TR belonged to the 3∨rd group.
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