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題 名 | Classification of Fangchi Radix Samples by Multivariate Analysis=應用多變量分析於市售防己藥材之分類檢定 |
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作 者 | 莊青青; 蘇政宏; 黃文盈; 許順吉; | 書刊名 | 藥物食品分析 |
卷 期 | 16:5 2008.10[民97.10] |
頁 次 | 頁48-56+104 |
分類號 | 412.36 |
關鍵詞 | 防己; 高效液相層析儀; 層析質譜儀; 品種分類; 多變量分析; Fangchi radix; High-performance liquid chromatography; Species classification; Multivariate analysis; |
語 文 | 英文(English) |
英文摘要 | A total of 37 commercial samples of Fangchi Radix, including Sinomenium acutum, Stephania tetrandra, Aristolochia fangchi, and Cocculus orbiculatus, were collected from herb markets in Taiwan and China. The contents of 18 constituents in these samples were analyzed by high-performance liquid chromatography and were used to assess the potential relationships with their plant origins. A multivariate analysis, including a principal component analysis (PCA), cluster analysis (CA), and linear discriminant analysis (LDA) were used as the classification strategies. The successful natural groupings of the samples into 4 sets, namely, 5 S. acutum, 11 S. tetrandra, 15 A. fangchi, and 6 C. orbiculatus, were achieved by PCA and CA. The application of LDA gave the correct assignation percentages of 100.0% for all 4 groups. |
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