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題 名 | Flavonoids from the Leaves of Loranthus Kaoi (Chao) Kiu=高氏桑寄生葉部之類黃酮成分研究 |
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作 者 | 林哲輝; 林雅姿; | 書刊名 | 藥物食品分析 |
卷 期 | 7:3 1999.09[民88.09] |
頁 次 | 頁185-190 |
分類號 | 346.7 |
關鍵詞 | 高氏桑寄生; 桑寄生科; 葉部; 類黃酮化合物; Loranthus kaoi; Loranthaceae; Leaves; Flavonoids; |
語 文 | 英文(English) |
中文摘要 | 高氏桑寄生為桑寄生科植物,由其葉部之甲醇萃取物中分離到八種類黃酮類成分, 從各成分之物理性質及光譜數據確認其結構分別為:(+)-和(-)-catechin之混合物(1), (-)-epi-catechin(2),2',4',6'-trihydroxydihydrochalcone 4'-O-β-D-glucoside(3), pinocembrin 7-O-β-D-glucoside(4),kaempferol 3-O-α-D-rhamnoside(5),kaempferol 3,7-di-O-β-D-glucosdi(6),quercetin 3-O-α-D-rhamnoside(7)及quercetin 3-O-β- D-glucoside(8)。化合物3之光譜數據為首次提出。 |
英文摘要 | In continuing a chemical examination of Loranthaceous plants, this study isolated eight flavonoids from the fresh leaves of Loranthus kaoi, an endemic parasitic shrub found only at median altitudes in the central part of Taiwan. These compounds were a mixture of (+)- and (-)-catechin(1), (-)-epi-catechin(2), 2',4',6'-trihydroxydihydrochalcone 4'-O-β-D-glucoside(3), pinocembrin 7-O-β- D-glucoside(4),kaempferol 3-O-α-D-rhamnoside(5), kaempferol 3,7-di-O-β-D- glucosdi(6),quercetin 3-O-α-D-rhamnoside(7) 及quercetin 3-O-β-D-glucoside(8). The structures of compounds 1-8 were established on the basis of their physical properties and spectroscopic evidence. idence. |
本系統中英文摘要資訊取自各篇刊載內容。