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  5. 兔尾草之成分探討
 
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兔尾草之成分探討

Other Title
The constituents of Uraria crinita(L.)Desv. ex DC
Type
thesis
Date Issued
2010-07-12
Author(s)
洪筱喬
Advisor
李美賢
Subjects
系所名稱:生藥學研究所
Description
學位別:碩士
語文別:中文
指導教授:李美賢
共同指導教授:
口試委員:張溫良;李慶國
中文關鍵字:兔尾草;豆科;兔尾草屬;黃酮類
Abstract
兔尾草(Uraria crinita(L.)Desv. ex DC.)為豆科(Fabaceae)兔尾草屬(Uraria)多年生草本亞灌木,廣泛分布於中國大陸南部、海南島、香港、緬甸、泰國、菲律賓、爪哇及台灣等地。兔尾草根部以 95% 乙醇於室溫下反覆萃取三次,經過濾、濃縮後,95% 乙醇萃取物分別以正己烷、乙酸乙酯、正丁醇進行分配萃取,進一步進行乙酸乙酯層及正丁醇層萃取物之分離與純化,經由各種管柱層析及再結晶等方法,共得到十一個化合物,由物理和光譜數據解析,發現其中一個為新化合物,屬於 flavonoid結構的化合物(3),其它分別為 flavonoids 結構的化合物(1)、(4);phenolic acid 結構的化合物(2);amino acid結構的化合物(5);benzo-γ-pyrone glycosides結構的化合物(6)、(8);purine類的化合物(7);megastigmane glycoside結構的化合物(9);neolignan glycoside結構的化合物(10);pyrimidine類的化合物(11)。其中化合物(1)-(3),(5)-(11)為首次自兔尾草所分離出,化合物(3),(5)-(11)為首次自兔尾草屬所分離出。
URI
https://203.71.86.71/handle/123456789/13131

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