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  5. 假繁縷與扁桃斑鳩菊之活性成分探討
 
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假繁縷與扁桃斑鳩菊之活性成分探討

Other Title
Studies on the Bioactive Constituents from Glinus oppositifolius and Vernonia amygdalina
Type
thesis
Date Issued
2015-07-09
Author(s)
姚采涵
Advisor
黃偉展
徐鳳麟
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:黃偉展
共同指導教授:徐鳳麟
口試委員:顧記華;李美賢;吳姿樺
中文關鍵字:假繁縷;扁桃斑鳩菊;斑鳩菊皂苷B5;降血糖
英文關鍵字:Glinus oppositifolius;Vernonia amygdalina;vernonioside B5;hypoglycemic.
Abstract
本研究分為兩部份,第一部份主要探討粟米草科(Molluginaceae)植物假繁縷Glinus oppositifolius全草甲醇萃取物之活性成分探討。假繁縷全草甲醇萃取物經由各種層析技術,共分離出十六個化合物,根據核磁共振光譜分析、物理數據及文獻資料比對後,其結構分別確定為:kaempferol (1)、kaempferol 3-O-β-D-glucopyranoside (2)、kaempferol 3-O-β-D-galactopyranoside (3)、vicenin II (4)、p-hydroxybenzoic acid (5)、vanillic acid (6)、trans-ferulic acid (7)、trans-cinnamic acid (8)、p-hydroxyacetophenone (9)、vanillin (10)、lotoidoside E (11)、spergulin A (12)、spergulacin (13)、β-sitosterol (14)、spinasterol 3-O-β-D-glucopyranoside (15)及adenosine (16),其中化合物2、11、15則從假繁縷中為首次被分離出來。另外,第二部份進行菊科(Asteraceae)植物扁桃斑鳩菊Vernonia amygdalina葉子甲醇萃取物之活性成分。扁桃斑鳩菊葉部醇萃取物經由各種層析管柱及不同溶媒系統層析後,共分離出十二個化合物,根據核磁共振光譜分析、物理數據及文獻資料比對後,其結構分別確定為:L-phenylalanine (17)、uracil (18)、(R)-1,2,3,4-tetrahydro-β-carboline-3-carboxylic acid (19)、(Z)-2-(4-hydroxybenzyl)butenedioic acid (20)、p-hydroxyphenyl itaconic acid (21)、vernonioside B2 (22)、vernonioside B5 (23)、chlorogenic acid (24)、1,3-O-dicaffeoylquinic acid (25)、methyl 3,5-O-dicaffeoylquinate (26)、luteolin (27)及luteolin-7-O-β-D-glucopyranoside (28)。其中化合物17, 18為由扁桃斑鳩菊中首次被分離出來,而化合物19, 21為首次從天然物中分離出來,化合物23則為新化合物。利用小鼠肝臟細胞(FL83B)葡萄糖攝取,評估經純化後之化合物活性,化合物濃度2.5 µM下,假繁縷分離之化合物4 (101.3%)、11 (104.1%)、12 (124.1%)具有促進效果,扁桃斑鳩菊葉部分離之化合物17 (111.0%)、20 (106.4%)、25 (104.3%)有促進作用。
URI
https://203.71.86.71/handle/123456789/57070

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