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  5. 沉香葉的化學成分及傷口癒合活性之研究
 
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沉香葉的化學成分及傷口癒合活性之研究

Other Title
Chemical Constituents and Wound Healing Activities from the Leaves of Aquilaria sinensis
Type
thesis
Date Issued
2013-07-02
Author(s)
吳侑芩
Advisor
李慶國
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:李慶國
共同指導教授:蕭哲志
口試委員:呂彥禮;張文德;李宗徽
中文關鍵字:沉香;傷口癒合;基質金屬蛋白酶
Abstract
近年來一些新的研究顯示出,在傷口癒合期間,適當的促進MMP-9和MMP-2的活性有助於減少疤痕的形成。在傷口癒合活性的生物活性篩選中,發現沉香葉的粗萃物具有顯著促進proMMP-9和MMP-2的活性。因此,為了找出具有傷口癒合活性的化合物,本研究將沉香葉部的甲醇萃取物,進行了分離純化及鑑定。目前從沉香葉中,已分離出28個化合物,這28個化合物包含脂肪酸類、色酮類、黃酮類、木質素、醣苷類、固醇類以及萜類。這些化合物的結構,利用了各種不同的光譜儀器鑑定,包含IR, UV, MS, 1D及2D NMR;另外,MMP的活性則是以Zymography的方法來測定。結果發現,化合物AQ20具有顯著促進proMMP-9和MMP-2的活性(EC50 = 21.95, 15.82 μM)。本研究另外將五個AQ20的類似物也進行的活性測定,分別命名為20A~E,但最後結果其對於MMP-9和MMP-2並無顯著差異。目前的研究顯示出,化合物AQ20具有幫助傷口癒合的潛力且不具有細胞毒性,但還需要更進一步的研究來證實,在未來需進一步探討AQ20的SAR,並期望本研究在對傷口癒合上能夠發揮一定的效用。
URI
https://203.71.86.71/handle/123456789/13790

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