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  2. .TMU Publications / 北醫出版品(教師升等著作 / 教學實踐 / 學位論文)
  3. .博碩士學位論文
  4. .95學年度
  5. 防曬化妝品之天然物開發
 
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防曬化妝品之天然物開發

Type
thesis
Date Issued
2006
Author(s)
張簡瑞蓉
Advisor
李慶國  
蕭哲志
Subjects
系所名稱:生藥學研究所
Publisher
Graduate Institute of Pharmacognosy / 生藥學研究所
Description
C0178720
Abstract
隨著地球臭氧層的破壞使紫外線對皮膚的傷害愈來愈嚴重,而皮膚接受到紫外線會導致急性和慢性的反應,急性反應會使皮膚產生發炎和水腫,就是所謂的曬傷,除了發炎反應之外,也會導致皮膚提早老化和皮膚癌的發生。本研究的目的在探討台灣常用藥用植物應用於防曬及曬後恢復,從台灣常使用的49種藥用植物進行活性篩選,首先是進行防曬的活性篩選,從化學防曬劑的觀點,利用物質本身對紫外線波段的吸收來隔絕紫外線,發現UVA部份以AWS活性最佳,UVB部份則以PSR活性最佳。在抗發炎活性篩選實驗中,利用抑制Neutrophil產生ROS實驗模式發現WLF抑制發炎效果最佳,在20 ug/ml和50 ug/ml濃度下抗發炎活性都比Kinetin還好,抑制效果約80%,另外AWS在 20 ug/ml和50 ug/ml濃度下抑制率也有50%以上。最後進行抗光老化的活性篩選,藉由抑制MMP-2和MMP-9活性,使皮膚ECM不受到MMP-2和MMP-9的分解造成皮膚老化,其抗老化活性以DSL和EWF效果最佳。綜合以上的結果,希望能以AWS、PSR、WLF、DSL或EWF等植物來組成一個複方的防曬劑,兼具防曬和曬後的恢復,以開發作為新一代天然的防曬天然產品。
URI
https://203.71.86.71/handle/123456789/8789
https://hdl.handle.net/11296/fjzct3
File(s)
No Thumbnail Available
Name

C0178720.pdf

Size

15.23 MB

Format

Adobe PDF

Checksum

(MD5):1786a284cd8ce6ca48d05c1a5cc5af8d

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