Re: [轉錄]Re: [轉錄]Re: [心得] 很刺激皮膚的"保븠…
看板Aromatherapy (芳香療法)作者limingbalm (青色)時間17年前 (2009/02/14 17:18)推噓7(7推 0噓 62→)留言69則, 9人參與討論串4/5 (看更多)
既然有人說文摘就能看出整個實驗了...
那我再來回一篇...
※ 引述《honu (水母)》之銘言:
: ※ [本文轉錄自 BeautySalon 看板]
: 作者: LOLIVA (蘿莉(  ̄ c ̄)y▂ξ) 看板: BeautySalon
: 標題: Re: [轉錄]Re: [心得] 很刺激皮膚的"保養"行為
: 時間: Thu Feb 12 13:56:00 2009
43
: 1. "Cell Proliferation,volume 37, issue 3, June 2004, page 221"
: http://www3.interscience.wiley.com/cgi-bin/fulltext/118794300/PDFSTART
: 摘要:
: Lavender (Lavandula angustifolia) oil, chiefly composed of linalyl acetate
: (51%) and linalool (35%), is considered to be one of the mildest of known
: plant essential oils and has a history in wound healing. Concerns are
: building about the potential for irritant or allergenic skin reactions
: with the use of lavender oil. This study has demonstrated that lavender
: oil is cytotoxic to human skin cells in vitro (endothelial cells and
: fibroblasts) at a concentration of 0.25% (v/v) in all cell types tested
: (HMEC-1,HNDF and 153BR). The major components of the oil, linalyl acetate
: and linalool, were also assayed under similar conditions for their
: cytotoxicity. The activity of linalool reflected that of the whole oil,
: indicating that linalool may be the active component of lavender oil.
: Linalyl acetate cytotoxicity was higher than that of the oil itself,
: suggesting suppression of its activity by an unknown factor in the oil.
: Membrane damage is proposed as the possible mechanism of action.
這篇在講薰衣草精油當中的芳樟醇"可能"(注意 他是說"可能")造成細胞毒性...
簡單翻譯如下:
薰衣草精油主要成份為乙酸沉香酯與芳樟醇,
他被認為是溫和的植物精油且從古至今具有療癒能力,
本篇主要建構於薰衣草精油的潛在刺激性與皮膚致敏性.
這研究說明, 薰衣草精油對人類皮膚細胞
(endothelial cells and fibroblasts)
在試管內含0.25%的濃度進行所有細胞的測試(HMEC-1,HNDF and 153BR).
精油主要成份如乙酸沉香酯 芳樟醇也是以類似條件測試其細胞毒性.
芳樟醇反應了整體精油, 這代表芳樟醇可能是薰衣草精油中反應的主要成份.
乙酸沉香酯的細胞毒性遠高過精油本身, 這暗示其中有某一機制抑制其作用.
可能是細胞膜受損的機轉...
(以上翻得有點2266 有錯請指正)
好的... 這就是文摘的部份...
以下是個人認為合理的質疑,
可以跟我說他做了那些實驗嗎?
是只有薰衣草精油在0.25%的實驗, 還是另外單提沉香醇與乙酸沉香酯後的實驗?
或者是這三者同時進行?
既然有人對實驗組 對照組 這些狀態這麼在意,
有人可以跟我說這當中有寫到這些東西嗎?
我看到的文摘是實驗以可能的假設疑問而設計出來,
但我沒有看到上面有明確說明什麼...
而這個文摘就我理解只是在表達他們所做的是建立在怎麼樣的架構的實驗...
也許我英文不好有翻錯或者會意錯,
但就對這文摘對我而言, 一來他不足以說明實驗過程(因為跟本沒有寫出來),
一來他也不足以說明薰衣草針對人體就一定確定肯定有細胞毒性...
以下43
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