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  5. 中鏈油對於STZ誘發之第2型糖尿病大鼠脂質代謝之影響機制的探討
 
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中鏈油對於STZ誘發之第2型糖尿病大鼠脂質代謝之影響機制的探討

Other Title
The effects of medium-chain triglyceride oil on lipid metabolism in streptozotocin induced type 2 diabetes mellitus rats
Type
thesis
Date Issued
2007-06-06
Author(s)
宋明樺
Advisor
簡怡雯
Subjects
系所名稱:保健營養學研究所
Description
學位別:碩士
語文別:中文
指導教授:簡怡雯
共同指導教授:
口試委員:鄭心嫻;黃惠宇
中文關鍵字:第2型糖尿病;中鏈油;長鏈油;脂質代謝
Abstract
中鏈油 (medium-chain triglyceride oil, MCT) 中所攜帶的為飽和及碳數介於6-12之間的脂肪酸鏈,由於MCT在體內的運輸途徑與氧化速率不同於長鏈油 (long-chain triglyceride oil, LCT),因此本次實驗係探討在低與高油飲食中利用MCT部分取代黃豆油對於第2型糖尿病大鼠體內脂質代謝相關酵素活性與脂質代謝的影響。實驗主要以32隻Sprague-Dawley大鼠為研究對象,以STZ誘發為第2型糖尿病後分為低黃豆油組 (Low soybean oil diet, LS)、低中鏈油組 (Low medium-chain triglyceride oil diet, LM)、高黃豆油組 (High soybean oil diet, HS) 與高中鏈油組 (High medium-chain triglyceride oil diet, HM)。實驗期8週後,分析血糖、血脂質、肝臟脂質及酵素活性,並將肝臟與生殖腺周圍白色脂肪組織進行H&E染色。結果顯示,在高油飲食中MCT的部份取代具有降低血液中LDL-C、NEFA與肝臟中TC濃度;且具有提升血液中HDL-C與HDL-C/LDL-C比值的效果。由上述結果推論MCT的給予可能藉由降低大鼠體重、調節肝臟中Acyl-CoA carboxylase、HMG-CoA reductase、Acyl-CoA oxidase與Carnitine palmitoyltransferase酵素活性達到降低血脂質與肝脂質的效果;且MCT改善效果在高油飲食中較為顯著。
URI
https://203.71.86.71/handle/123456789/12011
https://hdl.handle.net/11296/ycx4er
File(s)
No Thumbnail Available
Name

C0183310.pdf

Size

14.37 MB

Format

Adobe PDF

Checksum

(MD5):0ad3e6d67d4209204ff74e9de2ae2219

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