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  5. 油茶籽萃取物對於代謝症候群大鼠的影響
 
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油茶籽萃取物對於代謝症候群大鼠的影響

Other Title
Effects of Camillia oleifera seed extract on metabolic syndrome in rats
Type
thesis
Date Issued
2015-07-24
Author(s)
鄧子堯
Advisor
陳俊榮
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:陳俊榮
共同指導教授:
口試委員:羅慧珍;王靜瓊
中文關鍵字:油茶籽;代謝症候群;腹部脂肪堆積;發炎反應
英文關鍵字:Camellia oleifera seed;metabolic syndrome;abdominal fat accumulation;inflammation
Abstract
油茶籽粕為榨取茶油後的二次產物,本研究利用長期攝取高果糖高脂飲食的動物模式,探討在飲食中介入油茶籽萃取物 (extract of Camellia oleifera seed, ECS) 對於代謝症候群是否有正面的影響。使用 Wistar 品系大鼠進行實驗,將實驗動物分為四組,分別為控制組 (C)、高果糖高脂組 (H)、高果糖高脂組 + 低劑量 ECS (250 mg/kg-BW) (A) 及高果糖高脂組 + 高劑量 ECS (500 mg/kg-BW) (B)。實驗為期 16 週,採自由攝食及飲水,實驗期間測量收縮壓變化,於實驗末採集 24 小時糞便、血液、肝臟及腹部脂肪組織進行分析。A、B 組實驗末的體重變化量、腹圍、腹部總脂肪量與腹部脂肪百分比皆顯著低於 H 組,顯示 ECS 的給予可以減少高果糖高脂飲食造成的腹部脂肪累積和體重增加的情形。A、B 組相較於 H 組可顯著降低血清三酸甘油酯、肝臟脂質濃度及肝臟 SREBP1 蛋白質表現量、增加糞便脂質的排出。A、B 組肝臟及脂肪的發炎細胞激素濃度及肝臟 JNK1 及 NF-κB 蛋白質表現量皆顯著降低;禁食血糖、胰島素濃度及胰島素抗性指標、皆顯著低於 H 組。且 H 組的收縮壓於第 4 週起顯著高於 N 組,而 ECS 具有延緩血壓上升的作用。由本實驗結果發現,油茶籽萃取物可藉由減少腹部脂肪堆積、改善發炎反應、胰島素抗性及血壓上升,延緩代謝症候群的疾病進程。
URI
https://203.71.86.71/handle/123456789/57104

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