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  5. 茶子萃取物對高脂飲食大鼠體脂肪蓄積之影響
 
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茶子萃取物對高脂飲食大鼠體脂肪蓄積之影響

Other Title
Effects of extract from tea fruit (Camellia sinensis) on fat accumulation in high-fat fed rats
Type
thesis
Date Issued
2011-06-21
Author(s)
陳姿羽
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:葉松鈴;劉承慈
中文關鍵字:高脂飲食;體脂肪蓄積;茶子萃取物;脂肪細胞激素
Abstract
茶子萃取物 (Camellia sinensis) 富含多酚類、皂苷類,以可促進體內脂肪酸氧化,減少消化道的吸收作用而受到注目。本實驗以雄性 Wistar 大鼠,經一週適應期後分成控制組 (C組)、高脂飲食 (F組)、及高脂飲食補充不同劑量茶子萃取物的兩組 (L組, H組),每組各10隻。每週測量其體重變化及攝食狀況,經八週的飲食介入後予以犧牲。本研究結果發現:茶子萃取物介入可顯著降低高脂飲食造成腹部脂肪、相對脂肪重及體重增加的情形 (p < 0.05),同時可以顯著降低高脂飲食造成血漿游離脂肪酸濃度增加的情形 (p < 0.05)。由脂肪細胞激素的分析結果:給予茶子萃取物的攝取後,相較於高脂飲食組,可降低血漿Leptin濃度 (p < 0.05)。綜合以上結果得知:高脂飲食動物模式中,給予茶子萃取物介入,可能經由改善血漿游離脂肪酸濃度、調節體內脂肪細胞激素Leptin的表現,減少副睪、後背脂肪和相對總脂肪的堆積情況,達到減輕高脂飲食所誘發的肥胖及體脂肪蓄積的目的。
URI
https://203.71.86.71/handle/123456789/13478

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