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  5. 探討EPA、DHA、小米或天麻萃取物補充對強迫游水模式引致類似憂鬱情況之改善效果
 
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探討EPA、DHA、小米或天麻萃取物補充對強迫游水模式引致類似憂鬱情況之改善效果

Other Title
Antidepressant-like Effects of EPA, DHA, Millet or Gastrodia elata Bl. Extract on the Forced Swimming Test Model
Type
thesis
Date Issued
2009-05-26
Author(s)
張淑君
Advisor
黃士懿
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:黃士懿
共同指導教授:
口試委員:王銘富;黃惠煐;黃玲玲;謝明哲
中文關鍵字:憂鬱症;小米;天麻;二十碳五烯酸;二十二碳六烯酸;強迫游水試驗
Abstract
目前罹患憂鬱症的人口逐年攀升,甚至有文獻預測西元2020年時,憂鬱症將成為造成人口殘疾的第二大原因。目前抗鬱劑的使用並沒有辦法有效改善患者的病情,因此尋求具有改善憂鬱作用之食品遂成為全球所重視的課題之一。本次實驗利用大鼠強迫游水試驗以評估富含小米、天麻、二十碳五烯酸(eicosapentaenoic acid, EPA)及二十二碳六烯酸(docosahexaenoic acid, DHA)之飲食對於雄性成鼠行為表現之影響。實驗期間分別給予70隻Sprague-Dawley大鼠富含大豆油(含imipramine組-投予抗鬱劑imipramine)、小米粉末、天麻萃取物、富含EPA之魚油及富含DHA之魚油的飲食。各組大鼠經六週的飲食介入後進行強迫游水試驗(forced swimming test, FST)並犧牲,採集血液、組織檢體,進行血漿、紅血球及腦部前額葉皮質之脂肪酸組成分析,並分析腦部前額葉皮質中單胺氧化酶-A(monoamine oxidase A, MAO-A)活性及腦源性神經營養因子(brain-derived neurotrophic factor, BDNF)濃度。於強迫游水試驗之結果中發現,小米組及EPA組之靜止時間(immobile time)顯著少於控制組(p<0.05),且其腦源性神經營養因子濃度亦顯著提高(p<0.05)。與控制組比較發現EPA組、小米組及天麻組之腦源性神經營養因子濃度均顯著提高(p<0.05)。而於腦部前額葉皮質脂肪酸組成之結果中發現,與控制組比較,EPA組之C20:4所佔比例顯著降低。綜合以上結果發現,富含EPA之飲食可藉由降低腦部前額葉皮質之C20:4以達到抗發炎之作用,並提高腦源性神經營養因子濃度以達到維持神經細胞正常生長及其功能,進一步改善大鼠於生理壓力下類似憂鬱行為之表現。而富含小米之飲食可藉由提高腦源性神經營養因子濃度以達到維持神經細胞正常生長及其功能,進一步改善大鼠於生理壓力下類似憂鬱行為之表現。
URI
https://203.71.86.71/handle/123456789/12855
https://hdl.handle.net/11296/agdj32
File(s)
No Thumbnail Available
Name

C0191227.pdf

Size

17.49 MB

Format

Adobe PDF

Checksum

(MD5):9213c00c00ba99c8d1f1fe3a923ea40e

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