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  5. 梅花鹿鹿茸改善骨質疏鬆活性研究
 
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梅花鹿鹿茸改善骨質疏鬆活性研究

Other Title
Antiosteoporotic Activity of Velvet Antler of Cervus nippon
Type
thesis
Date Issued
2011-07-15
Author(s)
宋俊賢
Advisor
王靜瓊
曾頌惠
Subjects
系所名稱:生藥學研究所
Description
學位別:碩士
語文別:中文
指導教授:王靜瓊
曾頌惠
共同指導教授:
口試委員:林山陽;陳適卿
中文關鍵字:鹿茸;骨質疏鬆;更年期;小鼠骨母細胞;鈣;鐵;類胰島素生長因子;微型電腦斷層掃描
Abstract
骨質疏鬆症好發於停經後的婦女,主因為女性進入更年期後,卵巢功能降低導致雌激素及黃體素等女性荷爾蒙體內濃度下降,而間接導致骨質的流失。中醫認為更年期和骨質疏鬆與「腎氣」有關;而鹿茸入肝、腎二經,具有壯腎陽,補氣血,益精髓,強筋骨之功效。鹿茸各區段隨著骨化程度之不同,成份及活性都不同。因此本研究以將探討梅花鹿茸之各區段改善骨質疏鬆與成分之關係,找出具預防骨質疏鬆之鹿茸最佳化品質條件。
本研究先以鹿茸乙醇萃取物對MC3T3-E1小鼠骨母細胞進行體外試驗,評估鹿茸萃取物對於骨質重塑之影響。結果顯示:於100 μg/ml以上之鹿茸上段具有最佳刺激MC3T3-E1細胞增生,較控制組增加50%,據Alizarin Red S染色結果顯示25 μg/ml以上,鹿茸上段亦可刺激MC3T3-E1細胞礦化效果,而中段、基部活性依序遞減。繼而分析鹿茸之上段、中段及基部化學分析,結果顯示:蛋白質及總胺基酸含量以上段最多,中段次之,基部最少(蛋白質522、456及391 mg/g;總胺基酸478、437及359 mg/g)。在礦物質方面,鐵是呈現由上段往基部遞減,其含量分別為185、114及92 μg/g,鈣質則由上段往基部遞增,其含量分別為133、164及182 mg/g。其中胰島素樣生長因子(IGF-1)、睪固酮(testosterone)及雌二醇(estradiol)含量亦由上段至基部遞減。
根據衛生署「健康食品之改善骨質疏鬆評估方法」,將卵巢摘除大鼠連續二十週餵服各區段鹿茸(0.1 g/kg/day)。餵服上段之大鼠血中鹼性磷酸酶活性較控制組低,並經Micro-CT分析大鼠脛骨,餵服鹿茸上段、中段之病鼠的骨小樑之骨質比例(BV/TV, Percent bone volume)及單位數量(Tb.N, trabecular number)皆較控制組顯著性增加,而骨小樑分離度(Tb.sp, trabecular separation)較控制組顯著性下降。經骨強度測試儀測試,餵服各區段鹿茸皆使卵巢摘除大鼠的腰椎之強度均優於控制組,而餵服鹿茸上段及中段之病鼠股骨強度則較控制組高。綜合結果,各區段鹿茸均具有改善骨質疏鬆之活性與成分,且以鹿茸上段及中段之活性較佳,配合化學成分分析結果,發現鈣質含量較高之鹿茸骨化程度較高而活性較差,鐵、胺基酸、蛋白質、性激素成分含量較高之鹿茸活性較佳。
URI
https://203.71.86.71/handle/123456789/13459

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