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題名:石蓮茶包浸泡液抗氧化功效探討
書刊名:國立高雄海洋科大學報
作者:楊景雍蕭玉田
作者(外文):Yang, Jing-iongHsiao, Yu-tein
出版日期:2004
卷期:19
頁次:頁23-38
主題關鍵詞:石蓮抗氧化總酚類黃酮Graptopetalum paraguayensAntioxidative activityTotal polyphenolFlavonoids
原始連結:連回原系統網址new window
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由於易保存與方便使用,石蓮茶包產品在市面已有一定數量的市場需求。本實驗探討石蓮新鮮葉體經熱風乾燥或冷凍乾燥後製成粉體,其冷水、熱水萃取液,共4種樣品其抗氧化性的變化,藉以了解乾燥方式與浸泡方法對石蓮抗氧化活性間之差異,以作為浸漬茶包加工時的參考。本研究結果顯示,熱風乾燥及冷凍乾燥之各式萃取液中其總酚及類黃酮含量差異不大,且兩者在DPPH自由基清除能力、還原力、清除超氧陰離子能力、及亞鐵離子螯合能力表現類似。此外由實驗數據分析發現,還原力與試樣中總酚含量相關性最高,而DPPH自由基清除能力與總酚含量的相關性最低,推測石蓮的DPPH自由基清除能力可能與總酚之外的物質相互影響。並建議如以經濟與抗氧化性需求考量,建議石蓮可用較經濟的40℃熱風乾燥72小時,取代用高成本冷凍乾燥製作石蓮乾燥茶包。
Due to their long-term storage and convenience, products of Shi-lan (Graptopetalum Paraguayens) tea bags have been demanded for the market. This research studied the antioxidative activities of water extracts of dried Shi-lan which were processed by freeze drying or hot air drying. Antioxidative activities of hot or cool water-extracted solutions of dried shi-lan were investigated in order to understand which exhibited the best antioxidative activities. The results indicated that there was no obvious antioxidative activity differences between the hot-air dried and the freeze dried shi-lan. In view of lower cost and antioxidative preservation, the dried shi-lan powder may produced by hot air drying under 40℃ for 72 hours.
期刊論文
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5.Philosoph-Hadas, S.、Meir, S.、Akiri, B.、Kanner, J.(1994)。Oxidative defense systems in leaves of three edible herb species in relation to their senescence rates。J. Agric. Food Chem.,42,2376-2381。  new window
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9.Williams, W. B.、Cuvelier, M. E.、Berset, C.(1995)。Use of a free radical method to evaluate antioxidant activity。Lebensm-Wiss. Technol.,28(1),25-30。  new window
10.Woisky, R.、Salatino, A.(1998)。Analysis of propolis: some parameters and procedures for chemical quality control。J. Apic. Res.,37,99-105。  new window
11.楊景雍、潘敏雄、蔡美玲、陳文傑(2003)。石蓮(Graptopetalum Paraguayens)之水與甲醇萃取液之抗氧化性與對Streptozotocin (STZ)誘發糖尿病大鼠血糖的影響。國立高雄海院學報,18,119-132。new window  延伸查詢new window
12.晏文潔、李家璞、杜平(2000)。類黃酮抗氧化力與其結構之關係。臺灣農業化學與食品科學,38(1),80-88。  延伸查詢new window
13.劉伯康、陳惠英、顏國欽(1999)。數種傳統食用植物甲醇萃取物抗氧化性之研究。中國農業化學會誌,37(1),105-116。  延伸查詢new window
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會議論文
1.楊景雍、陳伯彥、李大鶴、蕭靖懷、郭孫憲(2002)。石蓮花萃取物對Streptozotocin(STZ)誘發糖尿病大鼠之代謝的影響。中華民國食品科技學會第三十二次年會,(會議日期: 2002/12/01)。  延伸查詢new window
研究報告
1.楊景雍(2004)。國立高雄海洋科技大學與屏東神農青草農場產學建教合作研究計畫(92/7-93/6)成果報告書。  延伸查詢new window
學位論文
1.林明君(2002)。新鮮及乾燥番茄甲醇萃取液之抗氧化性比較(碩士論文)。大葉大學。  延伸查詢new window
 
 
 
 
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