查詢結果分析
相關文獻
- 香蜂草乾燥層厚度與溫度對總抗氧化力之影響
- 新引進藥用植物之活性分析初步研究
- 香蜂草(Melissa Officinalis L.)品種間抗氧化能力比較之研究
- Effects of Zinc Deficiency on Endogenous Antioxidant Enzymes and Lipid Peroxidation in Glomerular Cells of Normal and Five-Sixths Nephrectomized Rats
- 自由基與抗氧化物在心臟血管疾病所扮演的角色
- 大蒜粉末對倉鼠降血脂作用及其體內抗氧化狀態之影響
- 從事劇烈運動需要補充硫醇性的抗氧化劑:穀胱甘冴
- 百香果殼主要花青素及其抗氧化性之研究
- 蘿蔔嬰萃取物於模式系統之抗氧化性
- 桑葉甲醇萃取物抗氧化機制之探討
頁籤選單縮合
題 名 | 香蜂草(Melissa Officinalis L.)品種間抗氧化能力比較之研究=Comparisons of the Antioxidant Abilities among Different Melissa Officinalis L. Species |
---|---|
作 者 | 郭肇凱; 張隆仁; 王念慈; | 書刊名 | 臺中區農業改良場研究彙報 |
卷 期 | 97 2007.12[民96.12] |
頁 次 | 頁21-29 |
分類號 | 435.46 |
關鍵詞 | 香蜂草; 抗氧化; DPPH; FRAP; Melissa officinalis; Antioxidant; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以清除 DPPH自由基與 FRAP法來測定四種香蜂草品種 (TCA8901、TCA8902、 TCA8903與TCA9101)之水萃凍乾物、袋茶浸出液以及精油等樣品之抗氧化能力。清除 DPPH自由基能力之分析顯示,清除 50% DPPH自由基之濃度 (IC50)以香蜂草TCA8901 (43 μg/mL)之水萃凍乾物樣品表現最佳,其次依序為 TCA9101 (53 μg/mL)、TCA8902 (55 μg/mL)及TCA8903 (57 μg/mL),再者為袋茶浸出液 (168 μg/mL);精油部分則皆表現不佳。水萃凍乾物樣品之 FRAP分析方面,顯示香蜂草 TCA9101之表現最佳,其 1 g水萃凍物粉末之還原能力 FRAP值相當於 13.75 mg的維生素 C,其他依序為 TCA8901 (13.70 mg)、 TCA8903 (12.54 mg)以及TCA8902 (12.16 mg),再者為袋茶浸出液 (1.83 mg);精油樣品之 FRAP分析結果方面,香蜂草 TCA9101之表現最佳,其 1 g精油之還原能力FRAP值相當於 148.9 mg的 BHT,其他依序為 TCA8901 (135.9 mg)、 TCA8902 (121.9 mg)以及 TCA8903(103.7 mg)。整體而言,以品種 TCA8901及TCA9101之抗氧化能力表現較佳。 |
英文摘要 | The purpose of this study was to evaluate the antioxidant abilities of freeze-dried water extracts and essential oils from 4 species of Melissa officinalis L. (TCA8901, TCA8902, TCA8903 & TCA9101) and the tea bag of M. officinalis L., using cavenging DPPH and FRAP assays. In scavenging 50 % DPPH assay (IC50), freeze-dried water extract of TCA8901 had higher antioxidant activity (43 μg/mL), followed by TCA9101 (53 μg/mL), TCA8902 (55 μg/mL), TCA8903 (57 μg/mL), and tea bag liquor (168 μg/mL). However, no apparent antioxidant activity was observed with essential oils. In the FRAP assay, each gram of freeze-dried water extracts had different reducing capacity (FRAP value) in an order of TCA9101, TCA8901, TCA8903 and TCA8902, equivalent to 13.75, 13.70, 12.54 and 12.16 mg vitamin C, respectively. The FRAP value of tea bag liquor was equivalent to 1.83 mg vitamin C. Moreover, each gram of essential oils was found to have reducing capacity (FRAP value) in an order of TCA9101, TCA8901, TCA8902 and TCA8903, equivalent to 148.9, 135.9, 121.9 and 103.7 mg of BHT, respectively. Above all, M. officinalis species of TCA8901 and TCA9101 were found to have better antioxidant abilities in this study. |
本系統中英文摘要資訊取自各篇刊載內容。