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題 名 | 香蜂草乾燥層厚度與溫度對總抗氧化力之影響=Influence of Drying Layers Thicknesses and Drying Temperatures on the Total Antioxidant Activity of Lemon Balm |
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作 者 | 陳俊龍; 鄭政峰; 陳俊明; 尤瓊琦; | 書刊名 | 農林學報 |
卷 期 | 55:4 民95.12 |
頁 次 | 頁265-274 |
分類號 | 434.94 |
關鍵詞 | 香蜂草; 乾燥; 總抗氧化力; Lemon balm; Drying; Total antioxidant activity; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究結果獲致三種乾燥層厚度3、6與9cm,在相同乾燥溫度下乾燥所獲得之香蜂草乾品樣本,經由ANOVA變異數分析皆具有相同之抗氧化能力。香蜂草乾品清除ABTS.+陽離子自由基之能力,則隨乾燥溫度降低而提高;烤箱熱風與吸附除濕兩種乾燥方式,分別以40與20℃兩溫階,獲致香蜂草乾品有較佳之效果,其總抗氧化力TEAC值分別為0.12與0.24 mmol/L。本研究亦獲致烤箱熱風與吸附除濕最佳乾燥條件分別為溫度40與35℃,雖兩者之香蜂草乾品抗氧化無顯著差異,但以吸附除濕乾燥所獲得之乾品有較高之ABT.+陽離子自由基清除率,因此獲致最佳之香蜂草乾燥條件為35℃吸附除濕乾燥。 |
英文摘要 | In this research, the drying products obtained from the three drying layers of thicknesses 3, 6 and 9 cm using hot-air 40℃ demonstrated that using the ANOVA analysis, the values of trolox equivalent antioxidant capacity (TEAC) showed no significant difference among these three experimental sets. The lemon balm ability to clean the ABTS. +free-radicals raised as the drying temperature decreased. The testing results also showed that the hot-air 40℃ with the TEAC value 0.12 mmol/L and the desiccant dehumidification 20℃ with the TEAC value 0.24 mmol/L, respectively, held the best capability of cleaning the ABTS.+free-radicals in each drying method. Through the comparison of the drying products obtained from the optimum drying temperatures of hot-air 40℃ and desiccant dehumidification 35℃, respectively, the TEAC value showed no significant difference, while the desiccant dehumidification method had a higher value of scanveging effect with a better free-radicals cleaning ability. Therefore, the optimum drying condition obtained for lemon balm was temperature 35℃ in the desiccant dehumidification drying method. |
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