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題 名 | Analysis and Comparison of Baicalin, Baicalein and Wogonin Contents in Traditional Decoctions and Commercial Extracts of Scutellariae Radix=黃芩之傳統煎劑與濃縮製劑市場品中黃芩苷、黃芩苷元和漢黃芩素含量之分析與比較 |
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作 者 | 賴妙英; 陳忠川; 徐素蘭; 李珮端; | 書刊名 | 藥物食品分析 |
卷 期 | 9:3 2001.09[民90.09] |
頁 次 | 頁145-149 |
分類號 | 414.33 |
關鍵詞 | 黃芩; 黃芩苷; 黃芩苷元; 漢黃芩素; 傳統煎劑; 濃縮製劑; Scutellariae Radix; Baicalin; Baicalein; Wogonin; Decoction; Commercial extract; |
語 文 | 英文(English) |
中文摘要 | 本研究使用等壓高效液相層析法,同時分析黃芩傳統煎劑及濃縮製劑中之黃酮類 成分 -- 黃芩��、黃芩��元和漢黃芩素之含量。 採用 Inertsil ODS-2 逆相層析管柱, 以 acetonitrile-0.005 % phosphoric acid (36:64,v/v) 之混合溶液為移動相, 流速為 1 mL/min,檢測波長為 270 nm,並以 ethyl paraben 為內標準。此分析方法可應用於黃芩藥 材和濃縮製劑產品之品質管制。定量分析各十個市場品之結果顯示,每公克黃芩之傳統煎劑 含黃芩��、 黃芩��元及漢黃芩素平均分別為 62.7 ± 4.6、5.5 ± 0.2 及 1.7 ± 0.1 毫 克,而濃縮製劑中每公克平均含 82.3 ± 8.5、15.0 ± 2.0 及 5.3 ± 0.5 毫克。計算其 每日最大劑量,黃芩傳統煎劑平均含黃芩��、黃芩��元及漢黃芩素分別為 564.7 ± 41.7、 49.7 ± 1.9 及 15.6 ± 1.0 毫克, 而濃縮製劑則含 241.9 ± 41.1、 53.7 ± 16.4 及 17.9 ± 4.6 毫克。 |
英文摘要 | Baicalin, Baicalein and wogonin are bioactive flavonoids of Scutellariae Radix. In order to compare the contents of baicalin. baicalein and wogonin between traditional decoction and commercial extract, ten crude drugs and ten commercial extracts of Scutellariae Radix were purchased from the market. High performance liquid chromatographic method was used for simultaneous assay of these flavonoid constituents. The separatin was performed on an Inertsil ODS-2 column with acetonitrile -0.005% phosphoric acid (36:64, v/v) as mobile phase at a flow-rate of 1.0 mL/min and detection at 270 nm, and ethyl paraben was used as the internal standard. This method is applicable for the routine quality control of the crude drug and commercial extract of Scutellariae Radix. The results indicated that the contents of baicalin, baicalein and wogonin in traditional decoctions of each gram of Scutellariae Radix were 62.7 ± 4.6 mg, 5.5 ± 0.2 mg and 1.7 ± 0.1 mg, whereas those in each gram of commercial extracts were 82.3 ± 8.5 mg, 15.0 ± 2.0 mg and 5.3 ± 0.5 mg, respectively. The suggested daily doses of crude drug and commercial extract of Scutellariae Radix are 3.0-9.0 g and 0.4-9.0 g, respectively. Based on our results, the contents of baicalin, baicalein and wogonin in the maximum daily doses for traditional decoctions of Scutellariae Radix were 564.7 ± 41.7 mg, 49.7 ± 1.9 mg and 15.6 ± 1.0 mg, whereas those for commercial extracts were 241.9 ± 41.1 mg, 53.7 ± 16.4 mg and 17.9 ± 4.6 mg, respectively. |
本系統中英文摘要資訊取自各篇刊載內容。