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采用高效液相色谱法测定 天麻浓缩 颗粒中天麻 素的含量。色谱 柱: Shim pack C L C- O D S 柱; 检测波长: 270 n m ; 流 动 相: 甲 醇 - 磷 酸 盐 溶 液 ( 含 磷 酸 二 氢 钾 和 磷 酸 氢 二 钠 各 为 0 .1 m ol/ L) - 水(1 .5∶3∶95 .5) ; 柱温: 25 ℃。线性关系在2 .0 ~10 .0 μg 范围内, r = 0 .9997 , 平均加样回收率为 97 .84 % , R S D为1 .62 % 。
Determination of gastrodin content in gastrodin concentrated particles by high performance liquid chromatography. Column: Shim pack C L C-ODS column; Detection wavelength: 270 nm; Mobile phase: Methanol-phosphate solution (with potassium dihydrogen phosphate and disodium hydrogen phosphate each 0.1 mol/L) - Water (1. 5: 3: 95 .5); Column temperature: 25 °C. Linear relationship in 2. 0 to 10. Within the 0 μg range, r = 0 . 9997, the average recovery rate is 97. 84%, R S D is 1. 62%.