不同炮制工艺盐菟丝子中4种黄酮类成分的定量分析 点击下载
论文标题: 不同炮制工艺盐菟丝子中4种黄酮类成分的定量分析
英文标题:
中文摘要: 目的:考察不同炮制工艺对盐制菟丝子中4种黄酮类成分含量的影响。方法:以不同烘制温度(70、100、130、160、190、210 ℃)、烘制时间(10、15、30、45、60、75 min)、闷润时间(0.5、1、2、4、6 h)制备盐制菟丝子饮片。采用高效液相色谱法测定饮片中金丝桃苷、芦丁、槲皮素和山柰素的含量:色谱柱为Synergi 4u Hydro-Rp 80A,流动相为甲醇-0.1%磷酸(梯度洗脱),流速为1.0 ml/min,检测波长为360 nm,柱温为35 ℃。结果:金丝桃苷、芦丁、槲皮素、山柰素检测进样量线性范围分别为0.416~12.48 μg(r=0.999 9)、0.14~4.2 μg(r=0.999 9)、0.185~5.55 μg(r=0.999 9)、0.078~2.34 μg(r=0.999 8);精密度、稳定性、重复性试验的RSD<3%;加样回收率分别为95.55%~99.74%(RSD=2.12%,n=6)、95.96%~101.42%(RSD=2.01%,n=6)、95.76%~102.75%(RSD=2.77%,n=6)、99.42%~104.93%(RSD=2.02%,n=6)。烘制温度为160 ℃,烘制时间为60 min,闷润 2 h时盐制菟丝子黄酮类成分含量最高。结论:不同炮制工艺对盐菟丝子中黄酮类成分含量有较大影响。
英文摘要: OBJECTIVE: To investigate the effect of different processing methods on 4 kinds of flavonoids contents in salt-processed Cuscuta chinensis. METHODS: Salt-processed C. chinensis piece was processed with different baking temperature (70 ℃, 100 ℃, 130 ℃, 160 ℃, 190 ℃ and 210 ℃), baking time (10 min, 15 min, 30 min, 45 min, 60 min and 75 min) and moistening time (0.5 h, 1 h, 2 h, 4 h and 6 h). HPLC was adopted for contents determination of hyperoside, rutin, quercetin and kaempferol: the column was Synergi 4u Hydro-Rp 80A with mobile phase of methanol - 0.1% phosphoric acid (gradient elution) at a flow rate of 1.0 ml/min, the detection wavelength was 360 nm, and column temperature was 35 ℃. RESULTS: The linear range was 0.416-12.48 μg for hyperoside (r=0.999 9), 0.14-4.2 μg for rutin (r=0.999 9), 0.185-5.55 μg for quercetin (r=0.999 9) and 0.078-2.34 μg (r=0.999 8); RSDs of precision, stability and reproducibility tests were lower than 3%; recoveries were 95.55%-99.74% (RSD=2.12%,n=6), 95.96%-101.42% (RSD=2.01%,n=6), 95.76%-102.75% (RSD=2.77%,n=6), 99.42%-104.93% (RSD=2.02%,n=6). The flavonoids in salt-processed C. chinensis showed highest contents when baking temperature was 160℃, baking time was 60 min and moistening time was 2 h. CONCLUSIONS: Different processing methods have certain effects on flavonoids contents in salt-processed C. chinensis.
期刊: 2016年第27卷第15期
作者: 刘艳芳,姚惠凤,陈文举,李秋莉
英文作者: LIU Yanfang,YAO Huifeng,CHEN Wenju,LI Qiuli
关键字: 盐菟丝子;烘制温度;烘制时间;闷润时间;黄酮;高效液相色谱法
KEYWORDS: Salt-processed Cuscuta chinensis; Baking temperature; Baking time; Moistening time; Flavonoids; HPLC
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