hplc测定复方厚朴颗粒中厚朴酚及和厚朴酚的含量 |
发布时间:2020-05-31 信息来源:admin 发布人:admin 点击次数:712 |
hplc测定复方厚朴颗粒中厚朴酚及和厚朴酚的含量
复方厚朴颗粒;,,高效液相色谱法;,,厚朴酚;,,和厚朴酚 摘要:目的建立hplc法测定复方厚朴颗粒中厚朴酚及和厚朴酚的含量。方法采用diamondsilcmc18色谱柱(6.4 mm×200 mm,5 μm);流动相为甲醇-0.1%磷酸溶液(78∶22);流速1 ml/min;柱温35℃;检测波长294 nm。结果厚朴酚的线性范围为0.041 1~0.822 2 μg,r=0.999 9,平均回收率为97.1%,rsd=1.27%;和厚朴酚的线性范围为0.023 06~0.461 2 μg ,r=1,平均回收率为96.7%,rsd=1.25%。结论该方法结果准确,重现性好,可作为复方厚朴颗粒质量控制的定量方法。 关键词:复方厚朴颗粒; 高效液相色谱法; 厚朴酚; 和厚朴酚 上禾生物 determination of magnolol and honokiol in compound houpu granule by hplc xia hou lin ,sheng yan,zhou xiao mei,wu xi,dong min,tan ling (chengdu university of traditional chinese medicine, 610072 ,china) abstract:objectiveto establish an hplc method for the determination of magnolol and honokiol in compound houpu granule.methodsthe samples were analyzed on a diamondsilcmc18 column (6.4 mm×200 mm,5μm). the mobile phase was a mixture of meoh-0.1%h3po4(78:22);the rate of flow was 1ml/min; the column temperature was 35 ℃; the detection wavelength was 294 nm.resultscalibration graph was linear in the range of 0.041 1~0.822 2 μg,r=0.999 9 for magnolol, 0.023 06~0.456 12μg, r=1 for honokiol. the recovery was 97.1%, rsd=1.27% for magnolol; 96.7%,rsd=1.25% for honokiol.conclusionthe method is sensitive and its results are accurate with good reproducibility .it can be used for the quality control of compound houpu granule. key words:compound houpu granule; hplc; magnolol; honokiol 复方厚朴颗粒由厚朴、藿香、苍术等药物组成,具有解表和胃之功效,用于感受风寒,内有食积,寒热吐泻等症。为了控制本品质量,保障用药安全与有效,本文采用高效液相色谱法测定方中君药厚朴的主要成分厚朴酚、和厚朴酚的含量[1,2]。 1 仪器与试剂 agilent 1100高效液相色谱仪(美国agilent);agilent 1100二极管阵列检测器美国(agilent 1100);agilent 1100高效液相色谱工作站(美国agilent);厚朴酚、和厚朴酚对照品(中国药品生物制品检定所,供含量测定用,批号分别为110729 200208、0730 200206);复方厚朴颗粒(自制);甲醇为色谱纯(fisher),其它试剂均为分析纯。 2 方法与结果 2.1 色谱条件diamondsilcmc18色谱柱(6.4 mm×200 mm,5μm迪马公司);流动相甲醇 0.1%磷酸(78∶22);流速1 ml/min;柱温35℃;检测波长294 nm;理论板数以厚朴酚峰计算不少于3800。在此条件下厚朴酚与和厚朴酚分离良好。
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