目的建立扣子七的超高效液相(ultra high performance liquid chromatography,UPLC)指纹图谱,同时建立一测多评法(quantitative analysis of multi-components by single marker,QAMS)对8个化学成分进行含量测定,并结合化学模式识别分...目的建立扣子七的超高效液相(ultra high performance liquid chromatography,UPLC)指纹图谱,同时建立一测多评法(quantitative analysis of multi-components by single marker,QAMS)对8个化学成分进行含量测定,并结合化学模式识别分析对扣子七进行质量评价。方法采用Waters CORTECS UPLC T3色谱柱,以0.1%磷酸水-乙腈溶液为流动相进行梯度洗脱,柱温30℃,流速0.3 mL·min^(-1),建立扣子七UPLC指纹图谱,进行聚类分析、主成分分析和正交偏最小二乘法-判别分析,并以竹节参皂苷Ⅳa为内标,建立人参皂苷Rb1、人参皂苷Ro、人参皂苷Rb3、竹节参皂苷Ⅳ、人参皂苷Rd、姜状三七皂苷R1和金盏花苷E的相对校正因子,计算8种成分的含量,并与外标法测定结果进行比较,以验证QAMS方法的准确性、重复性及可行性。结果14批指纹图谱共确定12个共有峰,指认人参皂苷Rb1、人参皂苷Ro、人参皂苷Rb3、竹节参皂苷Ⅳ、竹节参皂苷Ⅳa、人参皂苷Rd、姜状三七皂苷R1和金盏花苷E 8种主要特征成分。14批样品图谱的相似度在0.793~0.993之间,聚类分析可将14批样品分为4类,主成分分析得到4个主成分,累计方差贡献率为83.20%,正交偏最小二乘法-判别分析筛选出5个差异质量标志物。QAMS法计算值与外标法实测值无统计学差异。结论该研究建立的扣子七UPLC指纹图谱结合一测多评法简便可行,结合化学模式识别可有效为扣子七药材整体质量控制提供参考。展开更多
Objective:To probe into the intervening action of polysaccharides of Zhu Zi Shen(Rhizoma Panacis Majoris)(PZZS) on oxidative stress and hemodynamics in rats with adriamycin-induced chronic congestive heart failure(CHF...Objective:To probe into the intervening action of polysaccharides of Zhu Zi Shen(Rhizoma Panacis Majoris)(PZZS) on oxidative stress and hemodynamics in rats with adriamycin-induced chronic congestive heart failure(CHF).Methods:After SD rats were successfully modeled with adriamycin,they were randomly divided into a normal control group,a model group,a PZZS group,and a captopril group,and were administrated respectively.At the end of experiment,the hemodynamic function,whole heart weight index,and the blood CK,SOD,MDA,NO,NOS were detected;and the myocardial morphological examinations were carried out.Results:Compared with the normal control group,the arterial systolic pressure(SBP),diastolic pressure(DBP),mean arterial pressure(MAP),heart rate(HR),left ventricular systolic peak(LVSP),and left ventricular pressure change rate(dp/dtmax) significantly decreased,and left ventricular end diastolic pressure(LVEDP),whole heart weight index,the blood CK,MDA,NO,NOS significantly increased in the model group.PZZS significantly improved the hemodynamic function,lowered the MDA and NO levels,and decreased the CK and NOS activities in the CHF rats.Conclusion:PZZS can improve the hemodynamic function,and alleviate the oxidative stress reaction in the CHF rat.展开更多
文摘目的建立扣子七的超高效液相(ultra high performance liquid chromatography,UPLC)指纹图谱,同时建立一测多评法(quantitative analysis of multi-components by single marker,QAMS)对8个化学成分进行含量测定,并结合化学模式识别分析对扣子七进行质量评价。方法采用Waters CORTECS UPLC T3色谱柱,以0.1%磷酸水-乙腈溶液为流动相进行梯度洗脱,柱温30℃,流速0.3 mL·min^(-1),建立扣子七UPLC指纹图谱,进行聚类分析、主成分分析和正交偏最小二乘法-判别分析,并以竹节参皂苷Ⅳa为内标,建立人参皂苷Rb1、人参皂苷Ro、人参皂苷Rb3、竹节参皂苷Ⅳ、人参皂苷Rd、姜状三七皂苷R1和金盏花苷E的相对校正因子,计算8种成分的含量,并与外标法测定结果进行比较,以验证QAMS方法的准确性、重复性及可行性。结果14批指纹图谱共确定12个共有峰,指认人参皂苷Rb1、人参皂苷Ro、人参皂苷Rb3、竹节参皂苷Ⅳ、竹节参皂苷Ⅳa、人参皂苷Rd、姜状三七皂苷R1和金盏花苷E 8种主要特征成分。14批样品图谱的相似度在0.793~0.993之间,聚类分析可将14批样品分为4类,主成分分析得到4个主成分,累计方差贡献率为83.20%,正交偏最小二乘法-判别分析筛选出5个差异质量标志物。QAMS法计算值与外标法实测值无统计学差异。结论该研究建立的扣子七UPLC指纹图谱结合一测多评法简便可行,结合化学模式识别可有效为扣子七药材整体质量控制提供参考。
文摘Objective:To probe into the intervening action of polysaccharides of Zhu Zi Shen(Rhizoma Panacis Majoris)(PZZS) on oxidative stress and hemodynamics in rats with adriamycin-induced chronic congestive heart failure(CHF).Methods:After SD rats were successfully modeled with adriamycin,they were randomly divided into a normal control group,a model group,a PZZS group,and a captopril group,and were administrated respectively.At the end of experiment,the hemodynamic function,whole heart weight index,and the blood CK,SOD,MDA,NO,NOS were detected;and the myocardial morphological examinations were carried out.Results:Compared with the normal control group,the arterial systolic pressure(SBP),diastolic pressure(DBP),mean arterial pressure(MAP),heart rate(HR),left ventricular systolic peak(LVSP),and left ventricular pressure change rate(dp/dtmax) significantly decreased,and left ventricular end diastolic pressure(LVEDP),whole heart weight index,the blood CK,MDA,NO,NOS significantly increased in the model group.PZZS significantly improved the hemodynamic function,lowered the MDA and NO levels,and decreased the CK and NOS activities in the CHF rats.Conclusion:PZZS can improve the hemodynamic function,and alleviate the oxidative stress reaction in the CHF rat.