目的利用一测多评法建立假马齿苋中间体中5种三萜皂苷类成分的高效液相色谱分析方法。方法以BacopasideⅠ为内参物,建立Bacoside A_3、BacopasideⅡ、Bacopasaponin C isomer、Bacopasaponin C的相对校正因子,从而计算各成分含量,并将...目的利用一测多评法建立假马齿苋中间体中5种三萜皂苷类成分的高效液相色谱分析方法。方法以BacopasideⅠ为内参物,建立Bacoside A_3、BacopasideⅡ、Bacopasaponin C isomer、Bacopasaponin C的相对校正因子,从而计算各成分含量,并将一测多评结果与外标法实测值用相对误差评价,验证一测多评法的准确性。结果 BacopasideⅠ与Bacoside A_3、BacopasideⅡ、Bacopasaponin C isomer、Bacopasaponin C的相对校正因子分别为0.980、0.747、1.046、0.836,一测多评法计算结果与外标法无显著差异,相对误差小于5%。结论该方法准确可靠,简便可行,可作为假马齿苋中间体多指标成分测定质量控制方法。展开更多
Nine lignans were isolated and purified by silica gel, ODS, Sephadex LH-20 column chromatographies, preparative HPLC and recrystallization from the aerial parts ofArtemisia absinthium L., and identified as follows: d...Nine lignans were isolated and purified by silica gel, ODS, Sephadex LH-20 column chromatographies, preparative HPLC and recrystallization from the aerial parts ofArtemisia absinthium L., and identified as follows: diayangambin (1), sesartemin (2), epiyangambin (3), (+)arborone (4), (-)syringaresinol (5), epiashchantin (6), caruilignan C (7), 7β-caruilignan C (8), yangambin (9). Compounds 4, 5, 7, 8 were isolated from this plant for the first time.展开更多
文摘目的利用一测多评法建立假马齿苋中间体中5种三萜皂苷类成分的高效液相色谱分析方法。方法以BacopasideⅠ为内参物,建立Bacoside A_3、BacopasideⅡ、Bacopasaponin C isomer、Bacopasaponin C的相对校正因子,从而计算各成分含量,并将一测多评结果与外标法实测值用相对误差评价,验证一测多评法的准确性。结果 BacopasideⅠ与Bacoside A_3、BacopasideⅡ、Bacopasaponin C isomer、Bacopasaponin C的相对校正因子分别为0.980、0.747、1.046、0.836,一测多评法计算结果与外标法无显著差异,相对误差小于5%。结论该方法准确可靠,简便可行,可作为假马齿苋中间体多指标成分测定质量控制方法。
基金National Natural Science Foundation of China (Grant No. 30973629)
文摘Nine lignans were isolated and purified by silica gel, ODS, Sephadex LH-20 column chromatographies, preparative HPLC and recrystallization from the aerial parts ofArtemisia absinthium L., and identified as follows: diayangambin (1), sesartemin (2), epiyangambin (3), (+)arborone (4), (-)syringaresinol (5), epiashchantin (6), caruilignan C (7), 7β-caruilignan C (8), yangambin (9). Compounds 4, 5, 7, 8 were isolated from this plant for the first time.