Research Article

Simultaneous Determination of Four Ingredients in Plantago Depressa by Single Marker

Table 1

Comparison of 4 components in Plantago depressa from different sources (μg/g).

NumberSourcesQuercetinProtocatechuic acidCatechinLuteolin
ESMQAMSRSD/%ESMQAMSRSD/%ESMQAMSRSD/%

ZJ-1Jinhua, Zhejiang16.7553.7533.7910.713.3873.4260.818.7498.6350.93
ZJ-2Jinhua, Zhejiang13.4322.1172.1751.912.3652.3870.6510.85310.7410.73
ZJ-3Jinhua, Zhejiang15.4914.1424.2411.673.4943.4091.748.2128.2090.03
JL-1Changchun, Jilin17.7894.9164.8560.874.4134.3770.587.9527.8031.34
JL-2Changchun, Jilin11.2993.7593.7210.723.3993.3321.418.6528.5570.78
JL-3Changchun, Jilin12.4832.6982.7070.244.3654.4020.606.6856.7740.94
JX-1Bozhou, Jiangxi11.8123.6893.6390.963.0983.0451.228.7418.7030.31
JX-2Bozhou, Jiangxi15.5363.9253.9911.183.4033.4390.748.8399.0461.64
JX-3Bozhou, Jiangxi16.3791.9131.8811.194.3474.2960.836.9266.7371.96
JX-4Bozhou, Jiangxi18.7353.8383.8030.654.4124.3840.455.9355.8780.68