Component analysis of crude and sweated Dipsaci Radix based on HPLC-ESI-MS Determination of loganic acid, chiratin, and loganin in Dipsaci Radix Determination and evaluation of two iridoids in Gentiana straminea herbs by HPLC Investigation on formation mechanism of secologanic acid sulfonates in sulfur-fumigated buds of Lonicera japonica HPLC Determination of Contents of Four Active Constituents in Tibetan Medicine Gentiana straminea ( Gentianaceae) During Different Growing Period Iridoid glycosides from Centranthera grandiflora Iridoid glycosides from Centranthera grandiflora A new iridoid glycoside from Lonicerae Flos Contents of seven indicative constituents in seven kinds of Gentiana macrophylla by UPLC Determination of iridoid glycosides in Lonicerae Japonicae Flos and its patent medicine Lianhua Qingwen Capsule by dispersive solid phase extraction-HPLC Determination of seven components in flowers of Gentiana tibetica and Gentiana dendrologi by HPLC Study on chemical constituents from Re-Du-Ning Injection (II) Stability of multiple components in Er-Zhi-Wan (water honey pills) by UPLC-Q/TOF-MS Constituents and bioactivities of Lamiophlomis rotata Secoiridoid glycosides from Flos Lonicerae Determination of five active constituents in aerial part of Tibetanmedicine Gentiana straminea by HPLC