%0 Journal Article %T Determination of Five Chemical Markers in DF Formula, the Herbal Composition of Ephedra intermedia, Rheum palmatum, and Lithospermum erythrorhizon, Using High-performance Liquid Chromatography-ultraviolet Detection %A Birang Jeong %A Heejung Yang %A Hyun Joo Cho %A Jong Seong Roh %A Michung Yoon %A Soon Shik Shin %A Yong Soo Kwon %A Yoosik Yoon %J Archive of "Pharmacognosy Magazine". %D 2018 %R 10.4103/pm.pm_189_17 %X DF formula is a herbal preparation comprised three medicinal herbs, namely, Ephedra intermedia, Rheum palmatum, and Lithospermum erythrorhizon, which is being used for the treatment of obesity and liver fibrosis in Korean local clinics %K Ephedra intermedia %K high-performance liquid chromatography coupled with an ultraviolet detector %K Lithospermum erythrorhizon %K method validation %K Rheum palmatum %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5909309/