Assessment of the Aromatase Inhibitory Activity of Ma-Huang-Tang (MHT) and Its Active Compounds

Table 1

Aromatase inhibitory effects of MHT components.

Herbal medicine	Scientific name	Ratio (%) (total 100)	Extraction solvent	IC50	Maximum con. (mg/mL)
Ephedrae Herba	Ephedra sinica Stapf	34.9	H2O	1.465 mg/mL	10
Cinnamomi Ramulus	Cinnamomum cassia Presl	23.3	H2O	1.535 mg/mL	10
Glycyrrhizae Radix et Rhizoma	Glycyrrhiza uralensis Fischer	7.0	H2O	1.247 mg/mL	10
Armeniacae Semen	Prunus armeniaca Linne var. ansu Maximowicz	11.6	H2O	>10 mg/mL	10
Zingiberis Rhizoma Recens	Zingiber officinale Roscoe	11.6	H2O	>10 mg/mL	10
Allii Radix	Allium fistulosum Linne	11.6	H2O	>10 mg/mL	10