Figure 1From: Inhibitory effects of Stemona tuberosa on lung inflammation in a subacute cigarette smoke-induced mouse model The HPLC analysis of the standard material to ST. Phytochemical analysis was performed by HPLC as described in the Methods section. Tuberostemonine N was utilized as an authentic standard (arrows) and found that the concentration of tuberostemonine N in ST was calculated to be 0.3Â mg/g (yield 0.03%). a) HPLC-ELSD analytical data of tuberostemonine N, b) HPLC-ELSD analytical data of ST.Back to article page