Protective effect of the essential oil of Zanthoxylum myriacanthum var. pubescens against dextran sulfate sodium-induced intestinal inflammation in mice.

Background: Zanthoxylum myriacanthum var. pubescens is an ethnic medicine for digestive disease known as Maqian. A previous report showed that the Maqian fruits essential oil (MQEO) exhibited an NO inhibitory effect on RAW 264.