Anti-inflammatory diarylheptanoids and phenolics from the rhizomes of kencur (Kaempferia galanga L.)

Kencur (Kaempferia galanga L.) is an aromatic plant of the Zingiberaceae family. It is widely cultured as a crops and its rhizome has been widely used as a flavor spice existing in various cooking. In this study, three new diarylheptanoids (1–3), one new phenolic glycoside (4), together with thirteen known phenolics were isolated from the rhizomes of kencur. Their chemical structures were elucidated based on IR, 1D and 2D NMR, HR-ESI-MS...