Methylenedihydrotanshinquinone has cytotoxic activity.
Methylenedihydrotanshinquinone is a natural product that can be isolated from the dried root of S. miltiorrhiza. Methylenedihydrotanshinquinone has anti-inflammatory effect by inhibiting expression of TNF-α, IL-1β, and IL-8[1].
[1] Xiangui Mei, et al. Simultaneous qualitative and quantitative determination of 17 bioactive components in the fibrous roots of Salvia miltiorrhiza Bunge by a combinatorial Ultra performance liquid chromatography- Ultraviolet characteristic spectra analysis. Journal of Applied Research on Medicinal and Aromatic Plants. Volume 20, February 2021, 100291.