Cryptotanshinone

Cryptotanshinone is the main fat soluble extract of salvia miltiorrhiza. It is orange acicular crystal. It belongs to diterpenoid quinones. Most of these components have ternary or quaternary ring o-quinone or p-quinone structure on the skeleton, which makes most of them have anti-tumor, anti-oxidation, anti-inflammatory and antibacterial activities (refer to relevant literature)