Raphanin is the main sulfur component found in radish seeds of Raphanus sativus and is also found in broccoli and red cabbage.[1][2] It was first described by G. Ivanovics and S. Horvath in 1947.[3][4] Raphanin inhibits activity of viruses (most likely Epstein–Barr virus), some fungi and various bacteria including Staphylococcus, Streptococcus, Pneumococcus and Escherichia coli (see table).