Two new cyclic sulfides, onionins B1 and B2, from onion
Toshihiro Nohara, Masateru Ono, Tsuyoshi Ikeda, Yukio Fujiwara, Daisuke Nakano, Junei Kinjo
Pages: 71 - 75
Number of pages: 5
To obtain antitumor sulfur-containing compounds, we investigated the acetone extracts of onion bulbs and isolated two new cyclic sulfides namely onionin B1 and onionin B2, along with kujounin A2 and its derivative.