Curcumin (1E,6E)-1,7-di-(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione) is the principal curcuminoid found in turmeric. [ 1 1. Sharma , RA ; Gescher , AJ ; Steward , WP Curcumin: The story so far . Eur. J. Cancer 2005 , 41 , 1955 – 1968 . [CrossRef], [PubMed], [Web of Science ®] View all references ] Curcumin and its analogs exhibit antitumor, anti-inflammatory, anti-infectious, and many other activities with low toxicity. Curcumin is a symmetric ...