Influence of different preparation techniques on the composition and antioxidant action of curcumin and curcuminoids

Epidemiological evidence indicates that plant antioxidants activity can treat or help to prevent the development of various diseases. One species with great potential as an antioxidant is Curcuma longa. However, different extraction techniques influence isolated chemical compounds. This study investigated composition and two rhizome extracts C. longa: hydroethanolic, obtained by exhaustion (HECLex); dried a spray dryer (HECLsd). The phytochemical was evaluated GC/MS. Antioxidant using DPPH FRAP assays. Total phenolic compounds soil analyses were performed. main components HECLex ar-turmerone, γ-curcumene, α-turmerone, β-sesquiphellandrene. HECLsd 9,12,15-octadecatrienoic acid, 2,3-bis([trimethylsilyl]oxy)propyl ester, verrucarol, 1-monolinoleoylglycerol trimethylsilyl ether. had significantly higher levels capacity compared HECLex. In conclusion, processes preparation longa rhizomes alter consequently their biological activity.