ABSTRACTrnrnrnrn(A) ENJANG RUSNAWAN (2004210051)rnrn(B) SYNTHESIS AND EXAMINATION ANTIOXIDANT OF 1,5-bis(3’-etoxy-4’-hydroxyphenyl)-1,4-pentadiene-3-on rnrn(C) x + 68 pages; 2008; 13 tables; 31 diagrams; 15 attachmentsrnrn(D) Keywords: Antioxidant activity, 1,5-bis(3’-etoxy-4’-hydroxyphenyl)-1,4-pentadiene-3-on, aldol condensation, curcumin. rnrn(E) The yellownish crystal of 1,5-bis(…