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  • Title: Sesquiterpenes from Curcuma wenyujin with their inhibitory activities on nitric oxide production in RAW 264.7 cells.
    Author: Gao S, Xia G, Wang L, Zhou L, Zhao F, Huang J, Chen L.
    Journal: Nat Prod Res; 2017 Mar; 31(5):548-554. PubMed ID: 27436766.
    Abstract:
    One new sesquiterpene, 7α,11-epoxy-6α-hydroxy-carabrane-4,8-dione, along with 10 known ones were isolated from the essential oil of Curcuma wenyujin Y.H. Chen et C. Ling. Their structures were established based on extensive spectroscopic analysis. The absolute configuration of compound 1 was determined by the CD analysis of the insitu formed [Rh2(OCOCF3)4] complex, and the CD data analysis based on the octane rule of cyclohexanone. The inhibitory effects of these sesquiterpenes on nitric oxide production in lipopolysaccharide-activated macrophages were also evaluated. Furthermore, the biosynthesis pathway of the isolated compounds was proposed.
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