Composition of the essential oil of flowers of Chloranthus spicatus (Thunb.) Makino

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Composition of the essential oil of flowers of Chloranthus spicatus (Thunb.) Makino

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Title: Composition of the essential oil of flowers of Chloranthus spicatus (Thunb.) Makino
Author: Tesso, H.; Konig, W.A.; P.T., Son; P.M., Giang; Francke, W.
Abstract: The composition of the essential oil of the flowers of Chloranthus spicatus (Thunb.) Makino (Chloranthaceae) was investigated using capillary GC-GC/MS, preparative GC and NMR techniques. Fortyseven compounds were identified either by comparing their retention indices and mass spectra with a library of authentic samples established under identical experimental conditions or, by isolating the compounds and deriving their structures by one- and two-dimensional NMR investigations. Thus, four minor components, viz. chloranthalactone A (0.5%), isogermafurenolide (0.7%), eudesma-4(15),7(11),9-trien-12-olide (0.5%), and 7?-hydroxyeudesm-4-en-6-one (3.3%), were isolated for the first time as constituents of the essential oil of the flowers of C. spicatus and their structures established. The major components of the oil include (Z)-?- ocimene (6.3%), allo-aromadendrene (6.2%), sarisane (2-allyl-4,5-methylenedioxyanisol, 4.2%) and selina- 4(15),7(11)-diene (6.4%). Copyright ?? 2006 John Wiley & Sons, Ltd.
URI: http://tainguyenso.vnu.edu.vn/jspui/handle/123456789/7281
Date: 2006

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