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Volatile constituents from leaves and flowers of Alpinia speciosa K. Schum. and A. purpurata (Viell.) Schum.

✍ Scribed by Maria Das Graças B. Zoghbi; Eloisa Helena A. Andrade; José Guilherme S. Maia

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 126 KB
Volume: 14
Category: Article
ISSN: 0882-5734
DOI: 10.1002/(sici)1099-1026(199911/12)14:6<411::aid-ffj854>3.0.co;2-u

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✦ Synopsis

The volatile constituents of the leaves and ¯owers of Alpinia speciosa and Alpinia purpurata growing wild in North Brazil were analysed by GC±MS. The main constituents identi®ed in the leaf oil of A. speciosa were limonene (25.1%), terpinen-4-ol (22.7%) and g-terpinene (17.4%). The oil obtained from ¯owers of A. speciosa was dominated by 1,8-cineole (23.1%), terpinen-4-ol (20.4%) and sabinene (14.5%). The major components identi®ed in the leaf oil of A. purpurata were 1,8-cineole (21.8%), b-pinene (15.3%) and (E)methyl cinnamate (12.9%). The oil obtained from ¯owers of A. purpurata was dominated by b-pinene (27.8%) and a-pinene (16.9%).

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