Essential Oil from of Guarea macrophylla Vahl var. tuberculata vellozo (Meliaceae) Leaves—Variation in the Chemical Component Proportions

Abstract The essential oils isolated from leaves of Guarea macrophylla var. tuberculata collected monthly during two years (from November 1997 to October 1999) were subjected to GC-FID and GC/MS analysis. The obtained data showed a significant variation in the proportions of the components, which could be associated to species phenological state despite of climatic parameters in each collection.

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