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[Chemical constituents of essential oil from roots and rhizomes of Valeriana alernifolia Bunge].

H Chen, Xinfang Xu, Zhao

Abstract

OBJECTIVE: To study the chemical constituents of essential oil from the root and rhizome of Valeriana alternifolia. METHOD: The essential oil was extracted by steam distillation. The components were separated and identified by gas chromatography-mass spectrometry and elucidated on the standard mass spectral data and the percentages were determined by gas chromatographic area normalization method. RESULT: Twenty-eight constituents were identified, which make up 64.05% of the oil. CONCLUSION: Bornyl acetate is the main constituent, and other constituents include borneol, terpinyl acetate, alpha-curcumene, camphene, isovaleric acid, trans-beta-farnesene, beta-bisabolene, etc.

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Key concepts: Rhizome, Borneol, Camphene, Essential oil, Chemical constituents, Chemistry, Steam distillation, Chromatography