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alpha selinene/hypericum
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Essential oil composition and variability of Hypericum perforatum from wild populations of northern Turkey.
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BACKGROUND
Hypericum perforatum L. (Guttiferae) contains many bioactive secondary metabolites including hypericins, hyperforins, and essential oil.
OBJECTIVE
The present study was conducted to determine the variation in composition of essential oil in H. perforatum accessions from Turkey.
METHODS
At
Volatile constituents of two Hypericum species from Tunisia.
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The chemical composition of the essential oils obtained by hydrodistillation from the aerial parts of the Tunisian Hypericum perforatum and H. ericoides ssp. roberti was elucidated by a combination of GC and GC-MS analyses. The main constituents of the oil of H. perforatum were alpha-pinene (11.8%),
Comparison of Ultrasound-Assisted Headspace Solid-Phase Microextraction and Hydrodistillation for the Identification of Major Constituents in Two Species of Hypericum.
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Ultrasound-assisted headspace solid-phase microextraction (UA-HS-SPME) and hydrodistillation (HD) methods, coupled to gas chromatography-mass spectrometry (GC-MS), were used for the extraction and analysis of volatile compounds from Hypericum perforatum and Hypericum scabrum collected from two
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