Supercritical fluid extraction of Bulgarian Achillea millefolium
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文摘

Achillea millefolium from Bulgaria was extracted in a supercritical pilot-scale plant.

Pressure and the use of ethanol were the most important variables on extraction yield.

Volatile oil profile barely changed at the different extraction conditions.

The geographical origin of yarrow plant has a strong effect in volatile oil profile.

Camphor, Borneol and Artemisia ketone were the most abundant compounds identified.

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