thumb|right|upright|Yarrow ([[Achillea millefolium) essential oil in a colorless glass vial]]
Yarrow essential oil is a volatile oil including the chemical proazulene. The dark blue essential oil is extracted by steam distillation of the flowers of yarrow (Achillea millefolium).
The deep blue coloured oil has an aroma described as "herbal, green tea, chamomile, rosemary, floral, creamy".
It kills the larvae of the mosquito Aedes albopictus.
References
Further reading
- Supercritical CO2 extraction of essential oil from yarrow
- Production of Yarrow (Achillea millefolium L.) in Norway: Essential Oil Content and Quality
- Physicochemical Characteristics and Fatty Acid Profile of Yarrow (Achillea tenuifolia) Seed Oil
- Essential oil composition of three polyploids in the Achillea millefolium ‘complex’
- Phytochemical analysis of the essential oil of Achillea millefolium L. from various European Countries
- Essential oil composition of two yarrow taxonomic forms