Yarrow essential oil is a volatile oil including the chemical

proazulene Matricin is a sesquiterpene. It can be extracted from flower of chamomille (''Matricaria chamomilla''). Matricin is colorless. Chamazulene, a blue-violet derivative of azulene, found in a variety of plants including in chamomile (''Matricaria cha ...

. The dark blue

essential oil An essential oil is a concentrated hydrophobic liquid containing volatile (easily evaporated at normal temperatures) chemical compounds from plants. Essential oils are also known as volatile oils, ethereal oils, aetheroleum, or simply as the o ...

is extracted by steam

distillation Distillation, or classical distillation, is the process of separation process, separating the components or substances from a liquid mixture by using selective boiling and condensation, usually inside an apparatus known as a still. Dry distilla ...

of the flowers of

yarrow ''Achillea millefolium'', commonly known as yarrow () or common yarrow, is a flowering plant in the family Asteraceae. Other common names include old man's pepper, devil's nettle, sanguinary, milfoil, soldier's woundwort, and thousand seal. The ...

(''Achillea millefolium''). It kills the larvae of the mosquito ''

Aedes albopictus ''Aedes albopictus'' (''Stegomyia albopicta''), from the mosquito (Culicidae) family, also known as the (Asian) tiger mosquito or forest mosquito, is a mosquito native to the tropical and subtropical areas of Southeast Asia. In the past few ce ...

''.

References

Essential oils

Supercritical CO2 extraction of essential oil from yarrowProduction of Yarrow (Achillea millefolium L.) in Norway: Essential Oil Content and QualityPhysicochemical Characteristics and Fatty Acid Profile of Yarrow (Achillea tenuifolia) Seed OilEssential oil composition of three polyploids in the Achillea millefolium ‘complex’Phytochemical analysis of the essential oil of Achillea millefolium L. from various European CountriesEssential oil composition of two yarrow taxonomic forms
{{Vegetable-oil-stub

References

Further reading