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Wormwood (annual)

Ngải đắng hằng năm (Thanh hao - Artemisia annua)

Artemisia annua

Sweet wormwood, Qinghao

Asteraceae · Lá · Leaves · Steam-distilled

Wormwood (annual) (Artemisia annua) — botanical illustration
Artemisia annua

Safety

Camphor · Caution

Camphor and artemisia ketone are main constituents.

Low dermal concentration recommended.

Avoid in pregnancy and breastfeeding.

The plant is famous for artemisinin, antimalarial (artemisinin does not steam-distill, it's in the leaves/extracts).


Usage guidelines

Storage
Dark, sealed, refrigerated

Chemistry

Volatile constituents
Camphor15.0 – 35.0 %
Artemisia ketone5.0 – 15.0 %
1,8-Cineole5.0 – 12.0 %

Botanical source

Artemisia annua was identified by Tu Youyou (China, Nobel Medicine 2015) as containing artemisinin, an antimalarial that has saved millions of lives.

Cultivated in China and Asia.

Family Asteraceae.


Notes

Niche oil. Different safety profile from common wormwood.