ウェスタンレッドシダー
Tuyết tùng đỏ Tây Mỹ
Thuja plicata
Cedar leaf (Pacific)
α-Thujone high. Neurotoxic.
CONTRAINDICATED in pregnancy, breastfeeding, children under 6.
Different from Western red cedar wood (Thuja plicata wood), leaf oil is high in thujone, wood oil has different chemistry.
| α-Thujone | 40.0 – 65.0 % |
| β-Thujone | 5.0 – 15.0 % |
| Fenchone | 5.0 – 12.0 % |
| Sabinene | 3.0 – 10.0 % |
Thuja plicata is a large tree from the Pacific Northwest. Different from Thuja occidentalis (Thuja covered under T).
Family Cupressaceae.
Not recommended in cosmetics.