ニオイヒバ樹皮エキス 化学特性,用途語,生産方法
定義
本品は、ニオイヒバ Thuja occidentalis の葉及び小枝から得られる精油である。
化粧品の成分用途
皮膚コンディショニング剤、香料
化学的特性
Cedar leaf oil (Thuja oil) is produced by steamdistillation of fresh leaves and
branch ends of the treeThuja occidentalis L. (Cupressaceae). It is a colorless
to yellow liquid with a powerful, herbaceous odor, characteristic of thujone.
d
2525 0.910-0.920; n
20D 1.4560-1.4590; α
20D ?14 ° to ?10 °; ketone content
(calculated as thujone): min. 60 %; solubility: 1 vol in 3 vol of 70% ethanol at
25℃.
The oil is produced in the northern states of the United States and in
Canada in a quantity of 20–30 t/yr. It is used in perfumery for dry nuances
in citrus and woody compositions.
物理的性質
It is a colorless to yellow-greenish liquid. It is soluble in most fixed oils, in mineral oils and
propylene glycol. It is practically insoluble in glycerin.
天然物の起源
Found in the leaves and branch ends of Thuja occidentalis L. (Fam. Cupressaceae).
使用
As fragrance in soaps, detergents, perfumes.
定義
An essential oil distilled from the leaves of Juniperus virginiana. Strongly dextrorotatory. Used in microscopy, perfumery, flavoring.
製造方法
By steam distillation of the fresh branch ends and leaves.
精油の成分
The chief constituent of cedar leaf oil is d-a-thujone
安全性プロファイル
Moderately toxic by
ingestion and skin contact. A skin irritant.
Ingestion of large quantities causes
hypertension, bradycardia, tachypnea,
convulsions, death. When heated to decomposition it emits acrid smoke and
fumes. See also ARTEMISIA OIL.
ニオイヒバ樹皮エキス 上流と下流の製品情報
原材料
準備製品