Fennel Oil
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Tóm tắt nội dung
This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
1 DEFINITION
Fennel Oil is the volatile oil distilled with steam from the dried, ripe fruit of Foeniculum vulgare Mill. (Fam. Apiaceae).
[Note-If solid material has separated, carefully warm the Fennel Oil until it is completely liquefied, and mix before using.]
2 SPECIFIC TESTS
Specific Gravity 〈841〉: 0.953-0.973
Congealing Temperature 〈651〉: NLT 3°
Optical Rotation, Angular Rotation 〈781A〉: +12° to +24°
Refractive Index 〈831〉: 1.528–1.538 at 20°
Solubility in 90% Alcohol: 1 volume dissolves in 1 volume of 90% alcohol.
3 ADDITIONAL REQUIREMENTS
Packaging and Storage: Preserve in tight containers.
Labeling: The label states the Latin binomial and, following the official name, the part of the plant source from which the article was derived. The label also states that if solid material has separated, carefully warm Oil until it is completely liquefied, and mix before using.
