Anise Oil
»Anise Oil is the volatile oil distilled with steam from the dried,ripe fruit of Pimpinella ansiumL.(Fam.Apiaceae)or from the dried ripe fruit of Illicium verumHook.f.(Fam.Illiciaceae).
NOTE—If solid material has separated,carefully warm the Anise Oil until it is completely liquefied,and mix before using.
Packaging and storage— Preserve in well-filled,tight containers,and avoid exposure to excessive heat.
Labeling— The label states the Latin binomial name 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.
Solubility in 90percent alcohol— One volume dissolves in 3volumes of 90percent alcohol.
Specific gravity á841ñ: between 0.978and 0.988.
Congealing temperature á651ñ: not lower than 15.
Angular rotation á781Añ: between –2and +1.
Refractive index á831ñ: between 1.553and 1.560at 20.
Limit of phenols— Asolution of recently distilled Anise Oil in 90percent alcohol (1in 3)is neutral to moistened litmus paper,and the solution develops no blue or brownish color upon the addition of 1drop of ferric chloride TSto 5mLof the solution.
Auxiliary Information— Staff Liaison:Claudia C.Okeke,Ph.D.,Associate Director
Expert Committee:(CRX)Compounding Pharmacy
USP28–NF23Page 2958
Pharmacopeial Forum:Volume No.27(4)Page 2789
Phone Number:1-301-816-8243