Chemical Properties
A yellow liquid with a meaty, spicy, slightly floral, woody taste and a strong fruital aroma reminiscent of pineapple
Uses
Allyl-α-ionone: GB 2760-1996: Specifies as permitted food flavorings. Primarily used in the formulation of fruit flavorings such as pineapple.
Definition
ChEBI: 1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-1,6-heptadien-3-one is a sesquiterpenoid.
Preparation
By condensation of citral and allyl acetone in the presence of sodium methoxide and subsequent ring closure in the presence of boron trifluoride.
Taste threshold values
Taste characteristics at 2 ppm: floral, sweet, fruity, woody and orris-like nuance
Safety Profile
A skin irritant. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes. See also ALLYL COMPOUNDS.