Once citral gets into this circular form, it loses its lemony scent and starts to stink.

FORBES: Life

The most commonly used lemon-flavor molecule, citral, fades within 30 days when put in an acid medium like lemonade.

FORBES: Life

The citral molecule has a double bond in its tail, which, when it comes into contact with acid, forms a circular structure.

FORBES: Magazine Article

Like a cocktail expert, I would press my herbs into sugar syrup to capture the fragrance of their volatile oils linalool, eugenol, citral, thujone, camphor.

NPR: Garden in a Glass: Herbal Teas, Lavender Martinis

When a lemon's citral molecule, for instance, hits the receptors in our noses, those receptors recognize the particular ridges and valleys, and can provide our brain with one clue about the identity of the fruit being sniffed.

FORBES: Magazine Article