β-Ionone has a characteristic violet-like odor, more fruity and
woody than α-ionone. May be prepared by condensing citral with
acetone to form pseudoionone, which is then cyclized by acid-type
reagents.
Reported found in the distillate from flowers of Boronia megatisma Nees. Also reported found in apricot,
orange juice, lemon peel oil, guava, grapes, melon, papaya, peach, raspberry, blackberry, carrot, peas, bell pepper, tomato, ginger,
peppermint and spearmint oil, milk powder, beef, hop oil, cognac, whiskies, grape wines, tea, passion fruit, plum, beans, mushroom,
starfruit, almonds, mango, fenugreek, tamarind, apple and pear brandy, rice bran, quince, prickly pear, sweet potato, buckwheat, corn
oil, corn tortillas, loquat, mountain papaya, clary sage and other sources
ChEBI: Beta-ionone is an ionone that is but-3-en-2-one substituted by a 2,6,6-trimethylcyclohex-1-en-1-yl group at position 4. It has a role as an antioxidant and a fragrance.
Taste characteristics art 10 ppm: woody, sweet, fruity, berry-like with a green berry background
