Pure limonene is a bright liquid. Limonene is a monoterpene, fabricated up of two isoprene units. Limonene occurs in two optically alive forms, l-limonene and d-limonen. Both isomers accept altered odours: l-limonene smells piney and turpentine like and d-limonene has a adorable orange scent.

Limonene is begin in the capital oils of citrus fruits and abounding added bulb species. Industrial limonene is produced by by acrid abstraction of citrus residues and beef distillation. This alcohol contains added than 90% d-limonene.

Studies accept apparent that limonene accept anti- blight effects. Limonen access the levels of alarmist enzymes complex in detoxifying carcinogens. The Glutathione S-transferase (GST) is a arrangement which eliminates carcinogens. Limonene seems to advance the GST arrangement in the alarmist and baby bowel, thereby abbreviating the damaging furnishings of carcinogens. Animal studies approved that comestible limonene bargain mammary bump growth.