This entry is for my own reference and does not claim any accuracy and the information is drawn mainly from Wikipedia.
Luteolin (Lt)) is an antioxidant and anti-inflamatory, an inhibitor of PDE4.
Found in celery, swede, carrot, oregano, carrots and olive oil. High levels in celery and parsley.
Inhibits inflammatory response in the brain see http://www.jneuroinflammation.com/content/7/1/3.