Luteolin

Luteolin is categorized as a polyphenol, classified as a flavonoid within the flavone subclass. It is commonly found in leaves, rinds, barks, clover blossoms, and ragweed pollen, with dietary sources including celery, broccoli, artichoke, green pepper, parsley, thyme, dandelion, chamomile tea, carrots, olive oil, peppermint, rosemary, navel oranges, and oregano. It is also present in the seeds of the palm Aiphanes aculeata. Serving as the principal yellow dye compound from Reseda luteola, it has historical use dating back to at least the first millennium B.C. In Chinese traditional medicine, plants rich in luteolin have been utilized to treat conditions such as hypertension, inflammatory disorders, and cancer. Luteolin-rich sources include celery, parsley, broccoli, onion leaves, carrots, peppers, cabbages, apple skins, and chrysanthemum flowers. Recognized as an antioxidant, luteolin is reported to possess various beneficial effects, including anticancer, anti-inflammatory, and neuroprotective properties. It is commonly found in fruits, vegetables, and medicinal herbs.