Definitions for khellin
A derivative of chromone and furan with lipophilic and vasodilatory properties, found in the plant Ammi visnaga.
U.S. National Library of Medicine
A vasodilator that also has bronchodilatory action. It has been employed in the treatment of angina pectoris, in the treatment of asthma, and in conjunction with ultraviolet light A, has been tried in the treatment of vitiligo. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1024)