acids

found in nervous ti ue, blood, milk, yolk of egg, and other animal structures, as well as in vegetable organisms; vegetable lecithin is said to contain betaine instead of choline. Lecithin, as used in medicine, is prepared from the yolk of egg by abstracting with alcohol; it occurs as a brownish yellow substance of waxy consistency, insoluble in water, but soluble in absolute alcohol and fatty oils. Employed in cases of faulty nutrition in doses of gr. ^-2 (0.03-0. J3).