lecithin

[Gr. lekithos =the yelk of an egg; suff. -in ( Chem.).] lěc-tõr, s. [Lat.] IMG:content-0455.png:[blocks in formation] *led-captain, s . One who follows another as though led by a string; an obsequious attendant, a toady. led-horse, s. A sumpter-horse; a spare horse led by a servant or attendant for use in case of emergency. Jacobites, and Nestor i ans. The Anglican communion recognizes lay lectors, who are set apart for their duty by a special form. Chem.: This name is applied to several phosphoretted fatty bodies, of very similar chemical and physical properties, derived from brain substance, nerves, blood, gall, the yelk of eggs, ., and also from some vegetable substances (maize, .), and which appear as constant constituents of the cell substance of organized bodies. It is a viscous body, insoluble in water, slightly soluble in cold alcohol, but very soluble in boiling alcohol and in ether. From its saturated solution in alcohol, it crystallizes in radially-grouped needles, which dry up in vacuo to a white powder. It may also be crystallized from glacial acetic acid. Every lecithin is a fat containing only two fatty acid-Browne: Vulgar Errors. radicals, the third hydroxyl group being replaced by ethylen-trimethyl ammonic hydrate (neurine) in combination with phosphoric acid.