Lecithin - Wikipedia
Lecithin (UK: / ˈ l ɛ s ɪ θ ɪ n /, US: / ˈ l ɛ s ə θ ɪ n /, from the Greek lekithos "yolk") is a generic term to designate any group of yellow-brownish fatty substances occurring in animal and plant tissues which are amphiphilic – they attract both water and fatty substances (and so are both hydrophilic and lipophilic), and are used for smoothing food textures, emulsifying ...