29690 - egg white (efsa foodex2) 29700 - hen egg white (efsa foodex2) The group includes any type of hen egg white, i.e. a liquid formed around the yolk during its passage in the oviduct of hen (Gallus gallus). Its primary natural purpose is to protect the egg yolk and provide additional nutrition for the growth of the embryo, as it is rich in proteins. The part consumed/analysed is by default the whole or a portion of it representing the observed heterogeneity.[https://en.wikipedia.org/wiki/Pasteurized_eggs] and [https://www.google.co.uk/search?tbm=isch&q=liquid egg white product Hen] requires discussion