The original recipe contained cod liver oil, beechwood creosote, mineral lime, soda, brandy, vitamins, fresh egg yolk and some secret ingredients.
An egg yolk has a high concentration of lecthins- which are commercially important as an emulsifying agent in products such as mayonnaise.
An egg yolk can be used to help the dough rings to stick together.
Damage or motion of the egg yolk protruding, enough to allow air into the turtle's body results in death.
Some people will be allergic to proteins in both the egg white and the egg yolk.
Carrot extracts are used by poultry producers to improve animal skin and alter the colour of egg yolk.
B6 helps prevent dandruff and can be found in cereals, egg yolk and liver.
For instance, lecithin, the common name for phosphatidylcholine, was originally isolated from egg yolk.
