How can you separate mayonnaise into its individual components?
•Mayonnaise contains emulsifier, which is used to join the two
immiscible ingredients to form a stable, usable emulsion.
•The emulsifier is made from a hydrophilic (water-loving) head
and a hydrophobic (water-hating) tail, which work together to stop
the oil from separating out. In the case of mayonnaise, it's the
egg yolk that does this job.
•Stable emulsions can be found naturally, and may be either
oil-in- water, in which case small oil droplets are dispersed
through water (as in milk), or water-in-oil, in which case small
water droplets are dispersed through oil (as in butter).