The E161 group are
Xanthophylls, (from the Greek, Xanthos - yellow) although E161g is more
orange than yellow, and are related to carotene. Extracted using the
solvent hexane they normally contain other source plant material.
is also available in some mushrooms, crustaceans and fish, so vegetarians
beware, but it is normally obtained commercially from beta-carotene.
well as being used in such products as chicken in breadcrumbs, fish
fingers, mallow biscuits, pickles and preserves, sauces and sweets it
is also fed to farmed salmon and trout to enhance the colour of the
flesh. Fed to laying hens to make to colour egg yolks.
is also used to colour the skin in artificial sun-tan products where
its' use has given concern to eyesight problems. In particular a deterioration
in twilight vision, delays in adapting to the dark and sensitivity to
glare. These products use greater quantities than those used in food,
although at present there is no direct correlation, but with the increasing
use of Canthaxanthin as a 'natural' substance in food, there is a real
cause for concern.