# The Tryptophan in Food Regulations 1990, Regulation 1: Citation, commencement and interpretation


(1) These Regulations may be cited as the Tryptophan in Food Regulations 1990 and shall come into force on 12th September 1990.
(2) In these Regulations unless the context otherwise requires—
“tryptophan” means dextrorotatory tryptophan, laevorotatory tryptophan, or racemic tryptophan, or any salt or peptide prepared from any of those forms,
and references to adding tryptophan to food —
(a) do not include references to adding food which contains only tryptophan occurring naturally in it to any other such food or to food which contains no tryptophan;
(b) but otherwise include references to adding food to which tryptophan has been added to any other food.

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Source: https://www.legislation.gov.uk/uksi/1990/1728/regulation/1 (the official version)
Page: https://openlegislation.uk/tryptophan-in-food-regulations-1990/regulation-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.