GOV.WALES uses cookies which are essential for the site to work. Non-essential cookies are also used to tailor and improve services. By continuing to use this site, you agree to our use of cookies.
Definition: Un o gyfres o gyfansoddion organig a ddefnyddir i liwio plastigion a thecstiliau. Maent wedi eu gwahardd rhag eu defnyddio mewn bwydydd mewn llawer o wledydd (gan gynnwys y DU).
