Translate the following English sentence to French:
"This subject, which has given rise to much debate, is a very topical one, given that yesterday two European regulations entered into force which require manufacturers to label "food and food ingredients" containing more than 1% of GMOs, together with "genetically modified additives and flavourings" , although without setting out any threshold value in this case."
Ce thème, qui suscite beaucoup de débats, est d' actualité, puisque hier sont entrés en vigueur deux règlements européens qui imposent aux fabricants d' étiqueter les "aliments et ingrédients alimentaires" contenant plus de 1 % d' OGM ainsi que des "additifs et arômes génétiquement modifiés" sans précision de seuil.