[en] Food processing with irradiation improve food quality, extend shelf life, reduce losses, but how make this process acceptable and interesting to food industries? In France the 'Association pour la promotion de l'industrie et de l'agriculture (APRIA)' has achieved qualitative and quantitative studies on the acceptability of food irradiation to french industrialists and consumers. Their views are opposing: the food industries consider the food irradiation as technology ahead of its time. The consumer is frightened by such a process which do not change or change slightly the product. This paper reports the analysis and the content of the french industry speech and the public opinion on food preservation methods notably food irradiation. The factors of food irradiation acceptance are discussed and recommendations are given. 1 fig. (F.M.)