No trans fatty acids. 201112. The Ministry of Health issued the General Rules for Nutrition Labeling in prepackaged foods, which is one of the "National Standards for Food Safety". It is mandatory to indicate the trans fatty acid content in the food nutrition table with hydrogenated oil as the ingredient, and the trans fatty acid content in each100g product is less than or equal to 0.3g.. The best series in the world does not use hydrogenated vegetable oil in the production process, and natural oil contains a very small amount of trans fatty acids, which can be ignored.