This product is a national standard microplate method folic acid detection kit developed in accordance with the national standard GB 5009.211-2022 "National Food Safety Standard - Determination of Folic Acid in Foods". It can quantitatively detect the folic acid content in foods such as milk powder, cereals and tubers, legumes, meat and eggs, fruits, vegetables, fungi, algae, and nuts. Relevant citations have been marked with superscripts, and the marked sections can be referenced in the corresponding parts of the national standard.