This standard specifies the basic requirements, technical requirements, test methods, inspection rules, labeling, packaging, transportation and storage, quality commitment, etc. of the food additive lutein. This standard applies to the food additive lutein, which is made from marigold (Tagetes erecta L.) oleoresin through saponification, extraction and refinement. Molecular formula: C40H56O2 Relative molecular weight: 568.88 (according to 2016 international relative atomic mass) Structural formula: