Blue fritters? In addition to the true colors of fried noodles, artificial colors (food additives) should be added to other colors. Adding food additives must be reported to the state food hygiene supervision department for approval, and it can only be operated after passing the examination and obtaining the approval certificate. From the perspective of laws and regulations, if there is no approval from the relevant state supervision, food hygiene and safety may have problems and affect health. It is recommended not to eat. . . The above quoted media reports.