^ 1.01.1Kim, YW; Kang, HE; Lee, MG; Hwang, SJ; Kim, SC; Lee, CH; Kim, SG. Liquiritigenin, a flavonoid aglycone from licorice, has a choleretic effect and the ability to induce hepatic transporters and phase-II enzymes. American Journal of Physiology. Gastrointestinal and Liver Physiology. 2009, 296 (2): G372–81. PMID 19074639. doi:10.1152/ajpgi.90524.2008.
欧盟:Regulation (EC) No 1333/2008 on food additives(“食品添加剂法规(EC)No 1333/2008”)
美国:Federal Food, Drug, and Cosmetic Act(联邦食品、药品和化妆品法案)•FDA's Limits on Food Additives(食品添加剂用量限制)•Code of Federal Regulations(Title 21)(联邦法规第21编(第170至199节))•公认安全