Progress of new chromium chemicals:Organic chromium complexes

Trivalent chromium is an essential trace element for mammals.Recently,various organic chromium compounds have been developed and their biological application has also become a hot topic.The research progress of organic chromium chemicals was reviewed.The characteristics of the ligands in organic chromium complexes were analyzed.The species,characteristics,synthesis methods and applications of organic chromium complexes,including chromium pyridinate,chromium aromatic organic acid,chromium aliphatic acid,chromium amino acid,and other organic chromium complexes were summarized.The development of novel organic chromium products could be an important direction for the deep processing of chromium chemicals.