In order to increase the solubility of pyrroloquinoline quinone disodium salt(PQQ-NA_(2))in water,PQQ-NA_(2)ionic salts formed by PQQ-NA_(2)with amine compounds had been developed.Amine compounds specifically refered ...In order to increase the solubility of pyrroloquinoline quinone disodium salt(PQQ-NA_(2))in water,PQQ-NA_(2)ionic salts formed by PQQ-NA_(2)with amine compounds had been developed.Amine compounds specifically refered to aminomethyl propanol,tromethamine,and matrine.The PQQ-NA_(2)ionic salts solubility test result showed an increase as high as 24-fold compared to dissolving PQQ-NA_(2)alone.The antioxidant test indicated that the ionic salts exhibited significant antioxidant property.Two PQQ-NA_(2)gel formulations were prepared containing the ionic salts,and the stability test and PQQ-NA_(2)content test indicated that the formulations were stable and the loss rate of PQQ was below 10%.展开更多
文摘In order to increase the solubility of pyrroloquinoline quinone disodium salt(PQQ-NA_(2))in water,PQQ-NA_(2)ionic salts formed by PQQ-NA_(2)with amine compounds had been developed.Amine compounds specifically refered to aminomethyl propanol,tromethamine,and matrine.The PQQ-NA_(2)ionic salts solubility test result showed an increase as high as 24-fold compared to dissolving PQQ-NA_(2)alone.The antioxidant test indicated that the ionic salts exhibited significant antioxidant property.Two PQQ-NA_(2)gel formulations were prepared containing the ionic salts,and the stability test and PQQ-NA_(2)content test indicated that the formulations were stable and the loss rate of PQQ was below 10%.