The electrochemical behaviors of promethazine at the poly(L-threonine) lead modified electrode were studied.

Taking L-threonine Producing strain TRFC as bacterial strains, the effect of the growth factors and culture conditions on the L-threonine fermentation under high glucose concentration was studied.

This study focused on the preparation conditions of the Lanthanum with L-Threonine, including synthesis, feed ratio, temperature, acidity and time.