Macrolides esterase (also known as azithromycinase) is a kind of recombinant enzyme obtained by genetic engineering technology. Through the construction of a highly efficient expression E.coli strain and fermentation, purification, a high purity and high activity product is obtained. It hydrolyzes the macrolide ring of macrolide antibiotics and inactivates erythromycin, roxithromycin, azithromycin and other macrolide antibiotics to lose anti-microbial activity. 

        White or pain white lyophilized powder.

        10 U/bottle

        Activity： ≥10 U/bottle.

        Purity： > 95 % by SDS-PAGE

        Sterility： Negtive

        pH： 6.0~8.0 after dissolved

        One unit is defined as the amount of enzyme required to hydrolyze one microgram of azithromycin per minute at pH 7.5, 37˚C.

        Environmental monitoring of antibiotic manufacturing areas;

        Sterility testing of bulk Antibiotics; 

        Testing sterility of blood cultures; 

        Testing for β-lactam contamination of drugs. 

        Stable at 2~8℃ for more than two years since report.